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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

USGS

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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Earthquake Hazard Areas (U.S.)

Lightning Frequency

Oil Refineries

Mass Shootings (U.S.)

Lowest hazard

Low hazard

Moderately low hazard

Moderate hazard

Moderately high hazard

High hazard

Highest hazard

Lightning Frequency

<0.1 flashes/km²/year

0.1 flashes/km²/year

0.2 flashes/km²/year

0.4 flashes/km²/year

0.6 flashes/km²/year

0.8 flashes/km²/year

1 flash/km²/year

2 flashes/km²/year

4 flashes/km²/year

6 flashes/km²/year

8 flashes/km²/year

10 flashes/km²/year

20 flashes/km²/year

30 flashes/km²/year

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

Accent Signage Systems shooting

Air Force base shooting

Alturas tribal shooting

Amish school shooting

Atlanta day trading spree killings

Atlanta massage parlor shootings

Atlantis Plastics shooting

Aurora theater shooting

Baton Rouge police shooting

Binghamton shootings

Boulder supermarket shooting

Buffalo supermarket massacre

Caltrans maintenance yard shooting

Capital Gazette shooting

Capitol Hill massacre

Carthage nursing home shooting

Cascade Mall shooting

Charleston Church Shooting

Chattanooga military recruitment center

Chuck E. Cheese's killings

Church potluck dinner shooting

Coffee shop police killings

Colorado Springs shooting rampage

Columbine High School massacre

Concrete company shooting

Connecticut Lottery shooting

Crandon shooting

Dallas nightclub shooting

Dallas police shooting

Damageplan show shooting

Dayton entertainment district shooting

Edgewood businees park shooting

El Paso Walmart mass shooting

ESL shooting

Excel Industries mass shooting

FedEx warehouse shooting

Fifth Third Center shooting

Florida awning manufacturer shooting

Fort Hood massacre

Fort Hood shooting 2

Fort Lauderdale airport shooting

Fresno downtown shooting

Gilroy garlic festival shooting

GMAC massacre

Goleta postal shootings

Greenwood Park Mall shooting

Half Moon Bay spree shooting

Harry Pratt Co. warehouse shooting

Hartford Beer Distributor shooting

Hialeah apartment shooting

Highland Park July 4 parade shooting

Hotel shooting

IHOP shooting

Isla Vista mass murder

Kalamazoo shooting spree

Kirkwood City Council shooting

LA dance studio mass shooting

Las Vegas Strip massacre

LGBTQ club shooting

Lindhurst High School shooting

Living Church of God shooting

Lockheed Martin shooting

Long Island Rail Road massacre

Louisville bank shooting

Luby's massacre

Luigi's shooting

Marjory Stoneman Douglas High School shooting

Marysville-Pilchuck High School shooting

Mercy Hospital shooting

Michigan State University shooting

Mohawk Valley shootings

Molson Coors shooting

Nashville Christian school shooting

Navistar shooting

New Mexico neighborhood shooting

Northern Illinois University shooting

Odessa-Midland shooting spree

Oikos University killings

Orange office complex shooting

Orlando nightclub massacre

Oxford High School shooting

Pennsylvania carwash shooting

Pennsylvania hotel bar shooting

Pennsylvania supermarket shooting

Pensacola Naval base shooting

Philidelphia neighborhood shooting

Pinewood Village Apartment shooting

Planned Parenthood clinic

R.E. Phelon Company shooting

Raleigh spree shooting

Rancho Tehama shooting spree

Red Lake massacre

Rite Aid warehouse shooting

Robb Elementary School massacre

Royal Oak postal shootings

Rural Ohio nursing home shooting

Sacramento County church shooting

San Bernardino mass shooting

San Francisco UPS shooting

San Jose VTA shooting

San Ysidro McDonald's massacre

Sandy Hook Elementary massacre

Santa Fe High School shooting

Santa Monica rampage

Seal Beach shooting

Seattle cafe shooting

Shopping centers spree killings

Sikh temple shooting

Springfield convenience store shooting

Standard Gravure shooting

Stockton schoolyard shooting

