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: 270 thousand in 100km
Source: NTWC at00qztyb6
Inserted at: 22 Sep 2021 10:09 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
NTWC 0 0.2 0.2
at00qztyb6 Scaled population (vector) 4.43 Max wave alert 0.21m  
  C1 earthquake 1 Max wave realtime 0.21m  
  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 10:56:77.

Alert Date (UTC) Name Country Wave height (m)
22-Sep-2021 10:56:77 Venecia Nicaragua  0.2
22-Sep-2021 10:46:49 Aposentillo Nicaragua  0.1
22-Sep-2021 10:54:14 El Puente Nicaragua  0.1
22-Sep-2021 10:58:56 El Tinco Nicaragua  0.1
22-Sep-2021 10:58:56 Salamina Nicaragua  0.1
22-Sep-2021 11:24:19 Conchaguita El Salvador  0.1
22-Sep-2021 11:24:19 Agua El Salvador  0.1
22-Sep-2021 10:58:92 El Amparo Nicaragua  0.1
22-Sep-2021 10:58:92 El Transito Nicaragua  0.1
22-Sep-2021 11:39:85 Hacienda La Chepona El Salvador  0.1
22-Sep-2021 11:39:85 Balneario El Espino El Salvador  0.1
22-Sep-2021 11:24:73 La Periquera El Salvador  0.1
22-Sep-2021 10:53:41 El Tanque Nicaragua  0.1
22-Sep-2021 10:44:85 Linda Vista Nicaragua  0.1
22-Sep-2021 10:44:85 Puerto el Barquito Nicaragua  0.1
22-Sep-2021 10:48:23 Poneloya Nicaragua  0.1
22-Sep-2021 10:48:23 El Carmen Nicaragua  0.1
22-Sep-2021 10:57:53 Salinas Grandes Nicaragua  0.1
22-Sep-2021 10:59:93 San Juan Nicaragua  0.1
22-Sep-2021 11:00:44 Masachapa Nicaragua  0.1
22-Sep-2021 11:00:44 Loma Alegre Nicaragua  0.1
22-Sep-2021 11:33:65 Canoguero El Salvador  0.1
22-Sep-2021 10:53:41 Candelaria Nicaragua  0.1
22-Sep-2021 10:57:53 Puerto Somoza Nicaragua  0.1
22-Sep-2021 11:00:27 El Zapote Nicaragua  0.1
22-Sep-2021 11:36:87 Guerrero El Salvador  0.1

See full locations list (RSS)


Initial conditions

Title: ""M 6.7, 80 km WSW of Corinto, Nicaragua""

Fault parameters

  • Latitude: 12.1
  • Longitude: -87.8
  • 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): -90.8, 9.1, -84.8, 15.1
  • 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.