M 6.2 in Samoa from 02 Jun 2018 11:53 UTC to 11:53

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: 6.2M
Depth: 10 Km
Event Date: 02 Jun 2018 11:53 UTC
01 Jun 2018 23:53 Local
Exposed Population: No people within 100km
Source: PTWC pt18153002
Inserted at: 02 Jun 2018 12:04 UTC
INFORM Coping capacity of the alert score:
1.1 (Samoa)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0 0.1 0.1
pt18153002 Scaled population (vector) 0 Max wave scenario 0m  
  C1 earthquake 1 Max wave realtime 0.11m  
  C2 earthquake 0      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1212836 0.1 02 Jun 2018 11:53 6.2M, 10km N/A No people affected (in 100km) 0.1m (at 00:18) 00:11 PTWC
1212839 0 02 Jun 2018 11:53 5.6M, 49.77km 3.38 N/A (in MMI>=VII) 00:14 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.

Tsunami affected locations

Alert Date (UTC) Name Country Wave height (m)

See full locations list (RSS)


Initial conditions

Title: "128km NNE of Hihifo"

Fault parameters

  • Latitude: -14.933
  • Longitude: -173.164
  • Length: 19 km
  • Width: 5 km
  • Magnitude: 6.2 M

Okada parameters:

  • Slip: .6 m
  • Strike: 123 (geogr angle: north=0, south=180)
  • Dip: 39 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -174.664, -16.433, -171.664, -13.433
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

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