M 6.8 in Solomon Islands on 18 Nov 2015 18:31 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: 6.8M
Depth: 10.82 Km
Event Date: 18 Nov 2015 18:31 UTC
19 Nov 2015 05:31 Local
Exposed Population: About 44000 people within 100km
Source: NEIC
Inserted at: 18 Nov 2015 18:51 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 1 0.5
Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.23m  
  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  0.2m in Dadale, Solomon Islands. This height is estimated for 18-Nov-2015 18:47:38.

Alert Date (UTC) Name Country Wave height (m)
18-Nov-2015 18:47:38 Dadale Solomon Islands  0.2
18-Nov-2015 18:47:38 Litoghahira Solomon Islands  0.2
18-Nov-2015 18:47:38 Dedeu Solomon Islands  0.2
18-Nov-2015 18:47:38 Samasodu_Point Solomon Islands  0.2
18-Nov-2015 18:52:00 Saira Solomon Islands  0.2
18-Nov-2015 18:50:64 Filuo Solomon Islands  0.2
18-Nov-2015 18:49:00 Hurepelo Solomon Islands  0.2
18-Nov-2015 19:26:38 Hovoro Solomon Islands  0.2
18-Nov-2015 19:26:38 Kukudu Solomon Islands  0.2
18-Nov-2015 18:50:64 Tuarugu Solomon Islands  0.1
18-Nov-2015 19:02:64 Halisi Solomon Islands  0.1
18-Nov-2015 18:59:38 Nineveh Solomon Islands  0.1
18-Nov-2015 19:25:00 Mbareho Solomon Islands  0.1
18-Nov-2015 19:31:00 Biluro Solomon Islands  0.1
18-Nov-2015 18:50:38 Susubona Solomon Islands  0.1
18-Nov-2015 19:29:38 Seghe Solomon Islands  0.1
18-Nov-2015 19:55:00 Bahi Solomon Islands  0.1
18-Nov-2015 19:55:00 Naro Solomon Islands  0.1
18-Nov-2015 19:55:00 Veralevuha Solomon Islands  0.1
18-Nov-2015 20:05:38 Hularu Solomon Islands  0.1
18-Nov-2015 20:05:38 Haliupai Solomon Islands  0.1
18-Nov-2015 19:22:00 Yandina Solomon Islands  0.1
18-Nov-2015 19:26:38 Batuna Solomon Islands  0.1
18-Nov-2015 19:59:64 Maravovo Solomon Islands  0.1
18-Nov-2015 20:28:00 Ghaningangao Solomon Islands  0.1
18-Nov-2015 20:28:00 Kau Solomon Islands  0.1
18-Nov-2015 20:28:00 Tangarare Solomon Islands  0.1
18-Nov-2015 19:44:38 Hapai Solomon Islands  0.1
18-Nov-2015 19:29:38 Takatakati Solomon Islands  0.1
18-Nov-2015 19:29:38 Koraga Solomon Islands  0.1
18-Nov-2015 19:29:38 Chapunamo Solomon Islands  0.1
18-Nov-2015 20:29:64 Chochokiki Solomon Islands  0.1
18-Nov-2015 20:38:38 Canaan Solomon Islands  0.1
18-Nov-2015 20:38:38 Mbiula Solomon Islands  0.1
18-Nov-2015 19:01:00 Dhadhaje Solomon Islands  0.1
18-Nov-2015 19:01:00 Sepi Solomon Islands  0.1
18-Nov-2015 20:13:00 Barora_Fa_I Solomon Islands  0.1
18-Nov-2015 20:08:64 Hoverihi Solomon Islands  0.1
18-Nov-2015 19:11:38 Vanikuva Solomon Islands  0.1
18-Nov-2015 19:11:38 Harai Solomon Islands  0.1
18-Nov-2015 19:41:38 Tetemara Solomon Islands  0.1
18-Nov-2015 19:29:64 Ouitcho Solomon Islands  0.1
18-Nov-2015 19:50:38 Lamuas Solomon Islands  0.1

See full locations list (RSS)


Initial conditions

Title: "119km SW of Dadali"

Fault parameters

  • Latitude: -8.946
  • Longitude: 158.421
  • Length: 39 km
  • Width: 11 km
  • Magnitude: 6.8 M

Okada parameters:

  • Slip: 1 m
  • Strike: 302 (geogr angle: north=0, south=180)
  • Dip: 21 degree
  • Rake: 90 degree
  • Depth: 11 km

Calculation parameters

  • Calculation space (lon/lat): 155.421, -11.946, 161.421, -5.946
  • 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.