M 4.6 in New Zealand on 11 Mar 2021 09:45 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: 4.6M
Depth: 10 Km
Lat/Lon: -37.9619 , 179.4479
Event Date: 11 Mar 2021 09:45 UTC
11 Mar 2021 21:45 Local
Exposed Population:
About 1000 people within 100km
Source: NEIC us7000di3e
Inserted at: 11 Mar 2021 10:34 UTC
INFORM Coping capacity of the alert score
2 (New Zealand)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000di3e Scaled population (vector) 2.14  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability -0.33  
  INFORM_normalised 0.63  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1364184 0 11 Mar 2021 09:45 4.6M, 10km N/A 1 thousand (in 100km) 00:49 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 1400 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
Wellington New Zealand 150000 people
Taranaki New Zealand -
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 84 km
Tokomaru New Zealand 99 km

More information

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