M 6.8 in Fiji on 19 Aug 2018 04:28 UTC

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: 6.8M
Depth: 422.93 Km
Event Date: 19 Aug 2018 04:28 UTC
18 Aug 2018 16:28 Local
Exposed Population: About 100 people within 100km
Source: NEIC us1000gcwt
Inserted at: 19 Aug 2018 04:47 UTC
INFORM Coping capacity of the alert score:
1.1 (Fiji)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us1000gcwt Scaled population (vector) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  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
1224778 0 19 Aug 2018 04:28 6.6M, 430km N/A Few people (in 100km) 0m (at 00:00) 00:08 GEOFON
1224782 0 19 Aug 2018 04:28 6.7M, 464.6km 3.36 N/A (in MMI>=VII) 0m (at 00:00) 00:13 PTWC
1224783 0 19 Aug 2018 04:29 6.7M, 481km N/A No people affected (in 100km) 0m (at 00:00) 00:14 NTWC    
1224786 0 19 Aug 2018 04:28 6.8M, 422.93km 3.36 N/A (in MMI>=VII) 0m (at 00:00) 00:18 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: "282km ESE of Lambasa"

Fault parameters

  • Latitude: -16.953
  • Longitude: -178.028
  • Length: 39 km
  • Width: 11 km
  • Magnitude: 6.8 M

Okada parameters:

  • Slip: 1 m
  • Strike: 82 (geogr angle: north=0, south=180)
  • Dip: 80 degree
  • Rake: 90 degree
  • Depth: 423 km

Calculation parameters

  • Calculation space (lon/lat): -181.028, -19.953, -175.028, -13.953
  • 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.