The giant shield volcanoes are younger, formed between 1 and 2 billion years ago.
None of the shield volcanoes in the region are known to have erupted within the last 5000 years.
It has been confirmed that low shield volcanoes exist in this region.
The summit of the shield volcano was once 800 feet (250 m) above sea level.
The summit of the shield volcano subsided below sea level between 435,000 and 365,000 years ago.
The island is an active shield volcano that has been erupting since April 11, 2009.
It is a complex shield volcano that first formed about 900,000 years ago.
The mountain is the peak of the large shield volcano which forms the island.
The temple rests atop a shield volcano, as does much of the city.
It is part of an old shield volcano that was active around 18 million years ago.