6 - Volcanos Impacts And Management

Question 1

Date of Indonesia eruption

Answer 1

25th Oct 2010

Question 2

VEI of Indonesia eruption

Answer 2

4

Question 3

Describe the plat boundary for Indonesia
The volcanoes that form and type of lava

Answer 3

Convergent, destructive plate boundary
Indo-Australian subducts under Eurasian plate
Lies on a subduction zone
Composite volcano, explosive eruptions, high viscosity andesitic & rhyolitic magma

Question 4

What are the main hazards in Indonesia when a volcano erupts

Answer 4

Pyroclastic flows
Lahars
Ash & tephra
Gas emissions

Question 5

When was the last eruption in Indonesia

Answer 5

2006

Question 6

How long were warning signs observed for

Answer 6

August to September 2010

Question 7

What were the warning signs observed by the CVGHM in Indonesia

Answer 7

Increase in hydrogen chloride gas
Swelling of volcano by 4200mm per day
Increase in earthquake activity - 10 a day at 2.5

Question 8

What were the dates of the two eruptions in Iceland

Answer 8

1st: March 20th 2010
2nd: April 14th 2010