Earth seismic activity map online. Seismically active regions of Russia: where earthquakes are possible

Destructive force earthquake depends on its magnitude (in the hypocenter, i.e. in the source), the depth of the earthquake source and the distance from the epicenter (the point of projection of the center on the earth's surface).

Examples of media reports and explanations of terms:
"According to ***, there, at so much Moscow time, an earthquake occurred magnitude in the source M=4.3 points on the nine-point Richter scale, at a depth of 15 km from sea level.
The epicenter of the earthquake was located 100 kilometers southeast of the city ***. Tremors were felt in the village *** force up to four points, and in the city of *** - three points (on a 12-point scale). According to the latest data, there are no casualties and serious damage. During the week, 4 earthquakes with a magnitude of 2.3 to 4.3 on the Richter scale were recorded in this area, which were also felt in neighboring regions. According to statistics provided by seismologists, the average interval between series of earthquakes of magnitude up to four points in this area is approximately *** years.

Or
"An earthquake with a magnitude, in the source, 4.3 happened there. Its epicenter was a hundred kilometers southeast of the city ***. The depth of the focus is 15 km" from sea level.

Or
A four-point earth happened somewhere today.

Magnitude earthquake (not to be confused with "strength", and leave points alone) - quantitatively characterizes its energy, at the source, on a nine-point Richter scale (0-9). Calculated based on the results of measurements by instruments (seismographs) at the closest seismic stations to the epicenter different countries. An earthquake with a magnitude of 6 or more, with a nearby epicenter and a shallow source, is considered strong and can cause significant damage and cause casualties among the population, especially if buildings and residential structures are not designed for proper seismic resistance or are built by low-skilled guest workers, with gross violations building codes and regulations.

Force earthquake shocks (intensity) - a qualitative (felt, visible) characteristic of the degree of destruction and other manifestations on earth's surface, at a specific point on the surface of the earth. For this, a twelve-point scale (1-12) or a modified Mercalli scale is used. They differ little. The real danger is tremors with a force of four points or more.

Forecast. Before a strong earthquake, in a few minutes or even hours, domestic animals and birds begin to scream and rush about, tend to run away from the house to the street, to hide. Dogs try to lead their owners, children to a safe place. Cats take away kittens. Aquarium fish - worried, trying to jump out of the aquarium water. Rats and mice run out of the basements of houses. Wild animals, in advance - a few hours or days before the earthquake, flocks leave the dangerous area. Snakes and lizards crawl out of their holes (even in winter, and at night and in bad weather), Birds constantly scream, fly in circles for a long time and randomly. Animals and birds lose their appetite, their behavior changes dramatically - they, without attacking each other, move away from danger together.

Those who were born, grew up and lived (under natural conditions) in earthquake-prone areas have the best sensitivity. The skill is retained for a long time. Their reaction is more often selective, only to close (local earthquakes) and dangerous in strength (more than two to four points).

Seismologists and volcanologists use scientific, instrumental methods of forecasting and early warning methods: constant monitoring seismic activity a network of sensitive sensors, regular measurements and detection of increases in the concentration of helium and radon in the surface air and at depth, etc.

The dependence of the intensity of the earth from distance to epicenter. From nearby earthquake epicenters great strength(if it hits a "seven" magnitude or higher) - very sharp shocks and shocks are felt, intense shaking, glows, sparks are visible, an underground rumble, crackling and roar of collapsing buildings and falling, broken trees are heard, there is a sharp increase in wind. At distances of hundreds of kilometers, from the epicenter, the echoes of an earthquake reach - low-frequency, relatively slow oscillations, undulating swaying of the daytime surface of the earth. The farther - the less their vertical amplitude and longer period(up to a minute or more, with a distance to the epicenter of several thousand kilometers), with the exception of anomalously intense and resonant manifestations at certain distances from the epicenter and along large, deep tectonic faults.

Influence of tidal (gravitational) effects. Seismicity increases - on the new moon and, especially, on the full moon, as well as when the Moon is in perigee (closer to the Earth). There is also a seasonal dependence: in autumn and, especially, in winter, it shakes harder and more often than in spring and summer.

