This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How is the distance to the epicenter of an earthquake determined using a seismograph? a. How hard ... (Read 88 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
on: Jul 15, 2018

How is the distance to the epicenter of an earthquake determined using a seismograph?
  a. How hard the seismograph needle swings back and forth is noted.
  b. Travel time is clocked and then compared to the reported time of the earthquake at the
  epicenter.
  c. The arrival times of surface waves are noted.
  d. The delay time between the P-wave and the slower S-wave is considered.
  e. You cannot do this with a single seismograph



Question 2

How much more energy does a magnitude 8 earthquake release than a magnitude 7 earthquake?
  a. 2 times more
  b. 10 times more
  c. 30 times more
  d. 900 times more
  e. 27,000 times more



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 15, 2018
Answer to Question 1

D

Answer to Question 2

C


SGallaher96

  • Hero Member
  • *****
  • Posts: 509
Reply #2 on: Jul 15, 2018
Thank you


sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 15, 2018
No problemo


« previous next »
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Spinnbarkeit is the ability of cervical mucus to stretch a distance before breaking. Spinnbarkeit is the ability of cervical mucus to stretch a distance before breaking.
This squirrel, who was looking for a treat, has become desensitized to humans. The distance between This squirrel, who was looking for a treat, has become desensitized to humans. The distance between
A shed carapace of a lady crab, part of the hard exoskeleton A shed carapace of a lady crab, part of the hard exoskeleton
A shed carapace of a lady crab, part of the hard exoskeleton A shed carapace of a lady crab, part of the hard exoskeleton
Comet 67P/Churyumov-Gerasimenko from a distance of just 29 kilometres (ESA) Comet 67P/Churyumov-Gerasimenko from a distance of just 29 kilometres (ESA)
LiH has an experimental dipole moment, μ = 6.00 D. If LiH were 100% ionic, the distance ... LiH has an experimental dipole moment, μ = 6.00 D. If LiH were 100% ionic, the distance ...
Video: Introduction to Sickle Cell Anemia

For a complete list of videos, visit our video library