Rapid uplift and strong seismicity precede new eruption at Kīlauea, Hawaii

Rapid uplift and strong seismicity precede new eruption at Kīlauea, Hawaii

At 01:15 UTC on September 11, 2023 (15:15 HST, September 10), the USGS Hawaiian Volcano Observatory (HVO) identified new eruptive activity at Kīlauea’s summit within Hawai‘i Volcanoes National Park, based on webcam images and field reports. The eruption was preceded by intense seismic activity and rapid uplift at the summit.

The opening phase of eruption at Kilauea volcano, Hawaii

The opening phase of eruption at Kilauea volcano, Hawaii

This video, captured by the Hawaiian Volcano Observatory’s KWcam on the northwest rim of the caldera, shows the opening phase of the eruption that began within Halemaʻumaʻu crater in the early morning of June 7, 2023 (LT).

New eruption starts at Kilauea volcano, Hawaii

New eruption starts at Kilauea volcano, Hawaii

At approximately 14:44 UTC (04:44 HST) on June 7, 2023, the USGS Hawaiian Volcano Observatory (HVO) detected a glow in Kīlauea summit webcam images indicating that an eruption has commenced within Halemaʻumaʻu crater in Kīlauea’s summit caldera, within Hawai‘i Volcanoes National Park.

Mauna Loa is no longer erupting, Hawai’i

Mauna Loa is no longer erupting, Hawai’i

The eruption at Mauna Loa that started on November 28, 2022, ended on December 13. This was the first eruption at the world’s largest active volcano since 1984 (VEI 0).

Seismic activity beneath Mauna Loa increasing, Hawai’i

Seismic activity beneath Mauna Loa increasing, Hawai’i

Seismic activity beneath the Mauna Loa volcano has been gradually increasing over the past 2 months. In addition, a small seismic swarm started on September 23, with most earthquakes in a cluster about 5 km (3.1 miles) wide and -2 to 1 km (-1.2 to 0.6 miles) below the surface. The Aviation Color Code is at Yellow and the Volcano Alert Level at Advisory.

HVO tracking changes at world’s largest volcano – Mauna Loa, Hawaii

HVO tracking changes at world’s largest volcano – Mauna Loa, Hawaii

Scientists at the USGS Hawaiian Volcano Observatory are tracking changes on the Mauna Loa, the world's largest volcano. This volcano is currently not erupting, but there have been signs of elevated unrest above known background activity since July 2019, when HVO…