A deep research drill hole at the summit of an active volcano, Kilauea, Hawaii
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Abstract
Drilling and geophysical logging data for a 1,262 m‐deep bore hole in the area inferred to overlie the magma reservoir of Kilauea Volcano, Hawaii, support earlier interpretations based on surface geophysical surveys that a zone of brackish or saline water lies above the reservoir. Temperatures encountered within the hole are not sufficiently high to warrant commercial interest; the maximum temperature, 137°C, is at the hole bottom. However, the temperature gradient toward the bottom of the hole (approximately 160 m below sea level) increases sharply to about 370°C/km, perhaps partly reflecting the effect of decreased water circulation as suggested by the geophysical logging data. If this gradient persists or increases with depth, magmatic temperatures would be attained within 3 km from the hole bottom (i.e., approximately 4 km from ground surface)—a depth in accord with data from ground‐deformation and seismic studies.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A deep research drill hole at the summit of an active volcano, Kilauea, Hawaii |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/GL001i007p00323 |
| Volume | 1 |
| Issue | 7 |
| Year Published | 1974 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | California Volcano Observatory |
| Description | 4 p. |
| First page | 323 |
| Last page | 326 |
| Country | United States |
| State | Hawaii |
| Other Geospatial | Kilauea Volcano |
| Google Analytic Metrics | Metrics page |