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1. What is fault? 2. Compare epicenter from focus. Epicenter the point on the earth surface that is in the earth's surface directly the focus fault-acrack 3. Compare intensity from magnitude.4What is meant by PHIVOLCS? Give its function.
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1 What Is Fault 2 Compare Epicenter From Focus Epicenter The Point On The Earth Surface That Is In The Earths Surface Directly The Focus Faultacrack 3 Compare I class=

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MarquiseLucile09viz

Answer:

1.

a fracture or zone of fractures between two blocks of rock.

2.

The focus is the point within the earth where seismic waves originate; it is centered on the part of the fault that has the greatest movement while the epicenter is on the earth's surface directly above the focus.

3.

Magnitude is a measure of earthquake size and remains unchanged with distance from the earthquake. Intensity, however, describes the degree of shaking caused by an earthquake at a given place and decreases with distance from the earthquake epicentre.

4.

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) is a service institute of the Department of Science and Technology (DOST) that is principally mandated to mitigate disasters that may arise from volcanic eruptions, earthquakes, tsunami and other related geotectonic phenomena.

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