M 5.2 in Tonga Islands on 10 Feb 2017 07:18 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: 5.2M
Depth: 38.54 Km
Lat/Lon: -21.1055 , -175.1961
Event Date: 10 Feb 2017 07:18 UTC
10 Feb 2017 20:18 Local
Exposed Population:
About 82000 people within 100km
Source: NEIC us20008iul
Inserted at: 10 Feb 2017 07:39 UTC
INFORM Coping capacity of the alert score
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us20008iul 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
1156924 0 10 Feb 2017 07:18 5.2M, 38.54km N/A 80 thousand (in 100km) 00:20 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 off shore.

Radius Population
100 km 83000 people
75 km 83000 people
50 km 83000 people
20 km 78000 people
10 km 54000 people
5 km 39000 people
2 km <1000 people

Affected Provinces

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.