# GOL 105 NOVA How Seismologists Estimate the Magnitude of An Japanese Earthquakes Discussion

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gggg11

Science

GOL 105

Northern Virginia Community College

GOL

## Description

1)P 1-2. Explain how seismologists estimate the magnitude of an earthquake by using the length of time that the earthquake lasts. Approximately how long did the Japanese earthquake last?

2)P 3 “Every fault line has an upper limit to its potency.” What factors determine its potency and what is the San Andreas Fault’s upper limit?

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Japanese Earthquakes
Student’s Name
Institution Affiliation
Course

1

JAPANESE EARTHQUAKES

2
22 questions
Question 1

Length of time is one aspect that seismologists uses to estimate when the earthquake lasts.
In this, they calculate the time when the earthquake has occurred by comparing different locations.
They can do it manually by using computers to determining information manually. In
approximation, the Japanese earthquake took six minutes.
Question 5
At the Cascadia plate, there two types of plates that meet. They include the Juan de Fuca
and North American tectonic plates. At this place, there two sets to earthquakes magnitude ranges
that occur, which include 8.0 and 8.6(Schulz, 2015). It is a big magnitude which represents the
full- margin rupture. The other magnitude is 8.7 and 9.2, which is the biggest magnitude. The
magnitude rates associate with the colossal quantity of water.
Question 6
The continental shelf descends to the cascades, and it drops by six feet. This is the event
that happens after the earthquake. It follows the following processes, like displacing the colossal
quantity of water. In this, the water surges upwards to the hill, and then eventually, it drops. In
this, some of the water moves west, and the other rushes to the east.
Question 7
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