ShakeMap

Time: Fri December 9, 2016 09:50:29 (UTC)
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Depth: 7.02 km
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Event ID: 61238371
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Location: 46.309, -122.032

Instrument Intensity

Regional

Download: JPG | PS.ZIP

Peak Ground Acceleration

Regional

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Peak Ground Velocity

Regional

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Uncertainty

Regional

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Downloads

Regional
intensity JPG | PS.ZIP
acceleration JPG | PS.ZIP
velocity JPG | PS.ZIP
spectral 0.3 JPG | PS.ZIP
spectral 1.0 JPG | PS.ZIP
spectral 3.0 JPG | PS.ZIP
uncertainty JPG | PS.ZIP
tv map JPG | PS.ZIP
tv map bare JPG | PS.ZIP
tv info sheet TXT
grid XYZ.ZIP | XML.ZIP
gis ZIP
station TXT | XML
metadata TXT

Earthquake

Event ID Magnitude Date Time Lat Lon Depth
61238371 3.3 // :: N46.30880 W122.03180 7.02 km
Magnitude Bias: MMI PGA PGV PSA 0.3 PSA 1.0 PSA 3.0
-0.67 0.34 0.30 0.29 0.33 0.72

Seismic Stations

CC.JRO: Johnston Ridge Observatory Agency: Cascade Chain Volcano Monitoring
Lat: 46.27510 Lon: -122.21780 Distance: 16.36 km from source
Intensity: 1.9
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.BHE 0.0281 0.0854 0.1505 0.0126 0.0010
--.BHN 0.0403 0.1246 0.2510 0.0129 0.0010

CC.STD: Studebaker Ridge, Mount St Helens, WA Agency: Cascade Volcano Obervatory
Lat: 46.23761 Lon: -122.22396 Distance: 18.17 km from source
Intensity: 2.6
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.BHE 0.0962 0.4706 0.2350 0.0119 0.0013
--.BHN 0.0511 0.2085 0.1121 0.0062 0.0018

CC.SWF2: Southwest Flank, Mt. St. Helens, WA Agency: Cascade Chain Volcano Monitoring
Lat: 46.17832 Lon: -122.21674 Distance: 21.50 km from source
Intensity: 2.7
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.BHE 0.1072 0.4253 0.3724 0.0166 0.0016
--.BHN 0.0945 0.4138 0.6122 0.0179 0.0015

CC.VALT: Mt. St. Helens Crater, WA Agency: Cascade Volcano Obervatory
Lat: 46.21422 Lon: -122.18925 Distance: 17.50 km from source
Intensity: 2.3
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.BHE 0.0586 0.2221 0.3708 0.0223 0.0017
--.BHN 0.0616 0.2126 0.4582 0.0214 0.0015

UW.LON: Longmire CREST broad-band Agency: Pacific Northwest Regional Seismic Network
Lat: 46.75060 Lon: -121.80960 Distance: 52.46 km from source
Intensity: 1.0
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.BHE 0.0113 0.0396 0.0343 0.0029 0.0003 -T
--.BHN 0.0087 0.0566 0.0272 0.0015 0.0001 -T

UW.YACT: Amboy, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 45.93250 Lon: -122.41930 Distance: 51.89 km from source
Intensity: 4.1 - T
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.HHE 0.0000 -T 0.0000 -T 0.0000 -T 0.0000 -T 0.0000 -T
--.HHN 0.0000 -T 0.0000 -T 0.0000 -T 0.0000 -T 0.0000 -T

(UW.LON) PGA: n/a PGV: n/a N46.75 W121.81 (CC.STD) PGA: 0.47 PGV: 0.10 N46.24 W122.22 (UW.YACT) PGA: n/a PGV: n/a N45.93 W122.42 (CC.SWF2) PGA: 0.43 PGV: 0.11 N46.18 W122.22 (CC.VALT) PGA: 0.22 PGV: 0.06 N46.21 W122.19 (CC.JRO) PGA: 0.12 PGV: 0.04 N46.28 W122.22 Epicenter: N46.31 W122.03 M=3.3