M 7 in Vanuatu from 28 Apr 2016 19:33 UTC to 19:33

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: 35 Km
Event Date: 28 Apr 2016 19:33 UTC
29 Apr 2016 06:33 Local
Exposed Population: About 65000 people within 100km
Source: NEIC
Inserted at: 28 Apr 2016 19:57 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 0.2m  
  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
1126808 0.5 28 Apr 2016 19:33 7M, 10km N/A 70 thousand (in 100km) 0.4m (at 01:38) 00:06 GEOFON
1126809 0.9 28 Apr 2016 19:33 7.3M, 10km N/A 80 thousand (in 100km) 0.9m (at 00:04) 00:08 NTWC    
1126818 0.5 28 Apr 2016 19:33 7M, 35km 6.84 70 thousand (in 100km) 0.2m (at 00:36) 00:23 NEIC
1126828 0.5 28 Apr 2016 19:33 7M, 27.17km 6.84 80 thousand (in 100km) 0.2m (at 00:36) 01:29 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 Brenwe, Vanuatu. This height is estimated for 28-Apr-2016 20:09:94.

Alert Date (UTC) Name Country Wave height (m)
28-Apr-2016 20:09:94 Brenwe Vanuatu  0.2
28-Apr-2016 19:49:24 Laravet Vanuatu  0.2
28-Apr-2016 19:49:24 Vinmavis Vanuatu  0.2
28-Apr-2016 20:09:94 Youelapa Vanuatu  0.1
28-Apr-2016 20:09:94 Wailapo Vanuatu  0.1
28-Apr-2016 20:09:94 Abnetare Vanuatu  0.1
28-Apr-2016 20:29:54 Palikoulo Vanuatu  0.1
28-Apr-2016 20:15:98 Ellarmo Vanuatu  0.1
28-Apr-2016 21:09:29 Tasiriki Vanuatu  0.1
28-Apr-2016 21:09:29 Olo_Olo Vanuatu  0.1
28-Apr-2016 20:23:65 Losoue Vanuatu  0.1
28-Apr-2016 19:35:84 Tenmaru Vanuatu  0.0
28-Apr-2016 19:57:91 Norsup Vanuatu  0.0
28-Apr-2016 19:57:91 Lakatoro Vanuatu  0.0
28-Apr-2016 20:35:58 Wowo Vanuatu  0.0
28-Apr-2016 22:05:34 Tavendrua Vanuatu  0.0
28-Apr-2016 21:33:02 Laruru Vanuatu  0.0
28-Apr-2016 21:05:91 Vao Vanuatu  0.0

See full locations list (RSS)


Initial conditions

Title: "M7 5km WSW of Norsup. Vanuatu"

Fault parameters

  • Latitude: -16.094
  • Longitude: 167.337
  • Length: 50 km
  • Width: 14 km
  • Magnitude: 7 M

Okada parameters:

  • Slip: 1.3 m
  • Strike: 327 (geogr angle: north=0, south=180)
  • Dip: 42 degree
  • Rake: 90 degree
  • Depth: 35 km

Calculation parameters

  • Calculation space (lon/lat): 162.837, -20.594, 171.837, -11.594
  • 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.