M 6.5 in Vanuatu from 23 Jan 2024 14:33 UTC to 14:33

Hazard models

Rapid Impact
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: 6.5M
Depth: 10 Km
Event Date: 23 Jan 2024 14:33 UTC
24 Jan 2024 01:33 Local
Exposed Population: 50 thousand in MMI V
Source: NTWC at00s7pxsb
Inserted at: 23 Jan 2024 14:42 UTC
INFORM Coping capacity of the alert score:
1.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 Tsunami GDACS score
NTWC 0 0.3 0.3
at00s7pxsb Scaled population (vector) 0 Max wave alert 0.36m  
  C1 rapid impact 0 Max wave realtime 0.36m  
  C2 rapid impact 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1548850 0.3 23 Jan 2024 14:33 6.5M, 10km 5.2 50 thousand (in 100km) 0.3m (at 00:08) 00:06 PTWC
1548852 0.3 23 Jan 2024 14:33 6.5M, 10km 5.35 50 thousand (in 100km) 0.4m (at 00:13) 00:08 NTWC
1548855 0 23 Jan 2024 14:33 6.3M, 37.2km 5.28 N/A (in MMI>=VII) 0m (at 00:00) 00:19 NEIC
1549439 0 23 Jan 2024 14:33 6.3M, 31km 5.66 3 thousand (in 100km) 0m (at 00:00) 3d 07:51 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  0.4m in Matao Tiupeniu, Vanuatu. This height is estimated for 23-Jan-2024 14:46:46.

Alert Date (UTC) Name Country Wave height (m)
23-Jan-2024 14:46:46 Matao Tiupeniu Vanuatu  0.4
23-Jan-2024 14:43:14 Epantgouei Vanuatu  0.3
23-Jan-2024 14:43:14 Erakor Vanuatu  0.3
23-Jan-2024 14:43:14 Port-Vila Vanuatu  0.3
23-Jan-2024 14:43:14 Nanguile Vanuatu  0.3
23-Jan-2024 14:43:14 Eratap Vanuatu  0.3
23-Jan-2024 14:43:66 Natapao Vanuatu  0.2
23-Jan-2024 14:48:54 Mele Vanuatu  0.2
23-Jan-2024 15:02:81 Port-Havannah Vanuatu  0.1
23-Jan-2024 14:43:14 Sounai Vanuatu  0.1
23-Jan-2024 14:45:15 Utanlangi Vanuatu  0.1
23-Jan-2024 14:52:88 Melip Vanuatu  0.1
23-Jan-2024 15:09:32 Forari Vanuatu  0.1
23-Jan-2024 15:09:32 Epuen Vanuatu  0.1
23-Jan-2024 14:48:54 Malfakhal Vanuatu  0.1
23-Jan-2024 14:45:55 Nekapa Vanuatu  0.1

See full locations list (RSS)


Initial conditions

Title: ""M 6.5, 57 km WSW of Port-Vila, Vanuatu""

Fault parameters

  • Latitude: -17.9
  • Longitude: 167.8
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 348 (geogr angle: north=0, south=180)
  • Dip: 22 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 166.3, -19.4, 169.3, -16.4
  • 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.