M 5.6 Off-shore on 04 Mar 2021 23:37 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: 10 Km
Lat/Lon: -29.6709 , -177.2057
Event Date: 04 Mar 2021 23:37 UTC
04 Mar 2021 11:37 Local
Exposed Population: No people within 100km
Source: NEIC us7000dfqh
Inserted at: 05 Mar 2021 00:00 UTC
INFORM Coping capacity of the alert score: 1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000dfqh Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
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
1362249 0 04 Mar 2021 23:37 5.6M, 10km 3.37 No people affected (in 100km) 00:23 NEIC
1363125 0 04 Mar 2021 23:37 5.6M, 10km 3.4 No people affected (in 100km) 2d 02:36 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 unknowed a zone. The alertlevel for this event is GREEN

Intensity Population


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1362249 -29.671/-177.206 5.6 10.0 3.371 05 Mar 2021 00:02 00:25 (new episode)
2 0 1362249 -29.671/-177.206 5.6 10.0 3.371 05 Mar 2021 01:42 02:05 (upd of #1)
3 0 1362249 -29.671/-177.206 5.6 10.0 3.371 05 Mar 2021 23:40 1d 00:03 (upd of #2)
4 0 1363125 -29.671/-177.26 5.6 10.0 3.402 07 Mar 2021 02:13 2d 02:36 (new episode)

Affected Provinces



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.