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Porkchop Geyser
Description
Porkchop's history is wilder than most. Dramatic behavioral changes have characterized Porkchop Geyser during the last decade. Once a small hot spring that occasionally erupted, silca began to seal the vent causing Porkchop Geyser to become a continuous spouter in the spring of 1985. The force of the spray caused a roar that could be heard at the museum over 660 yards (603m) away. Pressure built beneath the vent until, on September 5, 1989, Porkchop Geyser exploded. Rocks surrounding the old vent were upended and some were thrown more than 216 feet (66m) from the feature. Porkchop Geyser is now a gently rolling hot spring.
Feature Type
Geyser
Inventory ID
NBB206
Location
Latitude: 44.72212
Longitude: -110.7081
Survey Date: August 13, 1998
Geographic Area: Gibbon Canyon
Thermal Region: Norris Geyser Basin
Thermal Complex: Back Basin
Ranger District Contact: Norris District, Al Miller (307) 344-2501
Participants
Feature Data
| Data Source |
Supplied By |
Sample Date |
Temp |
Vent Temp |
pH |
Cond |
Extended Data |
|
|
|
|
Participant
|
USGS
|
6/1/1971
|
--
|
--
|
--
|
--
|
Yes
|
Details
|
|
Participant
|
USGS
|
9/1/1972
|
--
|
--
|
--
|
--
|
Yes
|
Details
|
|
Participant
|
USGS
|
6/1/1975
|
--
|
--
|
--
|
--
|
Yes
|
Details
|
|
Park
|
|
8/13/1998
|
41.5°C
|
0°C
|
6.64
|
2200 µS/cm
|
No
|
|
|
USGS
|
|
5/31/2003
|
80°C
|
--
|
7.24
|
2240 µS/cm
|
Yes
|
Details
|
|
USGS
|
|
5/31/2003
|
92°C
|
--
|
4.94
|
1960 µS/cm
|
Yes
|
Details
|
|
Participant
|
Takacs-Vesbach, Cristina
|
6/4/2003
|
71.7°C
|
--
|
7.46
|
2370 µS/cm
|
Yes
|
Details
|
|
USGS
|
|
9/2/2003
|
77°C
|
--
|
7.18
|
2350 µS/cm
|
Yes
|
Details
|
|
USGS
|
|
9/2/2003
|
91.8°C
|
--
|
5.98
|
2160 µS/cm
|
Yes
|
Details
|
|
USGS
|
|
9/10/2004
|
90°C
|
--
|
8
|
2210 µS/cm
|
Yes
|
Details
|
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