M 7.9 in Nepal on 25 Apr 2015 06:11 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 7.9M
Depth: 15 Km
Lat/Lon: 28.1306 , 84.6493
Event Date: 25 Apr 2015 06:11 UTC
25 Apr 2015 11:56 Local
Exposed Population: 6667822 people within 100km
Source: NEIC us20002926
Inserted at: 25 Apr 2015 07:05 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 3.2 3.2
us20002926 Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1077580 2.7 25 Apr 2015 06:11 7.4M, 10km N/A 6.1 million (in 100km) 00:07 GEOFON
1077582 2.8 25 Apr 2015 06:11 7.5M, 11.87km N/A 6.4 million (in 100km) 00:19 NEIC
1077591 3.2 25 Apr 2015 06:11 7.9M, 15km 7.6 6.7 million (in 100km) 00:53 NEIC
1077645 3.1 25 Apr 2015 06:11 7.8M, 15km 7.72 11.8 million (in MMI>=VII) 04:00 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 Nepal , Zone of Gandaki (population 1,364,467) . The nearest places are Kathmandu, and Jiwadanda.

Radius Population
100 km 6.7 million people
75 km 3.1 million people
50 km 1.2 million people
20 km 300000 people
10 km 70000 people
5 km 22000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Gandaki Nepal 1.4 million people
Bagmati Nepal 2.4 million people

Affected populated places

Name Region Province Country City class Population Distance
Jiwadanda Gandaki Nepal Village - 3 km
Kathmandu Bagmati Nepal Capital 780000 people 81 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
Gorkha GKH 457 Civ. Unpaved No 3600 21 km
Bharatpur BHR 183 Civ. Unpaved No 3800 55 km

Dams

Reservoir Dam Name River Year Distance
Kulekhani Kulekhani 1982 78 km

More information

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