M 6.9 in Vanuatu from 06 Apr 2016 06:58 UTC to 06:58

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: 06 Apr 2016 06:58 UTC
06 Apr 2016 17:58 Local
Exposed Population: About 4000 people within 100km
Source: NTWC    
Inserted at: 06 Apr 2016 07:09 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC     0 1 0.1
Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.15m  
  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
1124350 0.2 06 Apr 2016 06:58 6.5M, 10km N/A 7 thousand (in 100km) 0.2m (at 00:16) 00:06 GEOFON
1124351 0.1 06 Apr 2016 06:58 6.9M, 33km N/A 5 thousand (in 100km) 0.2m (at 00:21) 00:07 PTWC
1124353 0.1 06 Apr 2016 06:58 6.9M, 33km N/A 4 thousand (in 100km) 0.2m (at 00:21) 00:10 NTWC    
1124362 0.5 06 Apr 2016 06:58 6.9M, 33.71km N/A 5 thousand (in 100km) 0.1m (at 00:20) 00:22 NEIC
1124414 0.1 06 Apr 2016 06:58 6.7M, 24km 6.16 N/A (in MMI>=VII) 0.2m (at 00:18) 09:13 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 Tolab, Vanuatu. This height is estimated for 6-Apr-2016 07:19:00.

Alert Date (UTC) Name Country Wave height (m)
6-Apr-2016 07:19:00 Tolab Vanuatu  0.2
6-Apr-2016 07:10:00 Pek Vanuatu  0.1
6-Apr-2016 07:10:00 Mesabolo Vanuatu  0.1
6-Apr-2016 07:11:38 Levonu Vanuatu  0.1
6-Apr-2016 07:53:38 Terou Vanuatu  0.1
6-Apr-2016 07:53:38 Worovok Vanuatu  0.1
6-Apr-2016 07:23:38 Avira Vanuatu  0.1
6-Apr-2016 07:14:64 Gavigamana Vanuatu  0.1
6-Apr-2016 07:37:00 Ngusui Vanuatu  0.1
6-Apr-2016 07:17:38 Vipaka Vanuatu  0.1
6-Apr-2016 08:22:00 Hog_Harbour Vanuatu  0.1
6-Apr-2016 07:53:38 Ladhu Vanuatu  0.1
6-Apr-2016 08:08:38 Coulons Vanuatu  0.1
6-Apr-2016 07:08:38 Lear Vanuatu  0.1
6-Apr-2016 07:23:38 Wousi Vanuatu  0.1
6-Apr-2016 07:08:38 Crepeta Vanuatu  0.1

See full locations list (RSS)


Initial conditions

Title: "103km W of Sola"

Fault parameters

  • Latitude: -13.988
  • Longitude: 166.594
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 350 (geogr angle: north=0, south=180)
  • Dip: 32 degree
  • Rake: 90 degree
  • Depth: 33 km

Calculation parameters

  • Calculation space (lon/lat): 163.594, -16.988, 169.594, -10.988
  • 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.