M 6.1 in Kermadec Islands Region on 29 Apr 2021 06:50 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: 6.1M
Depth: 10 Km
Lat/Lon: -29.4024 , -176.4475
Event Date: 29 Apr 2021 06:50 UTC
28 Apr 2021 18:50 Local
Exposed Population: No people within 100km
Source: NEIC us7000dygd
Inserted at: 30 Apr 2021 05:45 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
us7000dygd Scaled population (vector) 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
1372688 0 29 Apr 2021 06:50 5.9M, 10km 3.15 No people affected (in 100km) 00:27 NEIC
1372871 0 29 Apr 2021 06:50 6.1M, 10km 3.33 N/A (in MMI>=VII) 22:55 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
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1372688 -29.555/-175.475 5.9 10.0 2.847 29 Apr 2021 07:18 00:28 (new episode)
2 0 1372688 -29.555/-175.475 5.9 10.0 2.892 29 Apr 2021 07:59 01:09 (upd of #1)
3 0 1372688 -29.555/-175.475 5.9 10.0 2.892 29 Apr 2021 08:54 02:03 (upd of #2)
4 0 1372688 -29.555/-175.475 5.9 10.0 3.153 29 Apr 2021 09:34 02:44 (upd of #3)
5 0 1372871 -29.402/-176.448 6.1 10.0 3.328 30 Apr 2021 05:49 22:58 (new episode)
6 0 1372871 -29.402/-176.448 6.1 10.0 3.33 30 Apr 2021 06:54 1d 00:04 (upd of #5)

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.