M 6.7 in Nicaragua from 22 Sep 2021 09:57 UTC to 09:57

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: 6.7M
Depth: 10 Km
Event Date: 22 Sep 2021 09:57 UTC
22 Sep 2021 03:57 Local
Exposed Population: 260 thousand in 100km
Source: PTWC pt21265000
Inserted at: 22 Sep 2021 10:06 UTC
INFORM Coping capacity of the alert score:
5.3 (Nicaragua)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0 0.2 0.2
pt21265000 Scaled population (vector) 4.42 Max wave alert 0.2m  
  C1 earthquake 1 Max wave realtime 0.2m  
  C2 earthquake 0      
  Country Vulnerability -1      
  INFORM_normalised 1.02      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1397989 0 22 Sep 2021 09:57 6.5M, 54km N/A 520 thousand (in 100km) 0m (at 00:00) 00:08 GEOFON
1397990 0.2 22 Sep 2021 09:57 6.7M, 10km N/A 260 thousand (in 100km) 0.2m (at 00:59) 00:09 PTWC
1397991 0.2 22 Sep 2021 09:57 6.7M, 10km N/A 270 thousand (in 100km) 0.2m (at 00:59) 00:12 NTWC
1397992 0 22 Sep 2021 09:57 6.5M, 30.74km 4.5 N/A (in MMI>=VII) 0m (at 00:00) 00:20 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 Venecia, Nicaragua. This height is estimated for 22-Sep-2021 10:56:74.

Alert Date (UTC) Name Country Wave height (m)
22-Sep-2021 10:56:74 Venecia Nicaragua  0.2
22-Sep-2021 10:55:12 El Puente Nicaragua  0.1
22-Sep-2021 10:37:51 Fatima Nicaragua  0.1
22-Sep-2021 10:54:63 El Tanque Nicaragua  0.1
22-Sep-2021 10:57:16 El Amparo Nicaragua  0.1
22-Sep-2021 10:57:16 El Transito Nicaragua  0.1
22-Sep-2021 10:57:16 El Tinco Nicaragua  0.1
22-Sep-2021 11:40:99 Hacienda La Chepona El Salvador  0.1
22-Sep-2021 11:40:99 Balneario El Espino El Salvador  0.1
22-Sep-2021 11:24:62 Agua El Salvador  0.1
22-Sep-2021 11:24:62 Canoguero El Salvador  0.1
22-Sep-2021 10:57:14 Salamina Nicaragua  0.1
22-Sep-2021 11:24:57 La Periquera El Salvador  0.1
22-Sep-2021 11:24:57 Conchaguita El Salvador  0.1
22-Sep-2021 10:42:97 Linda Vista Nicaragua  0.1
22-Sep-2021 10:44:84 Puerto el Barquito Nicaragua  0.1
22-Sep-2021 10:47:74 Poneloya Nicaragua  0.1
22-Sep-2021 10:53:27 Candelaria Nicaragua  0.1
22-Sep-2021 11:00:95 Masachapa Nicaragua  0.1
22-Sep-2021 11:00:95 Loma Alegre Nicaragua  0.1
22-Sep-2021 10:45:76 Aposentillo Nicaragua  0.1
22-Sep-2021 10:47:74 Salinas Grandes Nicaragua  0.1
22-Sep-2021 10:47:72 El Carmen Nicaragua  0.1
22-Sep-2021 10:59:85 San Juan Nicaragua  0.1
22-Sep-2021 10:59:43 El Zapote Nicaragua  0.1
22-Sep-2021 11:34:43 Conchaguita El Salvador  0.1

See full locations list (RSS)


Initial conditions

Title: ""80 km SW of Corinto""

Fault parameters

  • Latitude: 12.065
  • Longitude: -87.78
  • Length: 35 km
  • Width: 9 km
  • Magnitude: 6.7 M

Okada parameters:

  • Slip: 1 m
  • Strike: 300 (geogr angle: north=0, south=180)
  • Dip: 25 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -90.78, 9.065, -84.78, 15.065
  • Instead of Step -> use Cell size:.5 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.