Volcanic Hazards

__________ are rivers of incandescent of molten rock or lava moving downslope or away from an eruption vent

How many active volcanoes are there in the Philippines?

Aside from its effects to human and animal safety, Volcanic gases have huge impact on:

• Agriculture

• Environment

• Livelihood

• Villages

• Property

Which from these volcanoes in the Philippines are active?

• Mt. Hibok-hibok

• Mt. Makiling

• Mt. Bontes

• Mt. Pinatubo

• Mt. Ragang

Also known as "block lava"

How many alert signals are there for Taal Volcano?

What should we do when we were informed of a possible lava flow near our area?

A colorless flammable gas which smells like a rotten egg, very toxic in high concentration.

A 30 minute exposure can cause dizziness, headache and diarrhea, sometimes followed by bronchitis or bronchopneumonia.

Which country has the most historically active volcanoes?

• Hawaii

• Philippines

• Indonesia

• India

______________form a dissolved component of magma that is released to the atmosphere in large quantities during eruptions.