M 6.3 in Philippines on 12 Sep 2023 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: 6.3M
Depth: 41.3 Km
Event Date: 12 Sep 2023 11:03 UTC
12 Sep 2023 19:03 Local
Exposed Population: 8 thousand in MMI&>=V
Source: NEIC us7000kv90
Inserted at: 12 Sep 2023 11:21 UTC
INFORM Coping capacity of the alert score:
4.2 (Philippines)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0.3 0 0.3
us7000kv90 Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap 0.43 Max wave realtime 0m  
  C2 shakemap 0.27      
  Country Vulnerability 0      
  INFORM_normalised 0.89      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1525059 0.3 12 Sep 2023 11:03 6.3M, 41.3km 6.25 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.

Tsunami affected locations

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

See full locations list (RSS)


Initial conditions

Title: ""73 km N of Namuac""

Fault parameters

  • Latitude: 19.269
  • Longitude: 121.218
  • Length: 22 km
  • Width: 6 km
  • Magnitude: 6.3 M

Okada parameters:

  • Slip: .6 m
  • Strike: 14 (geogr angle: north=0, south=180)
  • Dip: 11 degree
  • Rake: 90 degree
  • Depth: 41 km

Calculation parameters

  • Calculation space (lon/lat): 119.718, 17.769, 122.718, 20.769
  • 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.