| Item type |
文献 / Documents(1) |
| 公開日 |
2021-04-16 |
| アクセス権 |
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|
アクセス権 |
open access |
| 資源タイプ |
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|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
|
資源タイプ |
journal article |
| 出版社版DOI |
|
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|
識別子タイプ |
DOI |
|
|
関連識別子 |
https://doi.org/10.5194/nhess-17-685-2017 |
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|
言語 |
ja |
|
|
関連名称 |
10.5194/nhess-17-685-2017 |
| 出版タイプ |
|
|
出版タイプ |
VoR |
|
出版タイプResource |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| タイトル |
|
|
タイトル |
Stand-alone tsunami alarm equipment |
|
言語 |
en |
| 著者 |
カツマタ, アキオ
ハヤシ, ユタカ
ミヤオカ, カズキ
ツシマ, ヒロアキ
馬場, 俊孝
Catalán, Patricio A.
Zelaya, Cecilia
Vasquez, Felipe Riquelme
Sanchez-Olavarria, Rodrigo
Barrientos, Sergio
|
| 抄録 |
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|
内容記述タイプ |
Abstract |
|
内容記述 |
One of the quickest means of tsunami evacuation is transfer to higher ground soon after strong and long ground shaking. Ground shaking itself is a good initiator of the evacuation from disastrous tsunami. Longer period seismic waves are considered to be more correlated with the earthquake magnitude. We investigated the possible application of this to tsunami hazard alarm using single-site ground motion observation. Information from the mass media is sometimes unavailable due to power failure soon after a large earthquake. Even when an official alarm is available, multiple information sources of tsunami alert would help people become aware of the coming risk of a tsunami. Thus, a device that indicates risk of a tsunami without requiring other data would be helpful to those who should evacuate. Since the sensitivity of a low-cost MEMS (microelectromechanical systems) accelerometer is sufficient for this purpose, tsunami alarm equipment for home use may be easily realized. Amplitude of long-period (20 s cutoff) displacement was proposed as the threshold for the alarm based on empirical relationships among magnitude, tsunami height, hypocentral distance, and peak ground displacement of seismic waves. Application of this method to recent major earthquakes indicated that such equipment could effectively alert people to the possibility of tsunami. |
|
言語 |
en |
| 書誌情報 |
en : Natural Hazards and Earth System Sciences
巻 17,
号 5,
p. 685-692,
発行日 2017-05-15
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| 出版者 |
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|
出版者 |
Copernicus Publications |
|
言語 |
en |
| 出版者 |
|
|
出版者 |
European Geosciences Union |
|
言語 |
en |
| 権利情報 |
|
|
言語 |
en |
|
権利情報 |
This work is distributed under the Creative Commons Attribution 3.0 License. |
| EID |
|
|
識別子 |
340638 |
|
識別子タイプ |
URI |
| 言語 |
|
|
言語 |
eng |
nhess_17_5_685.pdf (1.33 MB)
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