Abstract
Repeating geomagnetic dip surveys in Ooshima Island, the writer found out marked changes in the earth's magnetic field at the early period of the 1950 eruption of Volcano Mihara, the changes being recognized as the demagnetization in the deep interior of the volcano due to temperature-rise.In order to study the geomagnetic change in detail, a continuous recording of the change in geomagnetic declination was begun since April this year, while a survey of three geomagnetic components was also made in May.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
