M 6.6 in W. Caroline Islands, Micronesia from 08 Dec 2017 00:22 UTC to 00:22

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: 6.6M
Depth: 45 Km
Event Date: 08 Dec 2017 00:22 UTC
08 Dec 2017 09:22 Local
Exposed Population: No people within 100km
Source: NTWC     at00p0m19s
Inserted at: 08 Dec 2017 00:34 UTC
INFORM Coping capacity of the alert score:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC     0 0 0
at00p0m19s Scaled population (vector) 0 Max wave scenario 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
1190369 0.5 08 Dec 2017 00:22 6.7M, 10km N/A No people affected (in 100km) 00:06 GEOFON
1190370 0 08 Dec 2017 00:22 6.6M, 45.8km N/A No people affected (in 100km) 0m (at 00:00) 00:08 PTWC
1190373 0 08 Dec 2017 00:22 6.6M, 45km N/A No people affected (in 100km) 0m (at 00:00) 00:11 NTWC    
1190378 0 08 Dec 2017 00:22 6.5M, 7.48km 5.03 N/A (in MMI>=VII) 0m (at 00:00) 00:18 NEIC
1190388 0 08 Dec 2017 00:22 6.5M, 13.71km 5.29 N/A (in MMI>=VII) 0m (at 00:00) 02:06 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: "54km NW of Fais"

Fault parameters

  • Latitude: 10.158
  • Longitude: 140.215
  • Length: 31 km
  • Width: 8 km
  • Magnitude: 6.6 M

Okada parameters:

  • Slip: .9 m
  • Strike: 269 (geogr angle: north=0, south=180)
  • Dip: 43 degree
  • Rake: 90 degree
  • Depth: 46 km

Calculation parameters

  • Calculation space (lon/lat): 138.715, 8.658, 141.715, 11.658
  • 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.