Earthquakes
WorldPhysical EnvironmentTime series data showing locations and Richter scale magnitudes of significant earthquakes from 1800 BCE to 2019. Use timeline controls at bottom of the map to display data by time period.
NOAAA world map of earthquake activity from 2000 to 2019. Circles of varying sizes represent earthquake magnitudes, with larger circles for higher magnitudes. Significant activity is noted in Colombia, Iran, Turkey, Tanzania, and the North Atlantic Ocean.
Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Earthquakes | Approximate Form and Extent of Outcrop of Carbonate Rocks | Areas of serious concern | Areas of some concern | Stable terrain | Nonvegetated land | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 1 | 0.154% | ||||||||||||
Arizona | 30.7% | 40.9% | 28.4% | |||||||||||
Utah | 13.6% | 86.4% | ||||||||||||
Yukon | 100% | |||||||||||||
Northwest Territories | 3.06% | |||||||||||||
District of Columbia | 100% | |||||||||||||
Florida | 8.54% | 99.0% | ||||||||||||
Idaho | 12.7% | 87.3% | ||||||||||||
New Hampshire | 100% | |||||||||||||
Rhode Island | 95.0% | |||||||||||||
Vermont | 2.39% | 97.6% | ||||||||||||
Washington | 12.5% | 11.9% | 5.51% | |||||||||||
Wyoming | 3.04% | 97.0% | ||||||||||||
Nunavut | 0.587% | |||||||||||||
Montana | 5.14% | 83.8% | ||||||||||||
Maine | 0.171% | 80.4% | ||||||||||||
North Dakota | 92.0% | 8.03% | ||||||||||||
Kentucky | 1.28% | 1.37% | 98.6% | |||||||||||
Nova Scotia | 18.4% | |||||||||||||
Virginia | 15.1% | 25.7% | 74.1% | |||||||||||
Delaware | 99.3% | |||||||||||||
Prince Edward Island | 96.6% | |||||||||||||
Saskatchewan | 11.6% | 38.7% | 49.7% | |||||||||||
Mississippi | 18.4% | 64.8% | 16.8% | |||||||||||
West Virginia | 17.2% | 26.7% | 73.3% | |||||||||||
Nebraska | 94.5% | 5.51% | ||||||||||||
Texas | 2.21% | 13.8% | 77.2% | 8.74% | ||||||||||
Missouri | 53.7% | 46.3% | ||||||||||||
Louisiana | 0.161% | 18.9% | 29.5% | |||||||||||
Hawaii | 1.16% | |||||||||||||
North Carolina | 99.4% | |||||||||||||
Oregon | 0.146% | 13.9% | 59.9% | |||||||||||
New Brunswick | 35.3% | 63.9% | ||||||||||||
Alabama | 73.2% | 26.7% | ||||||||||||
New Mexico | 5.86% | 92.2% | 1.91% | |||||||||||
Kansas | 8.84% | 64.1% | 35.9% | |||||||||||
Wisconsin | 41.4% | 38.2% | 20.4% | |||||||||||
British Columbia | 3.99% | 0.242% | ||||||||||||
Newfoundland and Labrador | 24.7% | |||||||||||||
New Jersey | 99.1% | |||||||||||||
South Carolina | 90.8% | 9.02% | ||||||||||||
Michigan | 70.3% | 29.6% | ||||||||||||
Alberta | 3.89% | 14.0% | 65.8% | |||||||||||
Connecticut | 1.86% | 98.1% | ||||||||||||
Pennsylvania | 12.1% | 87.9% | ||||||||||||
Colorado | 35.4% | 64.6% | ||||||||||||
Nevada | 1 | 54.5% | 39.8% | 0.655% | ||||||||||
Massachusetts | 0.575% | |||||||||||||
Georgia | 5.65% | 64.0% | 35.9% | |||||||||||
New York | 2.49% | 25.0% | ||||||||||||
Maryland | 23.5% | 74.6% | ||||||||||||
Québec | 0.218% | 94.2% | ||||||||||||
Manitoba | 5.67% | 12.3% | 81.9% | |||||||||||
Oklahoma | 7.62% | 31.0% | 69.0% | |||||||||||
Tennessee | 0.744% | 4.84% | 95.2% | |||||||||||
Ontario | 8.22% | 91.7% | ||||||||||||
California | 1 | 10.6% | 60.7% | 22.9% | 5.57% | |||||||||
Arkansas | 31.1% | 68.9% | ||||||||||||
South Dakota | 56.9% | 43.1% | ||||||||||||
Ohio | 100% | |||||||||||||
Indiana | 2.05% | 97.9% | ||||||||||||
Minnesota | 26.5% | 61.6% | 11.9% | |||||||||||
Iowa | 99.1% | 0.440% | ||||||||||||
Illinois | 4.93% | 96.6% | 3.35% | |||||||||||
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