Development of an integrated earthquake early warning system in Taiwan - Case for the Hualien area earthquakes
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Abstract
In order to explore the feasibility of an earthquake early warning system for Taipei, two prototype seismic early warning systems have been implemented in Hualien, about 120 km away. The Taiwan Rapid Earthquake Information Release (TREIRS) can routinely determine earthquake location and magnitude in about one minute after the earthquake occurred. However, this reporting time is too long for earthquake early warning purposes. A dense, real-time monitoring system composed of 8 strong-motion stations was installed in Hualien area for testing earthquake early warning capability. For the 27 earthquakes occurred during August 1998 to April 1999, this system has successfully reported earthquake information in about 18 sec after the origin time. Therefore, it provided about 15 sec of early warning time before shear waves arrival in the Taipei urban area. Based on our experience of these two systems, we are encouraged to proceed forward in the development of an earthquake early warning system.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Development of an integrated earthquake early warning system in Taiwan - Case for the Hualien area earthquakes |
| Series title | Terrestrial, Atmospheric and Oceanic Sciences |
| DOI | 10.3319/TAO.1999.10.4.719(T) |
| Volume | 10 |
| Issue | 4 |
| Year Published | 1999 |
| Language | English |
| Publisher | CGU |
| Description | 18 p. |
| First page | 719 |
| Last page | 736 |
| Country | Taiwan |
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