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Posts tagged Taupo Volcanic Zone

Tauranga Harbour and Lakes Rotorua and Tarawera, New Zealand

38S 176.2E

December 25th, 2011 Category: Lakes

New Zealand - December 22nd, 2011

This orthorectified image shows the Tauranga Harbour (upper left quadrant, top), Lake Rotorua (rounded, bottom center) and Lake Tarawera (smaller, right of former) on New Zealand’s North Island. The harbour is the location of the Port of Tauranga, New Zealand’s largest export port.

Lake Rotorua is the second largest lake in the North Island of New Zealand by surface area, and covers 79.8km2. With a mean depth of only 10 metres it is considerably smaller than nearby Lake Tarawera in terms of volume of water. It is located in the Bay of Plenty region. The city of Rotorua is sited on its southern shore, and the town of Ngongotaha is at the western edge of the lake. The lake was formed from the crater of a large volcano in the Taupo Volcanic Zone.

Lake Tarawera is the largest of a series of lakes which surround the volcano Mount Tarawera in the North Island of New Zealand. Like the mountain, it lies within the Okataina caldera. It is located 18 kilometres to the east of Rotorua, and five kilometres to the west of the mountain. The lake’s surface area is 39 km².

Cape Reinga and Volcanoes of New Zealand’s North Island

39.2S 175.5E

October 27th, 2011 Category: Lakes, Volcanoes

New Zealand - October 24th, 2011

This image focuses on the North Island of New Zealand. Visible in the upper left corner is Cape Reinga, at the tip of the Aupouri Peninsula, at the northernwestern end of North Island.

Several volcanoes with snow-capped sumits can be observed on the island. Near the center is Mount Ruapehu, an active stratovolcano at the southern end of the Taupo Volcanic Zone in New Zealand, south of Lake Taupo.

To the southwest of Ruapehu, near the coast, is Mount Taranaki, or Mount Egmont, is an active but quiescent stratovolcano in the Taranaki region on the west coast of North Island. The 2518-metre-high mountain is one of the most symmetrical volcanic cones in the world.

Volcanic Features and Clusters of Lakes on New Zealand’s North Island

38S 176.2E

April 1st, 2011 Category: Lakes, Volcanoes

New Zealand - March 27th, 2011

This orthorectified image shows a cluster of lakes on New Zealand’s North Island. The largest visible here is Lake Rotorua, and covering 79.8km2. The lake was formed from the crater of a large volcano in the Taupo Volcanic Zone.

Several other lakes of volcanic origin are located nearby, to the east. Directly east of Lake Rotorua is Lake Rotoiti. The two are connected via the Ohau Channel. To the right of Lake Rotoiti is Lake Rotoehu, followed by Lake Rotoma.

To the south, the large Lake Tarawera can be observed. It is the largest of a series of lakes which surround the volcano Mount Tarawera. Like the mountain, it lies within the Okataina caldera. The lake’s surface area is 39 km².

In the middle is Lake Okataina, the northernmost and largest of four smaller lakes lying between Lake Rotorua and Lake Tarawera. The others are Lake Rotokakahi (Green Lake), Lake Tikitapu (Blue Lake), and Lake Okareka. All lie within the Okataina caldera, along its western edge.

Lake Taupo and Mount Ruapehu, New Zealand – December 12th, 2010

38.7S 175.8E

December 12th, 2010 Category: Image of the day, Lakes, Volcanoes

New Zealand - December 9th, 2010

The large, dark blue lake in the center of New Zealand’s North Island is Lake Taupo. It is actually the water-filled caldera of a large rhyolitic volcano.

South of the Lake Taupo is Mount Ruapehu, an active stratovolcano at the southern end of the Taupo Volcanic Zone. Here, its peak, the highest point on the North Island, appears capped with snow.

Lakes Rotorua and Taupo, New Zealand

38.1S 176.2E

September 14th, 2009 Category: Lakes, Volcanoes

New Zealand - August 16th, 2009

New Zealand - August 16th, 2009

Several lakes can be seen in this orthorectified image of New Zealand’s North Island. Easily distinguished by its bright grey appearance here is Lake Taupo, the country’s largest lake by surface area. The city of Taupo can be seen on its northeastern shores. A large agricultural area extends east-northeast of the lake, above the Kaweka Range.

In the upper right quadrant of the image is an area with several lakes, all of which appear dark grey here. Lake Rotorua is the second largest lake in the North Island of New Zealand by surface area, and covers 79.8km2. With a mean depth of only 10 metres it is considerably smaller than nearby Lake Tarawera in terms of volume of water.

The city of Rotorua is situated on its southern shore. In the middle of the lake is Mokoia Island, a rhyolite lava dome with an area of 1.35 square kilometres, rising to 180 metres above the lake surface.

The lake was formed from the crater of a large volcano in the Taupo Volcanic Zone. Its last major eruption was about 240,000 years ago. After the eruption, the magma chamber underneath the volcano collapsed. The circular depression left behind is the Rotorua Caldera, which is the site of the lake. Several other lakes of volcanic origin are located nearby to the east, around the base of the active volcano Mount Tarawera.

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