Monthly Archives: October 2011

Friday Focal Mechanisms: the Hayward Fault shows up to the Shakeout Party

Yesterday, several million Californians participated in the 2011 Great California ShakeOut – a simulated earthquake drill, held close to the anniversary of the 1989 Loma Preita earthquake, that aims not only to raise awareness of the ever-present risk of a … Continue reading

Categories: earthquakes, focal mechanisms, geohazards

Does plate tectonics control magnetic reversals?

Possibly, but this paper will not convince you. Continue reading

Categories: Cenozoic, geophysics, Mesozoic, palaeomagic, tectonics

New at Erratics: the mysterious iron ore of Bell Island, Conception Bay, Newfoundland

We’re pleased to welcome our latest contributer to Earth Science Erratics: Tim Sherry, a graduate student at McGill University. His first entry (cross-posted from Tim’s newly created geoblog, Up-Section), gives an account of a memorable stop on a recent field … Continue reading

Categories: links, outcrops, rocks & minerals

Stuff we linked to on Twitter last week

For your clicking pleasure: the most interesting stories and links that we came across this week in our internet meanderings. Volcanoes Many geobloggers were considering volcanoes this week. Not, as it turns out, due to the undersea eruption El Hierro … Continue reading

Categories: links

Scenic Saturday: the American West from above

Lets play Where On (Not Google) Earth! Continue reading

Categories: geopuzzling, outcrops, photos, structures