M 6.8 in Nicaragua on 21 Apr 2022 07:42 UTC

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: 6.8M
Depth: 10 Km
Event Date: 21 Apr 2022 07:42 UTC
21 Apr 2022 01:42 Local
Exposed Population: 370 thousand in 100km
Source: PTWC pt22111000
Inserted at: 21 Apr 2022 07:54 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
pt22111000 Scaled population (vector) 4.76 Max wave alert 0.28m  
  C1 earthquake 1 Max wave realtime 0.28m  
  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
1438332 0.2 21 Apr 2022 07:42 6.8M, 10km N/A 370 thousand (in 100km) 0.3m (at 00:43) 00:11 PTWC
1438333 0.2 21 Apr 2022 07:42 6.8M, 10km N/A 390 thousand (in 100km) 0.3m (at 00:42) 00:18 NTWC
1438335 0 21 Apr 2022 07:42 6.7M, 25.33km 5.42 N/A (in MMI>=VII) 0.1m (at 00:40) 00:23 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 Salamina, Nicaragua. This height is estimated for 21-Apr-2022 08:25:64.

Alert Date (UTC) Name Country Wave height (m)
21-Apr-2022 08:25:64 Salamina Nicaragua  0.3
21-Apr-2022 08:24:76 El Tinco Nicaragua  0.3
21-Apr-2022 08:27:76 El Amparo Nicaragua  0.3
21-Apr-2022 08:27:76 El Transito Nicaragua  0.3
21-Apr-2022 08:22:71 San Juan Nicaragua  0.2
21-Apr-2022 08:22:71 El Zapote Nicaragua  0.2
21-Apr-2022 08:30:32 San Jose Nicaragua  0.2
21-Apr-2022 08:24:17 Masachapa Nicaragua  0.2
21-Apr-2022 08:22:72 Loma Alegre Nicaragua  0.2
21-Apr-2022 08:22:27 Huiste Nicaragua  0.1
21-Apr-2022 08:32:35 Puerto Somoza Nicaragua  0.1
21-Apr-2022 08:37:36 Salinas Grandes Nicaragua  0.1
21-Apr-2022 08:39:88 Candelaria Nicaragua  0.1
21-Apr-2022 08:22:72 Boquita Nicaragua  0.1
21-Apr-2022 08:24:76 Casares Nicaragua  0.1
21-Apr-2022 08:45:81 San Juan del Sur Nicaragua  0.1
21-Apr-2022 08:45:81 El Socorro Nicaragua  0.1
21-Apr-2022 08:38:73 Poneloya Nicaragua  0.1
21-Apr-2022 08:38:73 El Carmen Nicaragua  0.1
21-Apr-2022 08:42:97 Puerto el Barquito Nicaragua  0.1
21-Apr-2022 08:42:27 Linda Vista Nicaragua  0.1
21-Apr-2022 08:41:36 Brito Nicaragua  0.1
21-Apr-2022 08:43:26 San Lorenzo Nicaragua  0.1
21-Apr-2022 09:28:33 Ahuchuetes Nicaragua  0.1
21-Apr-2022 09:28:33 Veracruz Nicaragua  0.1
21-Apr-2022 08:57:28 Las Salinas Nicaragua  0.1
21-Apr-2022 08:57:28 Las Delicias Nicaragua  0.1
21-Apr-2022 09:44:31 Fatima Nicaragua  0.1
21-Apr-2022 08:44:66 Escameca Nicaragua  0.1
21-Apr-2022 08:55:52 Coco Costa Rica  0.1
21-Apr-2022 09:41:75 El Ostional Nicaragua  0.1
21-Apr-2022 09:41:75 Cuatro Caminos Nicaragua  0.1

See full locations list (RSS)


Initial conditions

Title: ""63 km WSW of Masachapa""

Fault parameters

  • Latitude: 11.524
  • Longitude: -87.03
  • Length: 39 km
  • Width: 11 km
  • Magnitude: 6.8 M

Okada parameters:

  • Slip: 1 m
  • Strike: 313 (geogr angle: north=0, south=180)
  • Dip: 25 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -90.03, 8.524, -84.03, 14.524
  • 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.