What was the VEI of the Montserrat volcano?
What was the VEI of the Montserrat volcano?
Unpredicatbility – 17. With its relatively short eruption record and eruptions reaching a relatively modest VEI of 3. The range in eruptive activity although large for a small island is not as dramatic for some other, larger systems.
What volcano has a VEI of 8?
Yellowstone eruption
1. Yellowstone eruption, 640,000 years ago (VEI 8)
Is there a VEI 9 volcano?
According to the USGS, it is the largest known eruption since the Ordovician era, between 504 and 438 million years ago. It was so large, in fact, that in a 2004 report in the Bulletin of Volcanology, scientists recommended adding a ninth level to the VEI scale, and declared the La Garita eruption a magnitude 9.2.
What type of eruption was Montserrat?
The Soufrière Hills are an active, complex stratovolcano with many lava domes forming its summit on the Caribbean island of Montserrat. After a long period of dormancy, the Soufrière Hills volcano became active in 1995 and has continued to erupt ever since….
| Soufrière Hills | |
|---|---|
| Last eruption | 2013 |
Why did the Montserrat volcano erupted in 1997?
The first four months of the eruption involved intense earthquake swarms and vigorous steam explosions, caused by rapid heating of the groundwater by rising magma. The magma reached the surface by mid-November 1995 and a new lava dome began to form.
Is Montserrat an active volcano?
Background: Montserrat’s Soufrière Hills volcano is a typical subduction volcano. Its existence is due to the subduction of the Atlantic under the Caribbean plate. Its first historic eruption started in 1995 and is still ongoing.
How many died in Montserrat eruption?
19 people
A major eruption in 1997 killed 19 people, devastating the south of the island and burying the capital, Plymouth. More than half the population left. Once an economic mainstay, tourism was badly hit and Montserrat has relied heavily upon British and EU aid, with a new airport inaugurated in 2005.
What happened when the volcano on Montserrat erupted in 1997?
By February 1997, the dome had outgrown the confines of the crater and begun to spill into the surrounding valleys. A large collapse on 25 June 1997 caused pyroclastic flows and surges on the northern flanks and resulted in the only deaths of the eruption.