Geological Phenomena and Astronomical Hazards

Which of the following is not one of the top ten provinces at risks to volcanic eruptions?

• South Cotabato

• Sulu

• Camiguin

• Davao

The province with the highest number of active and potentially active volcanoes.

• Sorsogon

• Laguna

• Sulu

• Biliran

Closing windows before a volcanic eruption may be for vain if heavy ash fall is expected to hit the community.

• True

• False

Which of the following is not a tip on what to do during tsunamis?

• Assign a focal person to monitor and observe the water recession after an earthquake.

• Offshore reefs and shallow areas may help break the force of tsunami waves but large and dangerous waves can be a threat to coastal residents.

• Move inland ot predetermined higher ground immediately.

• Stay away from the beach.

These refer to weaker earthquakes following the main shocks and can cause further damage to weakened buildings.

• Waveshocks

• Aftershocks

• Intense shocks

• Shockwaves

Which of the following refers to the fine dust which are ejected fragment hazards from volcanoes.

• Volcanic metal

• Volcanic ash

• Volcanic glass

• No correct answer

The province with the highest risk to volcanic eruption.

• Biliran

• Capiz

• Batanes

• Camiguin

PAG-ASA stands for _________?

• Philippine Atmospheric, Geophysical and Anatomical Services Administration

• Philippine Atmospheric, Geophysical and Astronomical Services Administration

• Philippine Atmospheric, Geophysical and Astronomical Social Administration

• Philippine Atmospheric, Geometrical and Astronomical Services Administration

People must make sure to avoid debris in the water after a tsunami.

• True

• False

Tsunamis can only occur when the earthquake is around magnitude 5.0+.

• True

• False