M 7 in Kermadec Islands Region on 16 Mar 2023 00:56 UTC

Hazard models

Rapid Impact
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: 7.0M
Depth: 22.065 Km
Lat/Lon: -30.1147 , -176.1116
Event Date: 16 Mar 2023 00:56 UTC
15 Mar 2023 12:56 Local
Exposed Population:
Source: NEIC us7000jkbd
Inserted at: 16 Mar 2023 01:13 UTC
INFORM Coping capacity of the alert score: 1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0.2 0.2
us7000jkbd Scaled population (vector) 0 Max wave alert 0.2m  
  C1 shakemap -0.59 Max wave realtime 0.2m  
  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
1495606 0.6 16 Mar 2023 00:55 7.1M, 10km N/A No people affected (in 100km) 0.7m (at 00:25) 00:09 PTWC
1495610 0.2 16 Mar 2023 00:56 7M, 22.065km 4.6 No people affected (in 100km) 0.2m (at 00:18) 00:17 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 1495610 -176.112/-30.115 7 22.1 3.882 16 Mar 2023 01:18 00:22 (new episode)
2 0 1495610 -176.112/-30.115 7 22.1 4.254 16 Mar 2023 01:36 00:40 (upd of #1)
3 0 1495610 -176.112/-30.115 7 22.1 4.603 16 Mar 2023 03:00 02:04 (upd of #2)
4 0 1495610 -176.112/-30.115 7 22.1 4.603 17 Mar 2023 01:40 1d 00:44 (upd of #3)

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.