May 01, 2016. EN . Turrialba , Klyuchevskoy , Kilauea .

Home / blog georges Vitton / May 01, 2016. EN . Turrialba , Klyuchevskoy , Kilauea .

May 01, 2016. EN . Turrialba , Klyuchevskoy , Kilauea .



The tradition to offer lily of the valley between « good company » comes from the Renaissance, exactly from 1 May 1561, when Charles IX, young King of France received a strand of lily of the valley from Maisonforte Knight, who had gathered in his garden. The monarch decided to perpetuate this lovely gesture by offering each year thrush on the same date to the court ladies.
But it is the Celts who first attributed to the « lily of the valley«  a role of good luck charms.

Afficher l'image d'origine



Turrialba , Costa Rica :

4/30/2016, 5:10 am. The Turrialba volcano maintains a high level of seismic activity characterized by a continuous tremor that started from 16.00 yesterday, April 29 and was accompanied by strong production of steam and gas. In the beginning of the day April 30, it was able to verify the ash outlet by one of the active crater emission points, as seen in the images of the RSN cameras located on the top of volcano.




04/30/2016, 8:06 a.m :. 8:06. The Turrialba volcano ash emission continues continuously and passively. This process began at about 4:00 p.m. yesterday around 3 pm today, the first reports of ash fall on Santa Cruz de Turrialba were received. It was recorded, to date, about 5 hours of emission of ashes. All this time the behavior of the tremor, observable through the instruments does not show, for now, changes indicating a change in activity. In the photos of the RSN cameras, two emission points are observed, one which lets through the ashes and the other mainly of water vapor and gases. This is normal because they may have cavities that are not necessarily related and different geological conditions.



04/30/2016, 4:50 p.m.: At 4:50 p.m. it was observed that an outflow of light ash persists on the Turrialba volcano, as shown in the images of RSN cameras located on top of the volcano. The volcanic tremor gradually began to lose amplitude to 10:00 and this decline has increased to about 2:00 p.m..

Source : RSN , Dr. Mauricio M. Mora


Klyuchevskoy , Kamchatka :

56.06 N, 160.64 E;
Elevation 15580 ft (4750 m)
Aviation Color Code is ORANGE

Explosive-effusive eruption of the volcano continues. Ash explosions up to 19,700-26,240 ft (6-8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
Explosive-effusive eruption of the volcano continues. According to video and satellite data, the lava flow continues to effusing on the south-eastern flank of the volcano (along Apakhonchich chute). Satellite data by KVERT showed an intensive thermal anomaly over the volcano; an ash cloud drifted for about 500 km to the south-west of the volcano on April 23-24.



Posted on 04/30/2016,

In recent days, the activity of the eruption has decreased. Even on the night of April 28, emissions in the crater have been observed infrequently.
As of April 30, there was a night appearance. Light emission from the crater were observed. In the apical part, on the east side, there was a small lava flow. Sometimes the flow front was crumbling, and the red rocks tumbled down. The lava flow is not fixed.
Apparently the eruption ends …


Source : Kvert , Volkstat ru.

Photo : Yu Demyanchuk


Kilauea , Hawai :

19°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:
Eruptive activity continues at Kilauea Volcano’s summit and East Rift Zone. Seismicity and deformation rates throughout the volcano remain at background levels. Scattered lava flow activity continues on the June 27th lava flow field within about 5.7 km (3.5 mi) northeast of Pu’u ‘O’o . These flows currently pose no threat to nearby communities.



Summit Observations:
The lava lake within the Halema’uma’u Overlook crater remains active and was measured at 29.5 m (97 ft) below the crater rim on Friday, April 29, 2016. Tiltmeters at Kilauea’s summit have recorded deflationary tilt. Seismicity is within normal, background rates with tremor fluctuations associated with lava lake spattering. The summit sulfur dioxide emission rate averaged 4,900 metric tons/day on April 25.





Pu’u ‘O’o Observations:
Webcam images over the past 24 hours show persistent glow at long-term sources within the crater and from skylights in the lava tube on the northeast flank of the cone. Small pahoehoe ooze outs continue on the crater floor from the eastern vent within the crater. Seismic activity remains low at Pu’u ‘O’o. A tiltmeter on the cone recorded no significant change since yesterday when we noted the tilt was flat. The sulfur dioxide emission rate from all East Rift Zone vents was about 300 metric tons/day when last measured on April 20.



June 27th Lava Flow Observations:
Webcam images show continued surface flow activity on the June 27th flow field. The active flows are comprised of small breakouts scattered northeast of Pu’u ‘O’o, where they have been occurring for the past several months. This pattern is consistent with field observations on April 12, when the most distant breakouts were about 5.7 km (3.5 mi) northeast of Pu’u ‘O’o. The flows are not currently threatening any nearby communities.


Source : HVO

Photo : Bruce Omori

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