M 4.7 in China on 31 Jul 2020 11:20 UTC

Hazard models

EQ parameters
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: 4.7M
Depth: 10 Km
Lat/Lon: 33.0762 , 86.7484
Event Date: 31 Jul 2020 11:20 UTC
31 Jul 2020 19:20 Local
Exposed Population:
About 4000 people within 100km
Source: NEIC us6000b7e2
Inserted at: 31 Jul 2020 11:56 UTC
INFORM Coping capacity of the alert score
3.6 (China)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000b7e2 Scaled population (vector) 3.74  
  C1 earthquake 1.39  
  C2 earthquake -0.24  
  Country Vulnerability 0.26  
  INFORM_normalised 0.82  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1324202 0 31 Jul 2020 11:20 4.7M, 10km N/A 5 thousand (in 100km) 00:36 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 China , Autonomous Region of Xizang (population 2,433,427) . The nearest places are Rongma, and Ngoqumaima.

Radius Population
100 km 4900 people
75 km 2500 people
50 km 1100 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Xizang China 2.4 million people

Affected populated places

Name Region Province Country City class Population Distance
Rongma Xizang (Tibet) China Village - 19 km
Ngoqumaima Xizang (Tibet) China Village - 64 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.