M 6.7 in Samoa Islands Region on 04 Dec 2022 19:24 UTC

Hazard models

Rapid Impact
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: 6.7M
Depth: 35.999 Km
Lat/Lon: -15.3983 , -172.968
Event Date: 04 Dec 2022 19:24 UTC
04 Dec 2022 07:24 Local
Exposed Population: 1 thousand in MMI&>=IV
Source: NEIC us6000j6w8
Inserted at: 04 Dec 2022 19:43 UTC
INFORM Coping capacity of the alert score: 1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 Tsunami GDACS score
NEIC 0 0 0
us6000j6w8 Scaled population (raster) 0 Max wave alert 0m  
  C1 rapid impact 0 Max wave realtime 0m  
  C2 rapid impact 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1476910 0 04 Dec 2022 19:24 6.9M, 33km 4.63 N/A (in MMI>=VII) 0.2m (at 00:17) 00:08 PTWC
1476912 0 04 Dec 2022 19:24 6.9M, 148km 4.72 N/A (in MMI>=VII) 0m (at 00:00) 00:13 NTWC
1476914 0 04 Dec 2022 19:24 6.7M, 35.999km 4.66 N/A (in MMI>=VII) 0m (at 00:00) 00:19 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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
<1000 people

Affected Provinces

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Falehau Tonga Village - 102 km

see full list

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.