Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Hawaii Volcanoes National Park' has mentioned 'Summit' in the following places:
Occurrence Sentence Text Source
On May 11, 2018, the park was closed to the public in the Kxc4xablauea volcano summit area, including the visitor center and park headquarters, due to explosions and toxic ash clouds from Halemaxcaxbbumaxcaxbbu, as well as earthquakes and road damage.
[11] Wilderness designation covers the northwestern extension of the National Park, including Mokuaweoweo, the summit of the volcano Mauna Loa.
The park encompasses diverse environments from sea level to the summit of the Earth's most massive active volcano, Mauna Loa, at 13,679 feet (4,169xc2xa0m).
At the summit, seismicity and deformation are negligible.
Sulfur dioxide emission rates at both the summit and the Lower East Rift Zone are drastically reduced; the combined rate is lower than at any time since late 2007.