M 6.2 in Indonesia on 24 May 2023 15:49 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: 6.2M
Depth: 166.459 Km
Event Date: 24 May 2023 15:49 UTC
25 May 2023 00:49 Local
Exposed Population: 6 thousand in MMI IV
Source: NEIC us7000k3h5
Inserted at: 24 May 2023 16:09 UTC
INFORM Coping capacity of the alert score:
1.1 (Indonesia)


For more info on GDACS alert score click here.
Tsunami GDACS score
NEIC 0 0 0
us7000k3h5 Scaled population (vector) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1507443 0 24 May 2023 15:49 6.2M, 166.459km 4.23 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.

Tsunami affected locations

Alert Date (UTC) Name Country Wave height (m)

See full locations list (RSS)

Initial conditions

Title: ""Banda Sea""

Fault parameters

  • Latitude: -6.983
  • Longitude: 129.529
  • Length: 19 km
  • Width: 5 km
  • Magnitude: 6.2 M

Okada parameters:

  • Slip: .6 m
  • Strike: 257 (geogr angle: north=0, south=180)
  • Dip: 12 degree
  • Rake: 90 degree
  • Depth: 166 km

Calculation parameters

  • Calculation space (lon/lat): 128.029, -8.483, 131.029, -5.483
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

For a full list of available products related to this event, please refer to the GDACS Resources page.