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5th October 2015 15:13
Link to Post #141
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
The eruption cycle continued through the night:
It was starting to subside close to 0900 am local time.
CotoPaxi, further north by 100KM was showing signs of increasing slow wave harmonic tremor, but was not spiking with events at this time.
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7th October 2015 15:54
Link to Post #142
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Tungurahua lit up once again, starting about 1918 local time with a small explosive event, followed by numerous spikey events, just prior to 2000 local time. Within an hour at least a continual hour's worth of strong spikes were continually happening.. leading to a two hour continually spikey eruption event.
Just after midnite local time, strong continual eruption occurred.
And that continued until about 0830 local time, at which time the activity abruptly stopped, then diminished to varied amplitude "explosions" about every 18 minutes (the cyclic refill rate apparently).
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8th October 2015 17:58
Link to Post #143
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
The explosive events were getting quite strong between 1100 and 1300 local time, and quite frequently occurring. There was no eruption signature present though during the explosive events.
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9th October 2015 09:33
Link to Post #144
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
The previous cyclic explosive burst pattern was noted, and then eruptive activity followed:
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10th October 2015 19:56
Link to Post #145
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Eruptive and cyclic periods of explosive events are continuing on Tungurahua volcano in Ecuador.
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12th October 2015 01:41
Link to Post #146
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Preceded by an explosive event, about 1340 a strong eruptive pattern started. It continued until about 1930, but shortly thereafter a large explosion followed by seismic tremor occurred.
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14th October 2015 11:23
Link to Post #147
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Tungurahua continues to have periods where a strong "explosion"happens with strong periods of spiking activity..
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15th October 2015 15:37
Link to Post #148
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Strong explosions and a surprised earthquake felt through a lot of Ecuador -
It can be seen in the seismographic near 0517 local
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18th October 2015 15:04
Link to Post #149
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Eruption activity last nite - strong continual 14 hour event:
Last edited by Bob; 18th October 2015 at 15:12.
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20th October 2015 14:20
Link to Post #150
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Large explosions and periods of eruptive activity once again from the Volcano, with a lot of instability appearing:
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22nd October 2015 14:46
Link to Post #151
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
I'm posting this seismic chart to point out particularly interesting "explosive events" coming from Tungurahua volcano.
Note just after about 0400 particularly strong graphic images, "pulses". These pulses (I count 6 of them), are defining part of the acoustic structure, PLUS part of the magma plumbing system of the volcano. Like hearing the "echo's" in a classic small town church, where every whisper resounds and reverberates, if one analyses the data, one can back reconstruct what's the inside structure..
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24th October 2015 17:23
Link to Post #152
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
The pulses diminished - with an exception of a large explosive event about 2230 local last nite. The cyclic activity of the volcano is showing up, with the magma plumbing diverting energy elsewhere for the rest of the evening. Early morning hours were marked with small explosive events offset by a few hours. During the daytime hours this morning, explosions resumed to about a 1 hour period in-between.
Cotopaxi north towards Quito (current seismic shown below), remains quiet with an occasional strong explosive event (which was noted to track the magmatic plumbing channels at Tungurahua)
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28th October 2015 21:55
Link to Post #153
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Tungurahua also lit up today with eruption activity :
1530 - 1630 local time activity at Tungurahua was continuing. CotoPaxi further north by about 100 km had also an eruption, but it started earlier, shortly before noon, and continued every hour till about 1515 local time.
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29th October 2015 01:44
Link to Post #154
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Eruptive activity that started at about 1530 today is continuing -
CotoPaxi is quiet at the moment.
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31st October 2015 03:10
Link to Post #155
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
and again, Tungurahua erupted - starting this evening.. about 1945 local
(CotoPaxi, about 120 km north, was only pulsing with small explosions. Earlier in the day it had a strong period of spiky fracturing activity.)
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1st November 2015 17:55
Link to Post #156
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
after rumbling, erupting through the late nite, for about 3 hours, the early morning was punctuated with a regional earthquake picked up on the Tunguhura and Cotopaxi seismic event recorders..
(see about 1030 am local)
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3rd November 2015 02:26
Link to Post #157
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Eruption activity timing seems to be corresponding to the particle influx from the coronal hole (see solar coronal hole geometry thread).
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3rd November 2015 16:39
Link to Post #158
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
Continuing eruption activity today - the specific type of modulation on the seismic signal is VERY high frequency, mushing the data together.. (odd)
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5th November 2015 04:34
Link to Post #159
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
another eruption at Tungurahua, plus a large seismic event at about 2315 local time. The seismograph VC1 at CotoPaxi (other thread) shows this clearly..
Earth is still in the midst of a strong solar particle storm from the last geometrical coronal hole.
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7th November 2015 03:48
Link to Post #160
Re: Ecuador - orange alert issued in areas of influence of Tungurahua volcano
eruption activity once again, starting about 1930 local time
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