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.)							Oil Refineries																																																																Hydroelectric Power Production
	Lowest hazard	Low hazard	Moderately low hazard	Moderate hazard	Moderately high hazard	High hazard	Highest hazard	BP Amoco Cherry Point Refinery	BP Texas City Refinery	BP Toledo Refinery	BP West Coast Products Refinery	BP Whiting Refinery	Chalmette Refining LLC Refinery	Chevron El Segundo Refinery	Citgo Corpus Christi Refinery	Citgo Petroleum Corp Lake Charles Refinery	Coffeyville Resources Refinery	ConocoPhillips Alliance (Belle Chasse) Oil Refinery LA USA	ConocoPhillips Borger Refinery	ConocoPhillips Linden Refinery	ConocoPhillips Ponca City Refinery	ConocoPhillips Sweeny Refinery	ConocoPhillips Westlake Refinery	ConocoPhillips Wilmington Refinery	ConocoPhillips Wood River Refinery	Crown Central Petroleum Corp Refinery	Deer Park Refining LTD Ptnrshp Refinery	ExxonMobil Baytown Refinery USA	ExxonMobil Beaumont Refinery	ExxonMobil Joliet Refinery	ExxonMobil Torrance Refinery	Flint Hills Resources LP Refinery	Flint Hills Resources LP Saint Paul Refinery	Flint Hills Resources North Pole Refinery	Frontier Refining and Marketing Inc El Dorado Refinery	Imperial Oil Nanticoke Refinery	Imperial Oil Sarnia Refinery	Imperial Oil Strathcona Refinery	Irving Oil Limited Refinery	Lyondell Citgo Refining Houston Refinery	Marathon Ashland Petroleum LLC Catlettsburg Refinery	Marathon Ashland Petroleum LLC Garyville Refinery	Marathon Ashland Petroleum LLC Robinson Refinery	Motiva Enterprises LLC Convent Refinery	Motiva Enterprises LLC Norco Refinery	Motiva Enterprises LLC Port Arthur Refinery	Murphy Oil U.S.A. Inc Meraux Refinery	North Atlantic Refining Come by Chance Refinery	PBF Paulsboro Refinery NJ USA	PDV Midwest Refining LLC Lemont Refinery	Petro Canada Edmonton Refinery	Petro Canada Montreal Refinery	Premcor Refining Group Inc Lima Refinery	Premcor Refining Group Inc Memphis Refinery	Premcor Refining Group Inc Port Arthur Refinery	Premcore Refining Group Inc Delaware Refinery	Shell Anacortes Refinery	Shell Montreal East Refinery	Shell Oil Martinez Refinery	Shell Scotford Refinery	Sunoco Philadelphia Refinery	Sunoco Toledo Refinery	Tesoro Golden Eagle Martinez Refinery	Total Petrochemicals Inc Port Arthur Refinery	Ultramar(Valero) Jean-Gaulin Refinery	Valero Energy Corp Sunray Refinery	Valero Refining Co Corpus Christi West Refinery	Valero Refining Co Texas City Refinery	Valero Refining Corpus Christi East Plant	Valero Refining Port Arthur Refinery	Valero Saint Charles Oil Refinery LA USA	Valero Wilmington Refinery	Western Refining Co El Paso Refinery	Bad Creek Hydroelectric Power Plant SC USA	Bath County Pumped Storage Hydroelecric Power Plant VA USA	Beauharnois Hydroelectric Power Plant Canada	Bersimis-1 Hydroelectric Power Plant Canada	Blenheim Gilboa Pumped Storage Hydroelectric Power Plant NY USA	Bonneville Hydro Power Plant OR USA	Boundary Dam Hydro Power Plant WA USA	Castaic Pumped Storage Hydroelectric Power Plant CA USA	Chief Joseph Hydro Power Plant WA USA	Churchill Falls Hydroelectric Generating Station Canada	G M Shrum (W.A.C. Bennett) Hydroelectric Power Plant Canada	Glen Canyon Dam Hydro Power Plant AZ USA	Grand Coulee Hydro Power Plant WA USA	Helms Pumped Storage Hydroelectric Power Plant CA USA	Hoover Dam Hydro Power Plant AZ/NV USA	John Day Hydro Power Plant OR USA	Kettle Rapids Hydroelectric generating Station Canada	La Grande-1 Hydroelectric Generating Station Canada	La Grande-2-A Hydroelectric Generating Station Canada	La grande-3 Hydroelectric Generating Station Canada	La grande-4 Hydroelectric Generating Station Canada	Limestone Hydroelectric Generating Station Canada	Long Spruce Hydroelectric Geneerating Station Canada	Ludington Hydro Power Plant MI USA	Manic-2 (Jean-Lesage) Hydroelectric Generating Station Canada	Manic-3 (Rene-Levesque) Hydroelectric Generating Station Canada	Manic-5 Hydroelectric Generating Station Canada	Manic-5-PA Hydroelectric generating Station Canada	Mica Creek Hydroelectric Power Plant Canada	Muddy Run Pumped Storage Hydro Power Plant PA USA	Northfield Mountain Pumped Storage Hydro Power Plant MA USA	Outardes-3 Hydroelectric Power Plant Canada	R.H. Saunders Hydroelectric Power Plant Canada	Raccoon Mountain Pumped Storage Hydro Power Plant TN USA	Revelstoke Hydroelectric Power Plant Canada	Robert Moses Niagara Hydro Power Plant NY USA	Robert-Bourassa Hydroelectric Generating Station Canada	Rocky Mountain Pumped Storage Hydro Hydro Power Plant GA USA	Rocky Reach Hydro Power Plant WA USA	Sir Adam Beck II Hydroelectric Generating Station Canada	The Dalles Hydro Power Plant OR USA	Toktogul Hydroelectric Power Plant Kyrgyzstan	Wanapum Hydro Power Plant WA USA
