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Recent Geyser Activity
Interval Between Eruptions 
Most recent data collected 31 December 10
           
Compiled By Ralph Taylor
Activity for the most recent week with recorded activity
Geyser Start Date Last Update Intervals Min Mean Median Max Coef. Of Variation
Aurum 24-Dec-10 31-Dec-10 51 02:36 03:17 03:16 04:16 10.39%
Beehive 24-Dec-10 31-Dec-10 12 09:06 14:09 14:13 18:57 15.86%
Boardwalk                 Dormant - No eruptions since July 2006, no longer monitored
Depression 24-Dec-10 31-Dec-10 60 01:56 03:10 03:12 04:18 14.46%
Lion (series) 24-Dec-10 31-Dec-10 6 13:32 25:11 25:42 34:52 29.16%
Lion (eruptions/series) 24-Dec-10 31-Dec-10 6 2 5.83 6 10 52.47%
Little Cub 24-Dec-10 31-Dec-10 109 00:36 01:30 00:54 45:22 294.70%
Little Squirt 24-Dec-10 31-Dec-10 3 54:42 66:56 70:42 75:24 16.21%
North Goggles                 Last electronically recorded eruption 0838 on 08 September 2010
Plate 24-Dec-10 31-Dec-10 0 -- -- -- -- --
Plume 24-Dec-10 31-Dec-10 178 0:42 0:56 0:55 1:30 15.81%
                 
Artemisia 24-Dec-10 31-Dec-10 11 10:20 16:40 17:26 23:31 28.60% No data from 1 Jan 10 to 21 Jan 10 and 26 Jan 10 to 23 Mar 10 both due to logger failure
Baby Daisy                 Dormant - last eruption 09:50 on 8 December 2004
Castle (w/o minors) 24-Dec-10 31-Dec-10 6 13:09 13:52 13:47 14:59 4.49%
Castle (minor-major) 24-Dec-10 31-Dec-10 4 03:57 05:31 04:38 08:53 41.15%
Castle (1st post minor) 24-Dec-10 31-Dec-10 5 14:23 14:36 14:34 15:02 1.71%
Daisy 24-Dec-10 31-Dec-10 60 02:09 02:48 02:42 03:54 13.42%
Grand 24-Dec-10 31-Dec-10 20 06:08 08:25 08:35 10:03 11.74%
Grotto 24-Dec-10 31-Dec-10 -- -- -- -- -- -- Logger failed after 8 November download - no further data until June 2011
Grotto (dur>4h50m) 24-Dec-10 31-Dec-10 --           Logger failed after 8 November download - no further data until June 2011
Grotto (dur>12h00m) 24-Dec-10 31-Dec-10 --           Logger failed after 8 November download - no further data until June 2011
Oblong 24-Dec-10 31-Dec-10 36 02:25 04:42 04:18 17:36 54.69%
Old Faithful (all intervals) 1-Nov-10 8-Nov-10 110 00:53 01:32 01:33 01:52 11.02%
Old Faithful (Long) 1-Nov-10 8-Nov-10 101 01:19 01:34 01:34 01:52 7.06%
Old Faithful (Short) 1-Nov-10 8-Nov-10 9 00:53 01:06 01:07 01:14 11.24%
Pyramid 1-Sep-10 8-Sep-10 36 03:55 04:49 04:32 07:55 17.64% Logger removed for winter 8 September 2010
Rift 20-Sep-10 27-Sep-10 7 14:20 21:36 20:18 28:20 21.86% Last download of 2010 on 27 Sep; no further data until June 2011
Riverside 1-Nov-10 8-Nov-10 27 05:45 06:21 06:25 06:32 3.38%
Riverside (Long) 1-Nov-10 8-Nov-10 24 06:15 06:25 06:26 06:32 1.05%
Riverside (Short) 1-Nov-10 8-Nov-10 3 05:45 05:47 05:47 05:48 0.48%
West Triplet 20-Sep-10 27-Sep-10 23 02:46 07:16 07:46 11:58 41.67% Last download of 2010 on 27 Sep; no further data until June 2011
   
Mercury Geyser 31-Jul-10 7-Aug-10 58 00:31 02:28 01:24 15:20 110.56%
Spouter 21-Sep-10 28-Sep-10 46 02:33 03:44 03:28 05:47 22.45% Last download of 2010 on 28 Sep; no further data until June 2011
   
