Volcanoes / Active and Inactive

Mount Etna (Italy) and Mount Merapi (Indonesia) are considered as ______ volcanoes.

• inactive

• active

• dormant

• sleeping

True or False.

PHIVOLCS lists 181 inactive volcanoes, with several being unnamed peaks.

• True

• False

Refers to any vent or built-up mountain where lava, pyroclastic materials, and/or gases erupt

• Delta

• Hill

• Mountain

• Volcano

Which of the following is not considered as active volcano?

• Mount Isarog

• Mount Taal

• Mount Bulusan

• Mount Kanlaon

A type of geologic settings of volcanism wherein plates move towards each other.

• Intraplate Volcanism

• Convergent Boundaries

• Divergent Boundaries

• Extraplate Volcanism

Identification.

Tell whether each given information describes an active, inactive or dormant volcanoes.

1. Cuernos de Negros has an area that exhibits areas of geothermal alteration and steaming.

• Active volcano

• Inactive volcano

• Dormant volcano

Identification.

Tell whether each given information describes an active, inactive or dormant volcanoes.

2. Mt. Apo is a type of stratovolcano and is considered a national park.

• Active volcano

• Inactive volcano

• Dormant volcano

Identification.

Tell whether each given information describes an active, inactive or dormant volcanoes.

3. Dateable erupted materials confirm that they erupted within the last 10,000 years.

• Active volcano

• Inactive volcano

• Dormant volcano

Identification.

Tell whether each given information describes an active, inactive or dormant volcanoes.

4. Mount Arayat’s hiking trails are well-known, and there is a rich history of folklore and superstition surrounding the mountain.

• Active volcano

• Inactive volcano

• Dormant volcano

Identification.

Tell whether each given information describes an active, inactive or dormant volcanoes.

5. The famous “perfect cone” signifies Mayon’s structure as a stratovolcano.

• Active volcano

• Inactive volcano

• Dormant volcano