M 5.6 in Nicaragua on 22 Sep 2021 12:57 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: 5.6M
Depth: 33.49 Km
Lat/Lon: 12.0711 , -87.6777
Event Date: 22 Sep 2021 12:57 UTC
22 Sep 2021 06:57 Local
Exposed Population: 490 thousand in 100km
Source: NEIC us7000fdfd
Inserted at: 22 Sep 2021 13:18 UTC
INFORM Coping capacity of the alert score: 5.3 (Nicaragua)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000fdfd Scaled population (raster) 0  
  C1 shakemap -0.59  
  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
1398046 0 22 Sep 2021 12:57 5.6M, 33.49km 3.6 N/A (in MMI>=VII) 00:21 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. 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 1398046 12.071/-87.678 5.6 33.5 3.604 22 Sep 2021 13:20 00:23 (new episode)
2 0 1398046 12.071/-87.678 5.6 33.5 3.604 22 Sep 2021 14:15 01:18 (upd of #1)
3 0 1398046 12.071/-87.678 5.6 33.5 3.604 22 Sep 2021 15:00 02:03 (upd of #2)
4 0 1398046 12.071/-87.678 5.6 33.5 3.604 23 Sep 2021 13:01 1d 00:04 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Chinandega Nicaragua no people


Critical infrastructure

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

More information

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