M 6.8 Off-shore on 05 Apr 2024 11:03 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: 6.8M
Depth: 233.4 Km
Event Date: 05 Apr 2024 11:03 UTC
05 Apr 2024 21:03 Local
Exposed Population:
Source: NEIC us7000ma2w
Inserted at: 05 Apr 2024 11:19 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
us7000ma2w 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.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1563228 0 05 Apr 2024 11:03 6.7M, 211.8km N/A No people affected (in 100km) 0m (at 00:00) 00:09 PTWC
1563229 0 05 Apr 2024 11:03 6.7M, 212km N/A No people affected (in 100km) 0m (at 00:00) 00:12 NTWC
1563230 0 05 Apr 2024 11:03 6.8M, 233.4km 4.48 N/A (in MMI>=VII) 0m (at 00:00) 00:15 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: ""M 6.8, Maug Islands region, Northern Mariana Islands""

Fault parameters

  • Latitude: 19.088
  • Longitude: 145.355
  • Length: 39 km
  • Width: 11 km
  • Magnitude: 6.8 M

Okada parameters:

  • Slip: 1 m
  • Strike: 164 (geogr angle: north=0, south=180)
  • Dip: 25 degree
  • Rake: 90 degree
  • Depth: 233 km

Calculation parameters

  • Calculation space (lon/lat): 142.355, 16.088, 148.355, 22.088
  • Instead of Step -> use Cell size:.5 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.