M 6.3 in Chile on 11 Sep 2020 07:35 UTC

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: 6.3M
Depth: 51 Km
Event Date: 11 Sep 2020 07:35 UTC
11 Sep 2020 04:35 Local
Exposed Population: Less then 100 people in MMI VII
About 29000 people within 100km
Source: NEIC us7000blm2
Inserted at: 11 Sep 2020 08:51 UTC
INFORM Coping capacity of the alert score:
3 (Chile)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us7000blm2 Scaled population (raster) 2.01 Max wave alert 0m  
  C1 shakemap -1.16 Max wave realtime 0m  
  C2 shakemap 0.54      
  Country Vulnerability 0      
  INFORM_normalised 0.75      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1331318 0 11 Sep 2020 07:35 6.3M, 40.37km 7 223 (in MMI>=VII) 0m (at 00:00) 00:28 NEIC
1331329 0 11 Sep 2020 07:35 6.3M, 51km 7.21 876 (in MMI>=VII) 0m (at 00:00) 01:15 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 6.3, 83 km NNE of Tocopilla, Chile""

Fault parameters

  • Latitude: -21.393
  • Longitude: -69.894
  • Length: 22 km
  • Width: 6 km
  • Magnitude: 6.3 M

Okada parameters:

  • Slip: .6 m
  • Strike: 358 (geogr angle: north=0, south=180)
  • Dip: 33 degree
  • Rake: 90 degree
  • Depth: 51 km

Calculation parameters

  • Calculation space (lon/lat): -71.394, -22.893, -68.394, -19.893
  • Instead of Step -> use Cell size:.25 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.