Which earthquake feature is marked A?

Which earthquake feature is labeled B?

What is the name of the feature labeled C?

Which statement correctly describes how seismic waves travel through rock?

What must happen for a locked fault to begin slipping during an earthquake?

What does an earthquake's magnitude describe?

Two barangays experience different shaking strengths during the same earthquake. Which measurement describes this difference?

Two earthquakes occur at similar depths and distances from a town. With other conditions equal, what is generally expected from the earthquake with the larger magnitude?

Assume equal soil conditions and building strength. Which house is expected to experience the strongest shaking in this simplified model?

Two identical, equally occupied buildings experience the same shaking. Building A has damaged load-bearing walls; Building B has intact walls. Which earthquake-risk component differs?

More residents move into buildings facing unchanged earthquake hazards. If building conditions stay the same, which component of earthquake risk increases?

Which direct effect on barangay trade is best supported by the blocked road shown?

Which information can HazardHunterPH provide for a selected site?

Which barangay is nearest the mapped active fault?

No mapped active fault crosses a barangay. Which conclusion is justified?

Lea needs recorded locations, depths and magnitudes of recent earthquakes near her community. Which PHIVOLCS resource should she consult?

Two earthquakes release similar energy below the same town. All other conditions equal, which would usually cause stronger surface shaking?

Which underwater earthquake movement is most likely to generate a tsunami?

Paolo lifts submerged clay by hand to model tsunami formation. Which part of the earthquake process does this action leave out?

Two home sites are equally far from a mapped fault, with identical buildings. One is on soft sediments; the other is on bedrock. How can their shaking differ?