M 6 in India on 28 Apr 2021 02:21 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 6.0M
Depth: 34 Km
Lat/Lon: 26.7824 , 92.4358
Event Date: 28 Apr 2021 02:21 UTC
28 Apr 2021 07:51 Local
Exposed Population: 500000 people in MMI
10410000 people within 100km
Source: NEIC us7000dy3b
Inserted at: 28 Apr 2021 02:53 UTC
INFORM Coping capacity of the alert score
4.6 (India)
INFORM Coping capacity of the affected contries: Bhutan= 4.6; India= 4.6

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 1.1 1.1
us7000dy3b Scaled population (vector) 4.7  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1372483 0 28 Apr 2021 02:21 6M, 28.93km 5.88 N/A (in MMI>=VII) 00:19 NEIC
1372484 1.1 28 Apr 2021 02:21 6M, 34km 6.7 500 thousand (in MMI>=VII) 00:31 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 , State of Assam (population 23,612,650) . The nearest places are Dhekiajuli, Orang, Digbaljuli, Majbat, Bansbera, Barchola, Singri, Doimara, Gabharu, Rangapara North, and Lengteng.

Radius Population
100 km 10.4 million people
75 km 6.7 million people
50 km 2.6 million people
20 km 570000 people
10 km 130000 people
5 km 22000 people
2 km 3000 people

Affected Provinces

Region Province Country Population
Assam India 23.6 million people
Arunachal Pradesh India 910000 people

Affected populated places

Name Region Province Country City class Population Distance
Dhekiajuli Assam India Village 21000 people 11 km
Orang Assam India Village - 14 km
Digbaljuli Assam India Village - 14 km
Majbat Assam India Village - 14 km
Bansbera Assam India Village - 16 km
Barchola Assam India Village - 21 km
Singri Assam India Village - 22 km
Doimara Arunachal Pradesh India Village - 23 km
Gabharu Assam India Village - 24 km
Rangapara North Assam India Village - 30 km
Udalguri Assam India Village 16000 people 31 km
Amatulla Arunachal Pradesh India Village - 34 km
Bhalukpung Arunachal Pradesh India Village - 34 km
Dalgaon Assam India Village - 35 km
Dhing Assam India Village 21000 people 38 km
Lahorighat Assam India Village - 40 km
Tezpur Assam India Village 58000 people 41 km
Shergaon Arunachal Pradesh India Village - 41 km
Kharupatia Assam India Village - 41 km
Kobirali Assam India Village - 45 km
Laokhoa Assam India Village - 46 km
Major Chuk Assam India Village - 47 km
Kalaktang Arunachal Pradesh India Village - 48 km
Khoirabari Assam India Village - 49 km
Paneri Assam India Village - 52 km
Banmurigaon Assam India Village - 52 km
Silghat Assam India Village - 53 km
Itakhola Assam India Village - 53 km
Bomdila Arunachal Pradesh India Village - 53 km
Diptsang Samdrup-Jongkhar Bhutan Village - 54 km
Phutang Arunachal Pradesh India Village - 54 km
Nowgong Assam India City - 54 km
Maugaldai Assam India Village - 56 km
Kakamari Assam India Village - 57 km
Sachida Arunachal Pradesh India Village - 57 km
Chutia Assam India Village - 61 km
Pyudung Arunachal Pradesh India Village - 63 km
Bumdirla Arunachal Pradesh India Village - 63 km
Dirang Arunachal Pradesh India Village - 63 km
Karangania Arunachal Pradesh India Village - 65 km
Simanagaon Assam India Village - 65 km
Chapanalla Assam India Village - 66 km
Amguri Assam India Village - 67 km
Atharikhat Assam India Village - 68 km
Lagam Arunachal Pradesh India Village - 69 km
Pakariamukh Assam India Village - 69 km
Dijungania Arunachal Pradesh India Village - 69 km
Lengteng Assam India Village - 70 km

see full list

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Tezpur 73 0 36 km

More information

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