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© Shutterstock
0 / 28 Fotos
Mauna Loa Volcano, HI - Mauna Loa is the Earth’s largest active volcano. Before 2022's event, Mauna Loa last erupted in 1984.
© Shutterstock
1 / 28 Fotos
Kilauea Volcano, HI
- Kilauea has been active since 1983. It has erupted several times in the last few years. In 2018, Kilauea experienced a particularly violent and destructive eruption that destroyed 700 homes and forced a mass evacuation.
© Getty Images
2 / 28 Fotos
Mount Rainier Volcano, WA - The highest peak in the Cascade Range last erupted about 1,000 years ago.
© Shutterstock
3 / 28 Fotos
Mount Rainier Volcano, WA - However, there is an active thermal system under the volcano and it is considered to be a very high threat.
© Shutterstock
4 / 28 Fotos
Mount St. Helens, WA - This volcano most recently erupted from 2004-2008.
© Shutterstock
5 / 28 Fotos
Mount St. Helens, WA - It has experienced a series of earthquakes starting in January 2018, and is considered to be a very high threat.
© Shutterstock
6 / 28 Fotos
Mount Hood Volcano, OR - Oregon’s highest peak last erupted in 1865.
© Shutterstock
7 / 28 Fotos
Mount Hood Volcano, OR - The volcano has been quiet since then, but it is under watch by the USGS.
© Shutterstock
8 / 28 Fotos
South Sister Volcano, OR - The entire Three Sisters area is considered to have a high threat potential for eruptions.
© Shutterstock
9 / 28 Fotos
South Sister Volcano, OR - If the eruption doesn’t come from South Sister Volcano or the other sisters, it might come from the formation of a new volcano.
© Shutterstock
10 / 28 Fotos
Lassen Volcanic Cluster, CA - This volcanic area last experienced an eruption in 1917.
© Shutterstock
11 / 28 Fotos
Lassen Volcanic Cluster, CA - It has experienced some earthquakes since then, and could experience another volcanic eruption sometime soon.
© Shutterstock
12 / 28 Fotos
Mount Shasta Volcano, CA - This volcano last erupted 200-300 years ago.
© Shutterstock
13 / 28 Fotos
Mount Shasta Volcano, CA - Records indicate that the volcano erupts every 600-800 years, and it’s considered a very high threat.
© Shutterstock
14 / 28 Fotos
Redoubt Volcano, AK - This volcano last erupted in 2009, and is close to the city of Anchorage.
© Shutterstock
15 / 28 Fotos
Redoubt Volcano, AK - It is being carefully monitored and is not currently erupting.
© Shutterstock
16 / 28 Fotos
Crater Lake Volcano, OR - The Mount Mazama volcano last erupted 6,600 years ago, and the crater (now filled with water) known as Crater Lake was formed due to a collapse during an earlier eruption.
© Shutterstock
17 / 28 Fotos
Crater Lake Volcano, OR - Things have been quieter since the last eruption, but the USGS still thinks it’s worth keeping a very close eye on the area.
© Shutterstock
18 / 28 Fotos
Yellowstone Caldera, WY - The volcanic eruptions that formed Yellowstone’s calderas haven’t occurred for 70,000 years.
© Shutterstock
19 / 28 Fotos
Yellowstone Caldera, WY - If this massive volcano were to erupt, it could be catastrophic. The Yellowstone Volcano is sometimes called a supervolcano.
© Shutterstock
20 / 28 Fotos
Long Valley Caldera, CA - The volcano hasn’t erupted for at least 16,000 years, but has shown signs of unrest over the past few decades.
© Shutterstock
21 / 28 Fotos
Long Valley Caldera, CA - The USGS considers its threat potential very high and monitors the area very carefully.
© Shutterstock
22 / 28 Fotos
Newberry Volcano, OR - The largest volcano in the Cascades volcanic arc has not erupted for 1,300 years.
© Shutterstock
23 / 28 Fotos
Newberry Volcano, OR - However, the presence of hot springs and geologically recent lava flows make it quite clear this is still an active volcano that should be watched.
© Shutterstock
24 / 28 Fotos
Mount Akutan, AK - This Alaskan volcano was last active in 2014, and is being monitored.
© Shutterstock
25 / 28 Fotos
Makushin Volcano, AK - This Aleutian Volcano has erupted a number of times. It last erupted in 1995.
© Shutterstock
26 / 28 Fotos
Mount Cleveland, AK
- The volcano is one of the more active volcanoes in the Aleutian Arc. See also: https://www.starsinsider.com/lifestyle/387219/catastrophic-natural-disasters-of-the-21st-century
© Shutterstock
27 / 28 Fotos
© Shutterstock
0 / 28 Fotos
Mauna Loa Volcano, HI - Mauna Loa is the Earth’s largest active volcano. Before 2022's event, Mauna Loa last erupted in 1984.
