MapMaster 3

Atlas (Beta)

Earthquake Hazard Areas (U.S.)

North AmericaPhysical Environment

Areas in the United States with greater than 1% probability of potentially damaging ground shaking in one year

A map highlights earthquake hazard areas across the United States using a color-coded scheme to indicate different levels of hazard.

The lowest hazard areas are shaded in blue, covering parts of Texas, Florida, Iowa, North Dakota, and Wisconsin, as well as extreme northern regions of Alaska. Low hazard areas are shaded in purple, seen in regions such as parts of the eastern and middle United States, including Dallas, Chicago, and Washington D.C. Moderately low hazard areas are shaded in pink, found in central and northern Illinois, and spread across western parts including Oregon, Arizona, and New Mexico. Moderate hazard areas are shaded in orange, covering parts of the eastern and western regions, and most of Alaska. Moderately high hazard areas are shaded in yellow, covering regions such as the West Coast, including California, Oregon, and Washington, as well as Fairbanks in Alaska. High hazard areas are shaded in light brown, seen in parts of Anchorage and the western coastal regions. The highest hazard areas are shaded in dark brown, notably in regions like southern Alaska and parts of California, including the San Francisco and Los Angeles areas.

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Display by:	Earthquake Hazard Areas (U.S.)							British Empire, Early 1920s		Continental Shelf	Volcanoes
	Lowest hazard	Low hazard	Moderately low hazard	Moderate hazard	Moderately high hazard	High hazard	Highest hazard	Canada	Newfoundland	Continental Shelf	Adams	Akutan	Aniakchak	Atka	Bachelor	Baker	Belknap	Black Butte Crater Lava Field	Black Peak	Black Rock Desert	Blue Lake Crater	Buzzard Creek	Carrizozo	Chiginagak	Churchill	Cleveland	Crater Lake	Craters of the Moon	Dana	Davis Lake	Diamond Craters	Dotsero	Edgecumbe	Edziza	Fisher	Fourpeaked	Garibaldi	Glacier Peak	Golden Trout Creek	Great Sitkin	Griggs	Haleakala	Hayes	Hell's Half Acre	Hood	Hoodoo Mountain	Hualalai	Iliamna	Imuruk Lake	Indian Heaven	Iskut-Unuk River Cones	Jefferson	Jordan Craters	Kaguyak	Katmai	Kilauea	Kiska	Korovin	Kupreanof	Lassen Volcanic Center	Little Sitkin	Mageik	Makushin	Mammoth Mountain	Markagunt Plateau	Martin	Mauna Kea	Mauna Loa	Meager	Medicine Lake	Mono Lake Volcanic Field	Mono-Inyo Craters	Nazko	Newberry	Novarupta	Okmok	Pavlof	Rainier	Red Hill	Redoubt	Roundtop	Salton Buttes	San Francisco Volcanic Field	Sand Mountain Field	Seguam	Semisopochnoi	Shasta	Shishaldin	Snowy Mountain	Spurr	St. Helens	St. Paul Island	Takawangha	Tanaga	Three Sisters	Trident	Tseax River Cone	Ubehebe Craters	Ugashik-Peulik	Uinkaret Field	Ukinrek Maars	Veniaminof	Vsevidof	Wapi Lava Field	Wells Gray-Clearwater	West Crater	Westdahl	Wrangell	Yantarni	Yellowstone	Yunaska	Zuni-Bandera
District of Columbia		100%
Montana	20.1%	5.22%	15.0%	22.0%	2.02%
North Dakota	98.6%	1.38%
Kentucky		7.69%	64.8%	10.2%	7.55%	1.03%	3.57%
Mississippi		46.6%	33.2%	16.6%	3.37%
West Virginia		66.8%	33.2%
Nebraska	33.8%	2.42%	1.45%
Missouri	8.53%	41.8%	23.6%	11.8%	7.42%	1.26%	5.55%
Kansas	42.9%	9.98%
Wisconsin	95.7%	4.01%
South Carolina			22.6%	58.4%	8.92%	2.25%	7.66%
Pennsylvania		85.9%	14.1%
Nevada			6.24%	61.7%	15.9%	6.20%	1.29%
Oklahoma		43.3%	42.2%	13.7%
Tennessee			28.9%	15.6%	11.5%	1.92%	8.15%
Arkansas		17.3%	39.7%	21.2%	1.93%	2.11%	7.50%
South Dakota	27.5%	53.6%	8.87%
Ohio		85.3%	2.10%	1.52%
Indiana		50.5%	36.9%	9.25%	3.12%
Iowa	92.6%	7.45%
Illinois		52.5%	18.5%	13.6%	11.9%	1.07%	1.91%
Yukon								100%
New Hampshire			39.4%	60.3%				0.227%
Vermont			81.9%	18.1%				0.301%
Saskatchewan								100%
Michigan	74.0%	24.1%						0.112%
Alberta								100%
Manitoba								99.9%
Ontario								99.9%
Minnesota	99.1%							0.161%
Northwest Territories								98.8%		0.420%
Florida	87.3%	10.9%								1.79%
Rhode Island			93.7%							5.84%
Nunavut								97.0%		1.49%
Maine			63.3%	7.54%				0.770%		0.686%
Nova Scotia								93.4%		3.29%
Virginia	1.50%	39.8%	49.9%	5.34%						0.705%
Delaware		80.2%	18.7%							2.06%
Prince Edward Island								61.5%		12.7%
Texas	54.2%	29.7%	7.88%							0.261%
Louisiana	6.85%	90.8%	1.03%							1.29%
North Carolina	5.87%	47.3%	35.4%	9.17%	1.38%					0.611%
New Brunswick								98.3%		0.785%
Alabama	2.82%	40.6%	43.3%	7.23%						0.101%
Newfoundland and Labrador								1.10%	97.5%	2.04%
New Jersey		17.9%	69.2%	10.9%						2.40%
Connecticut			98.9%							0.150%
Massachusetts			79.0%	15.4%						4.75%
Georgia	4.38%	39.2%	43.9%	10.4%	1.79%					0.232%
New York		31.8%	35.5%	13.6%	7.01%			0.168%		0.761%
Maryland		87.1%	10.7%							2.12%
Québec								99.3%	0.194%	0.215%
Alaska	2.85%	1.92%	2.33%	38.6%	2.01%	5.60%	5.27%			1.23%		1	1	1					1			1		1	1	1			1				1		1	1				1	1		1					1	1					1	1		1	1	1		1	1	1			1									1	1	1			1	1				1	1		1	1	1		1	1	1		1			1		1	1	1				1	1	1		1
Arizona		6.30%	79.1%	4.42%																																																																															1																	1
Utah			12.7%	56.8%	6.12%	1.39%														1																																													1
Idaho		2.22%	24.8%	28.3%	9.56%													1										1																1																																																												1
Washington			25.6%	38.5%	19.2%	5.52%	10.1%			0.997%	1					1																						1												1																												1													1															1
Wyoming		5.20%	20.2%	63.6%	8.78%																																																																																																									1
Hawaii			7.50%	6.67%	9.71%	4.93%	52.2%																																			1					1									1											1	1
Oregon			1.50%	41.7%	13.0%	4.40%	4.75%								1		1				1						1			1	1														1							1	1																					1										1											1
New Mexico	7.73%	4.90%	54.5%	8.67%																			1																																																								1																																	1
British Columbia			2.06%					99.0%		1.05%																								1			1									1					1																		1				1																								1								1
Colorado	5.33%	26.1%	34.0%	32.6%																												1
California			3.21%	9.22%	1.48%	1.10%	28.4%			0.133%																													1																					1				1						1	1	1										1					1											1

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