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
Lat/Lon: 61.34 , -149.9366
Event Date: 30 Nov 2018 17:29 UTC
30 Nov 2018 08:29 Local
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 0.1 0.9
us1000hyfh Scaled population (vector) 4.13 Max wave alert 0.11m  
  C1 shakemap -0.59 Max wave realtime 0.11m  
  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
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 0.1m (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 0.1m (at 00:08) 00:27 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.

Exposed population

The earthquake happened in United States ,of Alaska (population 572,432) . The alertlevel for this event is ORANGE

Intensity Population
5700 people
76000 people
250000 people
85000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 1 1239019 61.318/-149.944 6.7 43.9 7.05 30 Nov 2018 17:43 00:14 (new episode)
2 1 1239027 61.318/-149.944 6.7 43.9 7.05 30 Nov 2018 17:44 00:14 (new episode)
3 1 1239028 61.318/-149.944 6.7 43.9 7.05 30 Nov 2018 17:45 00:15 (new episode)
4 0.8 1239028 61.318/-149.944 6.7 43.9 7.05 30 Nov 2018 17:50 00:21 (upd of #3)
5 0.8 1239035 61.333/-149.933 6.6 39.1 7.26 30 Nov 2018 17:57 00:27 (new episode)
6 1 1239035 61.333/-149.933 6.6 39.1 7.26 30 Nov 2018 18:02 00:33 (upd of #5)
7 0.8 1239035 61.333/-149.933 6.6 39.1 7.26 30 Nov 2018 18:21 00:52 (upd of #6)
8 0.9 1239035 61.333/-149.933 6.6 39.1 7.26 30 Nov 2018 18:40 01:11 (upd of #7)
9 0.9 1239035 61.34/-149.937 6.6 40.9 7.72 30 Nov 2018 23:11 05:41 (upd of #8)

