M 5.5 in Russia on 21 Sep 2020 18:04 UTC
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 5.5M
Depth: 10 Km
Lat/Lon: 51.8548 , 103.4493
Event Date: 21 Sep 2020 18:04 UTC
22 Sep 2020 02:04 Local
Exposed Population: About 1000 people in MMI
1070000 people within 100km
Source: NEIC us6000bzek
Inserted at: 21 Sep 2020 18:30 UTC
INFORM Coping capacity of the alert score: 4.6 (Russia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us6000bzek Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1333930 0 21 Sep 2020 18:04 5.5M, 10km 6.72 N/A (in MMI>=VII) 00:25 NEIC
1334065 0 21 Sep 2020 18:04 5.6M, 10km 6.8 N/A (in MMI>=VII) 1d 00:05 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Russian Federation ,of Irkutskaya oblast'. The alertlevel for this event is GREEN

Intensity Population
2100 people
21000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1333930 51.855/103.449 5.5 10.0 6.682 21 Sep 2020 18:30 00:25 (new episode)
2 0 1333930 51.855/103.449 5.5 10.0 6.78 21 Sep 2020 20:13 02:08 (upd of #1)
3 0 1333930 51.852/103.485 5.5 10.0 6.724 22 Sep 2020 14:07 20:02 (upd of #2)
4 0 1334065 51.852/103.485 5.6 10.0 6.793 22 Sep 2020 14:56 20:51 (new episode)
5 0 1334065 51.852/103.485 5.6 10.0 6.801 22 Sep 2020 18:10 1d 00:05 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
Irkutskaya oblast' Russian Federation 1200 people
Irkutskaya oblast' Russian Federation 14000 people
Respublika Buryatiya Russian Federation 2200 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Bystraya Irkutskaya Russia Village - 14 km
Tibelti Buryatiya Russia Village - 18 km
Kultuk Irkutskaya Russia City 4100 people 20 km
Bol'sheglubokaya Irkutskaya Russia Village - 25 km
Tory Buryatiya Russia Village - 34 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.