M 6.9 in Fiji on 09 Oct 2021 10:58 UTC

Hazard models

EQ parameters
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: 6.9M
Depth: 520.42 Km
Event Date: 09 Oct 2021 10:58 UTC
09 Oct 2021 22:58 Local
Exposed Population:
No people affected in 100km
Source: NEIC us6000ft9g
Inserted at: 18 Oct 2021 15:26 UTC
INFORM Coping capacity of the alert score:
1.1 (Fiji)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 0 0
us6000ft9g 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
1401126 0 09 Oct 2021 10:58 7M, 523.9km N/A No people affected (in 100km) 0m (at 00:00) 9d 04:30 PTWC
1401131 0 09 Oct 2021 10:59 7M, 524km N/A No people affected (in 100km) 0m (at 00:00) 9d 04:29 NTWC
1401133 0 09 Oct 2021 10:58 6.8M, 485.16km N/A No people affected (in 100km) 0m (at 00:00) 9d 04:28 NEIC
1401309 0 09 Oct 2021 10:58 6.9M, 520.42km 3.07 No people affected (in 100km) 0m (at 00:00) 9d 04:27 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: ""M 6.9, Vanuatu region""

Fault parameters

  • Latitude: -21.172
  • Longitude: 174.529
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 520 km

Calculation parameters

  • Calculation space (lon/lat): 171.529, -24.172, 177.529, -18.172
  • Instead of Step -> use Cell size:.5 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.