Kedeng Volcano and Magmatic Intrusions

The video discusses the potential reawakening of the Kedeng volcano in Java, Indonesia, due to a recent magma intrusion. Despite being considered extinct, the volcano has experienced an earthquake swarm, causing damage to structures. The video explores two possibilities: the volcano reawakening or a new magmatic path forming. The crust's characteristics and past seismic activity are analyzed to understand the situation. The main concern is the risk of more damaging earthquakes, with the current volcanic unrest level rated as 4 out of 10.

What recent event has caused damage to around 200 houses near the Kedeng volcano?

• A volcanic eruption

• A severe storm

• An earthquake swarm

• A landslide

What evidence suggests that the Kedeng volcano might not be extinct?

• An earthquake swarm

• Increased rainfall

• Deep ravines on its flanks

• Recent lava flows

Where is the Kedeng volcano located?

• Northern Sumatra

• Eastern Borneo

• Western Java

• Southern Bali

What is one possible reason for the magmatic intrusion at Kedeng?

• A new volcanic vent forming

• The volcano reawakening after dormancy

• A meteor impact

• A tectonic plate shift

What geological feature is the magmatic intrusion at Kedeng associated with?

• A mountain range

• A river delta

• A fault line

• A subducted plate

What is the depth range of the magmatic intrusion beneath Kedeng?

• 10 to 15 kilometers

• 1 to 3 kilometers

• 20 to 25 kilometers

• 5 to 9 kilometers

What is the crustal state below 10 kilometers depth in Java?

• Brittle

• Ductile

• Solid

• Liquid

What is the main threat currently posed by the magmatic intrusion at Kedeng?

• A potential volcanic eruption

• More damaging earthquakes

• A tsunami

• Lava flows

What scale is used to assess the volcanic unrest at Kedeng?

• Seismic activity scale

• Opinion-based volcanic unrest scale

• Volcanic Explosivity Index

• Richter scale

What historical event is similar to the current situation at Kedeng?

• A landslide in 2019

• A tsunami in 2019

• An earthquake swarm in 2019

• A volcanic eruption in 2019