M 5.5 in Fiji on 11 Mar 2023 13:29 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: 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)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 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.

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
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 in Fiji ,of Fiji (population 755,000) . The alertlevel for this event is GREEN

Intensity Population
<1000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1494751 177.462/-16.35 5.5 10 4.396 11 Mar 2023 13:52 00:22 (new episode)
2 0 1494751 177.462/-16.35 5.5 10 4.396 11 Mar 2023 15:33 02:03 (upd of #1)
3 0 1494751 177.462/-16.35 5.5 10 4.396 12 Mar 2023 13:40 1d 00:10 (upd of #2)
4 0 1494751 177.462/-16.35 5.5 10 4.396 14 Mar 2023 04:40 2d 15:10 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Fiji Fiji 1400 people
Fiji Fiji 250000 people

Affected populated places. Areas of interest

Intensity 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
Matayalevu Fiji Village - 72 km
Somosomo Fiji City - 86 km
Sorokoba Fiji Village - 125 km
Soso Fiji Village - 89 km
Savu Sau Fiji Village - 119 km
Yangganga Fiji Village - 125 km
Navinggiri Fiji Village - 126 km
Tavua Fiji City 2600 people 128 km
Nailanga Fiji Village - 129 km
Rabulu Fiji Village - 130 km
Togowere Fiji Village - 131 km
Ba Fiji City 20000 people 131 km
Ndalomo Fiji Village - 133 km
Rakiraki Fiji Village 6500 people 134 km
Vatukoula Fiji City 10000 people 134 km
Vaileka Fiji Village - 138 km
Naruwai Fiji Village - 139 km
Nawailevu Fiji Village - 139 km
Lautoka Fiji City 49000 people 139 km
Nanukuloa Fiji Village - 147 km
Namaka Fiji Village - 157 km
Nausori Fiji Village - 157 km
Nadi Fiji Major city 54000 people 161 km
Ndaria Fiji Village - 161 km
Naravuka Fiji Village - 177 km
Vunindawa Fiji Village - 188 km
Mbatiri Fiji Village - 192 km
Levuka Fiji City 4700 people 207 km
Nausori Fiji City 32000 people 218 km

see full list


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
Turtle Island TTL unknown 0 66 km
Bua BVF unknown 0 133 km
Ba BFJ unknown 0 135 km
Castaway CST unknown 0 145 km
Nadi International NAN 18 Civ. Paved Yes 10500 155 km
Natadola NTA unknown 0 192 km

Ports

Intensity Name LOCODE Country Distance
Vatia FJVAT Fiji 121 km
Lautoka FJLTK Fiji 139 km

More information

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