| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Seismographers use the difference in speed between P waves & S waves to locate this point | the epicenter DD | $100 | J | EARTH SCIENCE | 2004-04-28 | #4533 | |
| The strongest shaking in an earthquake is usually felt at this point on the Earth's surface above the focus | the epicenter | $400 | DJ | EARTH SCIENCE | 2000-03-15 | #3583 | |
| It's the point on the Earth's surface directly above the focus of an earthquake | an epicenter | $100 | J | EARTH SCIENCE | 1991-04-10 | #1533 |