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

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 ()


For more info on GDACS alert score click here.
(Rapid Impact)
Tsunami GDACS score
NEIC 0 0.2 0.2
us7000jkbd Scaled population (raster) 0 Max wave alert 0.2m  
  C1 rapid impact 0 Max wave realtime 0.2m  
  C2 rapid impact 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1495606 0 16 Mar 2023 00:55 7.1M, 10km 6.91 N/A (in MMI>=VII) 0.7m (at 00:25) 00:09 PTWC
1495610 0 16 Mar 2023 00:56 7M, 22.065km 6.67 N/A (in MMI>=VII) 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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
no people

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.