M 6.6 in Vanuatu on 31 Jul 2019 15:02 UTC

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: 6.6M
Depth: 179.11 Km
Lat/Lon: -16.1638 , 167.9462
Event Date: 31 Jul 2019 15:02 UTC
01 Aug 2019 02:02 Local
Exposed Population: About 1000 people in MMI
About 86000 people within 100km
Source: NEIC us60004xz4
Inserted at: 01 Aug 2019 15:10 UTC
INFORM Coping capacity of the alert score: 6.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us60004xz4 Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1.12      
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1267679 0 31 Jul 2019 15:02 6.5M, 197km N/A No people affected (in 100km) 0m (at 00:00) 00:08 GEOFON
1267680 0.1 31 Jul 2019 15:02 6.6M, 166.9km N/A 90 thousand (in 100km) 0m (at 00:00) 00:11 PTWC
1267681 0.1 31 Jul 2019 15:02 6.6M, 167km N/A 80 thousand (in 100km) 0m (at 00:00) 00:13 NTWC
1267684 0 31 Jul 2019 15:02 6.6M, 179.11km 4.55 N/A (in MMI>=VII) 0m (at 00:00) 1d 00:08 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 unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
1100 people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1267684 -16.164/167.946 6.6 179.1 4.553 31 Jul 2019 15:24 00:21 (new episode)
2 0 1267684 -16.164/167.946 6.6 179.1 4.553 31 Jul 2019 17:06 02:03 (upd of #1)
3 0 1267684 -16.164/167.946 6.6 179.1 4.553 01 Aug 2019 15:10 1d 00:08 (upd of #2)

Affected Provinces



Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

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