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2021-07-11

In what two plate tectonic settings do most volcanoes occur?

In what two plate tectonic settings do most volcanoes occur?

Sometimes, the plates collide with one another or move apart. Volcanoes are most common in these geologically active boundaries. The two types of plate boundaries that are most likely to produce volcanic activity are divergent plate boundaries and convergent plate boundaries.

What is an example of an intraplate volcano?

These volcanoes are located away from plate boundaries. Two such locations are Hawaii and Yellowstone. Yellowstone is in the western U.S. and Hawaii is in the central Pacific.

What kind of volcano is the most dangerous?

Composite volcanoes

Which type of volcano is the largest?

shield volcano

Is Mt Pinatubo still active?

Pinatubo has been relatively quiet since the 1991-1992 eruption, but it is still active. It remains to be determined whether or not more explosions at the volcano are likely during the current eruptive period.

What is the smallest volcano in the Philippines?

Located around 2 hours’ south of Manila, Lake Taal is home to the world’s smallest volcano, an outcrop set within a lake within a crater…within another volcano!

Why is Mount Pinatubo famous?

Pinatubo is most notorious for its VEI-6 eruption on June 15, 1991, the second-largest terrestrial eruption of the 20th century after the 1912 eruption of Novarupta in Alaska. Complicating the eruption was the arrival of Typhoon Yunya, bringing a lethal mix of ash and rain to towns and cities surrounding the volcano.

How many times did Pinatubo erupt?

Eruptions of Mount Pinatubo Pinatubo has had at least 6 periods of activity with large explosive eruptions in its past 35,000 years prior to the 1991 eruption.

What caused the Mount Pinatubo eruption 1991?

Eruption: June 15, 1991 When even more highly gas-charged magma reached Pinatubo’s surface June 15, the volcano exploded. The ash cloud rose 28 miles (40 km) into the air.