M 7.7 in Mexico from 23 Jun 2020 15:29 UTC to 15:29

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: 7.7M
Depth: 33 Km
Event Date: 23 Jun 2020 15:29 UTC
23 Jun 2020 10:29 Local
Exposed Population: 570000 people within 100km
Source: PTWC pt20175001
Inserted at: 23 Jun 2020 15:40 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
PTWC 0.7 0.8 0.8
pt20175001 Scaled population (vector) 5.61 Max wave alert 0.88m  
  C1 earthquake 1 Max wave realtime 0.88m  
  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
1317280 0.8 23 Jun 2020 15:29 7.7M, 33km N/A 580 thousand (in 100km) 0.9m (at 01:12) 00:11 PTWC
1317281 0.9 23 Jun 2020 15:29 7.7M, 33km N/A 590 thousand (in 100km) 1m (at 01:14) 00:12 NTWC
1317285 0.3 23 Jun 2020 15:29 7.4M, 23.31km 6.92 30 thousand (in MMI>=VII) 0.4m (at 01:10) 00:19 NEIC
1317290 0.6 23 Jun 2020 15:29 7.4M, 26.25km 7.62 170 thousand (in MMI>=VII) 0.3m (at 00:00) 05:23 NEIC
1317865 0.5 23 Jun 2020 15:29 7.4M, 20km 7.55 120 thousand (in MMI>=VII) 0.6m (at 01:12) 3d 01:17 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  0.9m in Salina Cruz, Mexico. This height is estimated for 23-Jun-2020 16:41:13.

Alert Date (UTC) Name Country Wave height (m)
23-Jun-2020 16:41:13 Salina Cruz Mexico  0.9
23-Jun-2020 16:41:13 Salina Cruz- Oax. Mexico  0.9
23-Jun-2020 16:15:42 Garrapateras Mexico  0.6
23-Jun-2020 15:33:37 Mirador Mexico  0.6
23-Jun-2020 15:29:00 Tangolunda Mexico  0.6
23-Jun-2020 15:29:00 Bajo de Arenal Mexico  0.5
23-Jun-2020 17:59:13 Huajapan Mexico  0.4
23-Jun-2020 15:29:00 Loma Larga Mexico  0.4
23-Jun-2020 17:15:22 Puerto Escondido Mexico  0.3
23-Jun-2020 15:29:00 Puerto Angel Mexico  0.3
23-Jun-2020 16:49:24 Arista Mexico  0.3
23-Jun-2020 16:55:74 Solo Dios Mexico  0.2
23-Jun-2020 16:03:05 Costa Rica Mexico  0.2
23-Jun-2020 19:29:53 Pasito de la Senora Mexico  0.2
23-Jun-2020 16:37:67 El Roble Mexico  0.2
23-Jun-2020 16:31:64 Pie Cerro Mexico  0.1
23-Jun-2020 19:29:53 La Concepion Mexico  0.1
23-Jun-2020 16:45:08 Bajos de Chila Mexico  0.1
23-Jun-2020 16:53:83 Puerto Madero- Chis. Mexico  0.1
23-Jun-2020 15:29:00 La Redonda Mexico  0.1
23-Jun-2020 16:47:53 Ocos Guatemala  0.1
23-Jun-2020 19:35:63 Barra de San Jose Mexico  0.1
23-Jun-2020 17:05:77 El Naranjo Guatemala  0.1
23-Jun-2020 16:45:08 Acapan Guatemala  0.1
23-Jun-2020 15:59:07 La Tuza Mexico  0.1
23-Jun-2020 17:07:52 Tierra Colorada Mexico  0.1
23-Jun-2020 16:45:08 El Chico Guatemala  0.1
23-Jun-2020 17:15:22 Metalio El Salvador  0.1
23-Jun-2020 17:15:22 Acajutla El Salvador  0.1
23-Jun-2020 17:15:22 Buenos Aires El Salvador  0.1
23-Jun-2020 16:33:26 Coyote Mexico  0.1
23-Jun-2020 15:45:13 Paso Hondo Mexico  0.1
23-Jun-2020 16:51:98 Champerico Guatemala  0.1
23-Jun-2020 18:49:45 Puerto de San Benito Mexico  0.1
23-Jun-2020 16:57:77 Tahuesco Guatemala  0.1
23-Jun-2020 17:03:32 La Barrita Guatemala  0.1
23-Jun-2020 16:47:53 La Verde Guatemala  0.1
23-Jun-2020 18:47:93 Barra Madre Vieja Guatemala  0.1
23-Jun-2020 17:13:75 Barra de Santiago El Salvador  0.1
23-Jun-2020 17:15:22 Las Champas Guatemala  0.1
23-Jun-2020 17:31:76 La Libertad El Salvador  0.1
23-Jun-2020 19:23:84 Refundores Costa Rica  0.1
23-Jun-2020 17:37:23 Las Pinas Mexico  0.1
23-Jun-2020 17:11:52 Acajutla_SV El Salvador  0.1
23-Jun-2020 17:15:22 Acachapa El Salvador  0.1
23-Jun-2020 17:25:93 El Sunzal El Salvador  0.1
23-Jun-2020 17:31:76 Canton Pimiental El Salvador  0.1
23-Jun-2020 19:13:53 Nacascolo Costa Rica  0.1
23-Jun-2020 17:59:13 Cacao Costa Rica  0.1
23-Jun-2020 19:25:35 La Lima Mexico  0.1
23-Jun-2020 16:13:03 Mauricio Gutierrez Mexico  0.1
23-Jun-2020 19:35:63 Coyuquillas Mexico  0.1
23-Jun-2020 17:35:08 Playa Azul Mexico  0.1
23-Jun-2020 17:07:52 Barra de la Gabina Guatemala  0.1
23-Jun-2020 17:19:45 Hacienda Taquillo El Salvador  0.1
23-Jun-2020 17:53:69 El Tinco Nicaragua  0.1
23-Jun-2020 17:53:69 Salamina Nicaragua  0.1
23-Jun-2020 17:59:13 Las Salinas Nicaragua  0.1
23-Jun-2020 17:59:13 Las Delicias Nicaragua  0.1

See full locations list (RSS)


Initial conditions

Title: ""12 km WSW of El Coyul""

Fault parameters

  • Latitude: 15.856
  • Longitude: -95.911
  • Length: 112 km
  • Width: 31 km
  • Magnitude: 7.7 M

Okada parameters:

  • Slip: 2.9 m
  • Strike: 272 (geogr angle: north=0, south=180)
  • Dip: 10 degree
  • Rake: 90 degree
  • Depth: 33 km

Calculation parameters

  • Calculation space (lon/lat): -106.411, 5.356, -85.411, 26.356
  • Instead of Step -> use Cell size:1.75 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.