M 6.5 in Nicaragua on 22 Sep 2021 09:57 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: 6.5M
Depth: 30.74 Km
Lat/Lon: 12.1598 , -87.8542
Event Date: 22 Sep 2021 09:57 UTC
22 Sep 2021 03:57 Local
Exposed Population: 240 thousand in 100km
Source: NEIC us7000fdds
Inserted at: 22 Sep 2021 10:17 UTC
INFORM Coping capacity of the alert score: 5.3 (Nicaragua)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us7000fdds Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1.02      
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


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.

Exposed population

The earthquake happened in Nicaragua ,of Chinandega (population 274,239) . The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1397992 12.16/-87.854 6.5 30.7 4.502 22 Sep 2021 10:20 00:23 (new episode)
2 0 1397992 12.16/-87.854 6.5 30.7 4.503 22 Sep 2021 11:14 01:17 (upd of #1)
3 0 1397992 12.16/-87.854 6.5 30.7 4.503 22 Sep 2021 12:02 02:05 (upd of #2)
4 0 1397992 12.16/-87.854 6.5 30.7 4.501 23 Sep 2021 10:14 1d 00:17 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Chinandega Nicaragua 270000 people
Leon Nicaragua 11000 people
Choluteca Honduras <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Aposentillo Chinandega Nicaragua Village - 75 km
Petacaltepe Chinandega Nicaragua Village - 79 km
Fátima Chinandega Nicaragua Village - 81 km
Linda Vista León Nicaragua Village - 81 km
El Fortín Chinandega Nicaragua Village - 83 km
El Tanque Chinandega Nicaragua Village - 85 km
Santo Tomás Chinandega Nicaragua Village - 86 km
La Chácara Chinandega Nicaragua Village - 88 km
Puerto el Barquito Chinandega Nicaragua Village - 89 km
Apante Chinandega Nicaragua Village - 91 km
Poneloya León Nicaragua Village - 92 km
El Viejo Chinandega Nicaragua City 53000 people 93 km
Corinto León Nicaragua Village 19000 people 94 km
Chinandega Chinandega Nicaragua City 130000 people 94 km
Colonia Adela Chinandega Nicaragua Village - 97 km
Chichigalpa Chinandega Nicaragua City 33000 people 100 km
El Cacao Chinandega Nicaragua Village - 101 km
San Miguelito Chinandega Nicaragua Village - 104 km
San Pablo Chinandega Nicaragua Village - 104 km
Puerto Morazán Chinandega Nicaragua Village 5500 people 107 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Intensity Name LOCODE Country Distance
Corinto NICIO Nicaragua 81 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.