M 6.7 in Vanuatu on 21 Aug 2018 22:32 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: 6.7M
Depth: 10 Km
Lat/Lon: -16.061 , 168.133
Event Date: 21 Aug 2018 22:32 UTC
22 Aug 2018 09:32 Local
Exposed Population: About 86000 people within 100km
Source: PTWC pt18233001
Inserted at: 21 Aug 2018 22:44 UTC
INFORM Coping capacity of the alert score
6.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0.9 0.2 0.9
pt18233001 Scaled population (vector) 5.02 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0.21m  
  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
1225297 0.7 21 Aug 2018 22:32 6.5M, 10km N/A 90 thousand (in 100km) 0.2m (at 00:23) 00:07 GEOFON
1225298 0.9 21 Aug 2018 22:32 6.7M, 10km N/A 90 thousand (in 100km) 0.3m (at 00:00) 00:10 NTWC    
1225300 0.9 21 Aug 2018 22:32 6.7M, 10km N/A 90 thousand (in 100km) 0.2m (at 00:03) 00:11 PTWC
1225304 0.1 21 Aug 2018 22:32 6.7M, 30.34km N/A N/A (in MMI>=VII) 0.1m (at 01:49) 00:20 NEIC
1225308 0.2 21 Aug 2018 22:32 6.5M, 13.44km 6.56 427 (in MMI>=VII) 0.1m (at 00:23) 00:52 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 Olal, Linbul, Fonwor, Ranvetlam, Lonbilingdoun, Endu Pahakol, Yaotilie, Yélowouwou, Port-Vato, Fali, and Tavio.

Radius Population
100 km 86000 people
75 km 54000 people
50 km 24000 people
20 km 5300 people
10 km 2200 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
Olal Vanuatu Village - 6 km
Linbul Vanuatu Village - 9 km
Fonwor Vanuatu Village - 15 km
Ranvetlam Vanuatu Village - 15 km
Lonbilingdoun Vanuatu Village - 17 km
Endu Pahakol Vanuatu Village - 26 km
Yaotilie Vanuatu Village - 29 km
Yélowouwou Vanuatu Village - 33 km
Port-Vato Vanuatu Village - 33 km
Fali Vanuatu Village - 34 km
Pawe Vanuatu Village - 34 km
Toak Vanuatu Village - 35 km
Liro Vanuatu Village - 46 km
Lulep Nesa Vanuatu Village - 47 km
Tafoualé Vanuatu Village - 48 km
Vaoleli Vanuatu Village - 51 km
Ignal Vanuatu Village - 52 km
Lambulmbatuei Vanuatu Village - 55 km
Lamap Vanuatu Village - 56 km
Bourbar Vanuatu Village - 57 km
Halos Vanuatu Village - 58 km
Rerep Vanuatu Village - 58 km
Abatabanga Vanuatu Village - 59 km
Païa Vanuatu Village - 59 km
Lamarou Vanuatu Village - 60 km
Mériver Vanuatu Village - 61 km
Roghumbo Vanuatu Village - 62 km
Peskarüs Vanuatu Village - 63 km
Lamen Vanuatu Village - 63 km
Nikaura Vanuatu Village - 67 km
Ponkovia Vanuatu Village - 68 km
Tavio 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
Ulei ULB unknown 0 35 km
Lamen Bay LNB unknown 0 59 km
Sara SSR unknown 0 64 km
Craig Cove CCV unknown 0 71 km
Redcliffe RCL unknown 0 72 km
Epi EPI unknown 0 80 km
Valesdir VLS unknown 0 83 km
Longana LOD unknown 0 85 km
Big Bay GBA unknown 0 85 km
Walaha WLH unknown 0 86 km
South West Bay SWJ unknown 0 90 km

Ports

Name LOCODE Country Distance
Ambryn Island Vanuatu 22 km
Pentecost Island Vanuatu 34 km
Port Sandwich VUPSA Vanuatu 59 km
Maewo Island Vanuatu 99 km

More information

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