Affected Provinces

Intensity Region Province Country Population
Alaska United States 5600 people
Alaska United States 76000 people
Alaska United States 250000 people
Alaska United States 85000 people
Alaska United States 24000 people
Alaska United States <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Bay City Alaska United States Village5 - 3 km
John Fitzgerald Kennedy City Alaska United States Village4 - 9 km
Eagle River Alaska United States Village5 - 20 km
Birchwood Alaska United States Village5 - 25 km
Chugiak Alaska United States Village4 - 25 km
Cottonwood Alaska United States Village4 - 27 km
Pittman Alaska United States Village5 - 32 km
Eklutna Alaska United States Village5 - 33 km
Houston Alaska United States Village5 1200 people 34 km
Wasilla Alaska United States Village5 5400 people 37 km
Tanaina Alaska United States Village5 4900 people 42 km
Anchorage Alaska United States Major city 260000 people 15 km
Spenard Alaska United States Village4 - 17 km
Nunaka Valley Alaska United States Village4 - 17 km
Alexander Alaska United States Village5 - 37 km
Willow Alaska United States Village5 1600 people 41 km
Kashwitna Alaska United States Village5 - 58 km
Girdwood Alaska United States Village5 - 59 km
Ladd Alaska United States Village5 - 70 km
Caswell Alaska United States Village5 - 72 km
McDougal Alaska United States Village5 - 80 km
Old Tyonek Alaska United States Village5 - 81 km
Montana Alaska United States Village5 - 82 km
Rainbow Alaska United States Village5 - 41 km
Matanuska Alaska United States Village5 - 44 km
Gateway Alaska United States Village5 2900 people 45 km
Palmer Alaska United States Village5 4500 people 53 km
Moose Creek Alaska United States Village4 - 61 km
Jonesville Alaska United States Village5 - 68 km
Eska Alaska United States Village5 - 71 km
Silvertip Alaska United States Village4 - 73 km
Saxton Alaska United States Village5 - 75 km
Portage Alaska United States Village5 - 76 km
Gilpatricks Alaska United States Village5 - 85 km
Tunnel Alaska United States Village5 - 89 km
Sunshine Alaska United States Village5 - 92 km
Grandview Alaska United States Village5 - 93 km
Skwentina Alaska United States Village5 - 95 km
Hunter Alaska United States Village5 - 96 km
Sterling Alaska United States Village5 4700 people 101 km
Nkishka No 2 Alaska United States Village5 - 102 km
Nikiski Alaska United States Village5 4300 people 104 km
Nikisnka Alaska United States Village5 - 108 km
Soldotna Alaska United States Village5 3700 people 113 km
Kenai Alaska United States Village5 6900 people 113 km
Soldocna Alaska United States Village5 - 113 km
Kustatan Alaska United States Village5 - 120 km
Peters Creek Alaska United States Village5 - 123 km
Kalifornsky Alaska United States Village4 5800 people 126 km
Cohoe Alaska United States Village5 1100 people 131 km
Kasilof Village Alaska United States Village5 - 133 km
Lawing Alaska United States Village5 - 109 km
Lakeview Alaska United States Village5 - 113 km
Port Nellie Juan Alaska United States Village5 - 130 km
Woodrow Alaska United States Village5 - 131 km
Bear Creek Alaska United States Village5 1700 people 134 km
Seward Alaska United States Major city 2800 people 137 km
Curry Alaska United States Village5 - 142 km
Chelatna Lodge Alaska United States Village4 - 145 km
Eureka Roadhouse Alaska United States Village4 - 161 km
Port Ashton Alaska United States Village5 - 175 km
San Juan Cannery Alaska United States Village4 - 176 km
Crab Bay Alaska United States Village4 - 177 km
Ellamar Alaska United States Village5 - 181 km
Latouche Alaska United States Village5 - 182 km
Kachemak Silo Alaska United States Village5 - 182 km
Valdez Alaska United States Village5 4000 people 193 km
Tazlina Alaska United States Village5 <1000 people 201 km
Anchor Point Alaska United States Village5 1800 people 203 km
Millers Landing Alaska United States Village4 - 204 km
Colorado Alaska United States Village4 - 204 km
Diamond Ridge Alaska United States Village5 1800 people 206 km
Homer Alaska United States Village5 3900 people 208 km
Broad Pass Alaska United States Village5 - 213 km
Tyone Village Alaska United States Village5 - 214 km
Wortmanns Alaska United States Village5 - 222 km
Summit Alaska United States Village5 - 226 km
Whitshed Alaska United States Village4 - 237 km
Farewell Alaska United States Village5 - 246 km
Kantishina Alaska United States Village5 - 249 km
Gakona Junction Alaska United States Village5 - 263 km
