M 6.3 in Indonesia on 23 Feb 2023 20:02 UTC

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: 6.3M
Depth: 97.145 Km
Lat/Lon: 3.3237 , 128.1497
Event Date: 23 Feb 2023 20:02 UTC
24 Feb 2023 05:02 Local
Exposed Population: 2 thousand in MMI V
Source: NEIC us6000jr32
Inserted at: 23 Feb 2023 20:20 UTC
INFORM Coping capacity of the alert score: 1.1 (Indonesia)


For more info on GDACS alert score click here.
(Rapid Impact)
Tsunami GDACS score
NEIC 0 0 0
us6000jr32 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
1491743 0 23 Feb 2023 20:02 6.3M, 97.145km 4.72 N/A (in MMI>=VII) 0m (at 00:00) 00:17 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 Indonesia ,of Maluku (population 4,599) . The alertlevel for this event is GREEN

Intensity Population
2400 people

Affected Provinces

Intensity Region Province Country Population
Maluku Indonesia 4600 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Itji Sopi Maluku Utara Indonesia Village - 90 km
Sopi Maluku Utara Indonesia Village - 93 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.