M 5.8 in United States on 30 Nov 2018 17:35 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: 5.8M
Depth: 39.5 Km
Lat/Lon: 61.2075 , -149.8943
Event Date: 30 Nov 2018 17:35 UTC
30 Nov 2018 08:35 Local
Exposed Population: 120000 people in MMI
400000 people within 100km
Source: ALASKA EC ak20419042
Inserted at: 30 Nov 2018 17:46 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)		 GDACS score
ALASKA EC 0 0
ak20419042 Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.65  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1239030 0 30 Nov 2018 17:35 5.8M, 39.5km 4.75 N/A (in MMI>=VII) 00:10 ALASKA EC
1239039 0 30 Nov 2018 17:35 5.8M, 13.8km 6.09 N/A (in MMI>=VII) 00:28 ALASKA EC
1239041 0 30 Nov 2018 17:35 5.8M, 43.8km 6.09 N/A (in MMI>=VII) 00:37 ALASKA EC
1239042 0 30 Nov 2018 17:35 5.8M, 52.4km 6.09 N/A (in MMI>=VII) 00:39 ALASKA EC
1239046 0 30 Nov 2018 17:35 5.7M, 39.8km 6 N/A (in MMI>=VII) 00:50 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 ,of Alaska (population 58,270) . The alertlevel for this event is GREEN

Intensity Population
130000 people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1239030 61.208/-149.894 5.8 39.5 4.75 30 Nov 2018 18:00 00:25 (new episode)
2 0 1239039 61.208/-149.894 5.8 39.5 4.75 30 Nov 2018 18:04 00:28 (new episode)
3 0 1239039 61.186/-149.886 5.8 37.7 5.14 30 Nov 2018 18:10 00:34 (upd of #2)
4 0 1239039 61.186/-149.886 5.8 37.7 5.14 30 Nov 2018 18:12 00:37 (upd of #3)
5 0 1239041 61.186/-149.886 5.8 37.7 5.14 30 Nov 2018 18:13 00:37 (new episode)
6 0 1239042 61.186/-149.886 5.8 37.7 5.14 30 Nov 2018 18:15 00:39 (new episode)
7 0 1239046 61.172/-149.908 5.8 43.8 5.71 30 Nov 2018 18:26 00:50 (new episode)
8 0 1239046 61.172/-149.908 5.8 43.8 5.71 30 Nov 2018 18:28 00:52 (upd of #7)
9 0 1239046 61.259/-149.921 5.7 39.8 5.67 30 Nov 2018 18:48 01:12 (upd of #8)

