M6.9 · 216 km SSE of Adak, Alaska
Sunday, September 17, 1911
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3:26 AM – 3:36 AM
216 km SSE of Adak, Alaska
Magnitude 6.9 (mw), 15 km deep, 216 km SSE of Adak, Alaska — 50.12°N, 175.27°W. September 17, 1911 at 03:26 UTC. https://earthquake.usgs.gov/earthquakes/eventpage/iscgem16958163 Data: US Geological Survey (public domain).
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