M 4.8 in New Zealand on 12 Oct 2021 01:55 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: 4.8M
Depth: 165.44 Km
Lat/Lon: -40.1901 , 173.4838
Event Date: 12 Oct 2021 01:55 UTC
12 Oct 2021 13:55 Local
Exposed Population:
30 thousand in 100km
Source: NEIC us6000ftvr
Inserted at: 20 Oct 2021 05:40 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
us6000ftvr Scaled population (vector) 3.44  
  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
1401708 0 12 Oct 2021 01:55 4.8M, 165.44km N/A 30 thousand (in 100km) 8d 03:45 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 Nelson-Marlborough.

Radius Population
100 km 26000 people
75 km <1000 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
Nelson-Marlborough New Zealand -
Taranaki New Zealand -
Wanganui-Manawatu New Zealand -
Westland New Zealand 9500 people
Wellington New Zealand 150000 people
Waikato New Zealand 39000 people
Hawke's Bay New Zealand -
Canterbury New Zealand -
Bay of Plenty New Zealand -
Auckland New Zealand 320000 people
East Cape New Zealand -
Northland New Zealand -

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Takaka KTF unknown 0 93 km
Hawera 114 Priv. Unpaved No 3100 97 km

Ports

Name LOCODE Country Distance
D'urville Island New Zealand 79 km
Opunake New Zealand 87 km
Collingwood New Zealand 87 km
Patea New Zealand 99 km

More information

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