M 6.3 Off-shore on 02 Apr 2025 00:29 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: 6.3M
Depth: 10 Km
Event Date: 02 Apr 2025 00:29 UTC
01 Apr 2025 15:29 Local
Exposed Population:
Source: NEIC us7000ppd9
Inserted at: 02 Apr 2025 01:16 UTC
INFORM Coping capacity of the alert score:
1.1 ()

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us7000ppd9 Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap 0 Max wave realtime 0m  
  C2 shakemap 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.
Click on images to zoom it.

Episode Timeline

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1631560 0 02 Apr 2025 00:29 6.4M, 10km 6.96 N/A (in MMI>=VII) 0m (at 00:00) 00:24 NEIC
1631562 0 02 Apr 2025 00:29 6.3M, 10km 6.9 N/A (in MMI>=VII) 0m (at 00:00) 00:47 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

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

See full locations list (RSS)


Initial conditions

Title: ""M 6.3, Pacific-Antarctic Ridge""

Fault parameters

  • Latitude: -56.939
  • Longitude: -142.224
  • Length: 22 km
  • Width: 6 km
  • Magnitude: 6.3 M

Okada parameters:

  • Slip: .6 m
  • Strike: 180 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -143.724, -58.439, -140.724, -55.439
  • 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.