M 6.9 in Solomon Islands from 22 May 2015 21:45 UTC to 21:45

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: 6.9M
Depth: 33 Km
Event Date: 22 May 2015 21:45 UTC
23 May 2015 08:45 Local
Exposed Population:
No people within 100km
Source: PTWC
Inserted at: 22 May 2015 21:55 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0 0 0
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
1081568 0.5 22 May 2015 21:45 6.7M, 10km N/A No people affected (in 100km) 0.1m (at 01:01) 00:07 GEOFON
1081570 0 22 May 2015 21:45 6.9M, 33km N/A No people affected (in 100km) 0.1m (at 00:33) 00:09 PTWC
1081573 0 22 May 2015 21:45 6.9M, 37km N/A No people affected (in 100km) 0.1m (at 00:42) 00:11 NTWC    
1081582 0 22 May 2015 21:45 6.8M, 7.99km N/A No people affected (in 100km) 0.1m (at 00:20) 00:19 NEIC
1081598 0.5 22 May 2015 21:45 6.9M, 9.89km N/A No people affected (in 100km) 0.1m (at 00:20) 01:11 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 Malemgeulu, Solomon Islands. This height is estimated for 22-May-2015 22:15:00.

Alert Date (UTC) Name Country Wave height (m)
22-May-2015 22:15:00 Malemgeulu Solomon Islands  0.1

See full locations list (RSS)


Initial conditions

Title: " 212km W of Lata"

Fault parameters

  • Latitude: -10.994
  • Longitude: 163.909
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 262 (geogr angle: north=0, south=180)
  • Dip: 25 degree
  • Rake: 90 degree
  • Depth: 33 km

Calculation parameters

  • Calculation space (lon/lat): 160.909, -13.994, 166.909, -7.994
  • 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.