M 6.3 in Pacific-Antarctic Ridge on 12 Dec 2018 13:13 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: 6.3M
Depth: 10 Km
Event Date: 12 Dec 2018 13:13 UTC
12 Dec 2018 04:13 Local
Exposed Population: No people within 100km
Source: NEIC us2000isw3
Inserted at: 13 Dec 2018 07:09 UTC
INFORM Coping capacity of the alert score:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us2000isw3 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
1240885 0 12 Dec 2018 13:14 5.5M, 10km N/A N/A (in MMI>=VII) 00:24 NEIC
1240922 0 12 Dec 2018 13:13 6.3M, 10km N/A N/A (in MMI>=VII) 0m (at 00:00) 04:00 NEIC
1240991 0 12 Dec 2018 13:13 6.3M, 10km N/A N/A (in MMI>=VII) 0m (at 00:00) 17:55 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: ""Pacific-Antarctic Ridge""

Fault parameters

  • Latitude: -55.799
  • Longitude: -128.478
  • Length: 22 km
  • Width: 6 km
  • Magnitude: 6.3 M

Okada parameters:

  • Slip: .6 m
  • Strike: 180 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -129.978, -57.299, -126.978, -54.299
  • 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.