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Images of Cleveland's summit crater and lava dome on 26 July 2016. Top image is infrared (warmer colors = hotter temperatures) (image: John Lyons / AVO)
by staff of the Alaska Volcano Observatory (AVO) showed a small lava dome and active fumaroles inside the volcano's summit crater. Incandescence could be seen at the vent of the dome, indicating that it is still active even though no explosions or other eruptive activity have taken place recently.
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Steam/ash plume from Klyuchevskoy volcano last night
reported an ash plume from the volcano at 20:40 UTC, based on satellite data.
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Map of today's active volcanoes
: The effusive and explosive activity at the volcano continue at currently relatively low levels. Occasional small avalanches occur from the active dome, but little or no glow can be seen on night-time webcam imagery, suggesting that the effusion rate is at the lower end at the moment.
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Number of earthquakes under Piton de la Fournaise volcano over the past weeks(OVPF)
Signs that a new eruption of the volcano in the near future could be in the making have been increasing. In a bulletin yesterday, the volcano observatory (OVPF) reported elevated seismic activity, deformation and gas emissions that are consistent with the rise of magma to shallow depths.
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Eruption at Colima volcano yesterday evening
Intermittent explosions continue at the volcano from time to time, but with comparably low intensity. No or little glow is visible from the volcano's summit at night, suggesting that the magma column is relatively deep inside the conduit currently.
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Small ash emission from Nevado del Ruiz yesterday evening (INGEOMINAS webcam)
Sporadic, usually small ash emissions continue to occur from time to time (every few days) such as last night (s. image attached). These explosions are likely phreatic in nature, i.e. driven by steam explosions inside the currently unstable hydrothermal system heated by an underlying magma intrusion at shallow depth.
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Seismic signal from Pacaya's PCG station showing degassing and spattering / strombolian explosions going on (INSIVUMEH)
Mild strombolian activity continues from the Mackenney crater. According to a recent report, this activity ejected glowing material to 75 m above the crater and weak incandescence could be observed from the crater at night.
Fri, 29 Jul 2016, 08:41SVERT reported that a thermal anomaly over Snow, a volcano of Chirpoi, was detected in satellite images during 18 and 20-24 July. Steam-and-gas emissions were visible drifting SW on 16 July and may have contained minor amounts of ash. Steam-and-gas emissions during 22-24 July drifted as far as 90 km N. The Aviation Color Code remained at Yellow.
Fri, 29 Jul 2016, 08:29
A small ash emission from the volcano was reported yesterday evening. According to Darwin VAAC, a plume at approx. 7,000 ft (2.1 km) altitude extended 35 km west from the volcano.
Fri, 29 Jul 2016, 08:19
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Small ash plume from an avalanche at Shiveluch volcano yesterday (KVERT webcam)
The effusive and explosive activity at the volcano continue at currently relatively low levels. Occasional small avalanches occur from the active dome, but little or no glow can be seen on night-time webcam imagery, suggesting that the effusion rate is at the lower end at the moment.
Fri, 29 Jul 2016, 08:08
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Weak explosive activity at Semeru on 26 July 2016 (image: Yoga Ikhsanto / facebook)
During an ongoing tour in East Java, our small group observed glow and mild explosive (strombolian) activity from Semeru volcano's summit crater. The lava flow in the southern ravine was inactive.
Fri, 29 Jul 2016, 07:53
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Map of Kilauea's new lava flow that reached the sea on 26 July 2016
As of yesterday evening (morning in Hawai'i), the new sea entry of the "61G" lava flow near the Kamokuna area continued to be active with and was at least 20 meters wide, spilling over the older sea cliff.
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Fri, 29 Jul 2016, 07:26
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Lava fountaining from Fuego volcano this morning
Another intense eruptive phase with strong explosions, lava fountaining and abundant lava flow activity is in progress at the volcano.
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Fri, 29 Jul 2016, 07:16
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Explosion at Sinabung yesterday (28 July 2016) at 09:29 local time, generating a plume of 1000 m (photo: PVMBG)
Explosive and effusive activity continue with no significant changes at relatively low level. Almost every day, the lava dome produces small to moderate ash explosions at the summit.
