June 05 , 2016. EN. Tungurahua , Santiaguito , Kilauea , Bromo .

Home / blog georges Vitton / June 05 , 2016. EN. Tungurahua , Santiaguito , Kilauea , Bromo .

June 05 , 2016. EN. Tungurahua , Santiaguito , Kilauea , Bromo .

June 05 ,  2016.



Tungurahua , Ecuador :

The technicians of the Institute of Geophysics (IG) have warned of a possible reactivation of the Tungurahua volcano in the coming weeks. The volcanic activity is low at present, but they warned against new magma movements. Between 1 and 20 May 2016, a small swarm of earthquakes long period type (LP) was recorded. These swarms are common in periods of quiescence and are associated with fluid movements within the volcanic edifice. Over the past two months, visual observation conditions were variable. The surface activity when the volcano was clear, was characterized by low intensity fumaroles and an absence of ash emissions, this from the end of statements of the last eruption on 15 March this year.


Based on the monitoring results and the recent history of the reactivation of the Tungurahua, two eruptive scenarios that could occur in the medium term (next weeks to months) are offered:
-a gradual recovery with small to moderate explosions, lava fountains and continuous emission of ash columns up to 6 km above the crater.
This could be also a quick recovery with a rapid opening of the conduit with moderate to large explosions. This scenario could be an eruption column large (up to 10 km above the crater) and pyroclastic flows that could descend the gorge to reach the foot of the volcano. From the viewpoint of Ambato it was not possible to observe the mountain because it is covered by clouds, due to frequent rains.

The surface activity when the volcano is clear, is characterized by low fumerolienne activity and the absence of ash emissions.


Photo : José Luis Espinosa Naranjo  ( 06.08.2014 )


Santiaguito , Guatemala :

Volcanological Special Bulletin.
Guatemala June 4, 2016, 3:50 p.m.

The constant rain in the volcanic area, generated a moderate lahar, hot, in the bed of the river Nima I, with the possibility of a sharp increase in the next few minutes. With a strong smell of sulfur, blocks of 50 cm to one meter, trunks and branches of trees and abundant volcanic material pasty.
This is the first moderate lahar.


Recall :
The intense eruptive activity that took over this year, maintained a wealth of material accumulated in the arms of the river Cabello De Angel  , a tributary of the river Nima I.
These events will continue to be produced in the days and months, so you should take precautions, mainly on the bridge Castillo Armas.
Therefore, the INSIVUMEH recommends:
Take the necessary precautions, because the constant rain can generate other lahars in other rivers of the Santiaguito volcano and Fuego volcano .
At the Road Directorate:
Take the precautions they deem necessary as rains continue at the top of volcanos generate lahars mainly afternoon and evening, with the possibility of flooding and damage to road infrastructure.

Source : Insivumeh

Photo : Santiaguito Volcan



Kilauea , Hawai :

9°25’16 » N 155°17’13 » W,
Summit Elevation 4091 ft (1247 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE

Activity Summary:
Kilauea Volcano continues to erupt at its summit and East Rift Zone. Minor inflationary tilt at the summit was accompanied by a modest rise in the lava level height to 31 m (102 ft) below the rim of the Overlook crater. Two new flows from Pu’u ‘O’o that began on May 24 are still active, but have advanced minimally in the past week. Scattered activity is still occurring on the June 27th lava flow field. All flows are within about 5.4 km (3.4 mi) of Pu’u ‘O’o and none currently pose a threat to nearby communities.



Summit Observations:
Minor inflationary tilt continued following yesterday’s DI event and the level of the lava lake within the Halema’uma’u Overlook crater rose slightly to 31 m (102 ft) below the Overlook crater rim. Rates of seismicity are at background levels, with episodes of tremor associated with changes in the vigor of spattering within the Overlook vent. Sulfur dioxide emissions from the summit vent ranged from 4,100 to 8,000 metric tons/day when measurements were possible during good trade wind conditions over the past two weeks. Data from GPS networks and InSAR (satellite radar) show continued long-term inflation of the summit and upper Southwest Rift Zone magma reservoirs.


Pu’u ‘O’o Observations:
Lava flow breakouts from the north and east flanks of Pu’u ‘O’o, which began on May 24, are still active. Neither has advanced significantly in the past week and are primarily resurfacing areas they had already covered. Both are within 1.3 km (0.8 mi) of their respective vents on the flanks of Pu’u ‘O’o. No significant tilt was recorded by nearby tiltmeters over the past day and seismicity is at background levels throughout the East Rift Zone. For recent photographs and maps of these two new active flows, see web links below. The sulfur dioxide emission rate from all East Rift Zone vents was about 410 metric tons/day when last measured on June 1.

June 27th Lava Flow Observations:
Scattered breakouts continue to occur on the June 27th flow field. This is in addition to the two new breakouts on Pu’u ‘O’o’s flanks. The most recent aerial observations indicate that the active breakouts are within about 5.4 km (3.4 mi) northeast of Pu’u ‘O’o. The flows are not currently threatening any nearby communities.


Source : HVO

Photos : Tom Kualii , Bruce Omori .


Bromo , Tengger Caldeira , Indonesia :

7.942°S, 112.95°E
Elevation 2329 m

Based on satellite images, wind data, and information from PVMBG, the Darwin VAAC reported that during 28-31 May ash plumes from Tengger Caldera’s Bromo cone rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted as far as 55 km NW, SW, S, and NNE.



On the other hand, our friend Oystein Lund Andersen reported that on 04/06 , the eruption continues with rockfall within the crater and ash venting.

Source: Centre d’avis de cendres volcaniques Darwin (VAAC) , GVP.

Photo : Oystein Lund Andersen

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