M 5.1 in Vanuatu on 21 Aug 2016 02:30 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This is a preliminary assessment. The final GDACS Alert Level has been/will be published using more detailed information.

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 5.1M
Depth: 96.53 Km
Lat/Lon: -14.7816 , 167.1982
Event Date: 21 Aug 2016 02:30 UTC
21 Aug 2016 13:30 Local
Exposed Population:
About 56933 people within 100km
Source: NEIC us10006fi6
Inserted at: 21 Aug 2016 02:54 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
us10006fi6 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
1137270 n.a 21 Aug 2016 02:30 5.1M, 96.53km N/A 60 thousand (in 100km) 00:23 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 Iakobone, Lavatavo, Hog Harbour, Lowarhé, Ladhu, Lowérié, Wora, Longtal, Piapouria, and Worovok.

Radius Population
100 km 57000 people
75 km 24000 people
50 km 6200 people
20 km <1000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Vanuatu Vanuatu 170000 people

Affected populated places

Name Region Province Country City class Population Distance
Iakobone Vanuatu Village - 31 km
Lavatavo Vanuatu Village - 36 km
Hog Harbour Vanuatu Village - 40 km
Lowarhé Vanuatu Village - 44 km
Ladhu Vanuatu Village - 45 km
Lowérié Vanuatu Village - 48 km
Wora Vanuatu Village - 50 km
Longtal Vanuatu Village - 51 km
Piapouria Vanuatu Village - 52 km
Worovok Vanuatu Village - 54 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
Olpoi Nw Santo OLJ unknown 0 70 km
Santo Pekoa International SON 56 Civ. Paved Yes 6500 80 km
Walaha WLH unknown 0 88 km

Ports

Name LOCODE Country Distance
Hog Harbor Vanuatu 41 km
Turtle Bay Vanuatu 62 km
Palikoulo Bay Vanuatu 78 km
Santo VUSAN Vanuatu 81 km
Banks Island Vanuatu 98 km

More information

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