M 4.8 in New Zealand on 11 May 2016 19:55 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: 27.57 Km
Lat/Lon: -40.9676 , 175.583
Event Date: 11 May 2016 19:55 UTC
12 May 2016 07:55 Local
Exposed Population:
612224 people within 100km
Source: NEIC
Inserted at: 11 May 2016 21:51 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.1 0.1
Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1128012 0.2 11 May 2016 19:55 5.1M, 21.58km N/A 610 thousand (in 100km) 00:23 NEIC
1128014 0.2 11 May 2016 19:55 5M, 32.01km N/A 610 thousand (in 100km) 00:34 NEIC
1128026 0.1 11 May 2016 19:55 4.8M, 27.57km N/A 610 thousand (in 100km) 01:55 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 Wellington (population 154,454) . The nearest places are Wellington, Woodside, Dalefield, Clareville, Kopuaranga, Mauriceville West, Greytown, Masterton, Gladstone, Featherston, and Carterton.

Radius Population
100 km 610000 people
75 km 580000 people
50 km 160000 people
20 km 24000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Wellington New Zealand 150000 people

Affected populated places

Name Region Province Country City class Population Distance
Dalefield Wellington New Zealand Village - 11 km
Clareville Wellington New Zealand Village - 11 km
Carterton Wellington New Zealand Village 4300 people 12 km
Woodside Wellington New Zealand Village - 15 km
Greytown Wellington New Zealand Village 2100 people 17 km
Masterton Wellington New Zealand City 20000 people 17 km
Kopuaranga Wellington New Zealand Village - 21 km
Featherston Wellington New Zealand Village 2400 people 22 km
Gladstone Wellington New Zealand Village - 23 km
Mauriceville West Wellington New Zealand Village - 27 km
Mauriceville Wellington New Zealand Village - 27 km
Wellington Wellington New Zealand Capital 180000 people 71 km

see full list

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
Masterton MRO 111 Civ. Paved No 4100 15 km
Paraparaumu PPQ 7 Civ. Paved Yes 4400 40 km

Ports

Name LOCODE Country Distance
Porirua New Zealand 47 km
Riverdale New Zealand 52 km
Lower Hutt New Zealand 55 km
Petone New Zealand 58 km

Dams

Reservoir Dam Name River Year Distance
Te Marua 2 Hutt 1985 31 km
Te Marua 1 Hutt 1986 31 km

More information

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