Fountain Geyser 24-Dec-10 31-Dec-10 27 04:53 06:21 06:03 08:31 14.77%
Great Fountain 14-Sep-10 21-Sep-10 14 09:36 12:04 12:09 13:53 10.43% Last download of 2010 on 21 Sep; no further data until June 2011
Logbridge Geyser 14-Sep-10 21-Sep-10 202 00:29 00:49 00:47 04:34 44.13%
Narcissus Geyser 14-Sep-10 21-Sep-10 53 01:32 03:13 03:05 04:59 27.69% Last download of 2010 on 21 Sep; no further data until June 2011
Pink Geyser 14-Sep-10 21-Sep-10 46 01:55 03:41 03:37 09:18 39.83% Last download of 2010 on 21 Sep; no further data until June 2011
   
Echinus                 Dormant
   
Hillside                 Dormant - last eruption 02:33 on 26 November 2005; no longer monitored
Occasional Geyser 29-Aug-10 5-Sep-10 207 00:27 00:48 00:48 01:09 15.74% Logger removed for winter 5 September 2010
Lone Pine 13-Sep-10 20-Sep-10 6 23:12 25:55 25:38 28:15 6.87% Last download of 2010 on 20 Sep; no further data until June 2011
Activity for the most recent month
Geyser Start Date Last Update Intervals Min Mean Median Max Coef. Of Variation
Aurum 1-Dec-10 31-Dec-10 220 02:36 03:23 03:22 04:16 9.38%
Beehive 1-Dec-10 31-Dec-10 50 09:06 14:59 14:24 33:41 21.59%
Boardwalk                 Dormant - No eruptions since July 2006, no longer monitored
Depression 1-Dec-10 31-Dec-10 235 01:56 03:10 03:10 05:30 14.26%
Lion (series) 1-Dec-10 31-Dec-10 29 13:32 25:48 26:14 41:42 26.41%
Lion (eruptions/series) 31-Dec-10 31-Dec-10 29 1 6.90 7 16 46.88%
Little Cub 1-Dec-10 31-Dec-10 500 00:32 01:33 00:42 68:08 335.73%
Little Squirt 1-Dec-10 31-Dec-10 11 54:00 64:51 61:12 80:30 14.19%
North Goggles                 Last electronically recorded eruption 0838 on 08 September 2010
Plate 1-Dec-10 31-Dec-10 0 -- -- -- -- --
Plume 1-Dec-10 31-Dec-10 732 00:42 01:00 01:00 01:45 14.29%
   
