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Posts Tagged ‘volcano update’

Cleveland and Kīlauea Remain at ORANGE Alert

Posted by feww on April 6, 2012

Explosion destroys dome in Cleveland summit crater

Sudden explosions of blocks and ash may occur, while the volcano remains active, with the ash clouds rising to above 20,000 feet above sea level, AVO said.

  • Elevation:  5,676 ft (1,730 m)
  • Location: 52.8222° N, 169.945° W
  • Quadrangle: Samalga


Mt Cleveland. Photo taken at 18:00 UTC on 11 Mar 2012 while transiting north through Samalga pass. Several small explosions were detected in days prior to the time of the photo, but very little ash is observed on the upper flanks.  Credit:  Matthew Davis/NOAA.

KILAUEA VOLCANO

19°25’16” N 155°17’13” W,
Summit Elevation 4091 ft (1,247 m)
Current Volcano Ale,rt Level: WATCH
Current Aviation Color Code: ORANGE

Activity Summary for past 24 hours:  The summit continued to inflate slowly while back-to-back DI events and sympathetic summit lava lake oscillations continued. Overnight, glow was visible within the Halema`uma`u gas plume and from sources within Pu`u `O`o crater. To the southeast, surface flows continued to be active on the pali and the coastal plain; there was no ocean entry. Seismic tremor levels were low; gas emissions were elevated: HVO


Kīlauea Volcano.  Active flows continued over a broad area on the coastal plain on April 5, 2012.  “This composite image combines a normal photograph and a thermal image to show the areas of active breakouts. Yellow areas are active flows while red areas are inactive, but still warm, flows. The flow front in the lower right was 1.6 km (1 mile) from the ocean,” HVO said.

Alert Level Increased for Iliamna Volcano, AK

Iliamna Activity – Color Code YELLOW Alert Level ADVISORY

Since January 2012 the earthquake rate at Iliamna Volcano has steadily increased and now exceeds normal background levels.


Iliamna Volcano. View from the SSE of Iliamna showing the prominent NE shoulder fumarole field near the summit. Note glacier disturbance (movement) on the east flank (upper Red Glacier).  Photo: Game McGimsey/AVO/USGS.

Pagan

Location: Mariana Islands  (18.13 ºN,  145.8 ºE)
Elevation: 570 m
Recent Eruption: 2006
Volcanic Alert Level: ADVISORY
Aviation Color Code: YELLOW

A gas and steam plume continued to extend downwind from the summit vent throughout the past week, but there were no further reports of unrest or activity at Pagan volcano, USGS said.

Other Volcanic Activity/ Unrest (Source: GVP)

New Activity/Unrest:

Ongoing Activity:

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