M 5.5 in Vanuatu on 20 Nov 2021 10:57 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: 5.5M
Depth: 128.88 Km
Lat/Lon: -15.6022 , 167.5931
Event Date: 20 Nov 2021 10:57 UTC
20 Nov 2021 21:57 Local
Exposed Population: 120 thousand in 100km
Source: NEIC us7000fvq5
Inserted at: 20 Nov 2021 11:21 UTC
INFORM Coping capacity of the alert score
6.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000fvq5 Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  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
1411008 0 20 Nov 2021 10:57 5.5M, 128.88km 4.23 N/A (in MMI>=VII) 00:24 NEIC
1411060 0 20 Nov 2021 10:57 5.6M, 127.94km 4.32 N/A (in MMI>=VII) 07:30 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, Lolovélé, Walurigi, Palikoulo, Asavagas, Lolopuépué, Vao, Saraotou, Longang, and Tatafo.

Radius Population
100 km 120000 people
75 km 88000 people
50 km 35000 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
Walaha Vanuatu Village - 24 km
Duin Dui Vanuatu Village - 31 km
Lolovélé Vanuatu Village - 31 km
Walurigi Vanuatu Village - 39 km
Palikoulo Vanuatu Village - 40 km
Asavagas Vanuatu Village - 41 km
Lolopuépué Vanuatu Village - 44 km
Vao Vanuatu Village - 46 km
Saraotou Vanuatu Village - 47 km
Longang Vanuatu Village - 47 km
Lowitava Vanuatu Village - 48 km
Laruru Vanuatu Village - 48 km
Luganville Vanuatu Village 13000 people 48 km
Segond Vanuatu Village - 50 km
Wowo Vanuatu Village - 52 km
Tambalato Vanuatu Village - 55 km
Abnetare Vanuatu Village - 55 km
Lolowaï Vanuatu Village - 55 km
Coulons Vanuatu Village - 55 km
Napil Vanuatu Village - 55 km
Norsup Vanuatu Village 3000 people 56 km
Maé Vanuatu Village - 56 km
Ouere Vanuatu Village - 58 km
Lakatoro Vanuatu Village <1000 people 59 km
Féléa Vanuatu Village - 60 km
Longtal Vanuatu Village - 62 km
Abatabanga Vanuatu Village - 62 km
Fwimatal Vanuatu Village - 64 km
Amokh Vanuatu Village - 65 km
Tenmaru Vanuatu Village - 65 km
Katbol Vanuatu Village - 66 km
Laravet Vanuatu Village - 68 km
Narango Vanuatu Village - 68 km
Brenwe Vanuatu Village - 68 km
Lowarhé Vanuatu Village - 68 km
Limap Vanuatu Village - 69 km
Tatafo Vanuatu 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
Walaha WLH unknown 0 24 km
Redcliffe RCL unknown 0 30 km
Santo Pekoa International SON 56 Civ. Paved Yes 6500 41 km
Longana LOD unknown 0 52 km
Big Bay GBA unknown 0 56 km
Sara SSR unknown 0 62 km
Craig Cove CCV unknown 0 67 km
Maewo MWF unknown 0 85 km

Ports

Name LOCODE Country Distance
Palikoulo Bay Vanuatu 42 km
Santo VUSAN Vanuatu 45 km
Turtle Bay Vanuatu 52 km
Pentecost Island Vanuatu 67 km
Hog Harbor Vanuatu 74 km
Maewo Island Vanuatu 80 km
Ambryn Island Vanuatu 94 km
Port Sandwich VUPSA Vanuatu 96 km

More information

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