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PHOTOS: Monitoring Cracks for Possible Magma Movement

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The U.S. Geological Survey released the following pictures on Sunday, Aug. 12, 2018.

Fissure 8 may have slowed down, but HVO scientists are still on the ground in Leilani Estates, monitoring old ground cracks and marking ones that haven’t been surveyed before.

As of Sunday, Aug. 12, no unusual changes in cracks were noted. Click to enlarge. PC: USGS

Monitoring these cracks over multiple days and help detect any new signs of magma movement beneath the ground, one of the indicators that fissures might reactivate.

Kīlauea’s Halema‘uma‘u crater was quiet again today, with only degassing from cracks and fumaroles noted by HVO observers.

Kīlauea Summit on Sunday, Aug. 12, 2018. Click to enlarge. PC: USGS

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In this zoomed photo, the large slump block on the south side of Halema‘uma‘u still preserves a largely intact short stretch of Crater Rim Drive.

Close-up of the summit on Sunday, Aug. 12, 2018. Click to enlarge. PC: USGS

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