Geological factor. The greatest destruction from the earthquake - at the rocky outcrops rocks and if they are covered with loose deposits of small thickness, which are thrown up on their base. Safer soil conditions are territories with thick strata of loose forges. rocks in which the seismic wave weakens, is extinguished until it reaches the earth's surface.

Tsunami occur when the epicenter of the earth is near sea ​​coast. Water, at the first impact, first leaves the shore, and then, accelerating, in the form big wave crashes on the coast. The brightness of the glow of marine organisms also rises sharply two or three minutes before the tsunami.

The seismic activity map is updated every 20 minutes.

To see closer area and points, click on the source of the earthquake with the cursor, you will be taken to an enlarged area of ​​the map

Automatic GEOFON Global Seismic Moniton Map

red - last 24 hours
orange - last 1-4 days
yellow - last 4-14 days

Earthquakes in the last 30 days with a magnitude of 4 or more

EMSC+Google Map

Earthquakes in the World

red - last 24 hours
orange - from 24 to 48 hours
yellow - for the last 3-17 days
purple- from 2 weeks to 5 years

Seismic of the Atlantic Ocean

Pacific Ocean. Far East. Kuriles. Fault lines of the Pacific Ridge

Russia and Central Asia

Europe

Indonesian region

EMSC

Table data for the selected period:
http://www.emsc-csem.org/index.php?page=current&sub=list

Live Earthquake Mashup

Excellent map, direct analogue of Google planet with attached KML files
http://www.oe-files.de/gmaps/eqmashup.html

Earthquakes Canada

Map of seismic activity in Canada. All earthquakes in the last 30 days.

To view the area and scores, click on the source of the earthquake with the cursor, you will be taken to the information of the map area

The updated list of earthquakes is online.

Geophysical Service RAS


Shows the last 15 earthquakes

Map of tectonic plates of the world


Scientists have compiled a map of the largest tectonic plates:

  • Australian;
  • Arabian subcontinent;
  • Antarctic;
  • African;
  • Hindustan;
  • Eurasian;
  • Nazca plate;
  • Cooker Coconut;
  • Pacific;
  • North and South American platforms;
  • Scotia plate;
  • Philippine plate.

From theory, we know that hard shell Earth (lithosphere) consists not only of the plates that form the relief of the surface of the planet, but also of the deep part - the mantle. Continental platforms have a thickness of 35 km (on flat territories) up to 70 km (in the zone of mountain ranges). Scientists have proven that the plate in the Himalayas has the greatest thickness. Here the thickness of the platform reaches 90 km. The thinnest lithosphere is found in the ocean zone. Its thickness does not exceed 10 km, and in some areas this figure is 5 km. Based on information about the depth at which the epicenter of the earthquake is located and what is the propagation speed seismic waves, calculations of the thickness of sections of the earth's crust are made.

Map of faults and seismically dangerous places

The map shows the places of seismically dangerous zones. The zones are highlighted in color from green to red. The closer the color is to red, the more likely strong and destructive earthquakes. The map was created on the data of earthquakes that have occurred since 1973.
Nuclear power plants are marked on the map. Finding nuclear power plant seismically danger zone increases the danger to the population.

Hazard grade. Turn on, turn off

Seismic activity scale. Richter scale. Earthquake by type of activity.

Mercalli scale Richter scale Visible action

1

0 -4.3

Vibration from an earthquake is recorded only by instruments

2

Earthquake vibrations are felt when standing on stairs

3

Earthquake shocks are felt indoors, light vibrations of objects

4

4.3-4.8

The clinking of dishes, the swaying of trees, the tremors of an earthquake are felt in parked cars.

5

The creaking of doors, the awakening of the sleeping, the transfusion of liquid from the vessels

6

4.8-6.2

During an earthquake, unsteady walking of people, damage to windows, falling pictures from the walls

7

It is difficult to stand, the tiles on the houses are crumbling, from the earthquake big bells are ringing

8

6.2-7.3

Chimney damage, damage sewer networks with this earthquake

9

General panic from the earthquake, damage to foundations

10

Most buildings damaged*, major landslides, rivers bursting their banks

11

7.3-8.9

Bent railway tracks, road damage, large cracks in the ground, falling rocks

12

Complete destruction, waves on the surface of the earth, changes in the course of rivers, poor visibility
* Specially designed buildings with earthquake protection are able to withstand shocks up to 8.5 on the Richter scale

