M 6.4 in Vanuatu on 13 Jul 2018 09:46 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: 6.4M
Depth: 169.16 Km
Event Date: 13 Jul 2018 09:46 UTC
13 Jul 2018 20:46 Local
Exposed Population: About 36000 people within 100km
Source: NEIC us2000g3up
Inserted at: 13 Jul 2018 10:08 UTC
INFORM Coping capacity of the alert score:
6.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us2000g3up Scaled population (vector) 0 Max wave scenario 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  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
1219306 0 13 Jul 2018 09:46 6.4M, 169.16km 4.23 N/A (in MMI>=VII) 0m (at 00:00) 00:21 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

Alert Date (UTC) Name Country Wave height (m)

See full locations list (RSS)


Initial conditions

Title: "72km NNW of Isangel"

Fault parameters

  • Latitude: -18.933
  • Longitude: 169.022
  • Length: 25 km
  • Width: 7 km
  • Magnitude: 6.4 M

Okada parameters:

  • Slip: .6 m
  • Strike: 345 (geogr angle: north=0, south=180)
  • Dip: 42 degree
  • Rake: 90 degree
  • Depth: 169 km

Calculation parameters

  • Calculation space (lon/lat): 167.522, -20.433, 170.522, -17.433
  • Instead of Step -> use Cell size:.25 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.