Volcanoes – The Watchers

Earthquake swarm detected beneath Mount Rainier, Washington

Teo Blašković — Tue, 08 Jul 2025 19:54:44 +0000

A swarm of hundreds of small earthquakes was detected beneath the summit of Mount Rainier, Washington, starting at 01:29 LT (08:29 UTC) on July 8, 2025, prompting increased monitoring by the USGS Cascades Volcano Observatory and the Pacific Northwest Seismic Network.

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Major eruption at Mount Lewotobi Laki-laki sends ash to 19.6 km, triggers ashfall in nearby villages, Indonesia

Teo Blašković — Mon, 07 Jul 2025 09:38:24 +0000

A major explosive eruption occurred at Mount Lewotobi Laki-laki, Indonesia, on July 7, 2025, producing an ash column that rose to over 19 km (63 000 feet) above sea level (a.s.l.). The Aviation Color Code was raised to Red, resulting in the cancellation of multiple flights to and from Bali. Heavy ashfall is falling over the nearby villages.

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The Weekly Volcanic Activity Report: June 25–July 1, 2025

Teo Blašković — Thu, 03 Jul 2025 16:42:05 +0000

New activity/unrest was reported for two volcanoes from June 25 to July 1, 2025. During the same period, ongoing activity was reported for 20 volcanoes.

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Explosive eruption at Shinmoedake blankets parts of Miyazaki and Kagoshima prefectures with ash, Japan

Teo Blašković — Thu, 03 Jul 2025 12:07:57 +0000

A strong explosive eruption occurred at Shinmoedake volcano, part of the Kirishima volcanic complex on Kyushu Island, Japan, at approximately 15:37 JST (06:37 UTC) on July 3, 2025, sending an ash plume up to 6.7 km (22 000 feet) above sea level (a.s.l.). The Japan Meteorological Agency (JMA) had raised the volcanic alert to Level 3 on June 27, following increased volcanic unrest.

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Ridge of Pennata islet collapses after the strongest earthquake in 40 years strikes Campi Flegrei, Italy

Rishav Kothari — Mon, 30 Jun 2025 18:04:47 +0000

An earthquake swarm with the strongest quake registered as an M4.6 quake struck the Campi Flegrei area in southern Italy on June 30, 2025, prompting evacuations and train delays in the region. It was the strongest tremor to strike the region in 40 years, surpassing the M4.4 quakes of March and May.

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The Weekly Volcanic Activity Report: June 18–24, 2025

Teo Blašković — Thu, 26 Jun 2025 16:55:00 +0000

New activity/unrest was reported for 4 volcanoes from June 18 to 24, 2025. During the same period, ongoing activity was reported for 20 volcanoes.

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Brazilian tourist found dead after falling into ravine at Mount Rinjani, Indonesia

Reet Kaur — Wed, 25 Jun 2025 10:47:29 +0000

Brazilian tourist Juliana Marins, 26, was found dead in a steep ravine at Mount Rinjani, Lombok, Indonesia, on June 24, 2025. Marins fell into the ravine at approximately 06:30 local time (LT) on June 21, 2025, during a hike on the slopes of the active stratovolcano.

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Brazilian tourist trapped 500 m (1 640 feet) deep inside Mount Rinjani crater for over 72 hours, Indonesia

Reet Kaur — Tue, 24 Jun 2025 09:28:07 +0000

A 26-year-old Brazilian tourist is trapped inside the crater of Mount Rinjani, an active volcano in Indonesia, since 06:30 local time (LT) on June 21, 2025, after falling approximately 500 m (1 640 feet) into a steep ravine near the crater rim. Rescue operations are still in progress.

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Mount Shinmoedake erupts for first time since 2018, Japan

Teo Blašković — Sun, 22 Jun 2025 13:51:00 +0000

A moderate eruption occurred at Mount Shinmoedake, part of the Kirishimayama volcano group in Kyushu, Japan, at approximately 16:37 JST (07:37 UTC) on June 22, 2025. The Japan Meteorological Agency reported an ash plume rising 500 m (1 640 feet) above the crater rim. The alert level remains at 2, with a 2 km (1.2 miles) exclusion zone around the crater.

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Mount Etna enters new eruptive phase with lava flows and high-altitude ash emissions

Harsh Vardhan — Thu, 19 Jun 2025 19:13:09 +0000

An explosive eruption from Mount Etna’s Southeast Crater was observed at 04:33 UTC on June 19, 2025, sending ash up to 6 000 m (19 700 feet) and producing lava overflows toward Valle del Leone. As a result the Aviation Code was raised to Red.

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Volcanoes – The Watchers

Earthquake swarm detected beneath Mount Rainier, Washington

Major eruption at Mount Lewotobi Laki-laki sends ash to 19.6 km, triggers ashfall in nearby villages, Indonesia

The Weekly Volcanic Activity Report: June 25–July 1, 2025

Explosive eruption at Shinmoedake blankets parts of Miyazaki and Kagoshima prefectures with ash, Japan

Ridge of Pennata islet collapses after the strongest earthquake in 40 years strikes Campi Flegrei, Italy

The Weekly Volcanic Activity Report: June 18–24, 2025

Brazilian tourist found dead after falling into ravine at Mount Rinjani, Indonesia

Brazilian tourist trapped 500 m (1 640 feet) deep inside Mount Rinjani crater for over 72 hours, Indonesia

Mount Shinmoedake erupts for first time since 2018, Japan

Mount Etna enters new eruptive phase with lava flows and high-altitude ash emissions

Brazilian tourist trapped 500 m (1 640 feet) deep inside Mount Rinjani crater for over 72 hours, Indonesia