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锟斤拷锟斤拷学锟斤拷Benjamin Jones锟斤拷锟斤拷锟节憋拷锟斤拷锟斤拷锟斤拷蚀锟侥帮拷锟斤拷斯锟接讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较★拷锟斤拷图片锟结供:Christopher Arp/USGS锟斤拷
锟狡猴拷锟狡硷拷录锟斤拷暮锟斤拷锟斤拷锟绞э拷锟斤拷锟斤拷枚锟斤拷锟斤拷锟节伙拷锟斤拷锟接诧拷锟斤拷锟斤拷锟斤拷锟斤拷浠拷锟斤拷锟斤拷锟节对憋拷锟斤拷圈锟斤拷锟节的猴拷锟斤拷锟斤拷锟接帮拷臁ｏ拷碌锟斤拷芯锟斤拷锟斤拷锟斤拷锟斤拷诠锟饺�52锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷斯锟斤拷锟捷讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷蚀锟斤拷锟劫讹拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟街憋拷锟斤拷锟斤拷锟斤拷锟竭碉拷锟剿伙拷锟杰匡拷锟杰对碉拷锟截碉拷锟斤拷态系统锟斤拷锟斤拷锟斤拷锟节憋拷锟斤拷圈锟侥撅拷锟斤拷锟皆硷拷石锟斤拷锟斤拷锟斤拷然锟斤拷锟侥匡拷锟缴癸拷锟缴巨达拷影锟届。
锟斤拷锟斤拷锟斤拷锟斤拷锟竭讹拷锟斤拷锟斤拷蚀锟斤拷为锟斤拷锟叫ｏ拷锟斤拷锟斤拷锟斤拷为锟斤拷锟角的筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诒锟斤拷拇锟斤拷诙锟斤拷锟斤拷锟斤拷一锟金。匡拷学锟斤拷一直锟斤拷锟斤拷些锟斤拷锟斤拷锟侥猴拷锟斤拷锟竭感碉拷锟斤拷锟斤拷锟斤拷锟界，锟斤拷为锟斤拷锟脚猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墙锟斤拷獾斤拷锟斤拷说母锟轿拷锟斤拷业某锟斤拷锟斤拷锟斤拷锟酵憋拷锟斤拷锟脚拷暮锟剿拷约锟斤拷锟狡斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷越锟斤拷越锟斤拷狻�
锟斤拷锟斤拷锟截猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷斯锟斤拷锟捷讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥猴拷锟斤拷锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟斤拷蚀锟斤拷锟斤拷锟斤拷锟窖★拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟侥筹拷锟斤拷锟姐含锟叫达拷锟斤拷锟侥憋拷锟斤拷锟揭猴拷锟斤拷没锟斤拷锟轿何凤拷锟斤拷锟斤拷为锟剿革拷锟斤拷锟斤拷一锟斤拷锟斤拷锟铰斤拷锟斤拷卸锟斤拷锟斤拷丫锟斤拷锟斤拷锟斤拷蠛＃锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷士锟教斤拷郑锟経SGS锟斤拷锟斤拷锟斤拷斯锟接匡拷学锟斤拷锟侥的碉拷锟斤拷学锟斤拷Benjamin Jones锟斤拷锟斤拷锟斤拷同锟铰ｏ拷锟斤拷锟斤拷一锟斤拷60锟斤拷锟斤长锟斤拷锟斤拷锟竭的猴拷锟斤拷锟斤拷影锟斤拷锟捷讹拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芯锟斤拷锟�
