M 7.1 in Vanuatu on 29 Aug 2018 03:51 UTC

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: 7.1M
Depth: 26.68 Km
Event Date: 29 Aug 2018 03:51 UTC
29 Aug 2018 14:51 Local
Exposed Population: No people within 100km
Source: NEIC us1000gjaz
Inserted at: 29 Aug 2018 04:12 UTC
INFORM Coping capacity of the alert score:
1.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us1000gjaz Scaled population (vector) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0.05m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1226201 0.1 29 Aug 2018 03:51 7M, 10km N/A No people affected (in 100km) 0.2m (at 00:38) 00:06 PTWC
1226203 0.1 29 Aug 2018 03:51 6.7M, 10km N/A No people affected (in 100km) 0.1m (at 00:48) 00:07 GEOFON
1226204 0.1 29 Aug 2018 03:51 7M, 10km N/A No people affected (in 100km) 0.2m (at 00:46) 00:08 NTWC    
1226214 0 29 Aug 2018 03:51 7.1M, 26.68km 5.07 N/A (in MMI>=VII) 0.1m (at 01:02) 00:20 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 Loanatom, Vanuatu. This height is estimated for 29-Aug-2018 04:53:58.

Alert Date (UTC) Name Country Wave height (m)
29-Aug-2018 04:53:58 Loanatom Vanuatu  0.1
29-Aug-2018 04:53:58 Lenakel Vanuatu  0.1
29-Aug-2018 04:53:58 Isangel Vanuatu  0.1
29-Aug-2018 05:07:68 Loonelapeun Vanuatu  0.1
29-Aug-2018 04:43:95 Umetch Vanuatu  0.1
29-Aug-2018 04:39:03 Port_Patrick Vanuatu  0.1
29-Aug-2018 04:45:08 Anelghowhat Vanuatu  0.1
29-Aug-2018 05:09:81 Hnadid New Caledonia  0.1
29-Aug-2018 04:41:65 Imareukak Vanuatu  0.1
29-Aug-2018 04:41:65 Yokopenan Vanuatu  0.1
29-Aug-2018 04:41:65 Ombous Vanuatu  0.1
29-Aug-2018 05:49:81 Lownepina Vanuatu  0.1
29-Aug-2018 04:33:98 Kurine New Caledonia  0.1
29-Aug-2018 04:51:46 Xode New Caledonia  0.1
29-Aug-2018 04:51:46 Mou New Caledonia  0.1
29-Aug-2018 04:51:46 Waisisi Vanuatu  0.1
29-Aug-2018 04:37:36 Ipao Vanuatu  0.1
29-Aug-2018 04:37:36 Mohoun'gha Vanuatu  0.1
29-Aug-2018 05:09:81 Isavai Vanuatu  0.1
29-Aug-2018 05:03:76 Ireupuow Vanuatu  0.1
29-Aug-2018 04:33:98 White_Sands Vanuatu  0.1
29-Aug-2018 04:35:49 Imwareupo Vanuatu  0.1
29-Aug-2018 05:33:54 Isino Vanuatu  0.1
29-Aug-2018 06:15:44 We New Caledonia  0.1
29-Aug-2018 06:15:44 Havila New Caledonia  0.1
29-Aug-2018 04:31:31 Wabao New Caledonia  0.1
29-Aug-2018 04:31:31 Medu New Caledonia  0.1
29-Aug-2018 04:31:31 Eni New Caledonia  0.1
29-Aug-2018 05:15:52 Epuen Vanuatu  0.1
29-Aug-2018 05:03:76 Forari Vanuatu  0.1
29-Aug-2018 05:57:61 Umpon_Mompu Vanuatu  0.1
29-Aug-2018 05:01:81 Thogone New Caledonia  0.1
29-Aug-2018 06:49:07 Mamie New Caledonia  0.1
29-Aug-2018 05:01:81 Waho New Caledonia  0.1

See full locations list (RSS)


Initial conditions

Title: "212km W of Ile Hunter"

Fault parameters

  • Latitude: -22.066
  • Longitude: 170.05
  • Length: 56 km
  • Width: 15 km
  • Magnitude: 7.1 M

Okada parameters:

  • Slip: 1.5 m
  • Strike: 311 (geogr angle: north=0, south=180)
  • Dip: 20 degree
  • Rake: 90 degree
  • Depth: 27 km

Calculation parameters

  • Calculation space (lon/lat): 165.55, -26.566, 174.55, -17.566
  • 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.