On this page : Fogo (Cabo Verde), Bardarbunga (Iceland), Kilauea (Hawaii), Stromboli (Sicily), Aso (Japan), Popocatepetl (Mexico), Reventador (Ecuador), Chiles and Cerro Negro (Colombia), Erebus (Antarctica), Pavlof (Alaska), Sinabung (Indonesia), Mayon (Philippines), Tokashidake (Japan)
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This report is compiled out of many information sources.
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Etna; Sicily – January 31, 21:12 UTC (Armand
— CultureVolcan (@CultureVolcan) January 31, 2015
Bardarbunga, Iceland – January 31, 10:30 UTC (Armand)
@NASA_Landsat 8 night view of Holuhraun eruption shows where the lava is flowing. The vent was covered by plume
Volcano activity of the world (last 7 days) – January 29, 17:43 UTC (Armand)
Bulletin collected and published by the Smithsonian Institute
Colima | Mexico
Based on news articles, an explosion at 0713 on 21 January generated an ash plume that rose 4 km and drifted E. Ashfall was reported in Huescalpa (25 km NE), Tuxpan (25 km ENE), Zapotiltic (23 km NE), Vista Hermosa, Atenquique (20 km E), and Mazamitla (78 km NE). On 23 January authorities restricted access to the Parque Nacional Nevado de Colima citing increased activity during the previous days. The next day an ash plume rose 500 m and was followed by another ash plume that rose 700 m. Two ash plumes on 26 January rose as high as 1 km.
In a 24 January bulletin, the Unidad Estatal de Protección Civil reported that Colima remained active, although there was a slight decrease in the number and size of lava-block avalanches. Lava flows were active on the W and WNW flanks, and explosive activity was low to moderate. The recent explosions had partially destroyed the lava dome. Residents were warned not go within 5 km of the volcano.
Hunga Tonga-Hunga Ha’apai | Tonga Islands
According to a news article from 26 January, the newly-formed island at Hunga Tonga-Hunga Ha’apai was about 120 m high, 1.5 km wide (N-S), and 2 km long (W-E). The island was an estimated 1 km in diameter with a crater that was 400-500 m in diameter. It had joined Hunga Ha’apai to the W and was 150-200 m short of joining Hunga Tonga to the N. The article noted that the eruption had decreased during the previous week; there were no longer emissions rising from the vent.
Karymsky | Eastern Kamchatka (Russia)
KVERT reported that during 16-23 January a moderate eruption at Karymsky continued. Satellite images showed a thermal anomaly over the volcano during 18-22 January, and ash plumes that drifted 65 km E at an altitude of 5 km (16,400 ft) a.s.l. during 19-22 January.
Klyuchevskoy | Central Kamchatka (Russia)
KVERT reported that during 16-23 January a Strombolian and Vulcanian eruption at Klyuchevskoy continued. A lava flow effused onto the SE flank. Incandescence at the summit was visible and bombs were ejected 200-300 m above the crater. Explosions generated ash plumes that rose to altitudes of 6-7 km (19,700-23,000 ft) a.s.l.; ashfall was reported in Klyuchi Village (30 km NNE) on 21 January. Satellite images showed a daily, big, bright thermal anomaly over the volcano, and ash plumes drifting 210 km SW, NW, and NE at altitudes of 5-6 km (16,400-19,700 ft) a.s.l. The Aviation Color Code remained at Orange.
San Miguel | El Salvador
SNET reported that at 0643 on 26 January a small explosion at San Miguel generated a plume that rose 300 m and quickly dissipated to the W. Local residents reported hearing rumbling and feeling tremor during the explosion. Minor ashfall was reported SW of the crater.
Sangay | Ecuador
Based on a pilot observation, the Washington VAAC reported that on 25 January an ash plume from Sangay rose to an altitude of 7.3 km (24,000 ft) a.s.l. Weather clouds prevented satellite image confirmation of the plume, although a thermal anomaly was detected which continued through the next day.
Soputan | Sulawesi (Indonesia)
Based on analyses of satellite imagery and wind data, the Darwin VAAC reported that on 21 January an ash plume from Soputan rose to an altitude of 3.7 km (12,000 ft) a.s.l. and drifted over 35 km SW.
