Geophysics is the physics of the Earth, its environment, and the space surrounding it. It includes subjects including plate tectonics, the generation of magmas, and the formation of rocks.
Regular Blogs
With words as well as video and photographs, this weblog explores geophysics as they occur in regular life. Entries include reviews and commentary on BBC programs, droughts, and electromagnets.
http://drgeophysics.wordpress.com/
Follows the trends, news, technologies, and events of geophysics with topics such as airborne, equipment, and ground.
http://explorationgeophysics.info/
A PhD candidate at Stanford's Department of Geophysics writes here about the ups and downs of life as a graduate student and researcher.
http://www.geophysicist.nl/doku.php?id=blog
Collaborative effort of numerous geologists, geoscientists, mathematicians, and engineers who have banded together to be an internet-based educational resource in the topic of geophysical techniques for people who are non-technical.
http://www.geophysicsrocks.com/our-blog/
The focus of his weblog is paleomagnetism and traveling him his capacity as a geologist. He writes about magnetic reversals, geopuzzling, and geochemistry as well as earthquakes and volcanoes.
http://scienceblogs.com/highlyallochthonous/geology/geophysics/