Earthquake

The surface of the Earth consists of ________ major tectonic

plates

• four

• five

• seven

• six

an earthquake with a magnitude of 7.5 releases approximately _______ times that of a 5.5 magnitude earthquake

• 30

• 900

• 40

• 10

An Earthquake of magnitude 6.1-6.9 is

• Often felt, but rarely causes damage.

• Generally not felt, but recorded.

• Can be destructive in areas up to about 100 kilometers across where people live

• Great earthquake. Can cause serious damage in areas several hundred kilometers across.

The deadliest earthquake in Indian history so far has been the

• M7.8 Kangra earthquake in Himachal Pradesh in 1905, which left 19,700 people dead

• in Arunachal Pradesh in 1950. It had a magnitude of 8.6 (Mw) and was the 6th largest earthquake in the world, in the 20th century

• M7.6 Bhuj earthquake in 2001, where shaking was experienced as far away as Chennai in the south, Shillong in the east, Quetta in the west and Kashmir in the north.

• M6.6 Koyna (1967) earthquakes, which caused several damaging shocks in the region, in historical and ancient times.

How many Earthquakes Zones in India are there according to IS 1893 – 2002?

• four

• seven

• eight

• six