Volcanic eruptions, Ocean-bottom seismometers
Evidence for recent volcanic eruptions along the fast spreading East Pacific Rise (EPR) crest near 9°50'N spanning about 4 to 5 months of activity was discovered in April and May 2006 as a result of studies related to the U.S. National Science Foundation's (NSF) Ridge2000 (R2K) program. In April, during routine recovery and redeployment of ocean-bottom seismometers (OBS) at the EPR R2K Integrated Study Site (ISS) near 9°50'N, eight of 12 OBS could not be recovered [Tolstoy et al, 2006]. Anomalous turbidity and temperature structure in the water column along the ridge axis confirmed scientists' suspicions that the OBS were trapped by a new lava flow.
EOS, Transactions, American Geophysical Union
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Cowen, James P.; Love, Brooke; Glazier, Brian; Fornari, Daniel J.; Shank, Timothy M.; Soule, S. Adam; Treusch, Alexander; Pomranig, Kyle R.; Holmes, R. Chadwick; and Tolstoy, Maya, "Volcanic Eruptions at East Pacific Rise Near 9°50'N" (2007). Environmental Sciences Faculty and Staff Publications. 46.