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| Nāhuku | |
|---|---|
| Name | Nāhuku |
| Other name | Thurston Lava Tube |
| Elevation m | 23 |
| Location | Hawaii Island, Hawaii Volcanoes National Park |
| Coordinates | 19.4192°N 155.2881°W |
| Type | lava tube |
| Last eruption | 1912? |
Nāhuku is a lava tube cave on Hawaii Island within Hawaii Volcanoes National Park, notable for its geologic formation, endemic biota, and cultural associations with Hawaiian tradition. The site draws visitors from National Park Service regions and global travel networks, linking natural history with Hawaiian religion narratives and 20th–21st century conservation practice. Management intersects with Hawaii Department of Land and Natural Resources, United States Fish and Wildlife Service, and research institutions studying Kīlauea and Mauna Loa volcanism.
The name Nāhuku derives from Hawaiian language usage recorded by early observers associated with Charles Wilkes era surveys and later cataloged by Bishop Museum ethnographers, paralleling terms used in chants collected by Mary Kawena Pukui and Samuel M. Kamakau. Historical transliterations appear in Thomas Jaggar correspondence and in publications by Hawaiian Historical Society, while modern conservation signage aligns with orthography standardized by ʻŌlelo Hawaiʻi revitalization efforts led by institutions such as University of Hawaiʻi at Mānoa and Hawaiʻi State Archives.
Nāhuku occupies a lava-flow landscape on the southern slopes of Mauna Loa and the summit region influence of Kīlauea. The tube lies within the Puʻu ʻOʻo and Mokuʻāweoweo geomorphic context and is mapped in surveys by United States Geological Survey specialists and the Hawaii Volcano Observatory. Geospatial datasets from National Aeronautics and Space Administration satellites and United States Geological Survey bathymetric analog studies inform topographic models used by National Park Service planners and by researchers from California Institute of Technology and University of Hawaii volcanology groups.
Nāhuku formed as a result of pāhoehoe lava flows linked to eruptions attributed to Kīlauea flank activity in the 18th–19th centuries and possibly during documented flows cited by William Ellis and later observers like Daniel L. Thurston and D. Howard Hitchcock. Lava tube genesis is interpreted through studies by Hawaiian Volcano Observatory personnel, experimental work at Massachusetts Institute of Technology and field comparisons with lava tubes in Iceland and Galápagos Islands. Radiometric and stratigraphic analyses conducted by teams including USGS geochronologists and researchers from Stanford University and University of Canterbury help constrain emplacement ages and thermal histories. Active monitoring regimes connect to Kīlauea eruption of 1790, Kīlauea eruption of 1959, and later eruptive episodes recorded by HVO and USGS Hawaiian Volcano Observatory reports, informing hazard assessments used by Federal Emergency Management Agency and park managers.
The cave hosts specialized fauna and flora influenced by dark-adapted and detrital-energy ecosystems studied by biologists from University of Hawaiʻi and Smithsonian Institution. Troglobitic macrofauna described in surveys include endemic arthropods recorded by researchers associated with Bernice Pauahi Bishop Museum and National Park Service biologists; the microfauna and fungal communities have been subjects of molecular work by teams from American Museum of Natural History and University of California, Berkeley. Surface flora around the tube involves native species recorded by Hawaiian Botanical Society and restoration projects led by The Nature Conservancy (U.S.) and Kamehameha Schools, while invasive taxa are targeted by USDA and state eradication programs. Conservation assessments reference listings from IUCN and collaborative monitoring with Hawaiian Plant Specialists.
Nāhuku features in oral histories and hula chants connected to Pele (deity), recorded by callers such as Martha Beckwith and archived by Bishop Museum and Hawaiʻi State Archives. Historic visitors included 19th-century naturalists linked to James Dwight Dana and artistic portrayals by painters like D. Howard Hitchcock; early scientific accounts appear in publications associated with American Geophysical Union and reports by Thomas Jaggar and USGS. The site factors in Native Hawaiian cultural resource management coordinated with Office of Hawaiian Affairs and Hawaiian Homes Commission, with legal and ethical frameworks informed by case law and policies from National Historic Preservation Act applications and consultations under Native American Graves Protection and Repatriation Act-style protocols adapted locally.
Nāhuku is accessible via developed trails administered by National Park Service staff within Hawaii Volcanoes National Park, with interpretive materials produced in collaboration with Hawaiian Tourism Authority, Travel + Leisure, and academic partners. Visitor use guidelines reflect safety advisories from USGS and CDC for cave environments and are integrated into park management plans coordinated with City and County of Honolulu tourism offices and outreach by Kīpuka Koholāleʻa community groups. Access may be subject to temporary closure due to volcanic hazards, biosecurity measures, or cultural observances, with updates provided through National Park Service communication channels and local news outlets such as Honolulu Star-Advertiser and Hawaii Tribune-Herald.
Category:Caves of Hawaii