M 5.1 in China on 25 Apr 2015 20:01 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: 5.1M
Depth: 23.46 Km
Lat/Lon: 23.9631 , 122.4993
Event Date: 25 Apr 2015 20:01 UTC
26 Apr 2015 04:01 Local
Exposed Population:
282785 people within 100km
Source: NEIC
Inserted at: 25 Apr 2015 20:35 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0.1
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
1077720 0.1 25 Apr 2015 20:01 5.1M, 23.46km N/A 280 thousand (in 100km) 00:33 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 , Province of Taiwan (population 22,456,987) . The nearest places are and Hua-lien.

Radius Population
100 km 280000 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
Taiwan China 22.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Hua-lien Hua-lien Taiwan Major city - 92 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
Yonaguni OGN 21 Civ. Paved Yes 4900 74 km
Hualien HUN 16 Civ. Paved Yes 9000 90 km

Ports

Name LOCODE Country Distance
Hualien TWHUN Taiwan 89 km
Suao TWSUO Taiwan 96 km

More information

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