[Geysers] Beehive activity in recent weeks

Mon Mar 26 18:11:34 PDT 2007

Sorry, forgot to post this capture, as the rest of the folks on the 
listserve always beat me to this sort of thing.  This is from the 
afternoon of 3/22.
Karen

Ralph Taylor wrote:

> I have recently received the geyser temperature data for the March 
> downloads, covering the period of 1 February to 21 March.  In 
> analyzing Beehive, I noted a long period of inactivity in February 
> and, when eruptions again appeared regularly in March, intervals 
> around 48 hours.  I keep a watch on the geyser list for Beehive 
> reports, both from the webcam and geyser reports; none of the reported 
> eruptions failed to appear in the temperature record.  I have posted 
> the graphs and a list of the known eruptions on the GOSA website, 
> along with the following paragraph:
>  
> This year the record for Beehive is ambiguous for February 2007; there 
> are few eruptions evident from the temperature record, but the 
> recorded temperatures are well above freezing so the sensor did not 
> appear to be covered in ice.  Up to mid-January Beehive eruptions 
> occurred once or twice per day.  From 18 January to 1 February 
> eruptions appear in the temperature record at intervals of one to 
> three days, and the temperature trace indicates that runoff water was 
> flowing over the sensor--temperatures show diurnal variations and are 
> between 10 and 20 degrees C (well above freezing).  No eruptions were 
> apparent between 22 January and 25 January, on 26 January, or 31 
> January.  In February there are two eruptions on 1 February, then none 
> until 24 February, with one possible eruption on 19 February at about 
> 11:30.  Definite eruptions occurred on 24 and 27 February and on 2 
> March and 7 March.  Regularly spaced eruptions appear starting on 12 
> March at two-day intervals up to the end of the data on 21 March.  
> Based on the appearance of the temperature record, I do not think 
> there was an instrumentation failure.  No reports of eruptions 
> appeared on the geyser email list in other than those mentioned.  The 
> vagaries of wind and possible ice dams make it impossible to rule out 
> eruptions, but it appears that Beehive has slowed substantially.
>  
> The eruptions that I can definitely identify from the temperature 
> record are:
>  
> Time and date        Interval
> 01/01/07 13:56:00,  21:32:00
> 01/02/07 11:36:00,  21:40:00
> 01/03/07 04:03:00,  16:27:00
> 01/03/07 22:24:00,  18:21:00
> 01/04/07 15:04:00,  16:40:00
> 01/05/07 15:05:00,  24:01:00
> 01/06/07 08:35:00,  17:30:00
> 01/07/07 22:36:00,  38:01:00
> 01/09/07 02:11:00,  27:35:00
> 01/09/07 18:52:00,  16:41:00
> 01/10/07 08:10:00,  13:18:00
> 01/10/07 21:54:00,  13:44:00
> 01/11/07 19:02:00,  21:08:00
> 01/12/07 18:22:00,  23:20:00
> 01/13/07 15:33:00,  21:11:00
> 01/14/07 06:00:00,  14:27:00
> 01/14/07 17:46:00,  11:46:00
> 01/15/07 12:30:00,  18:44:00
> 01/16/07 22:48:00,  34:18:00
> 01/18/07 05:09:00,  30:21:00
> 01/20/07 05:10:00,  48:01:00
> 01/21/07 21:22:00,  40:12:00
> 01/25/07 14:06:00,  88:44:00
> 01/27/07 04:27:00,  38:21:00
> 01/28/07 01:03:00,  20:36:00
> 01/29/07 05:23:00,  28:20:00
> 01/30/07 06:23:00,  25:00:00
> 02/01/07 02:20:00,  43:57:00
> 02/01/07 22:02:00,  19:42:00
> 02/24/07 08:02:00,  538:00:00
> 02/27/07 15:17:00,  79:15:00
> 03/02/07 07:49:00,  64:32:00
> 03/07/07 15:31:00,  127:42:00
> 03/12/07 15:33:00,  119:02:00
> 03/14/07 14:08:00,  46:35:00
> 03/16/07 17:52:00,  51:44:00
> 03/18/07 12:41:00,  42:49:00
> 03/20/07 12:00:00,  47:19:00
>  
> If anyone can shed some light on what is happening on that part of 
> Geyser Hill, especially if there are known eruptions that are not on 
> the list, please let me know!
>  
> Ralph Taylor
> ralpht at fuse.net <mailto:ralpht at fuse.net>   (note new email address)
>
>------------------------------------------------------------------------
>
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>  
>

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