Worldwide Volcano News and Updates

KVERT reported that during 24-31 July lava-dome extrusion onto Sheveluch's N flank was accompanied by fumarolic activity, dome incandescence, and hot avalanches. Satellite images showed a daily thermal anomaly over the dome. The Aviation Color Code remained at Orange. Read all

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HVO reported that seismicity beneath Kilauea's summit, upper East Rift Zone, and Southwest Rift Zone was at background levels during 29 July-4 August. The lava lake continued to circulate and spatter in the Overlook vent. Webcams recorded multiple incandescent outgassing vents within Pu'u 'O'o; for 45 minutes on 31 July a lava flow effused from a vent on the E part of the crater floor. Read all

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KVERT reported that moderate explosive activity at Karymsky continued during 24-31 July. Satellite images detected a daily thermal anomaly, as well as ash plumes that drifted 65 km E and NW during 25 and 27-30 July. Helicopter pilots observed explosions on 28 July; ash plumes rose to an altitude of 4 km (13,100 ft) a.s.l. and drifted N. Read all

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Based on observations conducted at the Karangetang Volcano Observation Post in the village of Salili, PVMBG reported that white plumes rose as high as 250 m above the Main Crater and 25 m above Crater II during 22-29 July; foggy conditions occasionally prevented views. Incandescence from the lava dome was observed at night. Incandescent avalanches from the fronts of 150-m-long lava flows traveled as far as 2.5 km E down the Batuawang and Kahetang drainages. Read all

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Based on analyses of satellite imagery and wind data, the Darwin VAAC reported that during 29 July-4 August ash plumes from Dukono rose to altitudes of 2.1-3 km (7,000-10,000 ft) a.s.l. and drifted 55-155 km NW, N, NE, and ENE. Read all

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Based on JMA notices, satellite-image analyses, and pilot observations, the Tokyo VAAC reported that ash plumes from Suwanosejima rose to altitudes of 2.1-3 km (7,000-10,000 ft) a.s.l. and drifted E, SW, and W during 30-31 July and 4 August. On 2 August an ash plume rose to an altitude of 4 km (13,000 ft) a.s.l. Read all

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On 4 August BNPB reported that during the previous three days the Strombolian eruption at Raung increased in intensity. Ash fell in Sempu, Songgon, Glenmore, Gambiran, and Banyuwangi. On 4 August dense blackish gray ash plumes rose 800 m and drifted SE. Read all

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OVPDLF reported that a sharp increase in seismicity at Piton de la Fournaise, increased gas emissions, and deformation recorded on 30 July prompted an Alert Level increase and an evacuation. A fissure eruption began the next day at 0920, preceded by 90 minutes of high seismicity and 80 minutes of major deformation; it was confirmed by a hiker and then by observation of a gas plume. A 1-km-long fissure opened in the NE part of the l'Enclos Fouqué caldera and produced dozens of lava fountains. Read all

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The Washington VAAC reported bright thermal anomalies at Nevado del Ruiz visible in satellite images on 31 July; a brief increase in seismicity was detected, and the thermal anomaly was weaker in subsequent images. Read all

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RVO reported that an eruption at Manam's Southern Crater began at about 1130 on 31 July with low roaring noises. Soon after, variously-sized scoria were ejected; fist-sized scoria fell in Warisi village on the E side of the island, and clasts 10-20 cm in diameter fell on the N side of the island in Baliau. Two people were knocked unconscious after being hit with scoria. Read all

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