M 6.5 in Vanuatu from 06 Sep 2020 02:59 UTC to 02:59

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: 6.5M
Depth: 10 Km
Event Date: 06 Sep 2020 02:59 UTC
06 Sep 2020 13:59 Local
Exposed Population: 110000 people within 100km
Source: PTWC pt20250002
Inserted at: 06 Sep 2020 03:09 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
PTWC 0.1 0.2 0.2
pt20250002 Scaled population (vector) 4.31 Max wave alert 0.25m  
  C1 earthquake 1 Max wave realtime 0.25m  
  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
1330475 0.2 06 Sep 2020 02:59 6.5M, 10km N/A 120 thousand (in 100km) 0.3m (at 00:10) 00:09 PTWC
1330476 0.1 06 Sep 2020 02:59 6.5M, 10km N/A 120 thousand (in 100km) 0.2m (at 00:10) 00:10 NTWC
1330478 0.1 06 Sep 2020 02:59 6.2M, 8.24km 4.2 N/A (in MMI>=VII) 0.1m (at 00:11) 02:04 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  0.3m in Valesdir, Vanuatu. This height is estimated for 6-Sep-2020 03:09:95.

Alert Date (UTC) Name Country Wave height (m)
6-Sep-2020 03:09:95 Valesdir Vanuatu  0.3
6-Sep-2020 03:09:95 Manpay Vanuatu  0.3
6-Sep-2020 03:09:95 Votlo Vanuatu  0.3
6-Sep-2020 03:09:95 Filakara Vanuatu  0.3
6-Sep-2020 03:16:24 Lambukuti Vanuatu  0.2
6-Sep-2020 03:16:24 Moeriou Vanuatu  0.2
6-Sep-2020 03:16:24 Mangarisu Vanuatu  0.2
6-Sep-2020 03:08:72 Ponkovia Vanuatu  0.1
6-Sep-2020 03:09:95 Utanlangi Vanuatu  0.1
6-Sep-2020 03:18:75 Peskarus Vanuatu  0.1
6-Sep-2020 03:11:64 Burumba Vanuatu  0.1
6-Sep-2020 03:31:36 Port-Havannah Vanuatu  0.1
6-Sep-2020 03:31:36 Sounai Vanuatu  0.1
6-Sep-2020 03:11:64 Mangita Vanuatu  0.1
6-Sep-2020 03:11:64 Makatea Vanuatu  0.1
6-Sep-2020 03:06:27 Malakof Vanuatu  0.1
6-Sep-2020 03:08:72 Melip Vanuatu  0.1
6-Sep-2020 03:32:64 Matao Tiupeniu Vanuatu  0.1
6-Sep-2020 03:14:51 Boloa Vanuatu  0.1
6-Sep-2020 03:07:74 Natapao Vanuatu  0.1
6-Sep-2020 03:12:69 Lamarou Vanuatu  0.1
6-Sep-2020 03:12:69 Lamen Vanuatu  0.1
6-Sep-2020 03:13:47 Marow Vanuatu  0.1
6-Sep-2020 03:15:56 Nul Vanuatu  0.1
6-Sep-2020 03:07:74 Malfakhal Vanuatu  0.1
6-Sep-2020 03:10:63 Nekapa Vanuatu  0.1
6-Sep-2020 03:10:63 Laonomoa Vanuatu  0.1
6-Sep-2020 03:12:69 Faroun Vanuatu  0.1
6-Sep-2020 03:11:64 Wintua Vanuatu  0.1
6-Sep-2020 03:12:69 Tavendrua Vanuatu  0.1
6-Sep-2020 03:14:51 Emua Vanuatu  0.1

See full locations list (RSS)


Initial conditions

Title: ""86 km NW of Port-Vila""

Fault parameters

  • Latitude: -17.135
  • Longitude: 167.799
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 341 (geogr angle: north=0, south=180)
  • Dip: 49 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 166.299, -18.635, 169.299, -15.635
  • 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.