M 7 in Haiti from 14 Aug 2021 12:29 UTC to 12:29

Event summary

This earthquake is expected to have a high humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 7.0M
Depth: 10 Km
Event Date: 14 Aug 2021 12:29 UTC
14 Aug 2021 08:29 Local
Exposed Population: 2.2 million in 100km
Source: PTWC pt21226002
Inserted at: 14 Aug 2021 12:44 UTC
INFORM Coping capacity of the alert score:
7.4 (Haiti)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 3.9 0.5 3.9
pt21226002 Scaled population (vector) 6.46 Max wave alert 0.5m  
  C1 earthquake 1 Max wave realtime 0.5m  
  C2 earthquake 0      
  Country Vulnerability 1      
  INFORM_normalised 1.27      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1391565 0.2 14 Aug 2021 12:29 6.7M, 10km N/A No people affected (in 100km) 0.3m (at 00:11) 00:10 GEOFON
1391571 3.9 14 Aug 2021 12:29 7M, 10km N/A 2.2 million (in 100km) 0.5m (at 00:08) 00:15 PTWC
1391575 3.8 14 Aug 2021 12:29 7M, 10km N/A 2.3 million (in 100km) 0.5m (at 00:07) 00:18 NTWC
1391580 4.3 14 Aug 2021 12:29 7.2M, 10km 8.71 950 thousand (in MMI>=VII) 0.5m (at 00:00) 00:26 NEIC
1391652 4.3 14 Aug 2021 12:29 7.2M, 10km 8.48 960 thousand (in MMI>=VII) 0.2m (at 00:27) 03:37 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  0.3m in Platon Balais, Haiti. This height is estimated for 14-Aug-2021 12:40:02.

Alert Date (UTC) Name Country Wave height (m)
14-Aug-2021 12:40:02 Platon Balais Haiti  0.3
14-Aug-2021 12:41:37 Trou Louis Haiti  0.2
14-Aug-2021 12:43:52 Trou des Hommes Haiti  0.2
14-Aug-2021 12:43:52 Nan Boeuf Haiti  0.2
14-Aug-2021 13:02:48 Abraham Haiti  0.2
14-Aug-2021 12:34:32 Mathon Haiti  0.2
14-Aug-2021 13:37:15 Barcadere Trompe Haiti  0.1
14-Aug-2021 13:35:77 Aubry Haiti  0.1
14-Aug-2021 15:30:56 Port-au-Prince Haiti  0.1
14-Aug-2021 13:02:48 Anse-a-Veau Haiti  0.1
14-Aug-2021 13:14:97 Miragoane Haiti  0.1
14-Aug-2021 12:49:57 Gros Mangle Haiti  0.1
14-Aug-2021 13:26:35 Saint-Marc Haiti  0.1
14-Aug-2021 14:04:86 Bellevue Haiti  0.1
14-Aug-2021 13:31:68 Arcahaie Haiti  0.1
14-Aug-2021 12:29:00 Saint-Louis-du-Sud Haiti  0.1
14-Aug-2021 12:29:00 Aquin Haiti  0.1
14-Aug-2021 13:46:85 Grande Cayemite Haiti  0.1
14-Aug-2021 13:46:85 Etroit Haiti  0.1
14-Aug-2021 12:46:13 Evangeliste Haiti  0.1
14-Aug-2021 13:06:74 Etroits Haiti  0.1
14-Aug-2021 13:36:36 Anse-d'Hainault Haiti  0.1
14-Aug-2021 13:04:88 L'Usine Haiti  0.1
14-Aug-2021 12:54:26 Boucan a Lait Haiti  0.1
14-Aug-2021 13:22:24 Anse Rouge Haiti  0.1
14-Aug-2021 12:51:72 Petit-Goave Haiti  0.1
14-Aug-2021 12:49:57 La Cayenne Haiti  0.1
14-Aug-2021 14:54:25 Cap Dame-Marie Haiti  0.1
14-Aug-2021 13:21:28 Baie-de-Henne Haiti  0.1
14-Aug-2021 13:23:16 Dugazon Haiti  0.1
14-Aug-2021 13:22:24 Augier Haiti  0.1
14-Aug-2021 13:41:04 Gonaives Haiti  0.1
14-Aug-2021 13:37:82 Irois Haiti  0.1
14-Aug-2021 14:01:98 Manchioneal Jamaica  0.1

See full locations list (RSS)


Initial conditions

Title: ""M7.2 HAITI REGION""

Fault parameters

  • Latitude: 18.43
  • Longitude: -73.45
  • Length: 63 km
  • Width: 17 km
  • Magnitude: 7.2 M

Okada parameters:

  • Slip: 1.7 m
  • Strike: 274 (geogr angle: north=0, south=180)
  • Dip: 15 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -79.45, 12.43, -67.45, 24.43
  • Instead of Step -> use Cell size:1 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.