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MapMaster 3

Volcanoes

WorldPhysical Environment

Time series map animation showing locations of significant volcanic eruptions from 1800 to 2019. Use timeline controls at bottom of the map to display data by time period.

NOAA

A world map showing volcanoes active between 1800 and 2020. Volcanoes are scattered globally, with notable concentrations in the western US, Mexico, Central America, the Andes, the Mediterranean, East Africa, Southeast Asia, and the Pacific Ring of Fire.

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Volcanoes

Approximate Form and Extent of Outcrop of Carbonate Rocks

Average Distribution of Dew Point Temperatures, July

Major Iron-Producing Areas in North America

Lightning Frequency

Cleveland

Hood

Hualalai

Kilauea

Mauna Loa

Novarupta

Okmok

Redoubt

Shishaldin

Spurr

St. Helens

Vsevidof

Westdahl

Yellowstone

Approximate Form and Extent of Outcrop of Carbonate Rocks

20–29°F

30–39°F

40–49°F

50–54°F

55–59°F

60–64°F

65–70°F

More than 70°F

Major Iron-Producing Areas in North America

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

Alaska
111121116.63%1.78%25.5%0.226%5.17%
Arizona
3.28%52.5%1.52%4.55%1.19%1.13%23.6%20.0%37.0%18.2%
Utah
4.62%12.3%1.60%1.99%22.2%65.3%0.130%
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%
District of Columbia
100%100%
Florida
8.54%15.7%50.5%0.168%52.7%47.1%
Idaho
41.4%1.00%8.51%90.0%
New Hampshire
51.0%48.6%77.0%23.0%
Rhode Island
40.8%3.92%100%
Vermont
67.8%5.13%4.97%95.0%
Washington
21.69%1.65%13.3%1.04%10.6%19.8%20.2%12.1%35.6%0.648%
Wyoming
16.20%1.64%53.8%3.89%48.7%16.7%16.6%10.4%7.61%
Nunavut
41.3%36.7%7.71%1.80%1.53%0.139%
Montana
12.5%64.6%1.73%1.84%16.7%6.56%12.0%2.35%
Maine
1.90%1.80%5.45%71.9%
North Dakota
7.69%68.5%22.9%5.40%24.2%48.6%17.6%
Kentucky
1.28%74.1%25.9%100%
Nova Scotia
8.11%10.6%36.1%17.3%27.8%
Virginia
15.1%5.66%52.3%20.9%1.66%0.585%33.4%66.0%
Delaware
70.5%28.7%1.09%21.6%74.1%3.24%
Prince Edward Island
2.52%8.96%20.3%68.2%
Saskatchewan
0.267%0.717%31.5%16.7%3.54%
Mississippi
72.7%26.9%53.6%46.4%
West Virginia
17.2%18.6%7.46%90.8%9.25%
Nebraska
1.70%23.3%39.4%35.0%2.93%89.3%7.74%
Texas
2.21%7.25%23.2%29.8%25.4%11.4%1.17%8.70%65.9%24.2%
Missouri
79.9%3.80%97.2%2.76%
Louisiana
31.8%67.8%100%
Hawaii
11430.113%0.444%32.9%60.0%
North Carolina
1.46%1.28%68.8%100%
Oregon
23.51%53.1%4.57%0.565%3.81%5.52%5.86%3.52%49.6%23.8%
New Brunswick
0.276%0.234%58.0%
Alabama
94.8%3.85%1.64%41.8%58.2%
New Mexico
1.12%55.1%17.6%5.37%7.94%33.3%53.7%
Kansas
8.84%1.72%30.3%60.6%7.43%96.1%3.88%
Wisconsin
4.55%71.2%1.80%0.368%53.9%28.7%12.9%3.74%
British Columbia
1.64%6.95%12.6%20.1%4.57%5.28%0.164%6.19%
Newfoundland and Labrador
5.05%7.84%8.94%30.5%12.3%3.57%0.308%
New Jersey
35.4%64.3%9.73%90.3%
South Carolina
1.35%88.9%5.34%85.1%14.9%
Michigan
3.53%60.8%2.65%3.89%1.83%31.7%16.4%14.6%8.66%
Alberta
22.8%73.1%3.13%
Connecticut
74.5%20.0%77.5%20.8%1.09%
Pennsylvania
4.44%3.41%11.0%1.67%7.74%34.9%57.3%
Colorado
1.05%16.7%24.1%3.18%32.7%15.2%10.5%30.1%8.34%
Nevada
8.38%55.6%2.02%1.83%39.4%47.0%11.8%
Massachusetts
3.88%49.9%35.1%2.27%79.0%18.5%
Georgia
5.65%9.84%70.8%17.4%48.4%51.6%
New York
1.78%9.58%8.48%1.26%4.91%16.1%65.1%18.0%0.137%
Maryland
12.3%72.0%14.7%2.23%17.7%58.3%21.7%
Québec
11.0%4.90%11.5%3.83%3.39%3.67%19.7%17.8%0.183%
Manitoba
2.65%4.40%2.91%25.0%48.7%10.4%
Oklahoma
7.62%2.09%6.06%3.01%9.12%64.4%35.6%
Tennessee
0.744%3.53%55.1%100%
Ontario
2.58%3.28%0.872%19.2%2.31%2.14%0.326%0.285%
California
2.22%24.7%1.17%2.39%2.29%10.6%16.3%5.69%2.96%35.4%15.6%1.52%
Arkansas
7.28%3.52%1.05%15.7%84.3%
South Dakota
2.29%26.1%60.0%10.8%2.09%52.0%45.9%
Ohio
36.5%1.25%23.4%76.6%
Indiana
8.52%84.6%5.00%100%
Minnesota
16.6%59.4%18.8%1.15%13.4%3.05%20.4%21.8%9.11%
Iowa
3.40%95.4%5.30%6.65%14.4%73.6%
Illinois
4.93%1.77%78.7%18.0%1.50%98.5%
0.16.0