M 6.4 in Vanuatu on 20 Sep 2017 20:09 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: 6.4M
Depth: 200.19 Km
Lat/Lon: -18.7978 , 169.0947
Event Date: 20 Sep 2017 20:09 UTC
21 Sep 2017 07:09 Local
Exposed Population: About 35000 people within 100km
Source: NEIC us2000as2f
Inserted at: 20 Sep 2017 20:29 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
us2000as2f Scaled population (vector) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1181349 0 20 Sep 2017 20:09 6.5M, 196.8km N/A 30 thousand (in 100km) 00:07 PTWC
1181351 0 20 Sep 2017 20:09 6.5M, 196km N/A 30 thousand (in 100km) 00:10 NTWC    
1181352 0 20 Sep 2017 20:09 6.4M, 200.19km 4.04 N/A (in MMI>=VII) 00:19 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, Navolou, Potnarvin, Happy Land, Umpon Mompu, Rampunalvat, Ipota, Yawisaghuwi, Ifo, Loounimhapeun, and Laounalang.

Radius Population
100 km 35000 people
75 km 7700 people
50 km 4400 people
20 km 3700 people
10 km 1300 people
5 km <1000 people
2 km <1000 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 - 9 km
Navolou Vanuatu Village - 9 km
Potnarvin Vanuatu Village - 13 km
Happy Land Vanuatu Village - 13 km
Umpon Mompu Vanuatu Village - 17 km
Rampunalvat Vanuatu Village - 18 km
Ipota Vanuatu Village - 21 km
Yawisaghuwi Vanuatu Village - 24 km
Ifo Vanuatu Village - 28 km
Loounimhapeun Vanuatu Village - 65 km
Loounémeloupang Vanuatu Village - 65 km
Lownepina Vanuatu Village - 66 km
Laounalang 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 10 km
Ipota IPA unknown 0 21 km
Aniwa AWD unknown 0 72 km
White Grass 6 Civ. Paved Yes 5000 74 km
Tanna Island Tanna TAH unknown 0 74 km

Ports

Name LOCODE Country Distance
Tana Island Vanuatu 80 km

More information

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