M 5.8 in Vanuatu on 21 Apr 2009 00:53 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: 5.8M
Depth: 42.6 Km
Lat/Lon: -19.7571 , 169.87
Event Date: 21 Apr 2009 00:53 UTC
21 Apr 2009 11:53 Local
Exposed Population:
About 30123 people within 100km
Source: NEIC
Inserted at: 21 Apr 2009 15:10 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
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
55896 0 21 Apr 2009 00:53 5.6M, 45km N/A 30 thousand (in 100km) 00:12 NEIC
55897 0 21 Apr 2009 00:53 5.7M, 59km N/A 30 thousand (in 100km) 00:17 NEIC
55898 0 21 Apr 2009 00:53 5.9M, 35km N/A 30 thousand (in 100km) 00:22 NEIC
55901 0.5 21 Apr 2009 00:53 5.7M, 62km N/A 30 thousand (in 100km) 00:32 GEOFON
55933 0 21 Apr 2009 00:53 5.8M, 40km N/A 30 thousand (in 100km) 06:16 NEIC
55971 0 21 Apr 2009 00:53 5.8M, 42.6km N/A 30 thousand (in 100km) 14:17 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 Vanuatu , of Vanuatu (population 165,000) . The nearest places are Ireupuow, Imareukak, Yokopenan, Ombous, White Sands, Yeruareng, Mohoun'gha, Loanengo, Isaka, Ipao, and Loounémeloupang.

Radius Population
100 km 30000 people
75 km 30000 people
50 km 8100 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Vanuatu Vanuatu 170000 people
New Caledonia New Caledonia 180000 people

Affected populated places

Name Region Province Country City class Population Distance
Ireupuow Vanuatu Village - 38 km
Imareukak Vanuatu Village - 39 km
Yokopenan Vanuatu Village - 39 km
Ombous Vanuatu Village - 39 km
White Sands Vanuatu Village - 43 km
Yeruareng Vanuatu Village - 44 km
Mohoun'gha Vanuatu Village - 44 km
Loanengo Vanuatu Village - 44 km
Isaka Vanuatu Village - 46 km
Ipao Vanuatu Village - 47 km
Waisisi Vanuatu Village - 49 km
Port Patrick Vanuatu Village - 51 km
Yérou Vanuatu Village - 52 km
Isavaï Vanuatu Village - 53 km
Imwareupo Vanuatu Village - 53 km
Isino Vanuatu Village - 56 km
Isangel Vanuatu Village 1400 people 59 km
Loonélapeun Vanuatu Village - 59 km
Lowkahmal Vanuatu Village - 59 km
Lénakel Vanuatu Village - 60 km
Anelghowhat Vanuatu Village - 61 km
Umetch Vanuatu Village - 62 km
Iléreup Vanuatu Village - 62 km
Lownepina Vanuatu Village - 63 km
Loanatom Vanuatu Village - 63 km
Laounalang Vanuatu Village - 63 km
Loounimhapeun Vanuatu Village - 66 km
Loounémeloupang Vanuatu Village - 68 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
Futuna Island FTA unknown 0 47 km
Aniwa AWD unknown 0 55 km
Tanna Island Tanna TAH unknown 0 67 km
White Grass 6 Civ. Paved Yes 5000 67 km

Ports

Name LOCODE Country Distance
Tana Island Vanuatu 53 km
Aneityum Island Vanuatu 61 km

More information

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