Bardarbunga, Iceland – January 29, 16:24 UTC (Armand)
New map of the Holuhraun magma fields. Layer after layer have created a thickness until 40 meter
Sabancaya, Peru – January 28, 12:45 UTC (Janine)
VT seismicity associated with rock fracturing continues with an average of 122 events per day, located 14 km NNE of the crater. Some events have been felt by nearby residents. The occurrence of hybrid earthquakes associated with the presence of magmatic material has increased in the past three days. Tremor events have increased in number and in power over the past three days and LP events associated with fluid movement have decreased. Fumerolic emissions are intermittent with a decrease in emission height. No thermal anomalies have been detected by satellite monitoring. These events are interpreted to be a result of the disturbance of the hydrothermal system by magmatic intrusion.
Fogo, Cape Verde – January 28, 12:25 UTC (Janine)
Activity continues two months after the eruption commenced with an active lava flow front moving an average of 1.5 m per hour, progressing ~15 m in the past 12 hours. The Uni-CV team believes the flow may be moving through lava tunnels, with the front now 1500 m from the vent. Activity at the vent continues with degassing and explosions.
Nevado del Ruiz, Colombia – January 28, 12:00 UTC (Janine)
The Servicio Geológico Colombiano’s (SGC) Observatorio Vulcanológico and Sismológico de Manizales reports the continuation of VT seismic activity associated with rock fracturing within the volcano, occurring mainly to the north, northeast, southeast, and near the Arenas crater at depths between 1.0-9.0 km. Seismic activity associated with fluid dynamics in the conduit and gas (including water vapor and sulfur dioxide) and ash emission is also being recorded. An ash column reached 1500 m above the crater, mainly white but with some grey indicating the presence of ash.
Shiveluch, Kamchatka – January 28, 01:10 UTC (Janine)
KVERT reports that a thermal anomaly remains over the active dome accompanying incandescence, fumerolic activity, and moderate ash explosions.
Klyuchevskoy, Kamchatka – January 28, 01:10 UTC (Janine)
KVERT reports the continuation of strombolian and vulcanian activity producing ash and incandescence at the summit.
Chaparrastique/San Miguel, El Salvador – January 27, 20:40 UTC (Janine)
MARN reports a small explosion yesterday ay 6:43 am local time. The presence of ash in local areas was confirmed by volcanologists and the below photo was taken showing gas emission from the crater.
Shiveluch, Kamchatka – January 26, 20:40 UTC (Janine)
Volkstat.ru reports an eruption at Shiveluch today at 18:25 local time producing an ash column to 8 km and lightening as seen in the black and white infrared images below. The eruption is due to the explosive dome growth and collapse that is ongoing at Shiveluch.
Hunga Tonga-Hunga Ha’apai, Tonga – January 26, 13:45 UTC (Janine)
Tonga’s news website Matangi reports that there is currently no sign of activity. The islands dimensions are 120 m high, 1.5 by 2.0 km in size, with crater diameter estimated to be 400 – 500 m. They have released the following images of the new crater, taken on 24 January.
The following image shows the growth of the island from 2 July 2014 to 19 January 2015, courtesy of Airbus Defence and Space.
Nishinoshima, Japan – January 26, 13:30 UTC (Janine)
Nishinoshima continues to add to the young island off the Coast of Japan. The following photos and video have been released by the Japan Coast Guard Hydrographic and Oceanographic Department on January 21.
Klyuchevskoy, Kamchatka – January 26, 13:00 UTC (Janine)
KVERT reports the continuing strombolian and vulcanian activity at Klyuchevskoy with observed incandescence and ash explosions. Satellite data shows a bright thermal anomaly at the summit. The below photos are of activity on 25 January.
Sakurajima, Japan – January 24, 16:00 UTC (Janine)
A video has been released of an explosion at Sakurajima ejecting incandescent material and an ash plume to 4000 m.
Shishaldin, Alaska – January 24, 14:15 UTC (Janine)
The Alaska Volcano Observatory (AVO) has released a weekly update for Shishaldin reporting low level activity that has increased over the past 2 days. Satellite images show strongly elevated temperatures that are consistent with lava in the crater. Seismicity is slightly above background levels and small explosions at the crater have been indicated by ground-coupled air waves. This activity is consistent with the observations over the past months that has included lava effusion and small volumes of ash that deposit onto the volcano.
Karymsky, Kamchatka – January 24, 14:10 UTC (Janine)
KVERT has reported moderate seismic activity and a thermal anomaly at the summit as seen in satellite data. NASA Earth Observatory released the following image that was acquired on 18 January. Visible in the image is a steam plume coming from the vent, and ashfall deposits to the southeast.
