M 7.8 Earthquake and Tsunami (1.6 m) in Solomon Islands on 08 Dec 2016 17:38 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 7.8M
Depth: 41 Km
Event Date: 08 Dec 2016 17:38 UTC
09 Dec 2016 04:38 Local
Exposed Population: About 29000 people in MMI
30 thousand (in MMI>=VII)
Source: NEIC us20007z80
Inserted at: 08 Dec 2016 18:27 UTC
Maximun Wave Height observed: 0.12 m

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 1.3 1.3
us20007z80 Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 1.63m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
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Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1149692 1.9 08 Dec 2016 17:38 8M, 10km N/A 40 thousand (in 100km) 3.1m (at 00:10) 00:07 GEOFON
1149696 2 08 Dec 2016 17:38 8M, 40km N/A 40 thousand (in 100km) 2.3m (at 00:58) 00:12 NTWC    
1149700 2 08 Dec 2016 17:38 7.7M, 48.66km N/A 30 thousand (in 100km) 1.2m (at 01:00) 00:21 NEIC
1149715 1.3 08 Dec 2016 17:38 7.8M, 41km 7.7 30 thousand (in MMI>=VII) 1.6m (at 00:32) 00:48 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.

Estimated Tsunami affected locations

The maximum observed wave height is 0.12m in Honiara Sb;
The maximum Wave height is  1.6m in Onehatare, Solomon Islands. This height is estimated for 8-Dec-2016 18:10:09.

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See full locations list (RSS)


Initial conditions

Title: ""68km WSW of Kirakira""

Fault parameters

  • Latitude: -10.665
  • Longitude: 161.335
  • Length: 125 km
  • Width: 35 km
  • Magnitude: 7.8 M

Okada parameters:

  • Slip: 3.2 m
  • Strike: 298 (geogr angle: north=0, south=180)
  • Dip: 40 degree
  • Rake: 90 degree
  • Depth: 41 km

Calculation parameters

  • Calculation space (lon/lat): 149.335, -22.665, 173.335, 1.335
  • Instead of Step -> use Cell size:2 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.