US EditionMysterious Fickle Hill Earthquake in Northern California May Have Unexpected Source
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4 Articles
What is under Fickle Hill in northern California? Perhaps the answer to an earthquake mystery that has intrigued seismologists for decades. The origin of the magnitude 6.5 earthquake of 1954 that shook residents around Humboldt Bay was not [...]
Mysterious Fickle Hill Earthquake in Northern California May Have Unexpected Source
What lies beneath Fickle Hill in northern California? Maybe the answer to an earthquake mystery that has puzzled seismologists for decades. The origin of the 1954 magnitude 6.5 earthquake that rattled residents around Humboldt Bay has been unclear, but a new study now suggests a surprising source: the Cascadia subduction interface. In the Bulletin of […] The post Mysterious Fickle Hill Earthquake in Northern California May Have Unexpected Source…
Mysterious Fickle Hill Earthquake in Northern California May Have Unexpected Source | Seismological Society of America
19 August 2025—What lies beneath Fickle Hill in northern California? Maybe the answer to an earthquake mystery that has puzzled seismologists for decades. The origin of the 1954 magnitude 6.5 earthquake that rattled residents around Humboldt Bay has been unclear, but a new study now suggests a surprising source: the Cascadia subduction interface. In the Bulletin of the Seismological Society of America, a team of researchers shares the scientific…
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