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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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Donald_Helmberger entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-05-06 and was most recently seen on 2026-05-06.
Donald Vincent Helmberger was an American seismologist; described in his Seismological Research Letters obituary as "one of the most impactful seismologists to have lived". A memorial issue in Earthquake Science was published in his honor February 2022. He served as head of the Caltech Seismological Laboratory from 1998 to 2003, and was the Smits Family Professor of Geophysics, Emeritus upon his death. He was named to the National Academy of Sciences in 2004.
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