Tilt record from summit tiltmeter at Uwekahuna vault.

Tilt record from summit tiltmeter at Uwekahuna vault.

Detailed Description

Tilt record from summit tiltmeter at Uwekahuna vault. Tilt is recorded in microradians; one radian equals 57.3 degrees. (For those unfamiliar with tilt units, one microradian is roughly the tilt created by inserting a dime beneath the end of one-kilometer-long beam.) The tilt record shows the abrupt inflation of Kilauea's summit area soon after the seismic swarm began, followed by deflation as a slug of magma moved from the summit to the Pu`u `O`o vent area, and finally recovery of the summit area to its pre-surge level.

Details

Image Dimensions: 450 x 127

Date Taken:

Location Taken: US