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 | Viceroyalty of New Spain | 4.50–4.59 pH | 4.60–4.69 pH | 4.70–4.79 pH | 4.80–4.89 pH | 4.90–4.99 pH | 5.00–5.09 pH | 5.10–5.19 pH | 5.20–5.29 pH | ≥5.30 pH | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 1 | ||||||||||||||||||
Hawaii | |||||||||||||||||||
British Columbia | |||||||||||||||||||
Arizona | 93.6% | 1.23% | 98.8% | ||||||||||||||||
Utah | 1.69% | 98.3% | |||||||||||||||||
District of Columbia | 100% | ||||||||||||||||||
Florida | 98.6% | 1.32% | 13.8% | 25.9% | |||||||||||||||
Idaho | 4.63% | 95.4% | |||||||||||||||||
New Hampshire | 72.0% | 27.9% | |||||||||||||||||
Rhode Island | 2.00% | 3.88% | |||||||||||||||||
Vermont | 95.7% | 4.07% | |||||||||||||||||
Washington | 23.4% | 70.9% | |||||||||||||||||
Wyoming | 100% | ||||||||||||||||||
Montana | 9.26% | 90.7% | |||||||||||||||||
Maine | 17.3% | 69.8% | 10.8% | ||||||||||||||||
North Dakota | 100% | ||||||||||||||||||
Kentucky | 1.72% | 54.3% | 1.61% | 9.53% | |||||||||||||||
Virginia | 3.50% | 1.66% | 15.4% | ||||||||||||||||
Delaware | 17.4% | 81.8% | |||||||||||||||||
Mississippi | 99.9% | 14.3% | 79.0% | 5.27% | |||||||||||||||
West Virginia | 7.63% | 45.0% | 12.8% | 8.92% | |||||||||||||||
Nebraska | 100% | ||||||||||||||||||
Texas | 99.7% | 8.53% | 1.49% | 4.74% | 5.19% | 56.4% | |||||||||||||
Missouri | 33.1% | 26.1% | 26.9% | 12.0% | 34.2% | ||||||||||||||
Louisiana | 98.2% | 41.6% | 42.5% | 8.80% | 4.48% | 2.23% | |||||||||||||
North Carolina | 1.35% | 37.2% | 1.72% | 9.88% | |||||||||||||||
Oregon | 2.68% | 97.3% | |||||||||||||||||
Alabama | 99.9% | 84.6% | 13.4% | ||||||||||||||||
New Mexico | 92.3% | 4.15% | 91.3% | ||||||||||||||||
Kansas | 38.9% | 100% | |||||||||||||||||
Wisconsin | 4.01% | 46.8% | 27.3% | 21.3% | |||||||||||||||
New Jersey | 5.98% | 36.6% | 32.6% | 23.7% | |||||||||||||||
South Carolina | 0.669% | 33.6% | 64.2% | 2.08% | |||||||||||||||
Michigan | 24.0% | 10.0% | 4.73% | 13.3% | |||||||||||||||
Connecticut | 49.9% | 50.0% | |||||||||||||||||
Pennsylvania | 3.58% | 34.8% | 29.1% | 10.8% | |||||||||||||||
Colorado | 10.7% | 1.85% | 3.55% | 88.3% | |||||||||||||||
Nevada | 1 | 5.56% | 100% | ||||||||||||||||
Massachusetts | 98.2% | ||||||||||||||||||
Georgia | 86.5% | 7.01% | 3.21% | 2.51% | 3.47% | ||||||||||||||
New York | 4.25% | 52.6% | 35.3% | ||||||||||||||||
Maryland | 12.5% | 29.8% | 10.3% | ||||||||||||||||
Oklahoma | 100% | 2.73% | 5.70% | 91.6% | |||||||||||||||
Tennessee | 25.9% | 5.63% | 19.5% | 14.5% | 3.55% | ||||||||||||||
California | 1 | 25.7% | 99.7% | ||||||||||||||||
Arkansas | 98.5% | 17.5% | 40.8% | 7.44% | 10.2% | ||||||||||||||
South Dakota | 100% | ||||||||||||||||||
Ohio | 5.07% | 9.56% | 59.7% | 23.0% | |||||||||||||||
Indiana | 12.8% | 4.37% | 8.75% | 5.18% | |||||||||||||||
Minnesota | 2.86% | 4.42% | 92.3% | ||||||||||||||||
Iowa | 1.50% | 98.5% | |||||||||||||||||
Illinois | 39.9% | 27.0% | 15.0% | 3.08% | 9.73% | ||||||||||||||
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