Small Quake Hits Near Normandy Park


We didn’t feel it, and we’re sure you probably didn’t either, but a small earthquake registering 1.8 on the Richter Scale struck near the Normandy Park area Wednesday morning at 6:15am.

While we don’t know what the fault was (or whose fault it was), earthquakes happen often ’round here so it’s nothing to freak out about.

Here are the details from the US Geological Service’s website:

  • Magnitude 1.8
  • Wednesday, April 08, 2009 at 06:15:13 AM
  • Epicenter Location 47.414°N, 122.380°W Depth 17.6 km (10.9 miles) set by location program; 4 km (2 miles) SW (227°) from Normandy Park, WA * 5 km (3 miles) WNW (296°) from Des Moines, WA * 7 km (4 miles) E (92°) from Vashon, WA * 15 km (9 miles) W (272°) from East Hill-Meridian, WA * 20 km (12 miles) NNE (17°) from Tacoma, WA * 24 km (15 miles) S (188°) from Seattle, WA
  • Location Uncertainty horizontal +/- 4.2 km (2.6 miles); depth fixed by location program Parameters NST= 20, Nph= 20, Dmin=5 km, Rmss=0.71 sec, Gp=101°, M-type=duration magnitude (Md), Version=0 Source
  • Pacific Northwest Seismograph Network Event ID uw04081315

You can also read more about this minor geological incident here.


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