TY - JOUR AU1 - Jensen, Luke AB - Bull Volcanol (2001) 63:223-224 DOI 10.1007/s004450100146 Luke Jensen Smithsonian Institution's Global Volcanism Network Received: 20 April 2001 / Published online: 1 June 2001 9 Springer-Verlag 2001 Late 1999 and mid-2000 November 2000-February 2001 Visits to the two active craters of Ambrym (Ambrym Island, Van- The hazard status remained moderate at Kelut (Java, Indonesia), uatu) confirmed that both continued to host long-standing lava but crater-lake monitoring indicated a relative increase of water lakes. The lakes' active surfaces varied from molten to chilled. In temperature (reaching 51.2~ a rise of surface level, and a de- late September 1999 the lake in Marum crater measured -60 m in crease in pH. Although relatively small and infrequently reported diameter and underwent significant degassing accompanied by on, Kelut has produced some of Indonesia's most deadly erup- turbulent waves and the escape of incandescent fragments. During tions. Ten fatal crater lake eruptions have occurred and produced the same interval, an ash-and-gas plume rose 1200 m above Ben- dangerous lahars since 1586. Engineered drainage tunnels have bow crater. done much to mitigate the risk of recent eruptions. Kelut's 1000 A.D. eruption is the oldest historically recorded in Indonesia. 9 November 2000 Mid-December 2000 On approach to TI - Smithsonian institution’s global volcanisni network JF - Bulletin of Volcanology DO - 10.1007/s004450100146 DA - 2001-06-01 UR - https://www.deepdyve.com/lp/springer-journals/smithsonian-institution-s-global-volcanisni-network-jUwxDTF1t4 SP - 223 EP - 224 VL - 63 IS - 2-3 DP - DeepDyve ER -