Su Jung Health Sauna shooting

SunTrust bank shooting

T&T Trucking shooting

Texas First Baptist Church massacre

Texas outlet mall shooting

Thousand Oaks nightclub shooting

Thurston High School shooting

Tree of Life synagogue shooting

Trestle Trail bridge shooting

Trolley Square shooting

Tucson shooting

Tulsa medical center shooting

Umpqua Community College shooting

United States Postal Service shooting

University of Iowa shooting

University of Virginia shooting

Virginia Beach municipal building shooting

Virginia Tech massacre

Virginia Walmart shooting

Waffle House shooting

Wakefield massacre

Walmart shooting in suburban Denver

Walter Rossler Company massacre

Washington Navy Yard shooting

Watkins Glen killings

Wedgwood Baptist Church shooting

Welding shop shooting

Westroads Mall shooting

Westside Middle School killings

Xerox killings

Yountville veterans home shooting

Yukon
2.57%1.17%39.3%42.1%0.676%0.532%2.01%
Northwest Territories
10.4%11.3%1.93%1.61%13.9%14.4%4.36%8.69%
Idaho
2.22%24.8%28.3%9.56%8.51%90.0%
New Hampshire
39.4%60.3%77.0%23.0%
Rhode Island
93.7%100%
Vermont
81.9%18.1%4.97%95.0%
Wyoming
5.20%20.2%63.6%8.78%48.7%16.7%16.6%10.4%7.61%
Nunavut
41.3%36.7%7.71%1.80%1.53%0.139%
Montana
20.1%5.22%15.0%22.0%2.02%1.84%16.7%6.56%12.0%2.35%
Maine
63.3%7.54%5.45%71.9%
North Dakota
98.6%1.38%5.40%24.2%48.6%17.6%
Nova Scotia
8.11%10.6%36.1%17.3%27.8%
Prince Edward Island
2.52%8.96%20.3%68.2%
Saskatchewan
0.267%0.717%31.5%16.7%3.54%
West Virginia
66.8%33.2%90.8%9.25%
British Columbia
2.06%1.64%6.95%12.6%20.1%4.57%5.28%0.164%6.19%
Manitoba
2.65%4.40%2.91%25.0%48.7%10.4%
South Dakota
27.5%53.6%8.87%2.09%52.0%45.9%
Alaska
2.85%1.92%2.33%38.6%2.01%5.60%5.27%6.63%1.78%25.5%0.226%5.17%1
Delaware
80.2%18.7%1.09%21.6%74.1%3.24%1
New Brunswick
0.276%0.234%58.0%1
Newfoundland and Labrador
5.05%7.84%8.94%30.5%12.3%3.57%0.308%1
New Jersey
17.9%69.2%10.9%9.73%90.3%11
Alberta
22.8%73.1%3.13%111
Québec
11.0%4.90%11.5%3.83%3.39%3.67%19.7%17.8%0.183%111
Ontario
2.58%3.28%0.872%19.2%2.31%2.14%0.326%0.285%11
Arizona
6.30%79.1%4.42%1.13%23.6%20.0%37.0%18.2%1
Utah
12.7%56.8%6.12%1.39%22.2%65.3%0.130%1
District of Columbia
100%100%1
Florida
87.3%10.9%0.168%52.7%47.1%11111111111
Washington
25.6%38.5%19.2%5.52%10.1%1.04%10.6%19.8%20.2%12.1%35.6%0.648%111111111
Kentucky
7.69%64.8%10.2%7.55%1.03%3.57%100%1111
Virginia
1.50%39.8%49.9%5.34%0.585%33.4%66.0%1111
Mississippi
46.6%33.2%16.6%3.37%53.6%46.4%1
Nebraska
33.8%2.42%1.45%2.93%89.3%7.74%1
Texas
54.2%29.7%7.88%1.17%8.70%65.9%24.2%11111111111111111111111111111111
Missouri
8.53%41.8%23.6%11.8%7.42%1.26%5.55%97.2%2.76%11
Louisiana
6.85%90.8%1.03%100%1111111111
Hawaii
7.50%6.67%9.71%4.93%52.2%0.113%0.444%32.9%60.0%1
North Carolina
5.87%47.3%35.4%9.17%1.38%100%111
Oregon
1.50%41.7%13.0%4.40%4.75%0.565%3.81%5.52%5.86%3.52%49.6%23.8%11
Alabama
2.82%40.6%43.3%7.23%41.8%58.2%1
New Mexico
7.73%4.90%54.5%8.67%7.94%33.3%53.7%1
Kansas
42.9%9.98%96.1%3.88%111
Wisconsin
95.7%4.01%0.368%53.9%28.7%12.9%3.74%11111
South Carolina
22.6%58.4%8.92%2.25%7.66%85.1%14.9%11
Michigan
74.0%24.1%1.83%31.7%16.4%14.6%8.66%1111
Connecticut
98.9%77.5%20.8%1.09%111
Pennsylvania
85.9%14.1%7.74%34.9%57.3%1111111
Colorado
5.33%26.1%34.0%32.6%3.18%32.7%15.2%10.5%30.1%8.34%11111111
Nevada
6.24%61.7%15.9%6.20%1.29%1.83%39.4%47.0%11.8%11
Massachusetts
79.0%15.4%2.27%79.0%18.5%1
Georgia
4.38%39.2%43.9%10.4%1.79%48.4%51.6%111
New York
31.8%35.5%13.6%7.01%16.1%65.1%18.0%0.137%11111
Maryland
87.1%10.7%2.23%17.7%58.3%21.7%1111
Oklahoma
43.3%42.2%13.7%64.4%35.6%111
Tennessee
28.9%15.6%11.5%1.92%8.15%100%1111
California
3.21%9.22%1.48%1.10%28.4%2.29%10.6%16.3%5.69%2.96%35.4%15.6%1.52%1111111111111111111111111111111
Arkansas
17.3%39.7%21.2%1.93%2.11%7.50%15.7%84.3%1
Ohio
85.3%2.10%1.52%23.4%76.6%1111111
Indiana
50.5%36.9%9.25%3.12%100%111
Minnesota
99.1%13.4%3.05%20.4%21.8%9.11%111
Iowa
92.6%7.45%5.30%6.65%14.4%73.6%1
Illinois
52.5%18.5%13.6%11.9%1.07%1.91%1.50%98.5%111111111
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