M 5.6 in Samoa from 15 Jun 2018 13:18 UTC to 13:18
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: 10 Km
Lat/Lon: -15.3967 , -173.0035
Event Date: 15 Jun 2018 13:18 UTC
15 Jun 2018 01:18 Local
Exposed Population: About 100 people within 100km
Source: NEIC us1000esbn
Inserted at: 15 Jun 2018 13:41 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 60,050) . The alertlevel for this event is GREEN

Intensity Population
no people
26000 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 60000 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
Siumu Samoa Village 1100 people 193 km

see full list


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.