Fri, 29 Jul 2016, 07:11
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avlof Volcano on 28 July 2016, showing an ash and steam cloud drifting to the northeast (photo: Pavel Izbekov / AVO)
Weak eruptive activity has been observed at the volcano in the form of intense steaming and small ash emissions and the aviation color code was raised to orange yesterday.
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Thu, 28 Jul 2016, 21:00
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Map of today's active volcanoes
: A new eruption was reported by Tokyo VAAC who discovered new ash emissions from the volcano since yesterday morning. The ash plume observed on Himawari 8 satellite imagery rose to estimated 18,000 ft (5.4 km) altitude and drifted over 150 km to the NE passing the southern part of the Kamchatka peninsula.
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Thu, 28 Jul 2016, 12:05
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Ash plume from Bromo on 21 July 2016 (image: PVMBG)
Mild, diffuse ash and steam emissions continue from the crater.
Thu, 28 Jul 2016, 12:05A small phreatic eruption occurred from the hot crater lake in the morning (08:19 local time) on 25 July and ejected material to 50 m above the crater lake's surface.
Thu, 28 Jul 2016, 12:05
PHIVOLCS reported that during 20-25 July diffuse white plumes rose above Kanlaon; On 20 July plumes were a dirty-white color, and on 25 July they rose 200 m and drifted NW and SW. The Alert Level remained at 1 (on a scale of 0-5).
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Thu, 28 Jul 2016, 12:05PHIVOLCS reported that on 20 July white-to-light-gray plumes rose to low levels above Bulusan and drifted WNW. During 21-25 July diffuse white plumes rose as high as 250 m above the crater and drifted NW and SW. The Alert Level remained at 1, indicating abnormal conditions and a 4-km-radius Permanent Danger Zone (PDZ).
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Thu, 28 Jul 2016, 09:16
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Ash plume from Chikurachki volcano today (Tokyo VAAC)
A new eruption was reported by Tokyo VAAC who discovered new ash emissions from the volcano since yesterday morning. The ash plume observed on Himawari 8 satellite imagery rose to estimated 18,000 ft (5.4 km) altitude and drifted over 150 km to the NE passing the southern part of the Kamchatka peninsula.
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Wed, 27 Jul 2016, 21:00
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Map of today's active volcanoes
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(27 Jul) The so-called 61G lava flow continued its rapid advance and reached the ocean early yesterday morning at 01:12 local time.
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Wed, 27 Jul 2016, 07:55
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The new lava flow sea entry shortly after its formation (image: tapandgrind / instagram)
The so-called 61G lava flow continued its rapid advance and reached the ocean early yesterday morning at 01:12 local time.
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Wed, 27 Jul 2016, 06:00Based on analyses of satellite images and information from PVMBG, the Darwin VAAC reported that during 27-31 July and 1 August ash plumes from Tengger Caldera's Bromo cone rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted as far as 55 km NW, W, and SW.
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Wed, 27 Jul 2016, 06:00
Based on JMA notices and satellite-image analyses, the Tokyo VAAC reported that during 1-2 August ash plumes from Suwanosejima rose to altitudes of 1.5-3.4 km (5,000-11,000 ft) a.s.l. and drifted W and SE.
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Wed, 27 Jul 2016, 06:00Based on satellite and webcam images, model data, and ground reports from PVMBG, the Darwin VAAC reported that during 27-28 July and 1 August ash plumes from Sinabung rose to altitudes of 4-4.3 km (13,000-14,000 ft) a.s.l. and drifted NE, E, and SSE.
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Wed, 27 Jul 2016, 06:00
KVERT reported that during 22-29 July lava-dome extrusion onto Sheveluch's N flank was accompanied by strong fumarolic activity, dome incandescence, ash explosions, and hot avalanches. Satellite images showed a daily thermal anomaly over the dome. The Aviation Color Code remained at Orange.
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Wed, 27 Jul 2016, 06:00AVO reported that on 28 July vigorous steam-rich gas plumes from Pavlof were visible in webcam images from Cold Bay (60 km SW) and Black Hills (35 km NNE). The report also noted that recent satellite images and a pilot observation indicated minor ash emissions associated with degassing which rose to an altitude less that 4.5 km (15,000 ft) a.s.l. The Aviation Color Code was raised to Orange and Volcano Alert Level was raised to Watch.
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