M 6.2 in Vanuatu on 16 Feb 2021 00:49 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: 6.2M
Depth: 5.59 Km
Event Date: 16 Feb 2021 00:49 UTC
16 Feb 2021 11:49 Local
Exposed Population: About 76000 people in MMI>=IV
About 77000 people within 100km
Source: NEIC us6000dhxn
Inserted at: 19 Feb 2021 03:39 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 0.1 0.1
us6000dhxn Scaled population (raster) 0 Max wave alert 0.18m  
  C1 shakemap -0.59 Max wave realtime 0.18m  
  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
1358806 0.4 16 Feb 2021 00:49 6.7M, 14km N/A 80 thousand (in 100km) 0.3m (at 00:22) 00:10 PTWC
1358810 0 16 Feb 2021 00:49 6.2M, 10km 4.02 less than 100 (in MMI>=VII) 0.1m (at 00:11) 00:21 NEIC
1359445 0.1 16 Feb 2021 00:49 6.2M, 5.59km 4.02 less than 100 (in MMI>=VII) 0.2m (at 00:09) 3d 02:49 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 Tsunami wave height is  0.2m in Natapao, Vanuatu. This height is estimated for 16-Feb-2021 00:58:83.

Alert Date (UTC) Name Country Tsunami wave height (m)
16-Feb-2021 00:58:83 Natapao Vanuatu  0.2
16-Feb-2021 00:59:78 Matao Tiupeniu Vanuatu  0.2
16-Feb-2021 01:05:86 Port-Havannah Vanuatu  0.1
16-Feb-2021 01:05:86 Sounai Vanuatu  0.1
16-Feb-2021 01:03:43 Epantgouei Vanuatu  0.1
16-Feb-2021 01:03:43 Erakor Vanuatu  0.1
16-Feb-2021 01:03:43 Port-Vila Vanuatu  0.1
16-Feb-2021 01:03:43 Nanguile Vanuatu  0.1
16-Feb-2021 01:03:43 Eratap Vanuatu  0.1
16-Feb-2021 01:09:57 Mele Vanuatu  0.1
16-Feb-2021 01:03:43 Utanlangi Vanuatu  0.1

See full locations list (RSS)


Initial conditions

Title: ""77 km W of Port-Vila""

Fault parameters

  • Length: 19 km
  • Width: 5 km
  • Magnitude: 6.2 M

Okada parameters:

  • Slip: .6 m
  • Strike: 341 (geogr angle: north=0, south=180)
  • Dip: 22 degree
  • Rake: 90 degree
  • Depth: 6 km

Calculation parameters

  • Calculation space (lon/lat): 166.09, -19.319, 169.09, -16.319
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

For a full list of available products related to this event, please refer to the GDACS Resources page.