M 5.5 in Fiji on 11 Mar 2023 13:29 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: 5.5M
Depth: 10 Km
Lat/Lon: -16.3501 , 177.4615
Event Date: 11 Mar 2023 13:29 UTC
12 Mar 2023 01:29 Local
Exposed Population: 8 thousand in MMI IV
Source: NEIC us7000jj4s
Inserted at: 11 Mar 2023 13:49 UTC
INFORM Coping capacity of the alert score
1.1 (Fiji)


For more info on GDACS alert score click here.
GDACS score
NEIC 0 0
us7000jj4s Scaled population (vector) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1494751 0 11 Mar 2023 13:29 5.5M, 10km 4.4 N/A (in MMI>=VII) 00:19 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 off shore.

Radius Population
100 km 4600 people
75 km 2800 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Affected populated places

Name Region Province Country City class Population Distance
Yasawairara Fiji Village - 41 km
Mbukama Fiji Village - 47 km
Teci Fiji Village - 49 km
Tamusua Fiji Village - 54 km
Navotua Fiji Village - 58 km
Nacula Fiji Village - 61 km
Sisili Fiji Village - 64 km
Matacawalevu Fiji Village - 68 km

see full list

Critical infrastructure

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


Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Turtle Island TTL unknown 0 66 km

More information

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