M 5.7 in Vanuatu on 07 Oct 2025 22:36 UTC

Hazard models

Rapid Impact
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: 5.7M
Depth: 35 Km
Lat/Lon: -15.643 , 168.1561
Event Date: 07 Oct 2025 22:36 UTC
08 Oct 2025 09:36 Local
Exposed Population: 5 thousand in MMI V
Source: NEIC us6000rfhk
Inserted at: 08 Oct 2025 00:06 UTC
INFORM Coping capacity of the alert score: 6.1 (Vanuatu)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000rfhk Scaled population (raster) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
  Score no CC 0  
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

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1664765 0 07 Oct 2025 22:36 5.7M, 35km 4.95 N/A (in MMI>=VII) 00:23 NEIC
1664776 0 07 Oct 2025 22:36 5.7M, 35km 5.16 N/A (in MMI>=VII) 01:29 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 alertlevel for this event is GREEN

Intensity Population
4700 people


Shakemaps Timeline

LevelShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1664765 168.092/-15.659 5.7 35 4.953 07 Oct 2025 23:06 00:30 (new episode)
2 0 1664776 168.156/-15.643 5.7 35 5.071 08 Oct 2025 00:12 01:35 (new episode)
3 0 1664776 168.156/-15.643 5.7 35 5.071 08 Oct 2025 01:06 02:29 (upd of #2)
4 0 1664776 168.156/-15.643 5.7 35 5.16 09 Oct 2025 14:01 1d 15:25 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Vanuatu Vanuatu 4100 people
Vanuatu Vanuatu 35000 people
Vanuatu Vanuatu 68000 people


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Sara SSR unknown 0 19 km
Redcliffe RCL unknown 0 39 km
Longana LOD unknown 0 43 km
Walaha WLH unknown 0 56 km
Maewo MWF unknown 0 72 km
Ulei ULB unknown 0 77 km
Craig Cove CCV unknown 0 93 km
Big Bay GBA unknown 0 97 km
Santo Pekoa International SON 56 Civ. Paved Yes 6500 101 km
Lamen Bay LNB unknown 0 104 km
South West Bay SWJ unknown 0 122 km
Epi EPI unknown 0 124 km
Valesdir VLS unknown 0 128 km
Sangafa 2 Civ. Unpaved No 3200 161 km

Ports

Intensity Name LOCODE Country Distance
Pentecost Island Vanuatu 13 km
Maewo Island Vanuatu 54 km
Ambryn Island Vanuatu 67 km
Port Sandwich VUPSA Vanuatu 98 km
Palikoulo Bay Vanuatu 102 km
Santo VUSAN Vanuatu 106 km
Turtle Bay Vanuatu 109 km

More information

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