The amount of energy released during an earthquake

The strength of the earthquake on the Richter scale The amount of energy in an earthquake (equivalent to trinitrotoluene), t
4 6
5 199
6 6270
7 199’000
8 6’270’000
9 99’000’000

Map of earthquakes in Europe for the last 24 hours

Seismic activity on the planet over the past day

Seismic activity on the planet over the past week

| >>> Seismomonitor (overlaid on the map) | >>> USGS Seismomonitor (mapped) | >>>Seismomonitor (clickable map) | >>>Seismic monitor EUROPE |

Earthquake map according to Google service

Seismic activity map online, updated every 20 minutes. In addition, you can always find out whether there was an earthquake today or not. This allows you to more visually evaluate the information provided.

Seismic activity map of the EMSC service and Google Map

The map of seismic activity of the world allows you to select a section of the earth's surface by pressing the mouse button. In this case, the selected area will be displayed separately in the window, on which earthquake epicenters are indicated in detail. The online seismic monitor allows you to get comprehensive data when choosing any of the sources. The table shows the coordinates of the epicenters and the power of tremors, ranging from 24 hours to 30 days. Also, on the map of the region, seismic fixation stations located in the selected area are displayed.

Earthquake map from quakes.globalincidentmap.com

Earthquake map from emsc-csem.org

Behavior before, during and after an earthquake

The vast majority of earthquakes have a duration of about one, rarely more than one minute. However, the intensity of oscillations during this time is not the same. As a rule, an earthquake begins with relatively weak vibrations (sometimes imperceptible), which last 10-20 seconds, then the main phase of the earthquake begins, during which the vibrations reach greatest intensity followed by a gradual decline.

Qualitatively erected and well-maintained buildings that do not have special anti-seismic measures are able to withstand earthquakes of up to 6 points without much damage. Buildings that are in an unsatisfactory technical condition and dilapidated, under the threat of strong earthquakes, are doubly dangerous.

Before the earthquake

Inside the house, securely attach cabinets, shelves, and furniture walls to the walls and floor. Furniture, standing and hanging objects in living quarters are placed so that if they fall, sleeping people are not injured and passages and exits from the apartment remain free. All heavy objects should be moved to the lower shelves and places. Shelves with utensils must be closed. Fix chandeliers and overhead lights securely, do not use glass lampshades.

Do not clutter up the aisles and exits from rooms and apartments with things. Flammable, caustic, poisonous liquids and powders must be securely sealed, closed in strong, fixed containers and boxes.

All family members should be well aware of the most without dangerous places residential premises: in the openings of the internal main walls near these walls, at the supporting columns and under the frame beams, in the corners of the internal main walls and under solid furniture (tables, beds). And dangerous places too: near large glazed openings and partitions, corner rooms of buildings, especially the last floors.

During an earthquake

Don't panic! Quickly focus on the implementation of previously thought out actions, but be ready to act according to circumstances.

In the house/apartment:

If you are in a low, up to 2-3 floors building, then it is better to leave it quickly. This is especially true if the building is not earthquake resistant. Run out quickly, but carefully, beware of falling objects, broken wires and other sources of danger, and immediately move away from the building, away from the open area.

When on the upper floors of a multi-story building, do not rush to the stairs and elevators. Most likely, they will be overcrowded with people, and the elevators are disabled. Therefore, it is better to stay in the building and, having previously opened the front door, which may later be jammed from distortions, quickly take the safest place in the room: under solid furniture, at the support column closest to the center of the building, in the doorway of the main walls, in the corner rooms. And always away from windows, heavy objects and equipment that could tip over. Help the disabled and the elderly.

Do not enter buildings or run around them. Once next to a tall building, stand in the doorway, this will protect you from falling pieces of glass, balconies, cornices and parapets. It's best to be on open space away from buildings and power lines.

In transport

Any transport must be calmly and quickly stopped, as far as possible from tall buildings, overpasses, bridges, power lines or anything that can collapse from strong shocks. Drivers of buses and trams, having stopped the transport, must open all the doors.

After the earthquake

While in the building, remain calm, assess the situation. Examine yourself and those around you, if necessary, provide medical care needy. Wear sturdy shoes to protect your feet from splinters and debris. Going down the stairs, check the reliability of its structures.

