M 4.9 in India on 04 May 2021 22:31 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: 4.9M
Depth: 10 Km
Lat/Lon: 8.6972 , 94.1794
Event Date: 04 May 2021 22:31 UTC
05 May 2021 04:31 Local
Exposed Population:
About 2000 people within 100km
Source: NEIC us7000e06d
Inserted at: 04 May 2021 23:07 UTC
INFORM Coping capacity of the alert score
4.6 (India)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000e06d Scaled population (vector) 2.39  
  C1 earthquake 0.74  
  C2 earthquake -0.08  
  Country Vulnerability -0.39  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1373602 0 04 May 2021 22:31 4.9M, 10km N/A 2 thousand (in 100km) 00:35 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 India , Union Territory of Andaman and Nicobar Islands (population 295,612) .

Radius Population
100 km 2400 people
75 km <1000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Andaman and Nicobar Islands India 300000 people
Aceh Indonesia 4.3 million people
Phangnga Thailand 220000 people
Tenasserim Myanmar 1.2 million people
Phuket Thailand 170000 people
Ranong Thailand 120000 people
Surat Thani Thailand 790000 people
Krabi Thailand 290000 people

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.