Mount Gareloi’s seismic surge linked to magmatic-hydrothermal changes, U.S.

Mount Gareloi’s seismic surge linked to magmatic-hydrothermal changes, U.S.

The Alaska Volcano Observatory (AVO) has detected a notable increase in seismicity at Mount Gareloi beginning at 18:15 UTC on February 12, 2024, prompting the elevation of the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory. Despite the uptick in seismic activity, there are no signs of an imminent eruption.

Seismic activity and ground deformation surge at Kīlauea’s summit, Hawaii

Seismic activity and ground deformation surge at Kīlauea’s summit, Hawaii

Increased earthquake activity and signs of magma movement beneath Kīlauea’s summit, detected on January 31, 2024, have prompted the USGS Hawaiian Volcano Observatory to elevate the volcano’s alert level from ADVISORY/YELLOW to WATCH/ORANGE. With over 500 earthquakes recorded since midnight and ground deformation indicating pressurized magma chambers, the risk of an eruption remains high.

Slow lava eruption continues at Great Sitkin volcano, Alaska

Slow lava eruption continues at Great Sitkin volcano, Alaska

The Alaska Volcano Observatory reported a continuous slow eruption of lava in the summit crater of Great Sitkin Volcano as of 19:30 UTC on January 30, 2024. The Aviation Color Code remains at Orange and Alert Level at Watch.

Earthquake swarm in the vicinity of Davidof volcano, alerts raised, Alaska

Earthquake swarm in the vicinity of Davidof volcano, alerts raised, Alaska

A swarm of earthquakes has occurred in the vicinity of Davidof volcano, Alaska over the past two days. A similar earthquake swarm occurred in December 2021. There is no known eruption of this volcano over the past 10 000 years.​ The largest earthquake in the…