M 4.5 in Mongolia on 22 Feb 2021 23:47 UTC
EQ parameters

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: 4.5M
Depth: 14.62 Km
Lat/Lon: 42.0637 , 105.5756
Event Date: 22 Feb 2021 23:47 UTC
23 Feb 2021 07:47 Local
Exposed Population:
About 13000 people within 100km
Source: NEIC us6000dkad
Inserted at: 23 Feb 2021 00:29 UTC
INFORM Coping capacity of the alert score: 5.1 (Mongolia)
INFORM Coping capacity of the affected contries: Mongolia= 5.1; China= 3.6


For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000dkad Scaled population (vector) 3.77  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1360080 0 22 Feb 2021 23:47 4.5M, 14.62km N/A 10 thousand (in 100km) 00:42 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 Mongolia , Province of Omnogovi (population 48,403) . The nearest places are Hoyor Amt, Ulaan ergi hural, Ehin Dzag Hural, and Wubairha.

Radius Population
100 km 13000 people
75 km 5700 people
50 km 1400 people
20 km <1000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Omnogovi Mongolia 48000 people
Nei Mongol China 23.7 million people

Affected populated places

Name Region Province Country City class Population Distance
Hoyor Amt Nei Mongol China Village - 41 km
Ulaan ergi hural Ömnögovi Mongolia Village - 55 km
Ehin Dzag Hural Ömnögovi Mongolia Village - 69 km
Wubairha Nei Mongol China Village - 69 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.