M 4.9 in Samoa from 25 May 2017 21:10 UTC to 21:10

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: 59.72 Km
Lat/Lon: -15.1027 , -173.1282
Event Date: 25 May 2017 21:10 UTC
25 May 2017 09:10 Local
Exposed Population:
No people within 100km
Source: NEIC us10008ve3
Inserted at: 25 May 2017 21:48 UTC
INFORM Coping capacity of the alert score
1.1 (Samoa)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10008ve3 Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1168948 0 25 May 2017 21:10 4.9M, 59.72km N/A No people affected (in 100km) 00:38 NEIC
1168951 0 25 May 2017 21:10 4.8M, 67.23km N/A No people affected (in 100km) 01:59 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 Samoa , of Samoa (population 159,000) .

Radius Population
100 km no people
75 km no 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
Samoa Samoa 160000 people
American Samoa American Samoa 53000 people
Wallis & Futuna Wallis and Futuna 14000 people
Tonga Tonga 98000 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.