M 5.6 in Wallis and Futuna on 17 Sep 2020 17:01 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: 5.6M
Depth: 10 Km
Lat/Lon: -16.5089 , -177.2759
Event Date: 17 Sep 2020 17:01 UTC
17 Sep 2020 05:01 Local
Exposed Population: No people within 100km
Source: NEIC us7000bphn
Inserted at: 18 Sep 2020 17:05 UTC
INFORM Coping capacity of the alert score: 1.1 (Wallis & Futuna)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000bphn Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
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
1333325 0 17 Sep 2020 17:01 5.4M, 12.51km 2.97 N/A (in MMI>=VII) 00:22 NEIC
1333329 0 17 Sep 2020 17:01 5.6M, 10km 3.12 N/A (in MMI>=VII) 1d 00:04 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
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1333325 -16.513/-177.269 5.4 12.5 2.966 17 Sep 2020 17:24 00:22 (new episode)
2 0 1333329 -16.509/-177.276 5.6 10.0 3.123 17 Sep 2020 18:24 01:22 (new episode)
3 0 1333329 -16.509/-177.276 5.6 10.0 3.123 17 Sep 2020 19:04 02:03 (upd of #2)
4 0 1333329 -16.509/-177.276 5.6 10.0 3.123 18 Sep 2020 17:05 1d 00:04 (upd of #3)

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.