M 7 in Solomon Islands from 18 Nov 2015 18:31 UTC to 18:31

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: 7.0M
Depth: 59.5 Km
Event Date: 18 Nov 2015 18:31 UTC
19 Nov 2015 05:31 Local
Exposed Population: About 41637 people within 100km
Source: PTWC
Inserted at: 18 Nov 2015 18:42 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0 1 0.5
Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.06m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1107188 0.5 18 Nov 2015 18:31 6.9M, 10km N/A 40 thousand (in 100km) 0.4m (at 00:20) 00:07 GEOFON
1107191 0.5 18 Nov 2015 18:31 7M, 59.5km N/A 40 thousand (in 100km) 0.1m (at 00:48) 00:10 PTWC
1107194 0.5 18 Nov 2015 18:31 7M, 10km N/A 40 thousand (in 100km) 0.4m (at 00:12) 00:13 NTWC    
1107198 0.5 18 Nov 2015 18:31 6.8M, 10.82km N/A 40 thousand (in 100km) 0.2m (at 00:17) 00:19 NEIC
1107212 0.5 18 Nov 2015 18:31 7M, 10.95km 6.19 40 thousand (in 100km) 0.3m (at 00:18) 01:34 NEIC
1107223 0.5 18 Nov 2015 18:31 7M, 17.36km 6.34 40 thousand (in 100km) 0.3m (at 00:40) 02:40 NEIC
1107225 0.3 18 Nov 2015 18:31 7M, 13.39km 6.47 40 thousand (in 100km) 0.4m (at 00:18) 02:49 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

The maximum Wave height is  0.1m in Hurepelo, Solomon Islands. This height is estimated for 18-Nov-2015 19:19:03.

Alert Date (UTC) Name Country Wave height (m)
18-Nov-2015 19:19:03 Hurepelo Solomon Islands  0.1
18-Nov-2015 21:16:56 Mbareho Solomon Islands  0.1
18-Nov-2015 21:16:56 Seghe Solomon Islands  0.1
18-Nov-2015 18:45:71 Dadale Solomon Islands  0.1
18-Nov-2015 20:35:15 Tuarugu Solomon Islands  0.0
18-Nov-2015 18:43:96 Samasodu_Point Solomon Islands  0.0

See full locations list (RSS)


Initial conditions

Title: "M7 85km SSW of Dadali. Solomon Islands"

Fault parameters

  • Latitude: -8.732
  • Longitude: 158.674
  • Length: 50 km
  • Width: 14 km
  • Magnitude: 7 M

Okada parameters:

  • Slip: 1.3 m
  • Strike: 302 (geogr angle: north=0, south=180)
  • Dip: 34 degree
  • Rake: 90 degree
  • Depth: 60 km

Calculation parameters

  • Calculation space (lon/lat): 154.174, -13.232, 163.174, -4.232
  • Instead of Step -> use Cell size:.75 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.