EPS 20 A1
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University of California, Berkeley *
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Course
C20
Subject
Geography
Date
Feb 20, 2024
Type
Pages
5
Uploaded by CountKoupreyPerson3712
Gautam Anand
EPS C20
02/11/24
1. Hotspots
a. Name 2 hotspots around the world:
1.
Hawaii
2.
Galápagos Islands
2. Normal Faults
a. Draw / Make a diagram of a Normal fault.
b. Name two major faults in two different countries/areas that are Normal faults. You
should name the fault and state the country it is found in.
1.
Moab Fault, Utah, United States
2.
Atalanti Fault, Greece
c. What size (magnitude) and when was the largest earthquake known to have occurred
on one of the faults you mentioned in 2b in the last 500 years?
Largest earthquake from the above 2 faults occurred at Atalanti Fault on April 20, 1894. This
earthquake had an estimated magnitude of about 6.2 to 6.4 and caused extensive damage to
the town of Atalanti and surrounding areas.
3. Reverse Faults
a. Draw / Make a diagram of a Reverse fault.
b. Name two major faults in two different countries/areas that are Reverse faults. You
should name the fault and state the country it is found in.
1.
Himalayan Frontal Thrust (HFT), India/Nepal
2.
Glarus thrust (Switzerland) - thrust fault in the Swiss Alps
c. What size (magnitude) and when was the largest earthquake known to have occurred
on one of the faults you mentioned in 3b in the last 500 years?
The largest earthquake known to have occurred on the HFT in the last 500 years is the 2015
Gorkha earthquake in Nepal. It had a magnitude of 7.8.
4. Strike-Slip Faults
a. Draw / Make a diagram of a Strike-Slip fault.
b. Name two major faults in two different countries/areas that are Strike-Slip faults. You
should name the fault and state the country it is found in.
1.
Hayward Fault Zone (USA) - transform boundary between the Pacific and North
American plates
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2.
Alpine Fault (New Zealand) - fault between the Pacific and Indo-Australian plates
c. What size (magnitude) and when was the largest earthquake known to have occurred
on one of the faults you mentioned in 4b in the last 500 years?
Alpine Fault - Largest earthquake known to have occurred here happened in 1717. The
magnitude was reportedly 8.1.
Q5.
(a) Name the type of plate boundary shown in your figure and where it is located. (what
country/countries are around it?)
The plate boundary shown is the convergent boundary where the Indian Plate is pushing
against the Eurasian Plate. This is the region where the Himalayas are located, and the
countries around it include India to the south and Nepal, Bhutan, and parts of China (Tibet) to
the north.
(b) how many earthquakes are displayed on your map
34
(c) the magnitude of the largest event
5.0 magnitude, 103 km NW of Chauk, Myanmar
(d) the depth range of the earthquakes
10 km to 228.8 km (shown on map)