Utah			12.7%	56.8%	6.12%	1.39%
District of Columbia		100%
Florida	87.3%	10.9%
Idaho		2.22%	24.8%	28.3%	9.56%
New Hampshire			39.4%	60.3%
Rhode Island			93.7%
Vermont			81.9%	18.1%
Wyoming		5.20%	20.2%	63.6%	8.78%
Montana	20.1%	5.22%	15.0%	22.0%	2.02%
Maine			63.3%	7.54%
North Dakota	98.6%	1.38%
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%
Hawaii			7.50%	6.67%	9.71%	4.93%	52.2%
North Carolina	5.87%	47.3%	35.4%	9.17%	1.38%
Alabama	2.82%	40.6%	43.3%	7.23%
New Mexico	7.73%	4.90%	54.5%	8.67%
Wisconsin	95.7%	4.01%
Colorado	5.33%	26.1%	34.0%	32.6%
Nevada			6.24%	61.7%	15.9%	6.20%	1.29%
Maryland		87.1%	10.7%
Arkansas		17.3%	39.7%	21.2%	1.93%	2.11%	7.50%
South Dakota	27.5%	53.6%	8.87%
Iowa	92.6%	7.45%
Alaska	2.85%	1.92%	2.33%	38.6%	2.01%	5.60%	5.27%																											1
Kentucky		7.69%	64.8%	10.2%	7.55%	1.03%	3.57%																																		1
Delaware		80.2%	18.7%																																																					1
Texas	54.2%	29.7%	7.88%						1						1				1			1				1	1	1	1			1								1						1									1									1		1	1	1	1	1			1
Louisiana	6.85%	90.8%	1.03%										1			1		1					1																			1		1	1		1																								1
New Brunswick																																							1
Kansas	42.9%	9.98%															1																		1
New Jersey		17.9%	69.2%	10.9%																1																													1
Alberta																																						1													1									1
Oklahoma		43.3%	42.2%	13.7%																	1
Ohio		85.3%	2.10%	1.52%						1																																											1									1
Indiana		50.5%	36.9%	9.25%	3.12%							1
Minnesota	99.1%																																1
Illinois		52.5%	18.5%	13.6%	11.9%	1.07%	1.91%																		1					1													1							1
Arizona		6.30%	79.1%	4.42%																																																																																	1			1
Washington			25.6%	38.5%	19.2%	5.52%	10.1%	1																																																	1																							1		1				1			1																							1				1
Virginia	1.50%	39.8%	49.9%	5.34%																																																																							1
Oregon			1.50%	41.7%	13.0%	4.40%	4.75%																																																																								1																																			1
British Columbia			2.06%																																																																																	1																		1						1
Newfoundland and Labrador																																																1																																			1
South Carolina			22.6%	58.4%	8.92%	2.25%	7.66%																																																																			1
Michigan	74.0%	24.1%																																																																																															1
Connecticut			98.9%																																																																																																																1
Pennsylvania		85.9%	14.1%																																																										1																																										1
Massachusetts			79.0%	15.4%																																																																																																				1
Georgia	4.38%	39.2%	43.9%	10.4%	1.79%																																																																																																										1
New York		31.8%	35.5%	13.6%	7.01%																																																																									1																															1				1
Québec																																																				1						1							1											1	1														1	1	1	1				1	1	1	1				1					1
Manitoba																																																																																										1					1	1
Tennessee			28.9%	15.6%	11.5%	1.92%	8.15%																																															1																																																					1
Ontario																																				1	1																																																																					1
California			3.21%	9.22%	1.48%	1.10%	28.4%				1			1										1							1																												1				1									1									1						1

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