M 6.5 in Vanuatu from 02 Mar 2023 18:04 UTC to 18:04

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: 02 Mar 2023 18:04 UTC
03 Mar 2023 05:04 Local
Exposed Population: 10 thousand in MMI&>=V
Source: NEIC usd000j5jt
Inserted at: 02 Mar 2023 18:25 UTC
INFORM Coping capacity of the alert score:
1.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0.2 0.2
usd000j5jt Scaled population (raster) 0 Max wave alert 0.22m  
  C1 shakemap 0 Max wave realtime 0.22m  
  C2 shakemap 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
1493128 0.1 02 Mar 2023 18:04 6.8M, 33km N/A 10 thousand (in 100km) 0.2m (at 00:20) 00:10 PTWC
1493129 0.2 02 Mar 2023 18:04 6.8M, 33km N/A 10 thousand (in 100km) 0.2m (at 00:20) 00:10 NTWC
1493132 0.2 02 Mar 2023 18:04 6.5M, 10km 6.25 N/A (in MMI>=VII) 0.2m (at 00:05) 00:21 NEIC
1493136 0.3 02 Mar 2023 18:04 6.6M, 10km 6.05 N/A (in MMI>=VII) 0.4m (at 00:07) 00:33 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  0.2m in Wousi, Vanuatu. This height is estimated for 2-Mar-2023 18:09:21.

Alert Date (UTC) Name Country Wave height (m)
2-Mar-2023 18:09:21 Wousi Vanuatu  0.2
2-Mar-2023 18:09:74 Pualapa Vanuatu  0.1
2-Mar-2023 18:26:87 Losoue Vanuatu  0.1
2-Mar-2023 18:27:49 Tasiriki Vanuatu  0.1
2-Mar-2023 18:13:16 Tasmate Vanuatu  0.1
2-Mar-2023 18:08:92 Vesalia Vanuatu  0.1
2-Mar-2023 18:17:87 Nogugu Vanuatu  0.1
2-Mar-2023 18:16:77 Papoulassemouli Vanuatu  0.1
2-Mar-2023 18:16:77 Wonisule Vanuatu  0.1
2-Mar-2023 18:10:49 Olo Olo Vanuatu  0.1
2-Mar-2023 18:24:22 Lolominiou Vanuatu  0.1
2-Mar-2023 18:27:49 Tenmaru Vanuatu  0.1
2-Mar-2023 18:29:65 Wowo Vanuatu  0.1
2-Mar-2023 18:48:48 Laruru Vanuatu  0.1
2-Mar-2023 18:48:48 Vao Vanuatu  0.1

See full locations list (RSS)


Initial conditions

Title: ""81 km WSW of Port-Olry""

Fault parameters

  • Latitude: -15.36
  • Longitude: 166.385
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 365 (geogr angle: north=0, south=180)
  • Dip: 29 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): 164.885, -16.86, 167.885, -13.86
  • 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.