M 6.5 in Philippines from 23 Sep 2016 22:53 UTC to 22:53

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: 6.5M
Depth: 69 Km
Event Date: 23 Sep 2016 22:53 UTC
24 Sep 2016 06:53 Local
Exposed Population: 660000 people within 100km
Source: NTWC     at00odzbkm
Inserted at: 23 Sep 2016 23:03 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC     1.5 0 1.5
at00odzbkm Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1140948 1.5 23 Sep 2016 22:53 6.5M, 69km N/A 670 thousand (in 100km) 0m (at 00:00) 00:09 NTWC    
1140951 1.4 23 Sep 2016 22:53 6.3M, 62.51km 5.11 N/A (in MMI>=VII) 00:22 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: "M6.5 Mindanao. Philippines"

Fault parameters

  • Latitude: 6.7
  • Longitude: 126.6
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 178 (geogr angle: north=0, south=180)
  • Dip: 49 degree
  • Rake: 90 degree
  • Depth: 69 km

Calculation parameters

  • Calculation space (lon/lat): 125.1, 5.2, 128.1, 8.2
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

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

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