M 6.5 in Chile on 01 Sep 2020 21:09 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: 6.5M
Depth: 14.26 Km
Event Date: 01 Sep 2020 21:09 UTC
01 Sep 2020 17:09 Local
Exposed Population: Less than 100 people in MMI VI
About 66000 people within 100km
Source: NEIC us7000bg4v
Inserted at: 01 Sep 2020 21:45 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 0.1 0.1
us7000bg4v Scaled population (raster) 0 Max wave alert 0.17m  
  C1 shakemap -1.16 Max wave realtime 0.17m  
  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
1329713 0.1 01 Sep 2020 21:09 6.5M, 14.26km 6.01 N/A (in MMI>=VII) 0.2m (at 00:07) 00:35 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

The maximum Wave height is  0.2m in Carrizal Bajo, Chile. This height is estimated for 1-Sep-2020 21:16:87.

Alert Date (UTC) Name Country Wave height (m)
1-Sep-2020 21:16:87 Carrizal Bajo Chile  0.2
1-Sep-2020 21:16:87 Barranquilla Chile  0.1

See full locations list (RSS)


Initial conditions

Title: ""95 km NW of Vallenar""

Fault parameters

  • Latitude: -27.928
  • Longitude: -71.394
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 14 (geogr angle: north=0, south=180)
  • Dip: 8 degree
  • Rake: 90 degree
  • Depth: 14 km

Calculation parameters

  • Calculation space (lon/lat): -72.894, -29.428, -69.894, -26.428
  • 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.