M 6.7 in Solomon Is. from 09 Sep 2018 19:31 UTC to 19:31

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: 6.7M
Depth: 53.8 Km
Event Date: 09 Sep 2018 19:31 UTC
10 Sep 2018 06:31 Local
Exposed Population: About 77000 people within 100km
Source: PTWC pt18252000
Inserted at: 09 Sep 2018 19:42 UTC
INFORM Coping capacity of the alert score:
6.6 (Solomon Is.)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0.8 0 0.8
pt18252000 Scaled population (vector) 4.85 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0.06m  
  C2 earthquake 0      
  Country Vulnerability 0.44      
  INFORM_normalised 1.18      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1227670 1.6 09 Sep 2018 19:31 6.7M, 10km N/A 70 thousand (in 100km) 0.3m (at 00:14) 00:07 GEOFON
1227674 0.8 09 Sep 2018 19:31 6.7M, 53.8km N/A 80 thousand (in 100km) 0.1m (at 00:20) 00:10 PTWC
1227677 0.9 09 Sep 2018 19:31 6.7M, 54km N/A 80 thousand (in 100km) 0m (at 00:00) 00:11 NTWC    
1227680 0 09 Sep 2018 19:31 6.5M, 83.24km 5.66 N/A (in MMI>=VII) 0m (at 00:00) 00:19 NEIC
1227683 0 09 Sep 2018 19:31 6.5M, 64.54km 5.99 N/A (in MMI>=VII) 0m (at 00:00) 00:51 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: "56km NW of Kirakira"

Fault parameters

  • Latitude: -10.068
  • Longitude: 161.578
  • Length: 35 km
  • Width: 9 km
  • Magnitude: 6.7 M

Okada parameters:

  • Slip: 1 m
  • Strike: 298 (geogr angle: north=0, south=180)
  • Dip: 40 degree
  • Rake: 90 degree
  • Depth: 54 km

Calculation parameters

  • Calculation space (lon/lat): 158.578, -13.068, 164.578, -7.068
  • Instead of Step -> use Cell size:.5 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.