© Shutterstock
1 / 28 Fotos
Kilauea Volcano, HI
- Kilauea has been active since 1983. It has erupted several times in the last few years. In 2018, Kilauea experienced a particularly violent and destructive eruption that destroyed 700 homes and forced a mass evacuation.
© Getty Images
2 / 28 Fotos
Mount Rainier Volcano, WA - The highest peak in the Cascade Range last erupted about 1,000 years ago.
© Shutterstock
3 / 28 Fotos
Mount Rainier Volcano, WA - However, there is an active thermal system under the volcano and it is considered to be a very high threat.
© Shutterstock
4 / 28 Fotos
Mount St. Helens, WA - This volcano most recently erupted from 2004-2008.
© Shutterstock
5 / 28 Fotos
Mount St. Helens, WA - It has experienced a series of earthquakes starting in January 2018, and is considered to be a very high threat.
© Shutterstock
6 / 28 Fotos
Mount Hood Volcano, OR - Oregon’s highest peak last erupted in 1865.
© Shutterstock
7 / 28 Fotos
Mount Hood Volcano, OR - The volcano has been quiet since then, but it is under watch by the USGS.
© Shutterstock
8 / 28 Fotos
South Sister Volcano, OR - The entire Three Sisters area is considered to have a high threat potential for eruptions.
© Shutterstock
9 / 28 Fotos
South Sister Volcano, OR - If the eruption doesn’t come from South Sister Volcano or the other sisters, it might come from the formation of a new volcano.
© Shutterstock
10 / 28 Fotos
Lassen Volcanic Cluster, CA - This volcanic area last experienced an eruption in 1917.
© Shutterstock
11 / 28 Fotos
Lassen Volcanic Cluster, CA - It has experienced some earthquakes since then, and could experience another volcanic eruption sometime soon.
© Shutterstock
12 / 28 Fotos
Mount Shasta Volcano, CA - This volcano last erupted 200-300 years ago.
© Shutterstock
13 / 28 Fotos
Mount Shasta Volcano, CA - Records indicate that the volcano erupts every 600-800 years, and it’s considered a very high threat.
© Shutterstock
14 / 28 Fotos
Redoubt Volcano, AK - This volcano last erupted in 2009, and is close to the city of Anchorage.
© Shutterstock
15 / 28 Fotos
Redoubt Volcano, AK - It is being carefully monitored and is not currently erupting.
© Shutterstock
16 / 28 Fotos
Crater Lake Volcano, OR - The Mount Mazama volcano last erupted 6,600 years ago, and the crater (now filled with water) known as Crater Lake was formed due to a collapse during an earlier eruption.
© Shutterstock
17 / 28 Fotos
Crater Lake Volcano, OR - Things have been quieter since the last eruption, but the USGS still thinks it’s worth keeping a very close eye on the area.
© Shutterstock
18 / 28 Fotos
Yellowstone Caldera, WY - The volcanic eruptions that formed Yellowstone’s calderas haven’t occurred for 70,000 years.
© Shutterstock
19 / 28 Fotos
Yellowstone Caldera, WY - If this massive volcano were to erupt, it could be catastrophic. The Yellowstone Volcano is sometimes called a supervolcano.
© Shutterstock
20 / 28 Fotos
Long Valley Caldera, CA - The volcano hasn’t erupted for at least 16,000 years, but has shown signs of unrest over the past few decades.
© Shutterstock
21 / 28 Fotos
Long Valley Caldera, CA - The USGS considers its threat potential very high and monitors the area very carefully.
© Shutterstock
22 / 28 Fotos
Newberry Volcano, OR - The largest volcano in the Cascades volcanic arc has not erupted for 1,300 years.
© Shutterstock
23 / 28 Fotos
Newberry Volcano, OR - However, the presence of hot springs and geologically recent lava flows make it quite clear this is still an active volcano that should be watched.
© Shutterstock
24 / 28 Fotos
Mount Akutan, AK - This Alaskan volcano was last active in 2014, and is being monitored.
© Shutterstock
25 / 28 Fotos
Makushin Volcano, AK - This Aleutian Volcano has erupted a number of times. It last erupted in 1995.
© Shutterstock
26 / 28 Fotos
Mount Cleveland, AK
- The volcano is one of the more active volcanoes in the Aleutian Arc. See also: https://www.starsinsider.com/lifestyle/387219/catastrophic-natural-disasters-of-the-21st-century
© Shutterstock
27 / 28 Fotos
America’s most dangerous volcanoes
Hawaii's Mauna Loa, the world's biggest active volcano, has erupted after 38 years
© Shutterstock
Volcanic eruptions are as terrifying as they are beautiful. In addition to their extreme temperatures, they can release toxic gases and ash, and even cause earthquakes. But which American volcanoes are truly the most dangerous?
Here's a list of volcanoes to watch out for, according to the US Geological Survey.
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