M 6.7 in Philippines on 17 Nov 2023 08:14 UTC

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.7M
Depth: 78 Km
Event Date: 17 Nov 2023 08:14 UTC
17 Nov 2023 16:14 Local
Exposed Population: 1.2 million (in MMI>=VII)
Source: NEIC us6000lp12
Inserted at: 17 Nov 2023 08:30 UTC
INFORM Coping capacity of the alert score:
1.1 (Philippines)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 1.6 0 1.6
us6000lp12 Scaled population (raster) 5.34 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
1536681 1.6 17 Nov 2023 08:14 7.2M, 69.7km N/A 1.8 million (in 100km) 0.3m (at 00:18) 00:15 PTWC
1536682 1.6 17 Nov 2023 08:14 6.7M, 78km 8.11 1.2 million (in MMI>=VII) 0m (at 00:00) 00:16 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 6.7, 26 km WSW of Burias, Philippines""

Fault parameters

  • Latitude: 5.587
  • Longitude: 125.051
  • Length: 35 km
  • Width: 9 km
  • Magnitude: 6.7 M

Okada parameters:

  • Slip: 1 m
  • Strike: 178 (geogr angle: north=0, south=180)
  • Dip: 49 degree
  • Rake: 90 degree
  • Depth: 78 km

Calculation parameters

  • Calculation space (lon/lat): 122.051, 2.587, 128.051, 8.587
  • 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.