Monthly Archives: June 2013

Earth Scope Sensor at Mt. Lassen Volcanic National Park

Ran across something called “Earth Scope” on a recent visit to the Mt. Lassen Volcanic National Park. Some quick googling yielded: GPS geodesy provide complementary measurement systems for resolving strain-rate over the time period proposed for the Plate Boundary Observatory. … Continue reading

Posted in GPS Tagged

Annular Supermoon

Once a year we are treated to a moon that appears much larger than normal (especially at the horizon). This occurs when the moon is at perigee and is full. June 23, 2013 is this year’s event. Click on the … Continue reading

Posted in Astronomy Tagged