M 7.2 in Chile on 25 Mar 2012 22:37 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

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: 7.2M
Depth: 30 Km
Event Date: 25 Mar 2012 22:37 UTC
25 Mar 2012 19:37 Local
Exposed Population:
1070000 people within 100km
Source: NEIC usc0008pwq
Inserted at: 02 Feb 2017 13:09 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 1.2 1 1.2
usc0008pwq 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
115731 0.7 25 Mar 2012 22:37 7.2M, 10km N/A 200 thousand (in 100km) 0.8m (at 00:20) 1774d 14:32 NEIC
115732 1.2 25 Mar 2012 22:37 7.2M, 30km N/A 1.1 million (in 100km) 0m (at 00:00) 1774d 14:32 NEIC
115733 1.2 25 Mar 2012 22:37 7.1M, 34.8km N/A 1.1 million (in 100km) 0m (at 00:00) 1774d 14:32 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: "eqid"

Fault parameters

  • Latitude: -35.198
  • Longitude: -71.783
  • Length: 63 km
  • Width: 17 km
  • Magnitude: 7.2 M

Okada parameters:

  • Slip: 1.7 m
  • Strike: 32 (geogr angle: north=0, south=180)
  • Dip: 30 degree
  • Rake: 90 degree
  • Depth: 30 km

Calculation parameters

  • Calculation space (lon/lat): -77.783, -41.198, -65.783, -29.198
  • Instead of Step -> use Cell size:1 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.