M 7.1 in Southeast Indian Ridge on 04 Dec 2015 22:24 UTC

Hazard models

EQ parameters
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: 7.1M
Depth: 10 Km
Event Date: 04 Dec 2015 22:24 UTC
05 Dec 2015 04:24 Local
Exposed Population: No people within 100km
Source: NEIC
Inserted at: 05 Dec 2015 00:21 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 0 0.5
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
1109969 0.5 04 Dec 2015 22:24 6.7M, 10km N/A No people affected (in 100km) 0m (at 00:00) 00:09 GEOFON
1109976 0.5 04 Dec 2015 22:24 7.1M, 10km N/A No people affected (in 100km) 0m (at 00:00) 00:20 NEIC
1109985 0.5 04 Dec 2015 22:24 7.1M, 10km N/A No people affected (in 100km) 0m (at 00:00) 01:56 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: "M7.1 Southeast Indian Ridge"

Fault parameters

  • Latitude: -47.643
  • Longitude: 85.093
  • Length: 56 km
  • Width: 15 km
  • Magnitude: 7.1 M

Okada parameters:

  • Slip: 1.5 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 80.593, -52.143, 89.593, -43.143
  • Instead of Step -> use Cell size:.68 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.