| How Old is the Grand Canyon

Wayne Ranney has an article in Geology.com about the are of the Grand Canyon.

Age of the Grand Canyon | How Old is the Grand Canyon

Harry Allen

Clarkdale M3.7 Earthquake

Groundswell has a blog posting on the recent Clakrdale quake



Clarkdale M3.7 Earthquake


Harry Allen

How Did the Rocky Mountains Form? | Formation of the Rockies

Here is an interesting new theory on how to get a mountain range far away from the coast.
From Geology.com:

How Did the Rocky Mountains Form? | Formation of the Rockies

Harry Allen

Satellite Photos - Japan Before and After Tsunami - Interactive Feature - NYTimes.com

Great before and after photos of the power of a tsunami. Catastrophism in action.

Satellite Photos - Japan Before and After Tsunami - Interactive Feature - NYTimes.com

Harry Allen

Georneys: Why are there Earthquakes and Volcanoes in Japan? In Response to: Magnitude 8.9 Earthquake & Tsunami in Japan

Georneys blog had a good well ilustrated explanation about why there are earthquakes in Japan


Georneys: Why are there Earthquakes and Volcanoes in Japan? In Response to: Magnitude 8.9 Earthquake & Tsunami in Japan


Harry Allen

Mountain Beltway | Art imitates art

Tsunami art imitated by travel time map:

AGU Blogosphere | Mountain Beltway | Art imitates art

Harry Allen

Map of tsunami Energy

Here is a NOAA map of the energy of the tsunami from the 8.9 quake off Japan


http://wcatwc.arh.noaa.gov/2011/03/11/lhvpd9/energylhvpd9-04.jpg


Harry Allen