摘要:

On June 27, 1992, the Crater Peak vent on the south side of Mt. Spurr awoke from 39 years of dormancy and burst into subplinian eruption after 10 months of elevated seismicity. Two more eruptions followed in August and September. The volcano lies 125‐km west of Anchorage, which is Alaska's largest city and an important international hub for air travel. The Alaska Volcano Observatory (AVO) was able to warn communities and the aviation industry well in advance of these eruption

ISSN:0002-8606    

DOI:10.1029/93EO00284

年代:1993

数据来源: WILEY

摘要:

R/VNathaniel B. Palmer, the 94‐m ice breaking research vessel operated by the National Science Foundation's Office of Polar Programs for the United States Antarctic Program (USAP), has completed its first year of operations. The eight cruises included the recovery of the U.S. ‐Russian ice camp in the Weddell Sea, biological and physical oceanographic studies, a marine geology and geophysics program, and an engineering test cruise. The ship spent a large part of the year working in ice in the western Weddell, Amundsen, and Bellingshausen seas. In the 1993–1994 austral summer and 1994 austral winter seasons, funded NSF projects will extend the range of operations into the eastern Weddell and Ross

ISSN:0002-8606    

DOI:10.1029/93EO00389

年代:1993

数据来源: WILEY

摘要:

Frank Dietzdied recently at age 73. He had been a member of AGU (Seismology) since 1954.

ISSN:0002-8606    

DOI:10.1029/EO074i019p00219-01

年代:1993

数据来源: WILEY