M 6.3 in Vanuatu on 20 Mar 2019 15:23 UTC

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: 6.3M
Depth: 119 Km
Event Date: 20 Mar 2019 15:23 UTC
21 Mar 2019 02:23 Local
Exposed Population: About 4000 people in MMI
110000 people within 100km
Source: NEIC us1000jj9r
Inserted at: 20 Mar 2019 22:03 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
us1000jj9r Scaled population (vector) 0 Max wave alert 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
1252977 0 20 Mar 2019 15:23 6.2M, 125.44km 5.81 N/A (in MMI>=VII) 0m (at 00:00) 00:19 NEIC
1253013 0 20 Mar 2019 15:23 6.3M, 119km 5.25 N/A (in MMI>=VII) 0m (at 00:00) 06:39 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: ""52km E of Luganville""

Fault parameters

  • Latitude: -15.595
  • Longitude: 167.651
  • Length: 22 km
  • Width: 6 km
  • Magnitude: 6.3 M

Okada parameters:

  • Slip: .6 m
  • Strike: 334 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 119 km

Calculation parameters

  • Calculation space (lon/lat): 166.151, -17.095, 169.151, -14.095
  • 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.