Affected Provinces

Intensity Region Province Country Population
Alaska United States 58000 people
Alaska United States 370000 people
Alaska United States <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Anchorage Alaska United States Major city 260000 people 1 km
Spenard Alaska United States Village - 2 km
Nunaka Valley Alaska United States Village - 7 km
Bay City Alaska United States Village - 18 km
John Fitzgerald Kennedy City Alaska United States Village - 21 km
Eagle River Alaska United States Village - 22 km
Rainbow Alaska United States Village - 26 km
Chugiak Alaska United States Village - 31 km
Birchwood Alaska United States Village - 31 km
Cottonwood Alaska United States Village - 38 km
Eklutna Alaska United States Village - 40 km
Pittman Alaska United States Village - 45 km
Alexander Alaska United States Village - 45 km
Girdwood Alaska United States Village - 48 km
Wasilla Alaska United States Village 5500 people 48 km
Houston Alaska United States Village 1200 people 48 km
Matanuska Alaska United States Village - 51 km
Tanaina Alaska United States Village 5000 people 53 km
Gateway Alaska United States Village 3000 people 54 km
Willow Alaska United States Village 1700 people 56 km
Silvertip Alaska United States Village - 58 km
Palmer Alaska United States Village 4500 people 60 km
Saxton Alaska United States Village - 61 km
Portage Alaska United States Village - 65 km
Ladd Alaska United States Village - 68 km
Moose Creek Alaska United States Village - 70 km
Gilpatricks Alaska United States Village - 70 km
Kashwitna Alaska United States Village - 73 km
Jonesville Alaska United States Village - 77 km
Old Tyonek Alaska United States Village - 78 km
Eska Alaska United States Village - 79 km
Caswell Alaska United States Village - 87 km
Sterling Alaska United States Village 4700 people 89 km
McDougal Alaska United States Village - 94 km
Nkishka No 2 Alaska United States Village - 95 km
Nikiski Alaska United States Village 4300 people 97 km
Montana Alaska United States Village - 97 km
Nikisnka Alaska United States Village - 100 km
Soldotna Alaska United States Village 3800 people 102 km
Soldocna Alaska United States Village - 103 km
Kenai Alaska United States Village 6900 people 104 km
Sunshine Alaska United States Village - 107 km
Skwentina Alaska United States Village - 107 km
Kalifornsky Alaska United States Village 5800 people 116 km
Cohoe Alaska United States Village 1200 people 121 km
Kasilof Village Alaska United States Village - 122 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Merrill Field MRI 42 Civ. Paved Yes 4000 3 km
Sleepers Strip 38 0 6 km
Anchorage International ANC 44 Civ. Paved Yes 11500 7 km
Elmendorf AFB EDF 65 Mil. Paved Yes 10000 7 km
Campbell Airstrip 87 0 8 km
Point Mackenzie 22 0 9 km
Flying Crown 14 0 11 km
Bryant Ahp FRN 115 0 14 km
Rabbit Creek 11 0 15 km
Fire Island 17 0 15 km
Goose Bay 24 0 21 km
Little Susitna 21 0 27 km
Hardee Field 201 0 31 km
Birchwood 29 Civ. Paved No 4000 32 km
Hilltop 114 0 34 km
Settlers Bay Airstrip 55 0 36 km
Big Lake BGQ 46 0 37 km
Hope 61 0 37 km
Lincoln Village Airpark 76 0 40 km
Twin Lake 61 0 41 km
Jack Fish Landing 46 0 44 km
Hunt Strip 61 0 44 km
Wicker WWA 96 Civ. Unpaved No 3700 46 km
Visnaw Lake 91 0 48 km
Gannon's Landing 116 0 49 km
Wasilla Lake 101 0 49 km
Satterburgs 107 0 49 km
Girdwood AQY 46 0 49 km
Four Corners 91 0 51 km
Bold 274 0 51 km
Colberg 38 0 51 km
Gattis Strip 98 0 53 km
Nancy Lake 66 0 53 km
Memory Lake 128 0 53 km
B & B Boys Ranch 91 0 54 km
Sky Ranch At Pioneer Peak 37 0 56 km
Honeybee Lake Aero Park 61 0 57 km
Cardwell Strip 130 0 57 km
Boisselle's Strip 122 0 57 km
South Gasline 116 0 59 km
Butte Municipal 20 0 59 km
Shirley Lake 56 0 60 km
Deshka Landing 34 0 60 km
Palmer Municipal PAQ 71 Civ. Paved Yes 6000 61 km
Willow WOW 67 Civ. Unpaved No 4400 62 km
Beluga BVU 40 Priv. Unpaved Yes 5000 62 km
Downwind Landing 67 0 63 km
Wasilla Creek Airpark 84 0 64 km
Abi 229 0 65 km
Thomas Strip 58 0 66 km
Summit Lake 396 0 66 km
Laub 30 0 67 km
Jewell 34 0 67 km
Tyonek TYE 34 0 69 km
Kashwitna Lake 57 0 71 km
Rustic Wilderness 58 0 75 km
West Papoose Lake Airpark 76 0 76 km
Jonesville Mine 265 0 78 km
Nikolai Creek 9 0 87 km
Skilak Blm Helistop 84 0 87 km
Rotor Air 61 0 89 km
Dutch Landing Strip 91 0 91 km
Secluded Lake 91 0 91 km
Offshore Ststems-Kenai 46 0 93 km
Carty's Airstrip 46 0 94 km
Mackeys Lakes 53 0 97 km
Dahler Homestead 91 0 97 km
Montana Creek 76 0 97 km
Parker Lake 76 0 98 km
Arness Lake 38 0 99 km
Kenai Municipal ENA 28 Civ. Paved Yes 7500 102 km
Soldotna SXQ 33 Civ. Paved Yes 5000 103 km
Gaede 35 0 107 km
Doyle Estates 15 0 108 km
Skwentna SKW 45 Civ. Unpaved No 3400 109 km
Trading Bay Production 61 0 112 km
Kasilof 38 0 121 km
Talkeetna TKA 109 Civ. Paved Yes 3500 125 km
Winter's Strip 34 0 127 km

Ports

Intensity Name LOCODE Country Distance
Anchorage USANC Wake Island 2 km
Palmer Wake Island 56 km
Tyonek USTYE Wake Island 69 km
Kenai Wake Island 104 km

More information

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