M 5.6 in South Of Fiji Islands from 31 May 2020 23:25 UTC to 23:25

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: 99.61 Km
Lat/Lon: -23.8705 , -176.5661
Event Date: 31 May 2020 23:25 UTC
31 May 2020 11:25 Local
Exposed Population: No people within 100km
Source: NEIC us6000a3cn
Inserted at: 01 Jun 2020 04:16 UTC
INFORM Coping capacity of the alert score: 1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000a3cn 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
1313483 0 31 May 2020 23:25 5.6M, 118.76km N/A No people affected (in 100km) 02:01 NEIC
1313525 0 31 May 2020 23:25 5.6M, 99.61km N/A No people affected (in 100km) 04:50 NEIC
1313622 0 31 May 2020 23:25 5.8M, 128km N/A No people affected (in 100km) 1d 00:02 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


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1313483 -23.925/-176.638 5.6 118.8 None 31 May 2020 23:45 00:19 (new episode)
2 0 1313483 -23.901/-176.665 5.6 108.2 None 31 May 2020 23:59 00:33 (upd of #1)
3 0 1313483 -23.901/-176.665 5.6 108.2 None 01 Jun 2020 01:27 02:01 (upd of #2)
4 0 1313525 -23.87/-176.566 5.6 99.6 None 01 Jun 2020 04:16 04:50 (new episode)
5 0 1313622 -23.87/-176.566 5.6 99.6 None 01 Jun 2020 23:28 1d 00:02 (new episode)

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.