Water level in a deep well on the summit of Kilauea Volcano, Hawaii

Between March 2002 and May 2011 periodic water level measurements were made in the well on the summit of Kilauea Volcano using a 2,000-foot calibrated electric tape...2002年3月至2011年5月期间，研究人员采用2000英尺校准电测绳，在基拉韦厄火山（Kilauea Volcano）山顶的观测井内开展了定期水位测量工作。