M 5.5 in South Of Fiji Islands on 12 Jan 2023 16:28 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: 5.5M
Depth: 596.448 Km
Lat/Lon: -21.9081 , 179.7517
Event Date: 12 Jan 2023 16:28 UTC
13 Jan 2023 04:28 Local
Exposed Population:
Source: NEIC us7000j3xh
Inserted at: 12 Jan 2023 16:49 UTC
INFORM Coping capacity of the alert score: 1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000j3xh Scaled population (vector) 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
1483366 0 12 Jan 2023 16:28 5.5M, 596.448km 1.16 No people affected (in 100km) 00:20 NEIC
1483505 0 12 Jan 2023 16:28 5.5M, 597.8km 1.15 No people affected (in 100km) 1d 01:22 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 1483366 179.752/-21.908 5.5 596.4 1.16 12 Jan 2023 16:54 00:25 (new episode)
2 0 1483366 179.752/-21.908 5.5 596.4 1.16 12 Jan 2023 18:33 02:04 (upd of #1)
3 0 1483366 179.752/-21.908 5.5 596.4 1.16 13 Jan 2023 16:40 1d 00:11 (upd of #2)
4 0 1483505 179.698/-21.894 5.5 597.8 1.151 16 Jan 2023 07:14 3d 14:45 (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.