Seismic Seafloor Seep

Science  22 Dec 2006:
Vol. 314, Issue 5807, pp. 1837f
DOI: 10.1126/science.314.5807.1837f

Most of Earth's crust is created at mid-ocean ridges in eruptions of lava. Tolstoy et al. (p. 1920, published online 23 November; see the Perspective by Chadwick) have captured the seismic signature of a diking event as veins of lava broke through to the surface along the East Pacific Rise for 6 hours in January 2006. Their array of seismic detectors on the site monitored a gradual rise in seismic activity during the years leading up to the event and its waning thereafter.

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