Kilauea, Hawaii – January 23, 12:35 UTC (Janine)
The Hawaii County Civil Defense reports that the original flow front remains stalled. The northern breakout is widening but showing little advancement since yesterday. Two other breakouts along the northern side show little activity and no visible advancement, as well as a number of breakouts along both flow margins and within the flow. There is no current threat to communities.
Shishaldin, Alaska, USA – January 23, 12:30 UTC (Janine)
The Alaska Volcano Observatory (AVO) reports ‘strongly elevated’ temperatures at the summit seen in satellite images acquired last night. This is possibly indicating lava in the crater. Light ash fall was seen on the upper snowy flanks through the webcam.
FYI - January 22, 15:29 UTC (Armand)
We have archived a big chunk of this article. See link at the bottom of this page
Sabancaya, Peru – January 22, 13:00 UTC (Janine)
The Geophysical Institute of Peru (IGP) Southern Volcano Observatory (OVS) reports a disturbance in hydrothermal systems due to minor magmatic intrusion under Sabancaya volcano. The intrusion is generating seismic activity. Activity may increase over the next few days but no violent explosive activity is expected unless the situation changes. The increase in seismic activity has resulted in some earthquakes felt by nearby residents of Maca and Pinchollo.
Bardarbunga, Iceland - January 22, 12:25 UTC (Janine)
A surveillance flight with the Icelandic Coast Guard was taken yesterday to assess the volcano. The Icelandic Met Office released the photo below showing the southern end of the rampart with the active lava lake and gas emissions. Results of this flight are pending. The Institute of Earth Sciences processed the NASA EO-1 satellite image below showing the flow field topography with enhanced active areas. The field is now 84.7 km² in size.
Colima, Mexico - January 21, 16:25 UTC (Janine)
An explosion occurred at 9:13 am (local time) this morning and was recorded on the webcam:
— Janine Krippner (@janinekrippner) January 21, 2015
Fogo, Cabo Verde - January 21, 16:10 UTC (Janine)
Fogo news reports that activity has intensified, with strong explosions producing incandescent pyroclastic material, gas, and ash plumes that reach 300 m. The Uni-CV team thinks that Fogo is now in the declining phase of the eruption, which has now been ongoing for 2 months.
Kilauea, Hawaii – January 21, 12:50 UTC (Janine)
USGS has released an updated lava flow map for the June 27 flow. The Hawaii Civil Defense described a sluggish, disorganized flow, with the northern breakout only advancing 15 yards since yesterday, still 0.4 miles from Highway 130. The vigorous breakout shown in yesterday’s video (see below) has slowed down.
Chiles and Cerro Negro, Ecuador/Colombia – January 21, 12:40 UTC (Janine)
Servicio Geológico Colombiano’s (SGC) Observatorio Vulcanológico and Sismológico de Pasto reports a gradual increase in seismic activity in occurrance and energy. There is a possible magma intrusion at depth but there is no change in surface activity recorded.
Cerro Machin, Colombia – January 21, 12:35 UTC (Janine)
Servicio Geológico Colombiano’s (SGC) Observatorio Vulcanológico and Sismológico de Manizales reports continued elevated seismic activity the the southeast of the main dome at depths of 2-10 km. The activity is of volcano-tectonic nature, associated with the fracturing of rock. No other monitoring parameters show any major changes.
Kilauea, Hawaii – January 20, 13:15 UTC (Janine)
Footage of a breakout on the June 27 lava flow was captured on 19 January. The breakout is occurring 1-1.5 miles from the flow front that remains stalled.
Fuego, Guatemala – January 20, 13:10 UTC (Janine)
INSIVUMEH have been recording 4-5 explosions per hour among weak, moderate, and strong plumes reaching an average altitude of 4,300 to 4,700 m and dispersing between 10 to 12 km to the west. Some homes near the volcano are feeling the shock waves produced by explosions. Weak avalanches continue down to the vegetation line.
Aso, Japan – January 20, 13:00 UTC (Janine)
Strombolian activity continues and is visible on the Kyoto University webcam. You can see incandescent material being thrown from the vent as gas bubbles burst at the surface.
Bardarbunga, Iceland - January 19, 13:40 UTC (Janine @janinekrippner)
The Institute of Earth Sciences has released an image of the lava field, enhanced to display the active areas of the flow. The field is now 84.6 km².
