Earthquakes

In the Visayan mythology, who is the god of the underworld and earthquakes?

• Bulalakaw

• Dumakulem

• Panlinugun

• Sidapa

Which province in the Philippines is considered stable and has no active fault?

• Batanes

• Mindoro

• Palawan

• Tawi-tawi

The largest historical earthquake in the Philippines is the 1918 Celebes Sea earthquake and had a magnitude of...?

• 8.3

• 8.7

• 9.1

• 9.3

The most destructive tsunami that occurred in the Philippines was in which gulf?

• Albay

• Leyte

• Lingayen

• Moro

Which government agency is mandated to monitor tectonic activities in the Philippines?

• Philippine Institute of Volcanoes and Seismicity

• Philippine Institute of Volcanology and Seismology

• Philippine Institute of Volcanism and Seismography

• Philippine Institute of Volcanics and Seismics

An earthquake that measures 8 on the Richter Scale would be how many times stronger than an earthquake that measures 4 on the same scale?

• 2 times stronger

• 4 times stronger

• 1,000 times stronger

• 10,000 times stronger

An average of how many earthquakes occur in the Philippines every day?

• 20

• 40

• 60

• 80

Philippine Fault, a 1,200-km long tectonic feature, is what type of fault?

• Normal

• Reverse

• Left-lateral

• Right-lateral

The earliest earthquake documented in the Philippines was in what year?

• 1302

• 1589

• 1654

• 1796

How many seismic networks are operating under PHIVOLCS as of 2022?

• 42

• 57

• 75

• 92