The International Journal of the Tsunami Society
SCIENCE OF TSUNAMI HAZARDS
ISSUES - Year 2017
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VOLUME 36 Number 1 (February 2017)
COASTAL MONITORING OF THE OKHOTSK SEA USING AN AUTONOMOUS MOBILE ROBOT
V. Beliakov1), P. Beresnev1), V. Filatov1), A. Kurkin1), V. Makarov1), E. Pelinovsky1,2), D. Tugin1), A. Zaytsev3) and D. Zeziulin1)
1) Nizhny Novgorod State Technical University n.a. R.E. Alekseev, Nizhny Novgorod, Russia
2) Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia
3) Special Research Bureau for Automation of Marine Researches, Far Eastern Branch of Russian Academy of Sciences, Uzhno-Sakhalinsk, Russia
Need of development of modern coastal infrastructure dictates strict requirements to quality of operational and statistical information about the wave modes of a port bay that is impossible without carrying out long high-precision supervision and development of systems of monitoring. Fixed monitoring of the dangerous marine hazards in coastal areas, port bays is of great scientific interest and has the expressed applied aspect connected with safety in zones of marine activities. Results of scientific work shall allow to reduce damage from these phenomena due to the correct planning of business and industrial activity.
Keywords: coastal monitoring, marine hazards, Okhotsk Sea,Sakhalin Island, autonomous mobile robot.
CONTRASTING RESULTS OF POTENTIAL TSUNAMI HAZARDS IN MUISNE, CENTRAL COAST OF ECUADOR
Theofilos Toulkeridis¹, Humberto Parra1, Fernando Mato1, Mario Cruz D’Howitt¹, Washington Sandoval¹, Oswaldo Padilla Almeida¹, Willington Rentería2, Fabián Rodríguez Espinosa1,3, Rodolfo Salazar Martínez1,4; Jessica Cueva Girón1, Adriana Taipe Quispe1, Lucía Bernaza Quiñonez5
1Universidad de las Fuerzas Armadas ESPE, Sangolquí, Ecuador.
2Instituto Oceanográfico de la Armada INOCAR, Guayaquil, Ecuador
2Facultad de Economía, Pontificia Universidad Católica del Ecuador, Quito, Ecuador.
3Laboratorio do Territorio, Universidad de Santiago de Compostela, Lugo, España.
4Pontificia Universidad Católica del Ecuador Sede Esmeraldas – PUCESE, Esmeraldas, Ecuador.
After the 7.8 Mw Earthquake occurred in Ecuador on April 16 of 2016, the Ecuadorian Government declared the whole Island of Muisne into a risk hazard zone by a potential Tsunami impact and subsequent flooding. Based on the emitted resolution, human settlements in the affected area were prohibited, and a resettlement project in the village of Bunche is currently taking place. Nonetheless, our study demonstrates that the inundation chart used to release the mentioned resolution underestimate the flooding area in case of a real Tsunami impact. To support this conclusion, we present a new inundation chart for the three more probable scenarios, based on historical tsunami records and a seismic hazard assessment study in central coastal Ecuador.
Keywords: Tsunami modeling, seismic hazard, worst case scenario, GIS, relocation
USE OF THE JOKO TINGKIR SOFTWARE FOR RAPID DETERMINATION OF TSUNAMI FAULTING PARAMETERS RESULTING FROM THE Mw-7.8 EARTHQUAKE OF MARCH 2, 2016, IN SOUTHERN SUMATRA
Physics Department, Mathematics and Science Faculty,
Universitas Negeri Surabaya. INDONESIA
The purpose of this research was to use the Joko Tingkir software, to measure rapidly tsunami-faulting parameters of the March 2, 2016, earthquake (Mw = 7.8) off the coast of Southern Sumatra. The five parameters that needed measurement were the quake’s rupture duration (Tdur), the dominant period Td), the exceedance duration of 50 seconds (T50Ex), the multiplication between rupture duration and the dominant period (Tdur x Td), and the multiplication exceedance duration and dominant period (T50Ex x Td). The methodology of measuring these parameters is based on the direct analysis of the locally measured seismic broadband vertical components, without inversion. The seismographic data used for this study was obtained from 18 seismic stations of the BMKG network. The tsunami parameters thresholds used by the Joko Tingkir software were: Tdur = 65 s, Td = 10 s, T50Ex = 1, Tdur x Td =650 s2 and T50Ex x Td = 10 s. Earthquakes that have three or more parameters that are equal or bigger than these threshold values, are known to be associated with tsunami generation. Rapid measurements of parameters - in less than 4 minutes after the quake’s origin time - that have values of Tdur = 65.70, Td = 3.60, T50Ex = 0.13, Tdur x T50Ex = 234.00 and T50Ex x Td = 0.48, do not typically generate tsunamis.
Copyright © 2017 - TSUNAMI SOCIETY INTERNATIONAL
TSUNAMI SOCIETY INTERNATIONAL, 1741 Ala Moana Blvd. #70, Honolulu, HI 96815, USA.
SCIENCE OF TSUNAMI HAZARDS is a CERTIFIED OPEN ACCESS Journal included in the prestigious international academic journal database DOAJ, maintained by the University of Lund in Sweden with the support of the European Union. SCIENCE OF TSUNAMI HAZARDS is also preserved, archived and disseminated by the National Library, The Hague, NETHERLANDS, the Library of Congress, Washington D.C., USA, the Electronic Library of Los Alamos, National Laboratory, New Mexico, USA, the EBSCO Publishing databases and ELSEVIER Publishing in Amsterdam. The vast dissemination gives the journal additional global exposure and readership in 90% of the academic institutions worldwide, including nation-wide access to databases in more than 70 countries.
OBJECTIVE: Tsunami Society International publishes this interdisciplinary journal to increase and disseminate knowledge about tsunamis and their hazards.
DISCLAIMER: Although the articles in SCIENCE OF TSUNAMI HAZARDS have been technically reviewed by peers, Tsunami Society International is not responsible for the veracity of any statement, opinion or consequences.
Dr. George Pararas-Carayannis, Editor
Dr. Charles MADER, Mader Consulting Co., Colorado, New Mexico, Hawaii, USA
Dr. Hermann FRITZ, Georgia Institute of Technology, USA
Prof. George CURTIS, University of Hawaii -Hilo, USA
Dr. Tad S. MURTY, University of Ottawa, CANADA
Dr. Zygmunt KOWALIK, University of Alaska, USA
Dr. Galen GISLER, NORWAY
Prof. Kam Tim CHAU, Hong Kong Polytechnic University, HONG KONG
Dr. Jochen BUNDSCHUH, (ICE) COSTA RICA, Royal Institute of Technology, SWEDEN
Dr. Yurii SHOKIN, Novosibirsk, Russian Federation
Dr. Radianta Triatmadja - Tsunami Research Group, Universitas Gadjah Mada, Yogyakarta, Indonesia
TSUNAMI SOCIETY INTERNATIONAL, OFFICERS
Dr. George Pararas-Carayannis, President;
Dr. Tad Murty, Vice President;
Dr. Carolyn Forbes, Secretary/Treasurer.
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Last update: Febr 27, 2017