Volcano Watch

When we think about the Earth's magnetic field, we often associate it with compasses and navigation. However, did you know that our planet's magnetic...

Kīlauea volcano began erupting within Halema‘uma‘u crater at the summit during the early morning of June 7. The eruption marks another in a series of...

In a recent “Volcano Watch” article, we learned about a remote sensing technique known as InSAR. This method of using satellite radar signals to...

Active volcanoes tell us their stories through earthquakes, deformation, gas emissions, and lava flows. We interpret those stories through myriad...

May 3rd, 2023, marked the fifth anniversary of the start of Kīlauea’s historic 2018 eruption that resulted in extensive lava flows from the East Rift...

May 2023 marks the 99th anniversary of a sequence of explosive eruptions from Kīlauea's summit that occurred over 16 days from May 11–27, 1924. During...

Five years ago, volcanic activity at Kīlauea dramatically changed when magma intruded into the lower East Rift Zone (LERZ). What happened at Kīlauea...

The Hawaiian Volcano Observatory (HVO) was founded in 1912. Today, over 111 years later, HVO is one of five volcano observatories supported by the U.S...

The recent 2022 Mauna Loa eruption began just before midnight, at 11:21 p.m. on November 27.  The first caldera floor fissures were visible in webcams...

Where is magma stored beneath the surface of Kīlauea and how is it transported to the places where eruptions occur? Scientists have hypothesized the...