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Location of quakes during the past 2 weeks (IGN)
: Small earthquakes (mostly below magnitude 2) continue to occur frequently (10-20 per day), mostly under the central part of the island. Right now, this activity seems to be picking up, but it is too early to see if this evolves into another swarm.
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Location of yesterday's earthquake under Momotombo volcano, Nicaragua
A swarm of quakes including a shallow magnitude 3.8 felt earthquake occurred yesterday morning (16:38 GMT) at 3.5 km depth under the NW flank of the volcano. There are no reports of other unusual activity at the volcano.
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Seismic signal yesterday evening (MOMN station, INETER)
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Current seismic recording from Veniaminof (VNHG station, AVO)
The eruption at the intracaldera cone of Veniaminof Volcano continues. The seismicity over the past 24 hours has been characterized by discreet episodic bursts of tremor, likely associated with lava effusion and minor ash emission.
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SO2 plume from Ambrym volcano (NOAA)
A large SO2 plume is drifting NW from the volcano, where at least two lava lakes in the Benbow and Marum craters remain active.
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SO2 plume from Popocatépetl yesterday (NOAA)
Activity remains low with few (less than 1 per hour) weak emissions of steam and gas. Abundant SO2 output and glow at the summit indicate continuing lava extrusion.
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Pacaya volcano last evening (INSIVUMEH)
Weak strombolian activity and the effusion of lava flows continues. The activity can be seen from the capital and the coast.
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Seismic signal from Pacaya today (PCG station, INSIVUMEH)
Fri, 30 Aug 2013, 09:20
INSIVUMEH reports strong rockfall activity from the steep-sided lava flows, suggesting that several of them are being alimented at the moment. Strong degassing produces a steam column rising up to about 1 km above the dome.
Fri, 30 Aug 2013, 09:15The lava flows were no longer active yesterday morning. Activity consisted in weak to moderate strombolian explosions with incandescent material projected to up to 150 m above the crater, and ash plumes of a few 100 m height.
Fri, 30 Aug 2013, 06:16
Explosions occurred this morning, producing ash plumes rising to 8,000 ft (2.4 km) altitude, VAAC Darwin reported.
Fri, 30 Aug 2013, 06:15VAAC Darwin reported an ash plume from the volcano at 8,000 ft (2.4 km) altitude yesterday morning. This might have originated from a larger than usual explosion.
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Wed, 28 Aug 2013, 10:05
CVGHM reported that during 1 July-25 August diffuse white plumes rose 100-150 m above Ijen's crater, the lake water was light green, and seismicity decreased.
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Wed, 28 Aug 2013, 09:04
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Klyu seen from the KVERT observatory this morning; the lava flow is indicated by the white plume rising on the right side of the upper flank
: A small lava flow has started to descend on the upper northern flank of the volcano. Sometimes intense strombolian continues at the summit vent. Glowing blocks from the lava flow often detach from the front and roll down the steep slope of the volcano. No significant ash emissions have occurred so far.
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Wed, 28 Aug 2013, 08:58
Activity remains at high levels. Over the past 24 hours, the volcano has had 8 explosions recorded by VAAC Tokyo, with ash plumes rising to up to 12,000 ft altitude. The following shows an explosion this morning seen from Kagoshima:
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Wed, 28 Aug 2013, 08:54The volcano has entered an eruptive phase with frequent explosions, which over the past 2 days produced several ash plumes rising as high as 12,000 ft (3.6 km) altitude.
Wed, 28 Aug 2013, 08:52
Activity has been low over the past days with little changes overall. The volcano continues to produce important degassing and has occasional small explosions. Glow at the summit can be seen when the weather is clear, indicating that lava continues to slowly extrude in the crater.
Wed, 28 Aug 2013, 08:52Another ash plume was spotted earlier today reaching 10,000 ft and suggesting that the volcano has stepped up its activity recently.
Wed, 28 Aug 2013, 06:00
AVO reported that during 27-29 August seismicity at Veniaminof was characterized by discreet episodic tremor bursts, likely associated with lava effusion and minor ash emissions. Satellite images detected prominent thermal anomalies at the intracaldera cone. Activity increased on 30 August and was some of the strongest detected since the eruption began in early June; intense seismicity, lava fountaining, and ash emissions to 4.6-6.1 km (15,000-20,000 ft) a.s.l. were observed.
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Wed, 28 Aug 2013, 06:00Based on visual observations and analyses of satellite data, KVERT reported that during 23-30 August a viscous lava flow effused onto the N and NW flanks of Shiveluch's lava dome, accompanied by hot avalanches, incandescence, and fumarolic activity. A thermal anomaly was detected daily in satellite images. The Aviation Color Code remained at Orange.
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Wed, 28 Aug 2013, 06:00
Based on observations of satellite imagery and wind data analyses, the Darwin VAAC reported that on 29 August ash plumes from Rabaul caldera's Tavurvur cone rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted almost 40 km NW.
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Wed, 28 Aug 2013, 06:00CENAPRED reported that during 28 August-3 September seismicity at Popocatépetl indicated continuing emissions; cloud cover sometimes prevented observations of the crater. Incandescence from the crater was observed on most nights. On 28 August gas, steam, and ash plumes rose 200-800 m and drifted SW.
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Wed, 28 Aug 2013, 06:00
RVO reported that Manam's Southern Crater was quiet during 16-17 August. Occasional light-gray emissions observed during 18-20, 22-23, and 25 August rose 100 m above the crater and drifted NW. Incandescence from the crater was seen during 18-19 and 21-26 August, and incandescent fragments were ejected during 21-25 August.
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Wed, 28 Aug 2013, 06:00KVERT reported that during 23-30 August moderate seismic activity continued at Kizimen. Video and satellite data showed that lava continued to extrude from the summit, producing incandescence, strong gas-and-steam activity, and hot avalanches on the W and E flanks. A thermal anomaly was detected daily in satellite images.
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Wed, 28 Aug 2013, 06:00
During 28 August-2 September HVO reported that the circulating lava lake occasionally rose and fell in the deep pit within Kilauea's Halema'uma'u Crater; the lake level was 45-52 m below the Halema'uma'u crater floor during 30-31 August and 2-3 September. The plume from the vent continued to deposit variable amounts of ash, spatter, and Pele's hair onto nearby areas.
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Wed, 28 Aug 2013, 06:00SVERT reported that a possible thermal anomaly over Ketoi's Pallas Peak was detected in satellite images on 26 August and 1 September. The Aviation Color Code remained at Yellow.
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Wed, 28 Aug 2013, 06:00
KVERT reported that moderate seismic activity at Karymsky was detected during 23-30 August. Based on seismic interpretation, possible ash plumes rose to an altitude of 3.5 km (11,500 ft) a.s.l. Satellite imagery showed a weak thermal anomaly on the volcano during 26-27 August.
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Wed, 28 Aug 2013, 06:00INSIVUMEH reported that during 28-31 August explosions from Fuego generated ash plumes that rose 450-550 m and drifted 8-10 km W and NW. During 28-29 August incandescent material was ejected 150 m high, and white plumes rose 350 m and drifted NW. During 30-31 August rumbling was heard 15 km away.
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Wed, 28 Aug 2013, 06:00
SVERT reported that a thermal anomaly from Snow, a volcano of Chirpoi, was detected in satellite images on 1 September. The Aviation Color Code remained at Yellow.
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Wed, 28 Aug 2013, 06:00SVERT reported that a thermal anomaly from Chirinkotan was detected in satellite images on 1 September. The Aviation Color Code remained at Yellow.
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