M 6.5 in Vanuatu on 23 Jan 2024 14:33 UTC

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: PTWC pt24023000
Inserted at: 23 Jan 2024 14:39 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
PTWC 0 0.3 0.3
pt24023000 Scaled population (vector) 0 Max wave alert 0.34m  
  C1 rapid impact 0 Max wave realtime 0.34m  
  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  0.3m in Matao Tiupeniu, Vanuatu. This height is estimated for 23-Jan-2024 14:41:73.

Alert Date (UTC) Name Country Wave height (m)
23-Jan-2024 14:41:73 Matao Tiupeniu Vanuatu  0.3
23-Jan-2024 14:44:59 Epantgouei Vanuatu  0.2
23-Jan-2024 14:44:59 Erakor Vanuatu  0.2
23-Jan-2024 14:44:59 Port-Vila Vanuatu  0.2
23-Jan-2024 14:44:59 Nanguile Vanuatu  0.2
23-Jan-2024 14:44:59 Eratap Vanuatu  0.2
23-Jan-2024 14:45:37 Mele Vanuatu  0.2
23-Jan-2024 14:51:82 Port-Havannah Vanuatu  0.1
23-Jan-2024 14:48:88 Sounai Vanuatu  0.1
23-Jan-2024 14:40:06 Natapao Vanuatu  0.1
23-Jan-2024 14:45:21 Utanlangi Vanuatu  0.1
23-Jan-2024 14:52:68 Epuen Vanuatu  0.1
23-Jan-2024 14:56:03 Forari Vanuatu  0.1
23-Jan-2024 14:51:66 Melip Vanuatu  0.1

See full locations list (RSS)


Initial conditions

Title: ""60 km WSW of Port-Vila""

Fault parameters

  • Latitude: -17.919
  • Longitude: 167.778
  • 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): 166.278, -19.419, 169.278, -16.419
  • 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.