Home Reef volcano grows to 6 hectares (15 acres), Tonga

Home Reef volcano grows to 6 hectares (15 acres), Tonga

Home Reef volcano re-emerged above sea level on September 9, 2022, prompting authorities in Tonga to issue a Hazard Alert to all marines to sail at least 5 km (3.1 miles) away from the volcano. The volcano is located midway between Metis Shoal and Late Island in the central Tonga islands. It was first reported active in the mid-19th century when an ephemeral island formed.

Increased activity at Sorikmarapi volcano, Indonesia

Increased activity at Sorikmarapi volcano, Indonesia

Indonesian PVMBG is reporting increased activity under the Sorikmarapi stratovolcano, North Sumatra, Indonesia. The last eruption at this volcano took place in 1986 (VEI 1).

Eruption at Alaid volcano, Kuril Islands, Russia

Eruption at Alaid volcano, Kuril Islands, Russia

Moderate volcanic activity continues at Alaid volcano, Russia, with ash emissions rising up to 3 km (10 000 feet) above sea level at 05:20 UTC on September 27, 2022, according to the Tokyo VAAC.

Seismic activity beneath Mauna Loa gradually increasing over the past 2 months, Hawai’i

Seismic activity beneath Mauna Loa gradually increasing over the past 2 months, 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.