M 6.5 in Fiji from 01 Sep 2019 15:54 UTC to 15:54

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: 6.5M
Depth: 616.6 Km
Event Date: 01 Sep 2019 15:54 UTC
02 Sep 2019 03:54 Local
Exposed Population:
About 900 people within 100km
Source: PTWC pt19244000
Inserted at: 01 Sep 2019 16:03 UTC
INFORM Coping capacity of the alert score:
1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0 0 0
pt19244000 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
1271387 0 01 Sep 2019 15:54 6.5M, 616.6km N/A Few people (in 100km) 0m (at 00:00) 00:08 PTWC
1271388 0 01 Sep 2019 15:54 6.5M, 617km N/A Few people (in 100km) 0m (at 00:00) 00:10 NTWC
1271389 0 01 Sep 2019 15:54 6.7M, 615.91km N/A Few people (in 100km) 0m (at 00:00) 00:18 NEIC
1271390 0 01 Sep 2019 15:54 6.7M, 604.11km N/A Few people (in 100km) 0m (at 00:00) 00:35 NEIC
1271422 0 01 Sep 2019 15:54 6.6M, 591km N/A Few people (in 100km) 0m (at 00:00) 1d 21:23 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: ""41km NE of Ndoi Island""

Fault parameters

  • Latitude: -20.406
  • Longitude: -178.399
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 617 km

Calculation parameters

  • Calculation space (lon/lat): -179.899, -21.906, -176.899, -18.906
  • 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.