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WorksheetsEpicenter and Focus, Intensity and Magnitude
Total questions: 15
Worksheet time: 11mins
The place where the fault begins to slip is called the______________.
Focus
Epicenter
Magnitude
Intensity
Which statement is NOT true of Intensity of an earthquake?
Intensity is what humans see and feel.
Intensity scale in number is written in Roman Numeral.
Intensity is the amount of energy released by an earthquake.
Intensity is determined by PHIVOLCS using the Earthquake Intensity Scale (PEIS)
What is being measured by the amount of energy released during an earthquake?
Focus
Magnitude
Intensity
Epicenter
In the Philippines, the intensity of an earthquake is determined using the __________ Earthquake Intensity Scale (PEIS).
PAG-ASA
BFAR
PHIVOLCS
DRRMC
What level of intensity when practically all man-made structures are destroyed. Massive landslides and liquefaction, large scale subsidence and uplift of land forms and many ground fissures are observed. Changes in river courses and destructive stiches in large lakes occur. Many trees are toppled, broken and uprooted?
Intensity I
Intensity III
Intensity VII
Intensity X
The PHIVOLCS Earthquake Intensity Scale (PEIS) is describing earthquake Intensity Scale V as?
Weak
Strong
Very Strong
Devastating
The place where the earthquake starts is____________________.
Trace of Fault
Earth's Crust
Epicenter
Focus
Fault Plane
The focus is underground, along the _____________________.
Trace of Fault
Earth's Crust
Epicenter
Focus
Fault Plane
The spot on the surface of the Earth that is directly above the focus is called the __________________.
Trace of Fault
Earth's Crust
Epicenter
Focus
Fault Plane
The intersection of a fault with the Earth’s surface __________________________.
Trace of Fault
Earth's Crust
Epicenter
Focus
Fault Plane
Intensity II
Weak
Slightly Felt
Devastating
Moderately Strong
Very Strong
Intensity IV
Weak
Slightly Felt
Devastating
Moderately Strong
Very Strong
Intensity VI
Weak
Slightly Felt
Devastating
Moderately Strong
Very Strong
Intensity X
Weak
Slightly Felt
Devastating
Moderately Strong
Very Strong
Intensity III
Weak
Slightly Felt
Devastating
Moderately Strong
Very Strong
