QuakeCaster, an earthquake physics demonstration and exploration tool
Seismological Research Letters
By: K. Linton and R. S. Stein
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Abstract
A fundamental riddle of earthquake occurrence is that tectonic motions at plate interiors are steady, changing only subtly over millions of years, but at plate boundary faults, the plates are stuck for hundreds of years and then suddenly jerk forward in earthquakes. Why does this happen? The answer, as formulated by Harry F. Reid (Reid 1910, 192) is that the Earth’s crust is elastic, behaving like a very stiff slab of rubber sliding over a substrate of “honey”-like asthenosphere, and that faults are restrained by friction. The crust near the faults—zones of weakness that separate the plates—slowly deforms, building up stress until frictional resistance on the fault is overcome and the fault suddenly slips. For the past century, scientists have sought ways to use this knowledge to forecast earthquakes.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | QuakeCaster, an earthquake physics demonstration and exploration tool |
| Series title | Seismological Research Letters |
| DOI | 10.1785/gssrl.83.1.150 |
| Volume | 83 |
| Issue | 1 |
| Year Published | 2012 |
| Language | English |
| Publisher | Seismological Society of America |
| Publisher location | El Cerrito, CA |
| Contributing office(s) | Earthquake Science Center |
| Description | 6 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Seismological Research Letters |
| First page | 150 |
| Last page | 155 |
| Google Analytic Metrics | Metrics page |