Is Yellowstone the largest caldera in the world?

Yellowstone Caldera, enormous crater in the western-central portion of Yellowstone National Park, northwestern Wyoming, that was formed by a cataclysmic volcanic eruption some 640,000 years ago. Yellowstone Caldera, the youngest of the three calderas, is the largest.

What is the second largest caldera in the world?

It is the second largest caldera (volcanic crater) in the World behind only the vast caldera at Yellowstone National Park in the United States and its age has been hard to determine but eruption rates suggest that Sierra Negra is over 500,000 years old.

Is Yellowstone a giant caldera?

Yellowstone Caldera The Yellowstone eruption area collapsed upon itself, creating a sunken giant crater or caldera 1,500 square miles in area. The magmatic heat powering that eruption (and two others, dating back 2.1 million years) still powers the park’s famous geysers, hot springs, fumaroles, and mud pots.

Which is bigger caldera or crater?

Craters are also usually much smaller than calderas, only extending to a maximum of one kilometer (less than a mile) in diameter. Crater-lake calderas result from the collapse of a stratovolcano after a Plinian eruption, the most explosive type of volcanic eruption.

Where is the largest caldera in the US?

1 – La Garita Caldera Garita Caldera is a large supervolcanic caldera in the San Juan volcanic field in the San Juan Mountains near the town of Creede in southwestern Colorado, United States. The eruption that created the La Garita Caldera is among the largest known volcanic eruptions in Earth’s history.

How big is the Yellowstone caldera?

30 x 45 miles
What is the caldera shown on the park map? 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 many Supervolcanoes are in the US?

Three
Three of the seven supervolcanoes are located in the continental US: Yellowstone, the Long Valley Caldera, and the Valles Caldera.

How did Yellowstone caldera form?

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. Its rim can best be seen from the Washburn Hot Springs overlook, south of Dunraven Pass.

What is the largest volcano in the United States?

Yellowstone volcano. Yellowstone is one of the largest known volcanoes in the world and the largest volcanic system in North America. The volcano is found above an intra-plate hot spot that has been feeding the magma chamber underneath Yellowstone for at least 2 million years.

What would happen if the Yellowstone caldera erupted?

Should the supervolcano lurking beneath Yellowstone National Park ever erupt, it could spell calamity for much of the USA. Deadly ash would spew for thousands of miles across the country, destroying buildings, killing crops, and affecting key infrastructure.

https://www.youtube.com/watch?v=_FNFm9xApCM