M 5.5 in Kermadec Islands Region on 05 Mar 2021 18:57 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: 5.5M
Depth: 16 Km
Lat/Lon: -28.4431 , -176.6016
Event Date: 05 Mar 2021 18:57 UTC
05 Mar 2021 06:57 Local
Exposed Population: No people within 100km
Source: NEIC us7000dg4u
Inserted at: 09 Mar 2021 15:51 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
us7000dg4u 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
1362616 0 05 Mar 2021 18:57 5.5M, 10km 2.76 No people affected (in 100km) 00:50 NEIC
1363826 0 05 Mar 2021 18:57 5.5M, 16km 2.76 No people affected (in 100km) 3d 20:54 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 1362616 -28.429/-176.595 5.5 10.0 2.758 05 Mar 2021 19:50 00:52 (new episode)
2 0 1362616 -28.429/-176.595 5.5 10.0 2.758 05 Mar 2021 21:00 02:03 (upd of #1)
3 0 1362616 -28.429/-176.595 5.5 10.0 2.758 06 Mar 2021 19:01 1d 00:03 (upd of #2)
4 0 1363826 -28.443/-176.602 5.5 16.0 2.803 09 Mar 2021 15:49 3d 20:52 (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.