#Tiltmeters

Volcano Watch – Tilting toward lava: How tiltmeters monitor volcano activity

Borehole tiltmeters have been used by the USGS Hawaiian Volcano Observatory (HVO) since the early 1970s and have since become an essential part of HVO’s volcano monitoring program.

Kīlauea earthquakes abating – volcano saw more than 350 quakes per day last week

The Hawaiian Volcano Observatory notes inflation is occurring in the caldera south of Halemaʻumaʻu – activity similar to conditions prior to last week’s period of heightened unrest.

Volcano Watch: More than 1,600 earthquakes recorded on Kīlauea since late April

Since midnight of April 27, over 1,600 earthquake events have been recorded on Kīlauea on the Big Island.

Kīlauea alert level remains elevated; magma movement means ‘possibility’ of eruption

Based on past historical activity, this event is much more likely to continue as an intrusion, but there is still a possibility of it ending in an eruption.

Volcano Watch: Calm, unrest, eruptions and everything in between at Kīlauea summit

Since that 2018 activity, Kīlauea has experienced nearly constant change with distinct episodes of calm, unrest, eruptions and everything in between.

Kilauea Summit Update – 8/6/15

For three days, the summit of Kilauea held flat as tiltmeters at the summit recorded no significant change. The three day lull ended Thursday morning as deflationary tilt began at the summit.

Kilauea Summit Update – 5/26/15

Tiltmeters at Kilauea’s summit continue to record deflationary tilt that began Sunday as seismic activity remains normal.

Kilauea Summit Update – 5/15/15

Tiltmeters at Kilauea’s summit show an increase of tilt that doesn’t generally correspond with summit inflation and deflation models.