Check for a fire hazard. The resulting flame must be extinguished immediately. If you notice damage to the wiring, turn off the power, if it has not already been done.

According to the materials of the State Committee of the Republic of Buryatia
on business civil defense and emergencies



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An interactive map of active (active) volcanoes allows you to see the degree volcanic activity, danger of eruptions, and the probability of eruptions online. The map is designed to help travelers and researchers who are going to visit a particular region of the world. Plan your expeditions taking into account existing threats and disasters.

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All dormant, awakening and active volcanoes are divided on the map into 4 categories of threats:

1. green triangle- there are no threats.
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4. red triangle- an eruption with the release of ash, gases, magma.

Active volcano - news on the map

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How to survive a volcanic eruption

(Detailed article in our section "Survival" > "Surviving in different disasters" > "How to survive natural disasters" > in the article.

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Because of earthquakes Anchorage airport temporarily stopped working, roads were damaged. US President Donald Trump declared a state of emergency in Alaska after earthquakes... affected by earthquakes state. Earlier, Trump tweeted that the US authorities will "spare no expense" to provide assistance local residents. Earthquake happened... Police report aftermath of earthquake largest city Alaska ... -behind earthquakes magnitude 7, recorded on November 30, many administrative buildings and residential buildings. According to them, earthquake led ... about whether led earthquake to the victims. Alaska Governor Bill Walker has declared a state of emergency. "After a strong earthquakes i declared the mode emergency... social networks published videos taken during and after earthquakes. According to CNN, earthquake happened at 8:30 local time (20:30 ... Iran earthquake death toll rises to 640 On the western border Iran with Iraq happened earthquake magnitude 6.3. 646 people were injured, most of them escaped ..., there in this moment rubble is being cleared. It is noted that after earthquakes there were two more aftershocks of magnitude 5.2 and 4.6 ... 420 injured in Iran earthquake ... the Iranian province of Kermanshah as a result earthquakes 420 people were injured. This is reported by Tansim agency. It is noted that earthquake happened at 20:07 to... after earthquakes There were four aftershocks. Two of them were magnitude 4.0 and the other two were magnitude 5.2 and 4.1. Previously earthquake happened in the Caribbean, off the coast of Nicaragua. Its magnitude was 6.0. At the end of September, on the Indonesian island of Sulawesi, a earthquake ... Magnitude 6 earthquake hits off coast of Nicaragua In the Caribbean, off the coast of Nicaragua, earthquake magnitude 6. This is reported by the US Geological Survey. The epicenter was ... tsunami monitoring announced the absence of a threat of this phenomenon. Last time earthquake comparable power occurred in Chile in early November. Then his... An earthquake of magnitude 5.7 hit Kamchatka Recorded in Kamchatka earthquake magnitude 5.7, according to the Ministry of Emergency Situations in the region. Epicenter earthquakes was located south of the Ust-Kamchatsky region at a depth of 77 ... did not contact earthquake and was not called a tsunami. The storm wave warning is valid until November 16. AT last time earthquake off the coast... 6.8 magnitude earthquake hits off the coast of Greenland and Iceland strong earthquake magnitude 6.8 occurred in the Northern Arctic Ocean close to... center (EMSC) and the United States Geological Survey​ (USGS). According to USGS, earthquake happened 119 km northwest of Norway ... a depth of 10 km. EMSC gives the same data, specifying that earthquake happened 941 km from the capital of Iceland. About destruction and... An earthquake of magnitude 5.9 occurred near the South Kuriles Earthquake magnitude 5.9 occurred in the Sea of ​​Okhotsk near the Kuril Islands. ... the island of Hokkaido. It is noted that it was located at a depth of 10 km. Earthquake happened on November 5 at 06:26 Sakhalin time (22 ... ”in the Sakhalin branch of the unified geophysical service of the Russian Academy of Sciences reported that the epicenter earthquakes was located 57 km northwest of the city of Yuzhno... Society, 02 Nov 2018, 02:29 earthquakes of magnitude 5.4 and 4.1, according to the website of the main ... . " Earthquake felt by the inhabitants of the city of Yuzhno-Kurilsk. According to the information collected, the sensitivity of the seismic event was up to 3 points," the Ministry of Emergency Situations said. Second earthquake registered... An earthquake in Greece triggered a tsunami in the Mediterranean A violent event took place off the coast of Greece earthquake. The European Mediterranean Seismological Center (EMSC) has issued a tsunami warning. Earthquake magnitude 7.0 was recorded... nearby regions do not come close to the sea. It is indicated that after earthquakes followed by several aftershocks, which were felt not only in Greece ... Magnitude 6 earthquake strikes off Taiwan coast Off the coast of Hualien County in eastern Taiwan earthquake magnitude 6. This is evidenced by the data of the seismological service of the island. Seismologists... damage not received. October 21 in Taiwan was recorded earthquake magnitude 4.4. Tremors were felt by residents of Hualien, Nantou counties...