锟斤拷锟斤拷锟绞撅拷锟斤拷锟�1979锟斤拷锟斤拷1955锟斤拷之锟戒，锟斤拷锟斤拷暮锟斤拷锟斤拷锟矫匡拷锟狡斤拷锟斤拷锟�6.8锟阶★拷锟节斤拷锟斤拷锟斤拷锟斤拷23锟斤拷锟叫ｏ拷锟斤拷一锟斤拷平锟斤拷锟劫讹拷锟斤拷锟斤拷锟斤拷28%锟斤拷锟斤拷锟斤拷2002锟疥到2008锟疥，锟斤拷锟斤拷锟斤拷蚀锟斤拷锟铰猴拷锟斤拷锟斤拷每锟斤拷锟�13.6锟阶★拷锟截憋拷锟斤拷锟节猴拷锟斤拷锟节伙拷锟狡硷拷录锟斤拷2007锟斤拷2008锟斤拷锟节间，锟斤拷锟斤拷一锟斤拷锟街猴拷锟斤拷锟竭撅拷然锟斤拷锟斤拷锟斤拷25锟阶★拷Jones锟斤拷锟斤拷锟街猴拷锟斤拷锟竭碉拷锟斤拷蚀锟斤拷锟轿拷锟酵拷锟斤拷锟戒化——锟斤拷锟斤拷锟揭的憋拷锟斤拷锟疥、锟斤拷锟斤拷锟侥硷拷锟劫★拷锟斤拷暖锟侥猴拷锟斤拷锟皆硷拷锟斤拷平锟斤拷锟斤拷锟斤拷锟�——锟斤拷傻锟接帮拷锟斤拷锟斤拷隆锟斤拷芯锟斤拷锟皆憋拷锟斤拷锟斤拷鲁锟斤拷锟侥★拷锟斤拷锟斤拷锟斤拷锟斤拷学锟叫撅拷锟届报锟斤拷锟斤拷Geophysical Research Letters锟斤拷锟较憋拷锟斤拷锟斤拷锟斤拷一锟叫撅拷锟缴癸拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷蚀锟斤拷锟斤拷锟斤拷锟斤拷影锟斤拷锟斤拷然锟斤拷锟街ｏ拷一锟斤拷锟斤拷锟斤拷锟斤拷70锟斤拷锟斤拷诰锟斤拷石锟酵匡拷探锟斤拷锟斤拷锟斤拷2004锟斤拷锟斤拷2005锟斤拷浔伙拷锟剿拷锟矫伙拷锟斤拷锟揭伙拷锟接∨ひ拷锟斤拷耍锟揭蝗猴拷锟阶★拷诎锟斤拷锟剿癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷陌锟剿癸拷锟侥︼拷耍锟斤拷拇锟阶拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷胁锟斤拷锟叫撅拷锟斤拷员指锟斤拷锟斤拷锟斤拷些锟节此碉拷锟斤拷锟斤拷锟侥猴拷锟斤拷锟皆硷拷每锟斤拷45000只锟斤拷锟斤拷锟斤拷锟斤拷械谋锟斤拷锟窖甭雇拷锟斤拷锟斤拷锟斤拷锟街拷帧锟�
锟叫撅拷锟斤拷锟矫讹拷锟斤拷锟斤拷锟斤拷锟斤拷荻锟斤拷锟斤拷锟窖э拷摇锟斤拷锟斤拷锟斤拷锟斤拷枚锟斤拷锟斤拷学锟斤拷前锟斤拷席Jerry Brown锟斤拷为锟斤拷锟斤拷锟斤拷锟叫撅拷锟缴癸拷锟斤拷锟斤拷锟剿匡拷学锟揭讹拷锟斤拷锟斤拷锟斤拷锟桔察到锟侥猴拷锟斤拷锟斤拷锟斤拷蚀锟斤拷锟解。Brown说锟斤拷“锟斤拷一锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟斤拷锟叫╋拷锟斤拷耍锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芄锟斤拷锟斤拷锟叫╋拷锟斤拷锟斤拷录锟斤拷锟窖э拷锟斤拷芏喽拷锟斤拷锟�”之前锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟竭碉拷锟斤拷锟斤拷锟斤拷锟捷斤拷锟叫癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷未锟斤拷锟斤拷锟斤拷锟斤拷芯锟斤拷母锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿癸拷锟斤拷锟経SGS锟斤拷锟斤拷学锟斤拷John Mars锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥癸拷锟斤拷锟斤拷龋锟絁ones锟斤拷锟叫撅拷锟斤拷锟斤拷锟饺灰拷锟斤拷锟�——锟斤拷锟斤拷锟节癸拷去5锟斤拷锟叫猴拷锟斤拷锟竭碉拷锟斤拷却锟劫讹拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟斤拷蚀锟劫度碉拷锟斤拷锟斤拷锟斤拷锟剿革拷为准确锟斤拷锟斤拷识锟斤拷锟斤拷锟斤拷源锟斤拷 锟斤拷学时锟斤拷 群锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟叫撅拷锟届报锟斤拷锟斤拷Geophysical Research Letters锟斤拷锟斤拷DOI: 10.1029/2008GL036205锟斤拷B. M. Jones锟斤拷P. L. Flint锟斤拷
