Category Archives: palaeomagic

Now that’s what I call a geomagnetic storm!

It appears that I was a litte premature with yesterday’s post. Look at what happened to the ambient magnetic field at the two observatories at Boulder and Deadhorse today (the dotted line represents about where the plots I put up … Continue reading

Categories: geohazards, geophysics, palaeomagic, planets

The Earth weathers another geomagnetic storm

A couple of days ago, the sun got a bit excitable: This large flare produced what is known as a Coronal Mass Ejection (CME), a blob of gas and radiation hurled at high velocities from the surface of the sun … Continue reading

Categories: geophysics, palaeomagic, planets

Geological mayhem and destruction in 2012: not the end of the world, just business as usual

We don’t live on a boring planet. 2012 will be plagued by natural disasters, but so is every other year. Continue reading

Categories: antiscience, climate science, earthquakes, geohazards, palaeomagic, public science, volcanoes

Does plate tectonics control magnetic reversals?

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

Categories: Cenozoic, geophysics, Mesozoic, palaeomagic, tectonics

Portolan Maps: the medieval GPS?

With the right chart, all medieval navigators needed to get from port to port was a compass, and a bearing to follow… Continue reading

Categories: palaeomagic