Vulkan-Monitor

Augenblicklich aktive Vulkane:

Bezymianny (Russia) - Report for 7 May-13 May 2025 - NEW

Datum: Wed, 14 May 2025 03:51:31 -0400

Beschreibung:

The Kamchatkan Volcanic Eruption Response Team (KVERT) reported that a thermal anomaly over Bezymianny was identified in satellite images during 1-8 May. According to the Institute of Volcanology and Seismology (IVS) of the Far Eastern Branch of the Russian Academy of Sciences (FEB RAS), crater incandescence was visible during dark hours on most days, though weather clouds mostly obscured views during 5-6 May. Hot avalanches of material descended the flanks during 1-3 May. The Aviation Color Code remained at Yellow (the second lowest level on a four-color scale). Dates are reported in UTC; specific events are in local time where noted.

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

Bulusan (Philippines) - Report for 7 May-13 May 2025 - NEW

Datum: Wed, 14 May 2025 03:51:31 -0400

Beschreibung:

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported continuing unrest at Bulusan during 6-12 May. The seismic network recorded 18-124 daily volcanic earthquakes. Voluminous gas-and-steam emissions rose as high has 400 m above the summit and drifted NW, WNW, W, and WSW. Daily averages of sulfur dioxide emissions ranged from 466 to 1,117 tonnes per day; emissions were not reported on 11 May. A special advisory was issued on 12 May due to increasing seismicity. From 0000 on 8 May until 1330 on 12 May the seismic network recorded 309 volcanic earthquakes; of those 287 were volcano-tectonic earthquakes indicating rock fracturing at shallow depths (less than 4 km) beneath the SE flank and 22 were low-frequency earthquakes associated with fluid movement. The Alert Level remained at 1 (the second lowest level on a scale of 0-5). The public was reminded not to enter the 4-km-radius Permanent Danger Zone (PDZ) and to be vigilant within the 2-km Extended Danger Zone (EDZ) on the SE flank.

Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)

Kanlaon (Philippines) - Report for 7 May-13 May 2025 - NEW

Datum: Wed, 14 May 2025 03:51:31 -0400

Beschreibung:

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported continuing eruptive activity at Kanlaon during 6-13 May. Daily sulfur dioxide emissions ranged from 554 to 3,055 tonnes per day. Gas-and-steam plumes with occasional ash content rose as high as 1 km above the crater rim and drifted NW, W, SW, and SE. Periods of ash emissions were noted on 8 May (5 minutes) and 11 May (27 minutes). The seismic network recorded 5-10 daily volcanic earthquakes during 6-10 May and 63 volcanic earthquakes on 11 May. A total of 135 volcanic earthquakes were detected by the seismic network from 0000 on 11 May to 1200 on 12 May, including relatively strong volcanic-tectonic earthquakes, indicating rock fracturing due to rising magma or gases. A total of 72 volcanic earthquakes (M 0.3-3.1) recorded during 0000-1200 on 12 May were located 0-8 km beneath the N and NW flanks. PHIVOLCS issued an advisory at 1330 on 12 May noting increased seismicity. A moderately explosive eruption began at 0255 on 13 May and lasted for five minutes based on seismic and infrasound data. Audible rumbling sounds were heard in barangays in Negros Oriental, including Pula and Canlaon City (10 km ESE), and in La Castellana (16 km SW) in Negros Occidental. A voluminous grayish ash plume rose about 4.5 km above the summit and drifted SW. Incandescent pyroclastic density currents descended the S flanks as far as 2 km based on visual and thermal camera monitoring. Large fragments were ejected from the crater a few hundred meters and set vegetation near the summit on fire. Minor ashfall was reported in the barangays of Yubo and Ara-al (La Carlota City, 14 km W), in Ilijan and Binubuhan (Bago City, 30 km NW), and in Biak-na-Bato, Sag-ang, and Mansalanao (La Castellana). According to news articles additional reports of ashfall came from San Carlos City (31 km ENE) and Bacolod (35 km NW), as well from the municipalities of Murcia (24 km NW), San Enrique (29 km W), Valladolid (34 km W), Pontevedra (29 km WSW), Hinigaran (35 km SW), and Binalbagan (38 km SW). A sulfur odor was also reported in several localities. According to the Tokyo VAAC the ash plume rose to 7.9 km (26,000 ft) a.s.l., or 5.5 km above the summit. Dozens of flights in and out of the affected areas were cancelled, and others delayed or rerouted, during 13-14 May. The Alert Level remained at 3 (on a scale of 0-5); the public was warned to stay 6 km away from the summit and pilots were warned not to fly close to the volcano.

Sources: Air Asia,Cebu Pacific,Philippine Airlines,Philippine Institute of Volcanology and Seismology (PHIVOLCS) ,Philippine News Agency (PNA) ,Tokyo Volcanic Ash Advisory Center (VAAC)

Klyuchevskoy (Russia) - Report for 7 May-13 May 2025 - NEW

Datum: Wed, 14 May 2025 03:51:31 -0400

Beschreibung:

The Kamchatkan Volcanic Eruption Response Team (KVERT) reported that a thermal anomaly at Klyuchevskoy was identified in satellite images during 1, 4, and 6-8 May. The Aviation Color Code remained at Yellow (the second lowest level on a four-color scale). Dates are based on UTC times; specific events are in local time where noted.

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

Raung (Indonesia) - Report for 7 May-13 May 2025 - NEW

Datum: Wed, 14 May 2025 03:51:31 -0400

Beschreibung:

The Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG) reported that at 0509 on 9 May an ash plume rose around 1 km above Raung?s summit crater rim and drifted N and NW. The Alert Level remained at 2 (on a scale of 1-4) and the public was warned to stay 3 km away from the summit crater.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)