Artemisia 1-Dec-10 31-Dec-10 40 09:56 18:42 18:11 29:22 30.12% No data from 1 Jan 10 to 21 Jan 10 and 26 Jan 10 to 23 Mar 10 both due to logger failure
Baby Daisy                 Dormant - last eruption 09:50 on 8 December 2004; no longer monitored
Castle (w/o minors) 1-Dec-10 31-Dec-10 27 12:24 13:53 13:43 16:59 6.03%
Castle (minor-major) 1-Dec-10 31-Dec-10 20 03:49 06:05 05:14 11:48 35.80%
Castle (1st post minor) 1-Dec-10 31-Dec-10 17 14:02 14:40 14:34 15:51 2.86%
Daisy 1-Dec-10 31-Dec-10 254 02:09 02:55 02:50 09:11 18.60%
Grand 1-Dec-10 31-Dec-10 84 06:08 08:57 08:56 11:04 12.21%
Grotto 1-Dec-10 31-Dec-10 -- -- -- -- -- -- Logger failed after 8 November download - no further data until June 2011
Grotto (dur>4h50m) 1-Dec-10 31-Dec-10 --           Logger failed after 8 November download - no further data until June 2011
Grotto (dur>12h00m) 1-Dec-10 31-Dec-10 --           Logger failed after 8 November download - no further data until June 2011
Oblong 1-Dec-10 31-Dec-10 166 02:25 04:30 04:17 17:36 36.17%
Old Faithful (all intervals) 9-Oct-10 8-Nov-10 485 00:53 01:32 01:33 01:54 9.62%
Old Faithful (Long) 9-Oct-10 8-Nov-10 458 01:17 01:33 01:33 01:54 6.67%
Old Faithful (Short) 9-Oct-10 8-Nov-10 27 00:53 01:06 01:06 01:14 8.87%
Pyramid 9-Aug-10 8-Sep-10 155 03:38 04:48 04:36 07:55 13.84% Logger removed for winter 8 September 2010
Rift 28-Aug-10 27-Sep-10 37 11:20 20:13 20:32 28:20 16.94%
Riverside 8-Nov-10 8-Nov-10 117 05:27 06:22 06:27 06:36 3.72% Last download of 2010 on 27 Sep; no further data until June 2011
Riverside (Long) 8-Nov-10 8-Nov-10 105 06:10 06:26 06:27 06:36 1.27%
Riverside (Short) 8-Nov-10 8-Nov-10 12 05:27 05:43 05:44 06:03 2.74%
West Triplet 28-Aug-10 27-Sep-10 108 02:13 06:53 07:07 13:46 46.68%
      Last download of 2010 on 27 Sep; no further data until June 2011
Mercury Geyser 7-Jul-10 7-Aug-10 72 00:33 02:45 01:52 16:45 100.23%
Spouter 29-Aug-10 28-Sep-10 194 02:19 03:50 03:31 06:12 22.53%
    Last download of 2010 on 28 Sep; no further data until June 2011
Fountain Geyser 1-Dec-10 31-Dec-10 125 04:27 05:59 05:53 08:31 10.86%
Great Fountain 22-Aug-10 21-Sep-10 64 09:06 11:43 11:29 17:44 12.81%
Logbridge Geyser 22-Aug-10 21-Sep-10 826 00:25 00:54 00:44 12:29 102.93% Last download of 2010 on 21 Sep; no further data until June 2011
Narcissus Geyser 21-Aug-10 21-Sep-10 230 01:32 03:13 02:55 05:00 28.14%
Pink Geyser 22-Aug-10 21-Sep-10 210 01:38 03:34 03:26 09:18 39.17% Last download of 2010 on 21 Sep; no further data until June 2011
    Last download of 2010 on 21 Sep; no further data until June 2011
Echinus                 Dormant
   
Hillside                 Dormant - last eruption 02:33 on 26 November 2005; no longer monitored
Occasional Geyser 5-Sep-10 5-Sep-10 908 00:27 00:50 00:49 01:25 19.24% Logger removed for winter 5 September 2010
Lone Pine 21-Aug-10 20-Sep-10 29 18:00 26:15 25:46 35:03 13.75% Last download of 2010 on 20 Sep; no further data until June 2011
All electronically recorded activity for 2010
Geyser Start Date Last Update Intervals Min Mean Median Max Coef. Of Variation
Aurum 1-Jan-10 31-Dec-10 2064 02:22 04:14 03:34 15:52 41.48%
Beehive 1-Jan-10 31-Dec-10 502 07:36 17:27 15:06 106:50 49.34%
Boardwalk                 Dormant - No eruptions since July 2006, no longer monitored
Depression 1-Jan-10 31-Dec-10 3072 01:47 02:51 02:48 07:59 13.28%
Lion (series) 1-Jan-10 31-Dec-10 253 03:28 34:33 32:44 80:16 34.91%
Lion (eruptions/series) 1-Jan-10 31-Dec-10 253 1 9.89 10 22 46.11%
Little Cub 1-Jan-10 31-Dec-10 7156 00:30 00:58 00:42 120:58 268.14% Logger failed after February download - gap from 1157 13 Feb to 1154 27 Apr
Little Squirt 1-Jan-10 31-Dec-10 113 23:20 77:17 73:20 227:26 40.03% No April download
North Goggles               Last electronically recorded eruption 0838 on 08 September 2010
Plate 1-Jan-10 31-Dec-10 91 00:17 66:34 08:33 486:12 158.60% No data between 13 February and 23 March due to logger failure
Plume 1-Jan-10 31-Dec-10 8597 00:39 01:01 01:00 15:47 20.53%
   
