نتایج جستجو برای: earthquake early warning system

تعداد نتایج: 2849085  

Journal: :Natural Hazards 2021

Earthquakes as a natural hazard have caused substantial economic losses and human life loss in many countries. Taiwan, which is located on the western Circum-Pacific seismic belt, encountered this problem form of Meishan, Hsinchu-Taichung, Chi-Chi earthquakes few years ago. In paper, researchers propose novel robot-event integrated system capable doing automated inspection emergency response du...

Journal: :Frontiers in Earth Science 2021

In this work, we explored the feasibility of predicting structural drift from first seconds P-wave signals for On-site Earthquake Early Warning (EEW) applications. To purpose, investigated performance both linear least square regression (LSR) and four non-linear machine learning (ML) models: Random Forest, Gradient Boosting, Support Vector Machines K-Nearest Neighbors. Furthermore, also explore...

Journal: :The Health service journal 1991
R Griffiths L Parker

Predicting currency fluctuations and crises is an important step in the foreign exchange policy of countries. Given that the purpose of early warning systems or patterns is to anticipate crises, their use is essential to prevent economic crises, including currency crises. Therefore, the purpose of this study is to model and rank the early warning factors of currency crisis by Bayesian averaging...

2016
Öcal Necmioğlu

Since 1900, around 90,000 people have lost their lives in 76 earthquakes in Turkey, with a total affected population of around 7 million and direct losses of around 25 billion USD. Based on a time-dependent model that includes coseismic and post-seismic effects of the 1999 Kocaeli earthquake with moment magnitude Mw = 7.4, Parsons (J Geophys Res. 109, 2004) concluded that the probability of an ...

2006
Geoffrey Blewitt Corné Kreemer William C. Hammond Hans-Peter Plag Seth Stein Emile Okal

[1] The 26 December 2004 Sumatra earthquake (Mw 9.2–9.3) generated the most deadly tsunami in history. Yet within the first hour, the true danger of a major oceanwide tsunami was not indicated by seismic magnitude estimates, which were far too low (Mw 8.0–8.5). This problem relates to the inherent saturation of early seismicwave methods. Here we show that the earthquake’s true size and tsunami ...

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