Shiveluch, Klyuchevskoy, Karymsky, and Zhupanovsky, Kamchatka – January 19, 11:15 UTC (Janine)
The below NASA Rapid Response Terra/MODIS image acquired today shows fresh deposits on the four volcanoes. Tokyo VAAC has issued ash advisories for all four.
Hunga Tonga-Hunga Ha’apai, Tonga – January 18, 15:20 UTC (Janine)
New Zealand volcanologists are investigating the ongoing eruption. The video shows white steam plumes and dark grey jets that are a result of the lava coming into contact with sea water, depositing wet, heavy ash around the vent.
See video here
Sinabung, Indonesia – January 18, 14:55 UTC (Janine)
The Indonesian National Agency for Disaster Management reports continued high levels of activity at Sinabung. The Darwin VAAC has issued a volcanic ash advisory. High seismic activity includes low-frequency events and constant tremor, and incandescent lava can be seen at the summit. 2,443 people continue to be displaced after leaving their homes in September 2013.
Soputan, Indonesia - January 18, 14:45 UTC (Janine)
The Darwin VAAC has released a volcanic ash advisory for a 4000 m ash plume. The Indonesian National Agency for Disaster Management reports thick white emissions up to 600 m above the crater, and strombolian eruption heights of 500 m above the crater scattering incandescent material around the vent. Seismic activity is very high. Soputan is on Alert level 3 and it is recommended that people stay further than 6.5 km away from the summit.
Shiveluch, Kamchatka – January 18, 14:30 UTC (Janine)
KVERT reports an eruption at Shiveluch producing an ash plume up to 5000 m (16,400 ft), moving to the southeast.
Aso, Japan – January 17, 14:30 UTC (Janine)
The NASA Earth Observatory has released an OLI Satellite image of an ash plume from Aso volcano, acquired on 13 January.
Bardarbunga, Iceland - January 17, 14:11 UTC (Janine)
Yesterday’s scientific advisory board reported a current rate of lava effusion of 50-70 m³ per second. Seismic activity continues to be strong, although is weaker than the first few months of the eruption. High sulfur dioxide levels are still being recorded. The latest EO-1 ALI satellite image from the Icelandic Met Office with an up to date lava field outline is below.
Bardarbunga, Iceland – January 16, 10:50 UTC (Janine)
The Icelandic Met Office has released a new EO-1 ALI satellite image showing the current active areas of the lava field. The lava field is now 84.3 km².
Kilauea, Hawaii – January 16, 00:50 UTC (Janine)
A breakout on the June 27 lava flow, 700 m (765 yards) upslope from the current flow front, is situated to become the new flow front. The breakout has been advancing at a rate ~180 m (200 yards) per day over the past 48 hours and is now ~965 m (0.6 miles) from Highway 130, is currently west of the police and fire stations. The two breakouts 1.6-2.4 km (1-1.5 miles) upslope remain active along the path of steepest descent that leads to Highway 130, moving at a slower rate of ~46 m (50 yards) per day. Bush fires are burning an area about 10 acres in size. Heavy vog (volcanic fog) and smoke are present in the lower Puna area and throughout Hilo.
Dukono, Indonesia – January 16, 00:30 UTC (Janine)
The Darwin VAAC has released (another) ash advisory. Explosive activity continues.
OLDER ARCHIVED PARTS OF THIS REPORT :
2013 : July 8 – July 31
2013 : June 24 – July 7
2013 : June 8 – June 23
2013 : May 26 – June 7
2013 : June 8 – August 20
2013 : August 21 – October 27
2013 : October 28 – December 12
2013 : December 13 – January 30
2014 : February 1 – May 20
2014 : May 21 – August 20
2014 : August 21 – August 28 (Bardarbunga volcano Iceland)
2014 : August 29 – September 4 (Bardarbunga and Tavurvur)
2014 : September 5 – September 18 (Bardarbunga and Mayon)
2014 : September 19 – October 6 (Bardarbunga, Mayon, Long Valley and Ontakesan deadly eruption)
2014 : October 7 – November 4 (Bardarbunga, Kilauea, Chiles, Sinabung)
2014 : November 5 – November 22 (Bardarbunga, Long Valley, Colima, Pavlov, Kilauea, etc)
2014 : November 23 – November 28 (Fogo, Aso, Bardarbunga, etc)
2014 : November 29 – December 4 (Fogo, Bardarbunga, Kilauea, etc)
2014 : December 5 – December 13 (too many to describe)
2015 : December 14 – January 15 (too many to describe)