M 5.1 in Nepal on 27 Apr 2015 12:35 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: 5.1M
Depth: 29.42 Km
Lat/Lon: 26.827 , 88.1055
Event Date: 27 Apr 2015 12:35 UTC
Exposed Population: 15025640 people within 100km
Source: NEIC
Inserted at: 27 Apr 2015 13:57 UTC


For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.6 0.6
Scaled population 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
1077937 0 27 Apr 2015 12:35 5.1M, 67.11km N/A No people affected 00:21 NEIC
1077944 0.6 27 Apr 2015 12:35 5.1M, 29.42km N/A 15 million 01:21 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
* 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 Mechi (population 1,205,060) . The nearest places are Saidpur, and Mirik.

Radius Population
100 km 15 million people
75 km 8.5 million people
50 km 3.9 million people
20 km 450000 people
10 km 38000 people
5 km 1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Mechi Nepal 1.2 million people
West Bengal India 58.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Mirik West Bengal India Village6 9900 people 10 km
Saidpur Rajshahi Bangladesh Major city 3.3 million people 140 km

see full list

Critical infrastructure

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


Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Baghdogra IXB 126 Mil. Paved No 9000 27 km
Chandragadhi 91 Civ. Unpaved No 5000 28 km


Reservoir Dam Name River Year Distance
Gazaldova Teesta -99 49 km

More information

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