Wednesday, September 4, 2013

Early quake warning system was 1st proposed by an Iranian | ummid.com

Early quake warning system was 1st proposed by an Iranian | ummid.com
Yusef noticed an unusual movement of the magnetic needle of his telegraph instrument and while other telegraph operators during the late 1800s and early 1900s noticed the phenomenon, he proposed an earthquake early warning system, sciencedaily.com reported Tuesday.