M 4.5 in Vanuatu on 31 Oct 2021 15:35 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: 4.5M
Depth: 37.36 Km
Lat/Lon: -15.2611 , 167.4797
Event Date: 31 Oct 2021 15:35 UTC
01 Nov 2021 02:35 Local
Exposed Population:
100 thousand in 100km
Source: NEIC us7000fqab
Inserted at: 31 Oct 2021 16:04 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
us7000fqab Scaled population (vector) 4.98  
  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
1405998 0 31 Oct 2021 15:35 4.5M, 37.36km N/A 100 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 Walaha, Duin Dui, Coulons, Longtal, Saraotou, Lowarhé, Palikoulo, Walurigi, Hog Harbour, Lolopuépué, and Wulakarakara.

Radius Population
100 km 97000 people
75 km 60000 people
50 km 41000 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
Solomon Is. Solomon Islands 370000 people

Affected populated places

Name Region Province Country City class Population Distance
Walaha Vanuatu Village - 30 km
Duin Dui Vanuatu Village - 33 km
Coulons Vanuatu Village - 35 km
Longtal Vanuatu Village - 35 km
Saraotou Vanuatu Village - 36 km
Lowarhé Vanuatu Village - 38 km
Palikoulo Vanuatu Village - 38 km
Walurigi Vanuatu Village - 38 km
Hog Harbour Vanuatu Village - 41 km
Lolopuépué Vanuatu Village - 43 km
Féléa Vanuatu Village - 43 km
Ouere Vanuatu Village - 44 km
Napil Vanuatu Village - 45 km
Luganville Vanuatu Village 13000 people 45 km
Lolovélé Vanuatu Village - 46 km
Lowitava Vanuatu Village - 46 km
Tambalato Vanuatu Village - 46 km
Segond Vanuatu Village - 49 km
Lowérié Vanuatu Village - 50 km
Longang Vanuatu Village - 52 km
Iakobone Vanuatu Village - 54 km
Fwimatal Vanuatu Village - 55 km
Tatafo Vanuatu Village - 56 km
Lolowaï Vanuatu Village - 56 km
Lavatavo Vanuatu Village - 57 km
Ladhu Vanuatu Village - 58 km
Asavagas Vanuatu Village - 59 km
Abnetare Vanuatu Village - 60 km
Maloevole Vanuatu Village - 62 km
Narango Vanuatu Village - 63 km
Worovok Vanuatu Village - 63 km
Térou Vanuatu Village - 66 km
Bakakara Vanuatu Village - 68 km
Youelapa Vanuatu Village - 68 km
Wulakarakara Vanuatu Village - 70 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
Walaha WLH unknown 0 28 km
Santo Pekoa International SON 56 Civ. Paved Yes 6500 39 km
Redcliffe RCL unknown 0 45 km
Longana LOD unknown 0 53 km
Maewo MWF unknown 0 71 km
Sara SSR unknown 0 76 km
Big Bay GBA unknown 0 88 km

Ports

Name LOCODE Country Distance
Turtle Bay Vanuatu 33 km
Palikoulo Bay Vanuatu 37 km
Santo VUSAN Vanuatu 43 km
Hog Harbor Vanuatu 43 km
Maewo Island Vanuatu 75 km
Pentecost Island Vanuatu 94 km

More information

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