M 7.3 in New Zealand on 04 Mar 2021 13:27 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: 7.3M
Depth: 20.78 Km
Lat/Lon: -37.5628 , 179.4443
Event Date: 04 Mar 2021 13:27 UTC
05 Mar 2021 01:27 Local
Exposed Population: Less then 100 people in MMI VI
About 700 people within 100km
Source: NEIC us7000dffl
Inserted at: 04 Mar 2021 15:16 UTC
INFORM Coping capacity of the alert score
2 (New Zealand)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0.5 0.5
us7000dffl Scaled population (raster) 0 Max wave alert 0.58m  
  C1 shakemap -0.59 Max wave realtime 0.58m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.63      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1361964 0.3 04 Mar 2021 13:27 6.9M, 10km 6.14 N/A (in MMI>=VII) 0.3m (at 00:54) 00:25 NEIC
1362005 0.5 04 Mar 2021 13:27 7.3M, 20.78km 6.44 N/A (in MMI>=VII) 0.6m (at 00:50) 01:48 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 New Zealand , County of East Cape.

Radius Population
100 km <1000 people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
East Cape New Zealand -
Bay of Plenty New Zealand -
Hawke's Bay New Zealand -
Waikato New Zealand 39000 people
Wanganui-Manawatu New Zealand -
Auckland New Zealand 320000 people
Taranaki New Zealand -
Wellington New Zealand 150000 people
Northland New Zealand -

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Ports

Name LOCODE Country Distance
East Cape New Zealand 80 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.