Frying Pan Lake
| Frying Pan Lake | ||
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| Frying Pan Lake in summer | ||
| Geographical location | Waimangu Volcanic Rift Valley , North Island (New Zealand) | |
| Drain | Waimangu Stream to Lake Rotomahana | |
| Location close to the shore | Waimangu | |
| Data | ||
| Coordinates | 38 ° 17 '5 " S , 176 ° 23' 40" E | |
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| length | 300 m | |
| width | 200 m | |
| volume | 200,000 m³ | |
| Maximum depth | 20.88 m | |
| Middle deep | 6 m | |
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particularities |
largest thermal spring in the world |
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The Frying Pan Lake is a lake of volcanic origin in New Zealand . The lake is located on the North Island of New Zealand in the Waimangu Volcanic Rift Valley. It was not formed until June 10, 1886 when Mount Tarawera erupted . It is located together with the former Waimangu Geyser in one of the craters that formed at that time, the Echo Crater, about 10 km southwest of today's summit.
Northeast of the lake is the larger Lake Rotomahana , the closest settlement is Waimangu about 1 km southwest.
Ron Keam of the University of Auckland carried out an extensive survey of the lake and close-meshed depth measurements with a plumb bob from 1976 to 1978. For this he used a wooden dinghy thermally insulated with polyurethane foam to protect against the hot water .
With an area of 3.8 hectares and a volume of around 200,000 m³, the lake is the largest thermal spring in the world. The lake is about 300 m long and 200 m wide. The bottom is over long distances and on average 6 m deep. Some parts extend to greater depths: Keam determined the greatest depth with 20.88 m in the eastern part of the lake, another deep point with up to 15.03 m is at the southern end of the lake.
Its water temperature is on average 45 ° C to 55 ° C. The pH value of the water is 3.5 and is therefore in the acidic range.
The area around the lake has not seen any other volcanic eruptions since the eruption that led to its formation. However, in 1915, 1917, 1924 and 1973 there were outbreaks of steam and hot water. Between 1900 and 1904, the largest geyser in the world, the Waimangu geyser , was active immediately northwest of today's lake .
Individual evidence
- ^ Frying Pan lake . acatte.club.fr , archived from the original on May 24, 2008 ; accessed on August 11, 2014 (English, original website no longer available).