M 4.9 in Vanuatu Islands on 31 May 2020 11:11 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: 4.9M
Depth: 60.67 Km
Lat/Lon: -15.6275 , 168.2456
Event Date: 31 May 2020 11:11 UTC
31 May 2020 22:11 Local
Exposed Population:
About 51000 people within 100km
Source: NEIC us6000a353
Inserted at: 31 May 2020 11:40 UTC
INFORM Coping capacity of the alert score
6.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000a353 Scaled population (vector) 5.29  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1.12  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1313416 0 31 May 2020 11:11 4.9M, 60.67km N/A 50 thousand (in 100km) 00:28 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 Abatabanga, Lonbilingdoun, Longang, Lolowaï, Lolovélé, Narovorovo, Lowitava, Lolopuépué, Olal, Walurigi, and Ranvetlam.

Radius Population
100 km 51000 people
75 km 38000 people
50 km 28000 people
20 km 16000 people
10 km 3000 people
5 km <1000 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
Abatabanga Vanuatu Village - 15 km
Lonbilingdoun Vanuatu Village - 31 km
Longang Vanuatu Village - 43 km
Lolowaï Vanuatu Village - 45 km
Lolovélé Vanuatu Village - 46 km
Narovorovo Vanuatu Village - 51 km
Lowitava Vanuatu Village - 52 km
Lolopuépué Vanuatu Village - 53 km
Olal Vanuatu Village - 54 km
Walurigi Vanuatu Village - 56 km
Linbul Vanuatu Village - 57 km
Duin Dui Vanuatu Village - 59 km
Fonwor Vanuatu Village - 61 km
Walaha Vanuatu Village - 62 km
Ranvetlam Vanuatu Village - 62 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
Sara SSR unknown 0 20 km
Longana LOD unknown 0 46 km
Redcliffe RCL unknown 0 47 km
Walaha WLH unknown 0 64 km
Maewo MWF unknown 0 72 km
Ulei ULB unknown 0 78 km

Ports

Name LOCODE Country Distance
Pentecost Island Vanuatu 14 km
Maewo Island Vanuatu 53 km
Ambryn Island Vanuatu 70 km

More information

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