M 6.5 in New Caledonia from 16 Oct 2018 00:28 UTC to 00:28

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: 33 Km
Event Date: 16 Oct 2018 00:28 UTC
16 Oct 2018 11:28 Local
Exposed Population: No people within 100km
Source: NTWC     at00pgo1b1
Inserted at: 16 Oct 2018 00:39 UTC
INFORM Coping capacity of the alert score:
1.1 (New Caledonia)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC     0 0 0
at00pgo1b1 Scaled population (vector) 0 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0m  
  C2 earthquake 0      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1231808 0 16 Oct 2018 00:28 6.5M, 33km N/A No people affected (in 100km) 0m (at 00:00) 00:09 PTWC
1231810 0 16 Oct 2018 00:28 6.5M, 33km N/A No people affected (in 100km) 0m (at 00:00) 00:11 NTWC    
1231812 0 16 Oct 2018 00:28 6.3M, 10km 3.95 N/A (in MMI>=VII) 0m (at 00:00) 00:21 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

Alert Date (UTC) Name Country Wave height (m)

See full locations list (RSS)


Initial conditions

Title: ""190km E of Tadine""

Fault parameters

  • Latitude: -21.8
  • Longitude: 169.7
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 311 (geogr angle: north=0, south=180)
  • Dip: 20 degree
  • Rake: 90 degree
  • Depth: NaN km

Calculation parameters

  • Calculation space (lon/lat): 168.2, -23.3, 171.2, -20.3
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

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

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