Every day different parts of our planet are shaken. tremors. An earthquake is one of natural Disasters that cannot be prevented by humans.

The only thing he can oppose to the indomitable forces of nature is the achievements of science in the field of forecasting. Systematization and monitoring of seismic activity allows timely avoidance human casualties and destruction, as well as designate areas of greatest seismic activity.

Accounting for earthquake sources

Earth seismic activity map is physical map planet, which displays areas where certain period earthquakes greater than 4 on the Richter scale. The map uses the following conventions: The diameter of the area is proportional to the strength of the tremors, and the color of the circle indicates the time interval. For example, red areas correspond to earthquakes occurring on the current date or in real time.

Seismic monitor, updated every 20 minutes


red circles - earthquakes in the last 24 hours
orange circles - earthquakes in the last 1-4 days
yellow circles - earthquakes in the last 4-14 days

EMSC and Google Map data

The map of seismic activity of the world allows you to select a section of the earth's surface by pressing the mouse button. In this case, the selected area will be displayed separately in the window, on which earthquake epicenters are indicated in detail. The online seismic monitor allows you to get comprehensive data when choosing any of the sources. The table shows the coordinates of the epicenters and the power of tremors, ranging from 24 hours to 30 days. Also, on the map of the region, seismic fixation stations located in the selected area are displayed.

List of earthquakes

To return to the beginning of the document, press Backspace or Back to the earthquake list

Seismic activity map online, updated every 20 minutes. In addition, you can always find out whether there was an earthquake today or not. This allows you to more visually evaluate the information provided.

Earthquake map according to Google service

Earth seismic activity

The images below are from IRIS, a non-profit organization founded in 1984 with support from the National Science Foundation and a consortium of more than 100 US universities dedicated to the study, organization and distribution of seismological data. IRIS programs are aimed at Scientific research, education, reduction of consequences of earthquakes.

On the data below, the time is UTC (Universal Coordinated Time), to convert to Moscow, add 4 hours.

Seismic activity scale. Richter scale. Earthquake by type of activity.

Mercalli scale Richter scale Visible action

1

0 -4.3

Vibration from an earthquake is recorded only by instruments

2

Earthquake vibrations are felt when standing on stairs

3

Earthquake shocks are felt indoors, light vibrations of objects

4

4.3-4.8

The clinking of dishes, the swaying of trees, the tremors of an earthquake are felt in parked cars.

5

The creaking of doors, the awakening of the sleeping, the transfusion of liquid from the vessels

6

4.8-6.2

During an earthquake, unsteady walking of people, damage to windows, falling pictures from the walls

7

It is difficult to stand, the tiles on the houses are crumbling, large bells are ringing from the earthquake

8

6.2-7.3

Damage to chimneys, damage to sewer networks during such an earthquake

9

General panic from the earthquake, damage to foundations

10

Most buildings damaged*, major landslides, rivers bursting their banks

11

7.3-8.9

Bent railway tracks, road damage, large cracks in the ground, falling rocks

12

Complete destruction, waves on the surface of the earth, changes in the course of rivers, poor visibility
* Specially designed buildings with earthquake protection are able to withstand shocks up to 8.5 on the Richter scale

Current seismic of the Atlantic Ocean


This map shows Pacific Ocean, as well as eastern regions Russia - Far East and the Kuriles. The fault line of the Pacific ridge is clearly visible.


Seismic activity in Russia and Central Asia


Map of seismic activity in Russia and Europe