M 4.5 in United States on 26 Nov 2020 21:12 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: 4.5M
Depth: 40.3 Km
Lat/Lon: 61.9841 , -149.9918
Event Date: 26 Nov 2020 21:12 UTC
26 Nov 2020 12:12 Local
Exposed Population:
400000 people within 100km
Source: ALASKA EC ak020f7rgkgu
Inserted at: 26 Nov 2020 21:26 UTC
INFORM Coping capacity of the alert score
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
ALASKA EC 0 0
ak020f7rgkgu Scaled population (vector) 5.06  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1345048 0 26 Nov 2020 21:12 4.5M, 33.5km N/A 400 thousand (in 100km) 00:04 ALASKA EC
1345051 0 26 Nov 2020 21:12 4.5M, 40.3km 3.49 400 thousand (in 100km) 00:14 ALASKA EC
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.

Exposed population

The earthquake happened in United States , State of Alaska (population 572,432) . The nearest places are Caswell, Montana, Kashwitna, Sunshine, Willow, Trapper Creek, Lucky Shot Landing, Talkeetna, Houston, Meadow Lakes, and Anchorage.

Radius Population
100 km 400000 people
75 km 100000 people
50 km 17000 people
20 km <1000 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
Caswell Alaska United States Village - 1 km
Montana Alaska United States Village - 11 km
Kashwitna Alaska United States Village - 15 km
Sunshine Alaska United States Village - 20 km
Willow Alaska United States Village 1700 people 31 km
Trapper Creek Alaska United States Village <1000 people 36 km
Lucky Shot Landing Alaska United States Village - 39 km
Talkeetna Alaska United States Village <1000 people 39 km
Houston Alaska United States Village 1200 people 39 km
Meadow Lakes Alaska United States Village 4800 people 45 km
McDougal Alaska United States Village - 47 km
Pittman Alaska United States Village - 48 km
Tanaina Alaska United States Village 5000 people 50 km
Big Lake Alaska United States Village 2600 people 51 km
Chase Alaska United States Village <1000 people 52 km
Wasilla Alaska United States Village 5500 people 53 km
Cottonwood Alaska United States Village - 57 km
Susitna Alaska United States Village <1000 people 57 km
Peters Creek Alaska United States Village - 58 km
Knik Alaska United States Village <1000 people 60 km
Gateway Alaska United States Village 3000 people 61 km
Moose Creek Alaska United States Village - 61 km
Jonesville Alaska United States Village - 62 km
Palmer Alaska United States Village 4500 people 63 km
Skwentina Alaska United States Village - 63 km
Eska Alaska United States Village - 63 km
Matanuska Alaska United States Village - 64 km
Sutton Alaska United States Village <1000 people 65 km
John Fitzgerald Kennedy City Alaska United States Village - 66 km
Eklutna Alaska United States Village - 67 km
Lazy Mountain Alaska United States Village 1200 people 68 km
Bay City Alaska United States Village - 69 km
Curry Alaska United States Village - 70 km
Butte Alaska United States Village 2600 people 70 km
Anchorage Alaska United States Major city 260000 people 87 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
Secluded Lake 91 0 5 km
Montana Creek 76 0 11 km
Rustic Wilderness 58 0 13 km
Kashwitna Lake 57 0 17 km
Thomas Strip 58 0 22 km
Willow WOW 67 Civ. Unpaved No 4400 26 km
Parker Lake 76 0 27 km
Shirley Lake 56 0 29 km
Honeybee Lake Aero Park 61 0 30 km
Laub 30 0 30 km
Deshka Landing 34 0 31 km
Nancy Lake 66 0 33 km
Satterburgs 107 0 38 km
Talkeetna TKA 109 Civ. Paved Yes 3500 38 km
Visnaw Lake 91 0 44 km
Jewell 34 0 45 km
Gannon's Landing 116 0 45 km
Hunt Strip 61 0 47 km
Twin Lake 61 0 47 km
Boisselle's Strip 122 0 48 km
Memory Lake 128 0 49 km
Lincoln Village Airpark 76 0 50 km
Big Lake BGQ 46 0 51 km
Wicker WWA 96 Civ. Unpaved No 3700 53 km
Wasilla Lake 101 0 54 km
Cardwell Strip 130 0 54 km
Gattis Strip 98 0 55 km
Wasilla Creek Airpark 84 0 55 km
Jack Fish Landing 46 0 57 km
Settlers Bay Airstrip 55 0 57 km
B & B Boys Ranch 91 0 58 km
Colberg 38 0 61 km
Jonesville Mine 265 0 63 km
Skwentna SKW 45 Civ. Unpaved No 3400 63 km
Abi 229 0 64 km
Palmer Municipal PAQ 71 Civ. Paved Yes 6000 65 km
Sky Ranch At Pioneer Peak 37 0 66 km
Goose Bay 24 0 66 km
Era Chulitna River 293 0 66 km
Birchwood 29 Civ. Paved No 4000 67 km
Four Corners 91 0 69 km
Downwind Landing 67 0 69 km
Hilltop 114 0 69 km
Little Susitna 21 0 70 km
Butte Municipal 20 0 72 km
Nugget Bench 613 0 77 km
Sleepers Strip 38 0 82 km
Graham 308 0 82 km
Point Mackenzie 22 0 82 km
Elmendorf AFB EDF 65 Mil. Paved Yes 10000 82 km
Bryant Ahp FRN 115 0 82 km
Merrill Field MRI 42 Civ. Paved Yes 4000 86 km
Bold 274 0 89 km
Hardee Field 201 0 89 km
Anchorage International ANC 44 Civ. Paved Yes 11500 90 km
Fire Island 17 0 91 km
Campbell Airstrip 87 0 93 km
Flying Crown 14 0 98 km

Ports

Name LOCODE Country Distance
Palmer Wake Island 67 km
Anchorage USANC Wake Island 87 km

More information

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