M 6.7 in Vanuatu from 21 Aug 2018 22:32 UTC to 22:32

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: 6.7M
Depth: 10 Km
Event Date: 21 Aug 2018 22:32 UTC
22 Aug 2018 09:32 Local
Exposed Population: About 87000 people within 100km
Source: NTWC     at00pdu1a5
Inserted at: 21 Aug 2018 22:43 UTC
INFORM Coping capacity of the alert score:
6.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC     0.9 0.2 0.9
at00pdu1a5 Scaled population (vector) 5.02 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0.28m  
  C2 earthquake 0      
  Country Vulnerability 0      
  INFORM_normalised 1.12      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1225297 0.7 21 Aug 2018 22:32 6.5M, 10km N/A 90 thousand (in 100km) 0.2m (at 00:23) 00:07 GEOFON
1225298 0.9 21 Aug 2018 22:32 6.7M, 10km N/A 90 thousand (in 100km) 0.3m (at 00:00) 00:10 NTWC    
1225300 0.9 21 Aug 2018 22:32 6.7M, 10km N/A 90 thousand (in 100km) 0.2m (at 00:03) 00:11 PTWC
1225304 0.1 21 Aug 2018 22:32 6.7M, 30.34km N/A N/A (in MMI>=VII) 0.1m (at 01:49) 00:20 NEIC
1225308 0.2 21 Aug 2018 22:32 6.5M, 13.44km 6.56 427 (in MMI>=VII) 0.1m (at 00:23) 00:52 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 Lonbilingdoun, Vanuatu. This height is estimated for 21-Aug-2018 22:35:00.

Alert Date (UTC) Name Country Wave height (m)
21-Aug-2018 22:35:00 Lonbilingdoun Vanuatu  0.2
21-Aug-2018 22:33:64 Linbul Vanuatu  0.2
21-Aug-2018 22:33:64 Olal Vanuatu  0.2
21-Aug-2018 22:54:38 Endu_Pahakol Vanuatu  0.2
21-Aug-2018 22:39:38 Ranvetlam Vanuatu  0.2
21-Aug-2018 22:42:38 Fonwor Vanuatu  0.2
21-Aug-2018 22:36:38 Fali Vanuatu  0.1
21-Aug-2018 22:39:38 Rerep Vanuatu  0.1
21-Aug-2018 22:41:00 Roghumbo Vanuatu  0.1
21-Aug-2018 22:39:38 Lambulmbatuei Vanuatu  0.1
21-Aug-2018 23:08:00 Wowo Vanuatu  0.1
21-Aug-2018 23:06:38 Asavagas Vanuatu  0.1
21-Aug-2018 23:48:38 Coulons Vanuatu  0.1
21-Aug-2018 23:51:38 Norsup Vanuatu  0.1
21-Aug-2018 23:51:38 Lakatoro Vanuatu  0.1
22-Aug-2018 00:03:64 Hog_Harbour Vanuatu  0.1
21-Aug-2018 22:59:00 Vao Vanuatu  0.1
21-Aug-2018 23:24:38 Laruru Vanuatu  0.1
21-Aug-2018 23:12:38 Longtal Vanuatu  0.1
21-Aug-2018 23:15:38 Bourbar Vanuatu  0.1
21-Aug-2018 23:15:38 Lamap Vanuatu  0.1
21-Aug-2018 23:14:00 Palikoulo Vanuatu  0.1
22-Aug-2018 00:12:64 Abnetare Vanuatu  0.1
21-Aug-2018 23:53:00 Iakobone Vanuatu  0.1
21-Aug-2018 23:18:64 Wailapo Vanuatu  0.1
21-Aug-2018 23:18:64 Youelapa Vanuatu  0.1
21-Aug-2018 23:39:38 Saraotou Vanuatu  0.1
21-Aug-2018 23:00:38 Yelowouwou Vanuatu  0.1
21-Aug-2018 23:00:38 Yaotilie Vanuatu  0.1
21-Aug-2018 23:00:38 Port-Vato Vanuatu  0.1
21-Aug-2018 23:47:00 Pawe Vanuatu  0.1
21-Aug-2018 23:45:64 Lulep_Nesa Vanuatu  0.1
21-Aug-2018 22:56:00 Toak Vanuatu  0.1
21-Aug-2018 23:32:00 Narovorovo Vanuatu  0.1
21-Aug-2018 23:53:00 Nikaura Vanuatu  0.1
21-Aug-2018 23:53:00 Tavio Vanuatu  0.1
21-Aug-2018 23:53:00 Leman Vanuatu  0.1
21-Aug-2018 23:53:00 Mate Vanuatu  0.1
21-Aug-2018 23:30:38 Liro Vanuatu  0.1
21-Aug-2018 23:30:38 Ignal Vanuatu  0.1
22-Aug-2018 00:03:64 Tafouale Vanuatu  0.1
22-Aug-2018 00:03:64 Vaoleli Vanuatu  0.1
21-Aug-2018 23:00:64 Peskarus Vanuatu  0.1
21-Aug-2018 23:12:38 Lowarhe Vanuatu  0.1
21-Aug-2018 22:56:00 Abatabanga Vanuatu  0.1
21-Aug-2018 23:14:00 Avira Vanuatu  0.1
21-Aug-2018 23:56:00 Lamarou Vanuatu  0.1
21-Aug-2018 23:56:00 Lamen Vanuatu  0.1
21-Aug-2018 23:20:00 Nul Vanuatu  0.1
21-Aug-2018 23:26:00 Meriver Vanuatu  0.1
21-Aug-2018 23:36:64 Crepeta Vanuatu  0.1
21-Aug-2018 23:39:64 Ponkovia Vanuatu  0.0
21-Aug-2018 23:56:00 Paia Vanuatu  0.0
21-Aug-2018 23:29:00 Halos Vanuatu  0.0

See full locations list (RSS)


Initial conditions

Title: "76km E of Lakatoro"

Fault parameters

  • Latitude: -16.073
  • Longitude: 168.129
  • Length: 35 km
  • Width: 9 km
  • Magnitude: 6.7 M

Okada parameters:

  • Slip: 1 m
  • Strike: 327 (geogr angle: north=0, south=180)
  • Dip: 42 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 165.129, -19.073, 171.129, -13.073
  • 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.