M 4.6 in New Zealand on 25 Apr 2005 08:19 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: Km
Lat/Lon: -45.94 , 166.98
Event Date: 25 Apr 2005 08:19 UTC
25 Apr 2005 20:19 Local
Exposed Population:
about 6000 people within 100km
Source: NEIC
Inserted at: 26 Apr 2005 18:31 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
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
11270 0.5 25 Apr 2005 08:19 4.6M, 92km N/A 6 thousand (in 100km) 1d 10:12 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 Southland (population 34,612) . The nearest places are Port Craig, Wairoto, Papatotara, Clifden, Tuatapere, Te Tua, Te Waewae, Piko Piko, Eastern Bush, Orawia, and Merrivale.

Radius Population
100 km 14000 people
75 km 4100 people
50 km <1000 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Southland New Zealand 35000 people

Affected populated places

Name Region Province Country City class Population Distance
Port Craig Southland New Zealand Village - 42 km
Wairoto Southland New Zealand Village - 48 km
Papatotara Southland New Zealand Village - 56 km
Clifden Southland New Zealand Village - 58 km
Tuatapere Southland New Zealand Village <1000 people 59 km
Te Tua Southland New Zealand Village - 60 km
Te Waewae Southland New Zealand Village - 60 km
Piko Piko Southland New Zealand Village - 61 km
Eastern Bush Southland New Zealand Village - 61 km
Orawia Southland New Zealand Village - 64 km
Manapouri Southland New Zealand Village <1000 people 64 km
Waihoaka Southland New Zealand Village - 64 km
Pukemaori Southland New Zealand Village - 65 km
Birchwood Southland New Zealand Village - 68 km
Merrivale Southland New Zealand Village - 69 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
Manapouri TEU 209 Civ. Paved No 5000 69 km

Ports

Name LOCODE Country Distance
Cape Providence New Zealand 41 km
Orepuki New Zealand 73 km
Doubtful Sound NZDGO New Zealand 73 km
Secretary Island New Zealand 75 km
Riverton New Zealand 90 km

Dams

Reservoir Dam Name River Year Distance
Manapouri Manapouri Lake Control Waiau 1975 64 km
Te Anau Te Anau Lake Control Upper Waiau 1975 78 km

More information

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