M 7 in United States on 30 Nov 2018 17:29 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: 7.0M
Depth: 40.9 Km
Event Date: 30 Nov 2018 17:29 UTC
Exposed Population: 390000 people within 100km
Source: NEIC us1000hyfh
Inserted at: 30 Nov 2018 17:56 UTC
INFORM Coping capacity of the alert score: 2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0.9 0 0.9
us1000hyfh Scaled population (vector) 3.96 Max wave alert 0.11m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.65      
Maximum expected impact using different data sources.
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Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1239013 0.9 30 Nov 2018 17:29 6.7M, 43.9km N/A 390 thousand 0m (at 00:00) 00:04 ALASKA EC
1239017 0.9 30 Nov 2018 17:29 6.6M, 42.8km N/A 390 thousand 0m (at 00:00) 00:10 ALASKA EC
1239019 1 30 Nov 2018 17:29 6.6M, 35.5km 7.05 390 thousand 0m (at 00:00) 00:11 ALASKA EC
1239027 1 30 Nov 2018 17:29 6.7M, 31.1km 7.05 390 thousand 0m (at 00:00) 00:14 ALASKA EC
1239028 0.8 30 Nov 2018 17:29 6.6M, 39.1km 7.59 390 thousand 0m (at 00:00) 00:15 ALASKA EC
1239035 0.9 30 Nov 2018 17:29 7M, 40.9km 7.59 390 thousand 0m (at 02:06) 00:27 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
* 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 Tsunami wave height (m)
30-Nov-2018 17:47:65 Hope United States  0.1
30-Nov-2018 18:11:94 Sunrise United States  0.1
30-Nov-2018 18:09:73 Girdwood United States  0.1
30-Nov-2018 17:29:00 Potter Hill United States  0.1
30-Nov-2018 17:29:00 Anchorage United States  0.1
30-Nov-2018 18:01:55 Birchwood United States  0.1
30-Nov-2018 17:29:00 John Fitzgerald Kennedy City United States  0.1

See full locations list (RSS)


Initial conditions

Title: ""13km N of Anchorage""

Fault parameters

  • Length: 50 km
  • Width: 14 km
  • Magnitude: 7 M

Okada parameters:

  • Slip: 1.3 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 41 km

Calculation parameters

  • Calculation space (lon/lat): -154.437, 56.84, -145.437, 65.84
  • Instead of Step -> use Cell size:.75 minutes

Sea Level