M 5.2 in Tonga on 06 Sep 2003 13:43 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: 39.8 Km
Lat/Lon: -21.76 , -175.15
Event Date: 06 Sep 2003 13:43 UTC
Exposed Population:
Source: NEIC
Inserted at: 01 Jan 1900 00:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
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
3906 0.5 06 Sep 2003 13:43 5.2M, 39.8km N/A No people affected (in 100km) -13:-43 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 81000 people
50 km 3000 people
20 km no people
10 km no people
5 km no people
2 km no 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.