M 7.4 in Mexico from 08 Sep 2021 01:47 UTC to 01:47

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: 7.4M
Depth: 50 Km
Event Date: 08 Sep 2021 01:47 UTC
07 Sep 2021 20:47 Local
Exposed Population: 2.1 million in 100km
Source: NTWC at00qz3ebs
Inserted at: 08 Sep 2021 02:02 UTC
INFORM Coping capacity of the alert score:
4.4 (Mexico)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC 0.9 0.1 0.9
at00qz3ebs Scaled population (vector) 6.48 Max wave alert 0.17m  
  C1 earthquake 1 Max wave realtime 0.17m  
  C2 earthquake 0      
  Country Vulnerability -1      
  INFORM_normalised 0.92      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1395824 0.9 08 Sep 2021 01:47 7.4M, 50km N/A 2.1 million (in 100km) 0.2m (at 00:25) 00:14 NTWC
1395827 0.7 08 Sep 2021 01:47 7M, 12.62km 6.89 690 thousand (in MMI>=VII) 0.2m (at 00:34) 00:27 NEIC
1395833 1.1 08 Sep 2021 01:47 7M, 20km 7.74 970 thousand (in MMI>=VII) 0.5m (at 00:32) 00:48 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 Acapulco, Mexico. This height is estimated for 8-Sep-2021 02:12:16.

Alert Date (UTC) Name Country Wave height (m)
8-Sep-2021 02:12:16 Acapulco Mexico  0.2
8-Sep-2021 02:12:16 Acapulco_MX Mexico  0.2
8-Sep-2021 02:12:16 Acapulco Club de Yates Mexico  0.2
8-Sep-2021 02:20:59 Mauricio Gutierrez Mexico  0.1
8-Sep-2021 01:47:00 El Marques Mexico  0.1
8-Sep-2021 02:49:47 El Papayo Mexico  0.1
8-Sep-2021 03:18:73 Tierra Colorada Mexico  0.1

See full locations list (RSS)


Initial conditions

Title: ""8 km ESE of Pueblo Madero (El Playón)""

Fault parameters

  • Latitude: 17.1
  • Longitude: -99.6
  • Length: 79 km
  • Width: 22 km
  • Magnitude: 7.4 M

Okada parameters:

  • Slip: 2 m
  • Strike: 290 (geogr angle: north=0, south=180)
  • Dip: 13 degree
  • Rake: 90 degree
  • Depth: 50 km

Calculation parameters

  • Calculation space (lon/lat): -107.1, 9.6, -92.1, 24.6
  • Instead of Step -> use Cell size:1.25 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.