Activity for 2/17-2/18:
At the summit:
The lava levels in the pit of Halema`uma`u crater were low, but the lava was still moving around inside the crater. At 7 AM a hybrid earthquake occurred alogn with rockfalls. At this time the lava level lowered more. Seismic tremors continued at steady levels and two earthquakes below Kilauea were large enough to be located.
The tiltmeter recorded DI deflation and a a "positive offset" at 7AM when the hybrid earthquake occurred. The GPS receivers also indicated contraction (they came closer together which confirms that deflation is occurring).
At the east rift zone:
The tiltmeter at Pu`o`O`o crater also recorded DI deflation. Pahoehoe lava flowed down the flow fields.
The Hawaiian volcano Observatory Page updates their info with images of tiltmeter and GPS recordings. Click here to see the recording. Post below by either explaining what the tiltmeter data shows occurred during the past few days in February OR explain what the GPS receiver show has occurred since March 2008.
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16 comments:
The GPS is showing the change in distance between the two global positioning systems.
The GPS is showing that each system has moved 1 tenth of a meter away from each other.
The GPS is showing the change in distance for two GPS stations that are on opposite sides of Kilaeua's caldera.
The GPS is showing the increase in distance between the two global positioning systems on either side of the Kilauea caldera.
The GPS is showing that there is a change on the two sides of the globe.
The graph of the difference between the two global positioning systems shows that there was less of a difference between the opposite sides of Kilauea’s caldera.
The GPS is showing the change in the location on either side of the caldera.
The GPS is showing that there is movement and change at the sides of the caldera.
The GPS is showing that there is a change on the different sides of the globe.
The graph shows the difference between two GPS receivers near the caldera, it shows the inflammation at Kilauea from 2008 to 2010.
The qraph is showing the differences GPS's on either side of the caldera.
The GPS is showing the distances between two GPS's on both sides of the caldera.
The tiltmeter showed positive readings on 2/18 after an earthquake at 7 am. It also showed deflation, meaning an eruption may occur.
Trent H
The GPS graph is showing the difference of the two GPS receivers on the sides of the caldera. The graph also shows deflation, showing that an eruption might occur soon!
The GPS graph shows the distance change between two GPSs on either side of the caldera.The graph also shows contraction.
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