M 5.5 in Vanuatu on 22 Jul 2018 21:21 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: 99.82 Km
Lat/Lon: -18.9336 , 168.9131
Event Date: 22 Jul 2018 21:21 UTC
23 Jul 2018 08:21 Local
Exposed Population: About 36000 people within 100km
Source: NEIC us2000gbew
Inserted at: 22 Jul 2018 21:37 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
us2000gbew Scaled population (vector) 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
1220801 0 22 Jul 2018 21:21 5.5M, 99.82km 3.93 N/A (in MMI>=VII) 00:15 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 Unpongkor, Happy Land, Navolou, Umpon Mompu, Yawisaghuwi, Potnarvin, Rampunalvat, Ipota, Ifo, Loounémeloupang, and Iléreup.

Radius Population
100 km 36000 people
75 km 17000 people
50 km 4400 people
20 km 1500 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
Unpongkor Vanuatu Village - 17 km
Happy Land Vanuatu Village - 19 km
Navolou Vanuatu Village - 22 km
Umpon Mompu Vanuatu Village - 27 km
Yawisaghuwi Vanuatu Village - 34 km
Potnarvin Vanuatu Village - 37 km
Rampunalvat Vanuatu Village - 37 km
Ipota Vanuatu Village - 40 km
Ifo Vanuatu Village - 44 km
Loounémeloupang Vanuatu Village - 60 km
Loounimhapeun Vanuatu Village - 61 km
Lownepina Vanuatu Village - 64 km
Laounalang Vanuatu Village - 64 km
Iléreup 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
Dillons Bay DLY unknown 0 20 km
Ipota IPA unknown 0 40 km
White Grass 6 Civ. Paved Yes 5000 66 km
Tanna Island Tanna TAH unknown 0 66 km
Aniwa AWD unknown 0 80 km

Ports

Name LOCODE Country Distance
Tana Island Vanuatu 76 km

More information

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