M 5.4 in Samoa on 15 Jun 2018 13:18 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: 5.4M
Depth: 55 Km
Lat/Lon: -15.4115 , -172.8372
Event Date: 15 Jun 2018 13:18 UTC
15 Jun 2018 01:18 Local
Exposed Population: No people within 100km
Source: NEIC us1000esbn
Inserted at: 16 Jun 2018 11:55 UTC
INFORM Coping capacity of the alert score: 1.1 (Samoa)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us1000esbn 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
1214540 0 15 Jun 2018 13:18 5.6M, 10km 3.79 N/A (in MMI>=VII) 00:22 NEIC
1214676 0 15 Jun 2018 13:18 5.4M, 55km 3.37 N/A (in MMI>=VII) 22:36 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 Samoa ,of Samoa (population 150,714) . 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 1214540 -15.397/-173.004 5.6 10 3.79 15 Jun 2018 13:45 00:26 (new episode)
2 0 1214540 -15.397/-173.004 5.6 10 3.79 15 Jun 2018 15:26 02:07 (upd of #1)
3 0 1214676 -15.397/-173.004 5.6 10 3.79 16 Jun 2018 11:55 22:36 (new episode)
4 0 1214676 -15.412/-172.837 5.4 55 3.37 16 Jun 2018 12:00 22:42 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Samoa Samoa 150000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Falehau Tonga Village - 112 km
Hihifo Tonga Village <1000 people 116 km
Matautu Samoa Village <1000 people 186 km
Gautavai Samoa Village <1000 people 188 km
Faleaseela Samoa Village - 189 km
Samatau Samoa Village <1000 people 189 km
Salailua Samoa Village <1000 people 191 km
Satupaitea Samoa Village - 193 km
Siumu Samoa Village 1100 people 193 km
Fuailalo Samoa Village - 195 km
Poutasi Samoa Village <1000 people 198 km
Fasitootai Samoa Village - 199 km
Salelologa Samoa Village - 199 km
Falelima Samoa Village <1000 people 202 km
Lotofago Samoa Village - 205 km
Saleimoa Samoa Village - 206 km
Tuasivi Samoa Village <1000 people 206 km
Utuavanua Samoa Village - 210 km
Apia Samoa Capital 40000 people 210 km
Falealupo Samoa Village <1000 people 212 km
Puapua Samoa Village <1000 people 213 km
Matavanu Crater Samoa Village - 214 km
Solosolo Samoa Village 1500 people 214 km
Amaile Samoa Village <1000 people 219 km
Sasina Samoa Village <1000 people 220 km
Leagiaga Samoa Village - 222 km
Fagamalo Samoa Village <1000 people 225 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
Lalomalava LAV unknown 0 188 km
Maota MXS unknown 0 196 km
Faleolo APW 18 Civ. Paved Yes 8800 196 km

Ports

Intensity Name LOCODE Country Distance
Apia WSAPW Samoa 211 km
Apia Samoa 226 km

More information

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