Secondary tectonic hazards?

Question 1

Fire

Answer 1

Fires can occur as a result of an earthquake, volcanic eruption, or landslide.

Question 2

Flooding

Answer 2

Flooding can occur when rivers overflow or when a tsunami or debris flow reaches the coast.

Question 3

Landslide Damming

Answer 3

A landslide can block a river and cause a lake to form, which can lead to further flooding.

Question 4

Landslide-Induced Tsunamis

Answer 4

A landslide into a lake or ocean can generate a tsunami.

Question 5

Tsunami Runup

Answer 5

The height that a tsunami wave reaches on land.

Question 6

Ashfall / Tephra

Answer 6

The deposition of ash from a volcanic eruption

Question 7

Lava Flows

Answer 7

The movement of molten rock (lava) from a volcano

Question 8

Pyroclastic Flows

Answer 8

A fast-moving mixture of hot ash, gas, and rock fragments that move down a volcano’s slope.

Question 9

Lahars

Answer 9

A type of volcanic mudflow that can occur when ash and rock fragments mix with water.

Question 10

Gas Emissions

Answer 10

The release of toxic or harmful gases from a volcanic eruption or other tectonic activity.

Question 11

Ground Deformation

Answer 11

Changes in the shape of the ground as a result of tectonic activity, such as uplift or subsidence.