Distribution, 14C chronology, and paleomagnetism of latest Pleistocene and Holocene lava flows at Haleakala?? volcano, Island of Maui, Hawai‘i: A revision of lava flow hazard zones

Sherrod, D. R.; Hagstrum, J. T.; McGeehin, J. P.; Champion, D. E.; Trusdell, F. A.

Abstract:

New mapping and 60 new radiocarbon ages define the age and distribution of latest Pleistocene and Holocene (past 13,000 years) lava flows at Haleakala?? volcano, Island of Maui. Paleomagnetic directions were determined for 118 sites, of which 89 are in lava flows younger than 13,000 years. The paleomagnetic data, in conjunction with a reference paleosecular variation (PSV) curve for the Hawaiian Islands, are combined with our knowledge of age limitations based on stratigraphic control to refine age estimates for some of the undated lava flows. The resulting volumetric rate calculations indicate that within analytical error, the extrusion rate has remained nearly constant during the past 13,000 years, in the range 0.05-0.15 km3/kyr, only about half the long-term rate required to produce the postshield strata emplaced in the past ???1 Myr. Haleakala??‘s eruptive frequency is similar to that of Huall??ai volcano on the Island of Hawai‘i, but its lava flows cover substantially less area per unit time. The reduced rates of lava coverage indicate a lower volcanic hazard than in similar zones at Huala??lai.

Genre:

Article

ProdID:

70030288

Citation Author:

Sherrod, D. R.; Hagstrum, J. T.; McGeehin, J. P.; Champion, D. E.; Trusdell, F. A.

Citation Contributing Office:

Citation Datum:

Citation Day:

Citation Edition:

Citation Editor:

Citation End Page:

Citation Issue:

Citation Keywords:

Citation Language:

English

Citation Larger Work Title:

Journal of Geophysical Research B: Solid Earth

Citation LatN:

Citation LatS:

Citation LonE:

Citation LonW:

Citation Month:

Citation No Pagination:

Citation Number Of Pages:

Citation Online Only Flag:

Citation Phsyical Description:

Citation Projection:

Citation Public Comments:

Citation Publisher:

Citation Series:

Citation Series Code:

Citation Series Number:

Citation Search Results Text:

Distribution, 14C chronology, and paleomagnetism of latest Pleistocene and Holocene lava flows at Haleakala?? volcano, Island of Maui, Hawai‘i: A revision of lava flow hazard zones; 2006; Article; Journal; Journal of Geophysical Research B: Solid Earth; Sherrod, D. R.; Hagstrum, J. T.; McGeehin, J. P.; Champion, D. E.; Trusdell, F. A.