scholarly journals An Ocean Bottom Magnetometer for Marine Geomagnetic Field Survey - Developed dIdD and Fluxgate Sensor

2018 ◽  
Author(s):  
Xiaomei Wang ◽  
Xiaomei Wang ◽  
Yuntian Teng ◽  
Yuntian Teng ◽  
Jiemei Ma ◽  
...  
Keyword(s):  
Geomagnetic Field ◽  
Field Survey ◽  
Ocean Bottom ◽  
Fluxgate Sensor

Fault Model of the 1804 Kisakata Earthquake (Akita, Japan)

2020 ◽  
Vol 91 (5) ◽  
pp. 2674-2684 ◽  
Author(s):  
Kentaro Imai ◽  
Shinsuke Okada ◽  
Narumi Takahashi ◽  
Yuichi Ebina ◽  
Yoshinobu Tsuji
Keyword(s):  
Crustal Deformation ◽  
Field Survey ◽  
Ground Motions ◽  
Fault Model ◽  
Historical Documents ◽  
Ocean Bottom ◽  
Tsunami Height ◽  
Strong Ground Motions ◽  
Strong Ground ◽  
Extensive Damage

Abstract The 10 July 1804 Kisakata earthquake occurred offshore Kisakata (Akita, Japan), and widespread felt shaking was reported from Matsumae (Hokkaido) to Ohmi-Hachiman (Shiga Prefecture). The earthquake caused strong ground motions that extensively damaged areas near the epicenter, such as along the coast of Kisakata, and the resultant tsunami caused extensive damage along the coast from Kisakata to Sakata. Furthermore, Kisakata lagoon was uplifted by dislocation during the earthquake, exposing the lagoon floor. Here, we performed a field survey of the uplift distribution based on microtopographic remnants of the former shoreline of Kisakata lagoon and used historical documents to re-evaluate tsunami trace heights. Using ocean-bottom reflection profiles, we estimated a fault model for the earthquake and resultant tsunami. Our model indicates that an average of 5.6 m of slip on the fault (equivalent to an Mw 7.1 earthquake) is required to explain the observed crustal deformation and tsunami height distributions, and back correction of the modeled slip reproduced well the former shoreline of Kisakata lagoon.

DI-flux measurement of the geomagnetic field using a three-axial fluxgate sensor

2009 ◽  
Vol 20 (2) ◽  
pp. 027004 ◽  
Author(s):  
A Hemshorn ◽  
H U Auster ◽  
M Fredow
Keyword(s):  
Geomagnetic Field ◽  
Flux Measurement ◽  
Fluxgate Sensor

scholarly journals Sea floor measurement of geomagnetic field using newly developed ocean bottom magnetometers.

1982 ◽  
Vol 34 (10) ◽  
pp. 571-585 ◽  
Author(s):  
Jiro SEGAWA ◽  
Takesi YUKUTAKE ◽  
Yozo HAMANO ◽  
Takashi KASUGA ◽  
Hisashi UTADA
Keyword(s):  
Geomagnetic Field ◽  
Ocean Bottom ◽  
Sea Floor

The anomalous entry of low-rigidity solar cosmic rays into the geomagnetic field

1963 ◽  
Vol 68 (19) ◽  
pp. 5327 ◽  
Author(s):  
S.-I. Akasofu ◽  
W. C. Lin ◽  
J. A. Van Allen
Keyword(s):  
Cosmic Rays ◽  
Geomagnetic Field ◽  
Solar Cosmic Rays

A FIELD SURVEY OF AIR-TO-GROUND TARGET-DETECTION PROBLEMS.

1966 ◽  
Author(s):  
SAMUEL A. HICKS ◽  
CALVIN G. MOLER
Keyword(s):  
Target Detection ◽  
Field Survey ◽  
Ground Target

Field survey on the freshwater snails in Cheju Province(Quelpart lsland), Korea: Especially on presence or not of Parafossarulus manchouricus

1964 ◽  
Vol 2 (3) ◽  
pp. 183 ◽  
Author(s):  
Suck Young Kang ◽  
In Kyu Loh ◽  
Yung Hoon Park ◽  
Byung Chan Kim ◽  
Too Bong Lim
Keyword(s):  
Field Survey ◽  
Freshwater Snails

Models of the geomagnetic field and characteristics of magnetic storms

2006 ◽  
Vol 12 (1) ◽  
pp. 64-69
Author(s):  
O.I. Maksimenko ◽  
◽  
L.N. Yaremenko ◽  
O.Ya. Shenderovskaya ◽  
G.V. Melnyk ◽  
...  
Keyword(s):  
Geomagnetic Field ◽  
Magnetic Storms
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