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Three Sisters

Latest Earthquakes near Three Sisters

NEW! Annual Time-Depth Plot of events near Three Sisters

Epicenter map and time vs. depth plots for earthquakes near Three Sisters in the last decade.

Webicorder Records.

Mount Adams | Mount Baker | Crater Lake | Glacier Peak | Mount Hood | Mount Rainier | Mount St. Helens | Three Sisters

Recent Earthquakes near Three Sisters



Last updated Sun Oct 12 21:03:16 PDT 2008

Number of earthquakes in past month = 2

List of most recent earthquakes:

Times are in GMT. Subtract 8 hours to get PST, 7 hours to get PDT.
Map of recent epicenters is shown below. DATE-(UTC)-TIME LAT(N) LON(W) DEP MAG QUAL COMMENTS yy/mm/dd hh:mm:ss deg. deg. km Ml 07/09/18 07:06:25 44.14N 121.81W 0.3 1.1 BD 07/09/19 11:14:15 44.06N 121.78W 3.5 1.8 AD LOWF 07/10/13 13:42:54 44.14N 121.80W 0.0 1.0 AD 07/10/13 13:44:05 44.13N 121.80W 0.0 1.4 BC 07/11/16 11:35:32 44.10N 121.74W 1.1-0.3 AD 07/11/16 14:07:13 44.09N 121.76W 1.5 0.5 AC 07/11/16 14:07:56 44.07N 121.82W 9.5-0.2 AD 07/11/17 06:21:22 44.07N 121.83W 8.6-0.6 AD 08/01/16 22:26:46 44.06N 121.86W 0.0 1.8 CD 08/03/16 02:50:11 44.15N 121.75W 0.0 0.5 AD 08/05/02 15:13:01 44.13N 121.85W 10.8 0.5 AD 08/05/02 15:13:26 44.14N 121.81W 11.1 0.1 AD 08/05/03 03:19:12 44.13N 121.86W 10.9 0.2 AD 08/05/03 09:33:30 44.13N 121.87W 11.2 0.2 AD 08/05/04 12:24:08 44.09N 121.87W 3.3 1.9 CC 08/05/05 13:45:28 44.14N 121.79W 6.3 0.1 BD 08/05/06 13:55:12 44.13N 121.79W 8.5 0.7 AD 08/08/23 02:12:03 44.07N 121.78W 0.1 1.4 BD 08/10/10 10:45:11 44.07N 121.79W 0.1 1.3 BB 08/10/12 17:45:14 44.09N 121.78W 5.3 1.5 AC
List of all earthquakes occurring in the Three Sisters/Newberry Caldera region since 09-01, 2007.

Sisters Epicenter Map


Map Guide:

  • Red dot represents most recent event.
  • Green dots represent four previous events.
  • Circles represent older events.
  • Black triangles represent PNSN seismic stations. Stations are labeled with their names.
  • Black squares represent major cities.
  • Magnitude scale is at upper left. Distance scale is at lower left.


Back to:... THREE SISTERS INFO ..... PNW EARTHQUAKE INFO