M 6.6 in United States on 30 Nov 2018 17:29 UTC

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 6.6M
Depth: 35.5 Km
Lat/Lon: 61.3321 , -149.9326
Event Date: 30 Nov 2018 17:29 UTC
Exposed Population: 390000 people within 100km
Source: ALASKA EC ak20419010
Inserted at: 30 Nov 2018 17:40 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
ALASKA EC 1 0 1
ak20419010 Scaled population (vector) 0 Max wave alert 0m  
  C1 shakemap 0 Max wave realtime 0m  
  C2 shakemap 0      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.

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.

Exposed population

The earthquake happened in United States , State of Alaska (population 572,432) . The nearest places are Bay City, Tuomi, John Fitzgerald Kennedy City, Wilson Village, Anchorage, Artesian Village, Spenard, Fort Richardson, Homesite Park, Green Acres, and Ladd.

Radius Population
100 km 390000 people
75 km 380000 people
50 km 350000 people
20 km 180000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Alaska United States 570000 people

Affected populated places

Name Region Province Country City class Population Distance
Bay City Alaska United States Village5 - 5 km
Tuomi Alaska United States Village6 - 9 km
John Fitzgerald Kennedy City Alaska United States Village4 - 11 km
Wilson Village Alaska United States Village6 - 13 km
Anchorage Alaska United States Major city 260000 people 15 km
Artesian Village Alaska United States Village6 - 15 km
Spenard Alaska United States Village4 - 16 km
Fort Richardson Alaska United States Village6 - 17 km
Homesite Park Alaska United States Village6 - 17 km
Green Acres Alaska United States Village6 - 17 km
Nunaka Valley Alaska United States Village4 - 17 km
Campbell Alaska United States Village6 - 18 km
Knik Alaska United States Village6 <1000 people 19 km
Eagle River Alaska United States Village5 - 21 km
Big Lake Alaska United States Village6 2600 people 22 km
Knik Heights Alaska United States Village6 - 27 km
Birchwood Alaska United States Village5 - 27 km
Chugiak Alaska United States Village4 - 27 km
Potter Hill Alaska United States Village6 - 29 km
Cottonwood Alaska United States Village4 - 29 km
Peters Creek Alaska United States Village6 - 29 km
Pittman Alaska United States Village5 - 34 km
Houston Alaska United States Village5 1200 people 35 km
Eklutna Alaska United States Village5 - 35 km
Alexander Alaska United States Village5 - 35 km
Susitna Alaska United States Village6 <1000 people 37 km
Meadow Lakes Alaska United States Village6 4800 people 38 km
Wasilla Alaska United States Village5 5400 people 39 km
Rainbow Alaska United States Village5 - 40 km
Willow Alaska United States Village5 1600 people 42 km
Tanaina Alaska United States Village5 4900 people 44 km
Matanuska Alaska United States Village5 - 46 km
Gateway Alaska United States Village5 2900 people 47 km
Hope Alaska United States Village6 <1000 people 49 km
Butte Alaska United States Village6 2500 people 54 km
Palmer Alaska United States Village5 4500 people 55 km
Sunrise Alaska United States Village6 <1000 people 57 km
Lucky Shot Landing Alaska United States Village6 - 58 km
Beluga Alaska United States Village6 <1000 people 59 km
Kashwitna Alaska United States Village5 - 59 km
Girdwood Alaska United States Village5 - 60 km
Alyeska Alaska United States Village6 - 62 km
Moose Creek Alaska United States Village4 - 63 km
Lazy Mountain Alaska United States Village6 1100 people 64 km
Ladd Alaska United States Village5 - 67 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Sleepers Strip 38 0 9 km
Point Mackenzie 22 0 10 km
Goose Bay 24 0 10 km
Elmendorf AFB EDF 65 Mil. Paved Yes 10000 13 km
Merrill Field MRI 42 Civ. Paved Yes 4000 14 km
Little Susitna 21 0 16 km
Anchorage International ANC 44 Civ. Paved Yes 11500 17 km
Bryant Ahp FRN 115 0 18 km
Fire Island 17 0 21 km
Campbell Airstrip 87 0 22 km
Big Lake BGQ 46 0 24 km
Flying Crown 14 0 26 km
Settlers Bay Airstrip 55 0 27 km
Birchwood 29 Civ. Paved No 4000 27 km
Lincoln Village Airpark 76 0 28 km
Twin Lake 61 0 29 km
Rabbit Creek 11 0 29 km
Hilltop 114 0 30 km
Hunt Strip 61 0 33 km
Satterburgs 107 0 36 km
Jack Fish Landing 46 0 36 km
Hardee Field 201 0 36 km
Visnaw Lake 91 0 36 km
Wicker WWA 96 Civ. Unpaved No 3700 37 km
Gannon's Landing 116 0 38 km
Nancy Lake 66 0 40 km
Wasilla Lake 101 0 41 km
Honeybee Lake Aero Park 61 0 43 km
Memory Lake 128 0 44 km
Gattis Strip 98 0 45 km
Colberg 38 0 45 km
Shirley Lake 56 0 45 km
Deshka Landing 34 0 45 km
Four Corners 91 0 47 km
Willow WOW 67 Civ. Unpaved No 4400 47 km
B & B Boys Ranch 91 0 48 km
Boisselle's Strip 122 0 48 km
Cardwell Strip 130 0 49 km
Sky Ranch At Pioneer Peak 37 0 51 km
Hope 61 0 51 km
Thomas Strip 58 0 52 km
Laub 30 0 52 km
Bold 274 0 53 km
Jewell 34 0 54 km
Butte Municipal 20 0 55 km
Palmer Municipal PAQ 71 Civ. Paved Yes 6000 56 km
Wasilla Creek Airpark 84 0 56 km
Kashwitna Lake 57 0 57 km
Downwind Landing 67 0 59 km
Abi 229 0 60 km
Beluga BVU 40 Priv. Unpaved Yes 5000 60 km
Girdwood AQY 46 0 61 km
Rustic Wilderness 58 0 61 km
Tyonek TYE 34 0 69 km
Jonesville Mine 265 0 71 km
South Gasline 116 0 71 km
Secluded Lake 91 0 78 km
Summit Lake 396 0 81 km
Montana Creek 76 0 83 km
Parker Lake 76 0 83 km
Nikolai Creek 9 0 87 km
West Papoose Lake Airpark 76 0 89 km
Whittier 9 0 91 km
Graham 308 0 94 km
Quartz Creek JLA 137 0 95 km
Skwentna SKW 45 Civ. Unpaved No 3400 96 km
Offshore Ststems-Kenai 46 0 98 km
Skilak Blm Helistop 84 0 98 km
Rotor Air 61 0 99 km
Carty's Airstrip 46 0 100 km
Dutch Landing Strip 91 0 101 km

Ports

Name LOCODE Country Distance
Anchorage USANC Wake Island 14 km
Palmer Wake Island 52 km
Tyonek USTYE Wake Island 70 km
Whittier USWQF Wake Island 94 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.