Artemisia 21-Jan-10 31-Dec-10 273 09:56 18:51 18:32 36:31 24.57% No data from 1 Jan 10 to 21 Jan 10 and 26 Jan 10 to 23 Mar 10 both due to logger failure
Baby Daisy                 Dormant - last eruption 09:50 on 8 December 2004; no longer monitored
Castle (w/o minors) 1-Jan-10 31-Dec-10 332 11:12 13:55 13:48 20:01 5.71% Possibly missed some minor eruptions due to ice
Castle (minor-major) 1-Jan-10 31-Dec-10 204 01:56 06:50 05:56 21:39 45.48%
Castle (1st post minor) 1-Jan-10 31-Dec-10 177 12:28 14:57 14:52 17:42 25.58%
Daisy 1-Jan-10 31-Dec-10 3432 01:52 02:31 02:28 22:58 20.27%
Grand 1-Jan-10 31-Dec-10 955 06:04 09:08 09:14 13:02 13.04%
Grotto 1-Jan-10 31-Dec-10 840 00:26 08:52 06:30 50:45 90.71% Logger failed after 8 November download - no further data until June 2011
Grotto (dur>4h50m) 1-Jan-10 31-Dec-10 91           Logger failed after 8 November download - no further data until June 2011
Grotto (dur>12h00m) 1-Jan-10 31-Dec-10 60 23:22 118:41 93:11 322:59 63.19% Logger failed after 8 November download - no further data until June 2011
Oblong 1-Jan-10 31-Dec-10 1875 02:21 04:40 04:32 37:39 30.89% Possibly missed some eruptions due to ice
Old Faithful (all intervals) 1-Jan-10 8-Nov-10 4861 00:50 01:32 01:33 02:05 10.09%
Old Faithful (Long) 1-Jan-10 8-Nov-10 4573 01:15 01:33 01:33 02:05 6.91%
Old Faithful (Short) 1-Jan-10 8-Nov-10 288 00:50 01:05 01:06 01:14 8.32%
Pyramid 23-Jun-10 8-Sep-10 382 03:26 04:49 04:44 07:55 12.54% Logger removed for winter 8 September 2010
Rift 1-Jan-10 27-Sep-10 316 03:14 20:29 19:39 137:42 41.19% Last download of 2010 on 27 Sep; no further data until June 2011
Riverside 1-Jan-10 8-Nov-10 1189 04:58 06:17 06:25 06:47 4.82%
Riverside (Long) 1-Jan-10 8-Nov-10 924 06:05 06:26 06:26 06:47 1.54%
Riverside (Short) 1-Jan-10 8-Nov-10 265 04:58 05:45 05:45 06:03 2.12%
West Triplet 1-Jan-10 27-Sep-10 1056 00:44 06:07 05:38 32:40 52.78% Last download of 2010 on 27 Sep; no further data until June 2011
     
Mercury Geyser 1-Jan-10 7-Aug-10 72 00:33 02:45 01:52 16:45 100.23%
Spouter 1-Jan-10 28-Sep-10 1043 01:32 03:55 03:38 15:40 27.94% Last download of 2010 on 28 Sep; no further data until June 2011
   
Fountain Geyser 1-Jan-10 31-Dec-10 1477 04:25 05:55 05:53 09:36 8.47%
Great Fountain 1-Jan-10 21-Sep-10 537 03:45 11:31 11:15 21:43 13.13% Last download of 2010 on 21 Sep; no further data until June 2011
Logbridge Geyser 1-Jan-10 21-Sep-10 3570 00:21 00:58 00:43 12:29 96.22%
Narcissus Geyser 1-Jan-10 21-Sep-10 1992 01:17 03:10 02:58 06:29 26.85% Last download of 2010 on 21 Sep; no further data until June 2011
Pink Geyser 1-Jan-10 21-Sep-10 914 00:25 04:05 03:41 11:15 41.37% Last download of 2010 on 21 Sep; no further data until June 2011
   
Echinus                 Dormant
                 
Hillside                 Dormant - last eruption 02:33 on 26 November 2005; no longer monitored
Occasional Geyser 4-Jul-10 5-Sep-10 1689 00:25 00:53 00:52 01:33 22.01% Logger deployed on 4 July; logger removed for winter 5 September 2010
Lone Pine 1-Jan-10 20-Sep-10 220 18:00 28:39 26:28 87:00 27.86% Last download of 2010 on 20 Sep; no further data until June 2011