Minchumina Lake Alaska United States Village4 - 306 km
Port O'Brien Alaska United States Village5 - 445 km
Port Hobron Alaska United States Village5 - 501 km
McCord Alaska United States Village5 - 503 km
Nunamiut Alaska United States Village5 - 512 km
Ayakulik Alaska United States Village5 - 531 km
Kaguyak Alaska United States Village5 - 546 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)
Goose Bay 24 0
Little Susitna 21 0
Big Lake BGQ 46 0
Lincoln Village Airpark 76 0
Twin Lake 61 0
Hunt Strip 61 0
Sleepers Strip 38 0
Point Mackenzie 22 0
Bryant Ahp FRN 115 0
Anchorage International ANC 44 Civ. Paved Yes 11500
Fire Island 17 0
Settlers Bay Airstrip 55 0
Birchwood 29 Civ. Paved No 4000
Hilltop 114 0
Jack Fish Landing 46 0
Visnaw Lake 91 0
Satterburgs 107 0
Wicker WWA 96 Civ. Unpaved No 3700
Gannon's Landing 116 0
Wasilla Lake 101 0
Memory Lake 128 0
Elmendorf AFB EDF 65 Mil. Paved Yes 10000
Merrill Field MRI 42 Civ. Paved Yes 4000
Campbell Airstrip 87 0
Flying Crown 14 0
Rabbit Creek 11 0
Hardee Field 201 0
Nancy Lake 66 0
Honeybee Lake Aero Park 61 0
Gattis Strip 98 0
Boisselle's Strip 122 0
Bold 274 0
Hope 61 0
Laub 30 0
Jewell 34 0
Rustic Wilderness 58 0
Girdwood AQY 46 0
Beluga BVU 40 Priv. Unpaved Yes 5000
Tyonek TYE 34 0
South Gasline 116 0
Secluded Lake 91 0
Montana Creek 76 0
Parker Lake 76 0
Nikolai Creek 9 0
Colberg 38 0
Four Corners 91 0
Shirley Lake 56 0
Deshka Landing 34 0
B & B Boys Ranch 91 0
Willow WOW 67 Civ. Unpaved No 4400
Cardwell Strip 130 0
Sky Ranch At Pioneer Peak 37 0
Thomas Strip 58 0
Butte Municipal 20 0
Palmer Municipal PAQ 71 Civ. Paved Yes 6000
Wasilla Creek Airpark 84 0
Kashwitna Lake 57 0
Downwind Landing 67 0
Abi 229 0
Jonesville Mine 265 0
Summit Lake 396 0
Whittier 9 0
Skwentna SKW 45 Civ. Unpaved No 3400
Skilak Blm Helistop 84 0
Offshore Ststems-Kenai 46 0
Rotor Air 61 0
Carty's Airstrip 46 0
Dutch Landing Strip 91 0
Mackeys Lakes 53 0
Arness Lake 38 0
Dahler Homestead 91 0
Talkeetna TKA 109 Civ. Paved Yes 3500
Kenai Municipal ENA 28 Civ. Paved Yes 7500
Soldotna SXQ 33 Civ. Paved Yes 5000
Trading Bay Production 61 0
Gaede 35 0
Doyle Estates 15 0
Perry Island PYL unknown 0
Kasilof 38 0
Drift River DRF 9 0
West Papoose Lake Airpark 76 0
Graham 308 0
Quartz Creek JLA 137 0
Lawing 145 0
Victory 549 0
Farrars 572 0
Winter's Strip 34 0
Era Chulitna River 293 0
Seward SWD 7 Civ. Paved No 4200
Sheep Mountain SMU 838 0
Nugget Bench 613 0
Gunsight Mountain 899 0
Skelton 1002 0
Oceanic OCI unknown 0
Rainy Pass 579 0
Port Oceanic PRL unknown 0
Ninilchik NIN 84 0
Chenega Bay 22 0
Falls Bay Spb FLJ unknown 0
Ellamar ELW 8 0
Bear Cove Farm 35 0
Glacierview Strip 488 0
Valdez VDZ 37 Civ. Paved Yes 6500
Tazlina / Smokey Lake 734 0
Anchor River Airpark 37 0
Johnstone Point 5 0
Homer HOM 24 Civ. Paved Yes 7400
Igloo 610 0
Lake Louise 720 0
Tatitna 454 0
Purkeypile 594 0
Tolsona Lake 610 0
Oyster Cove 14 0
Summit UMM 734 0
Kasitsna 2 0
Thompson Pass 634 0
Boswell Bay BSW 70 0
Seldovia SOV 9 0
Golden North Airfield 686 0
Road Commission Nr 1 770 0
Tin Creek 351 0
Cantwell 668 0
Clearwater 884 0
Crosswind Lake 648 0
Camp Point 2 0
Farewell FWL 468 Civ. Unpaved No 4900
Glennallen GLQ unknown 0
Kantishna 480 0
Brenwicks 351 0
Gulkana GKN 481 Civ. Paved Yes 5000
Gakona GAK unknown 0
Minchumina MHM 208 Civ. Unpaved Yes 4200
Sparrevohn AFS SVW 483 Mil. Unpaved Yes 4100
San Juan / Uganik WSJ unknown 0
Kizhuyak KZH unknown 0
Zachar Bay KZB unknown 0
Larsen Bay 23 0
Amook Bay unknown 0
Karluk KYK 42 0
Old Harbor 17 0
Karluk Lake KKL 112 0
Olga Bay KOY unknown 0
Moser Bay KMY unknown 0
Akhiok AKK 13 0
The Queens 8 0
Alitak ALZ unknown 0
Sitkinak SKJ unknown 0

Ports

Intensity Name LOCODE Country
Anchorage USANC Wake Island
Tyonek USTYE Wake Island
Palmer Wake Island
Whittier USWQF Wake Island
Nikiski USNKI Wake Island
Kenai Wake Island
West Foreland USWFO Wake Island
Seward USSEW Wake Island
Drift River Wake Island
Ninilchik Wake Island
Crab Bay Wake Island
Valdez Marine Terminal Wake Island
Valdez USVDZ Wake Island
Snug Harbor Wake Island
Ola Wake Island
Homer USHOI Wake Island
Port Obrien Wake Island
Larsen Bay Wake Island
Karluk Wake Island
Port Hobron Wake Island
Three Saints Bay Wake Island
Trap Point Wake Island
Lazy Bay Wake Island
Kanakanak Wake Island

Dams

Intensity Reservoir Dam Name River Year
Terror Lake Terror River 1984

More information

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