How tall is the caldera?

The elevation of the caldera rim varies from 4,400 ft (1,341 m) to 2,000 ft (610 m).

How big is the caldera volcano?

Calderas vary in size from one to 100 kilometers (0.62 to 62 miles) in diameter. Some calderas form a lake as the bowl-shaped depression fills with water. A famous example is Crater Lake, in Oregon. This caldera formed about 7,000 years ago when a stratovolcano, Mt.

How big is the caldera in Yellowstone?

The Yellowstone caldera was created by a massive volcanic eruption approximately 631,000 years ago. Later lava flows filled in much of the caldera, now it is 30 x 45 miles.

How big is the largest caldera?

The Apolaki Caldera is a volcanic crater with a diameter of 150 kilometers (93 mi), making it the world's largest caldera. It is located within the Benham Rise (Philippine Rise) and was discovered in 2019 by Jenny Anne Barretto, a Filipina marine geophysicist and her team.

Is caldera the largest volcano?

Resurgent CalderasResurgent calderas are the largest volcanic structures on Earth, ranging from 15 to 100 kilometers (9 to 62 miles) in diameter.

14 12 Caldera Formation

What are the 3 super volcanoes in the US?

The United States is home to three active supervolcanoes, the USGS has determined: The famous Yellowstone, Long Valley and the Valles Caldera in New Mexico.

Can you swim in a caldera?

Swimming in a volcanic caldera

So what's it like to swim in a volcanic caldera? It's both hot and cool depending on what you are standing on. It's slimy underfoot, and completely intoxicating. It's floating in a warm cloud, watching life happen from a distance.

Is Yellowstone volcano erupting?

"They erupt when there is enough eruptible magma beneath the surface, and pressure to cause that magma to ascend. "Neither condition is in place at Yellowstone right now," he added. "It's all about that magma supply. Cut that off, and the volcano won't erupt."

Is there a caldera larger than Yellowstone?

It's called the La Garita Caldera, and it rivals the Toba eruption in Indonesia and all Yellowstone eruptions. These are “supervolcanoes,” so comparing them to Italy's Vesuvius or Washington's Mount St.

How many super volcanoes are on Earth?

There are about 12 supervolcanoes on Earth — each one at least seven times larger than Mount Tambora, which had the biggest eruption in recorded history. If all of these supervolcanoes erupted at once, they'd likely pour thousands of tons of volcanic ash and toxic gases into the atmosphere.

When would Yellowstone erupt?

The two intervals are thus 0.8 and 0.66 million years, averaging to a 0.73 million-year interval. Again, the last eruption was 0.64 million years ago, implying that we are still about 90,000 years away from the time when we might consider calling Yellowstone overdue for another caldera-forming eruption.

What states would be affected if Yellowstone erupted?

Those parts of the surrounding states of Montana, Idaho, and Wyoming that are closest to Yellowstone would be affected by pyroclastic flows, while other places in the United States would be impacted by falling ash (the amount of ash would decrease with distance from the eruption site).

How many years is Yellowstone overdue?

And if you look at the time period between those, the average eruption interval between these explosions is actually 725,000 years or so, which means that actually, we have another 100,000 years or so to go.”

How far would Yellowstone eruption reach?

The eruption could be expected to kill as many as 90,000 people immediately and spread a 10-foot (3-meter) layer of molten ash as far as 1,000 miles (1,609 kilometers) from the park.

Where is the biggest volcano in the United States?

Rising gradually to more than 4 km (2.5 mi) above sea level, Hawaii's Mauna Loa is the largest active volcano on our planet.

Where is the largest caldera in the US?

Yellowstone Caldera, the youngest of the three calderas, is the largest. Its notable features include Yellowstone Lake, the northern portion of which is located in the caldera's southeastern area.

What is the biggest super volcano on Earth?

The Yellowstone Caldera in north-western Wyoming is one of the largest volcanoes in the world.

What is the largest supervolcano ever?

The explosion of Mount Tambora is the largest ever recorded by humans, ranking a 7 (or "super-colossal") on the Volcanic Explosivity Index, the second-highest rating in the index. The volcano, which is still active, is one of the tallest peaks in the Indonesian archipelago.

What volcano is stronger than Yellowstone?

Supervolcano in Southern Utah is 30 times larger than Yellowstone.

What could erupt at Yellowstone?

The most likely explosive event to occur at Yellowstone is actually a hydrothermal explosion (a rock hurling geyser eruption) or a lava flow.

What would happen if Mt Hood erupted?

A significant eruption of Mount Hood, such as an eruption of lava domes that collapse to form pyroclastic flows and lahars, would displace several thousand residents and cause billion-dollar-scale damage to infrastructure and buildings.

How many volcanoes are in the US?

There are 161 potentially active volcanoes in the United States and its territories. The U.S. Geological Survey assesses and monitors hazards at volcanoes within the United States and its territories.

Can a caldera erupt again?

Source: Journal of Geophysical Research: Solid Earth

The caldera, which lies largely under water, contains several volcanic spots that have been active in recent geologic history. Vents in the region have a significant chance of erupting again.

Can a caldera collapse cause a tsunami?

Caldera collapse, like the catastrophic conclusion of Krakatau's 1888 eruption, can displace massive amounts of water, causing enormous tsunamis that ravage parts of the coast that wouldn't ordinarily be considered low-lying.

What is inside a caldera?

The caldera produced by such eruptions is typically filled in with tuff, rhyolite, and other igneous rocks. The caldera is surrounded by an outflow sheet of ash flow tuff (also called an ash flow sheet).