M 6.5 in Chile on 17 Apr 2012 03:50 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: 6.5M
Depth: 67.4 Km
Event Date: 17 Apr 2012 03:50 UTC
17 Apr 2012 00:50 Local
Exposed Population:
1700000 people within 100km
Source: NEIC usc00095a2
Inserted at: 02 Feb 2017 13:10 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 1 1 1
usc00095a2 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
116160 1 17 Apr 2012 03:50 6.5M, 67.4km N/A 1.7 million (in 100km) 0m (at 00:00) 1752d 09:19 NEIC
116161 1 17 Apr 2012 03:50 6.5M, 25.9km N/A 1.9 million (in 100km) 00:15 NEIC
116163 1.1 17 Apr 2012 03:50 6.7M, 37km N/A 1.9 million (in 100km) 0m (at 00:00) 1752d 09:19 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: -32.67
  • Longitude: -71.516
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 7 (geogr angle: north=0, south=180)
  • Dip: 15 degree
  • Rake: 90 degree
  • Depth: 67 km

Calculation parameters

  • Calculation space (lon/lat): -73.016, -34.17, -70.016, -31.17
  • 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.