ShakeMap

Time: Fri November 20, 2020 16:44:58 (UTC)
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Depth: 21.53 km
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Event ID: 61691992
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Location: 48.484, -123.237

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
61691992 3.0 // :: N48.48350 W123.23650 21.53 km
Magnitude Bias: MMI PGA PGV PSA 0.3 PSA 1.0 PSA 3.0
-1.85 0.33 0.01 -0.12 0.08 0.26

Seismic Stations

CN.PGC: Sidney, BC, CA Agency: Canadian National Seismic Network
Lat: 48.64980 Lon: -123.45210 Distance: 32.51 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)
--.HHE 0.0150 0.1164 0.0311 0.0016 0.0002
--.HHN 0.0119 0.0855 0.0401 0.0021 0.0002

CN.SNB: Saturna Island, BC, CA Agency: Canadian National Seismic Network
Lat: 48.77510 Lon: -123.17230 Distance: 39.21 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)
--.HHE 0.0080 0.0309 0.0278 0.0022 0.0002
--.HHN 0.0038 0.0178 0.0094 0.0009 0.0001

CN.SYMB: Survey Mountain, BC, CA Agency: Canadian National Seismic Network
Lat: 48.55930 Lon: -123.79890 Distance: 47.44 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)
--.HHE 0.0050 0.0566 0.0127 0.0010 0.0001
--.HHN 0.0066 0.0694 0.0125 0.0012 0.0001

CN.VGZ: Victoria Gonzales, BC, CA Agency: Canadian National Seismic Network
Lat: 48.41310 Lon: -123.32510 Distance: 23.82 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)
--.HHE 0.0133 0.1491 0.0227 0.0010 0.0001
--.HHN 0.0126 0.1635 0.0166 0.0011 0.0001

UW.BLN: Blyn Mt., WA, USA Agency: Pacific Northwest Seismic Network
Lat: 48.00662 Lon: -122.97265 Distance: 60.47 km from source
Intensity: NaN
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.HNN 0.0020 0.0130 0.0040 0.0005 0.0002
--.HNE 0.0016 -G 0.0005 -G 0.0006 -G 0.0004 -G 0.0004 -G

UW.CWFG: Central Whidbey Island Fire, Greenbank, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.09230 Lon: -122.58246 Distance: 68.54 km from source
Intensity: NaN
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.HNN 0.0021 -G 0.0083 -G 0.0101 -G 0.0005 -G 0.0002 -G
--.HNE 0.0022 -G 0.0079 -G 0.0103 -G 0.0006 -G 0.0001 -G

UW.ERIE: Fidalgo Island, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.42941 Lon: -122.60657 Distance: 51.55 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)
--.HNN 0.0111 0.0467 0.0428 0.0046 0.0003
--.HNE 0.0076 0.0490 0.0430 0.0053 0.0002

UW.ERW: Mt. Erie, WA, USA Agency: Pacific Northwest Seismic Network
Lat: 48.45383 Lon: -122.62612 Distance: 49.99 km from source
Intensity: NaN
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.HNN 0.0026 -G 0.0098 -G 0.0126 -G 0.0009 -G 0.0001 -G
--.HNE 0.0029 0.0110 0.0118 0.0008 0.0001

UW.LRIV: Port Angeles, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.05750 Lon: -123.50400 Distance: 55.67 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)
--.HHE 0.0045 0.0160 0.0098 0.0008 0.0000
--.HHN 0.0033 0.0148 0.0184 0.0008 0.0001

UW.LUMI: Lummi Island, WA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.72010 Lon: -122.70630 Distance: 51.73 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)
--.HHE 0.0018 0.0105 0.0109 0.0005 0.0000
--.HHN 0.0022 0.0122 0.0099 0.0008 0.0001

UW.PRIN: Pacific Rim Institute, Coupeville, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.21172 Lon: -122.63085 Distance: 58.14 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)
--.HHE 0.0064 0.0364 0.0237 0.0017 0.0003
--.HHN 0.0070 0.0276 0.0256 0.0013 0.0002

UW.STW: Striped Peak Agency: Pacific Northwest Seismic Network
Lat: 48.15067 Lon: -123.67106 Distance: 53.53 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)
--.ENN 0.0021 0.0159 0.0040 0.0006 0.0002
--.ENE 0.0026 0.0151 0.0056 0.0010 0.0006

UW.SVOH: Skagit Valley CC ANSS-SMO Agency: Pacific Northwest Seismic Network
Lat: 48.28920 Lon: -122.63316 Distance: 53.99 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)
--.ENN 0.0088 0.0226 0.0326 0.0032 0.0004
--.ENE 0.0051 0.0170 0.0269 0.0027 0.0003

UW.UWFH: UW Friday Harbor ANSS-SMO Agency: Pacific Northwest Seismic Network
Lat: 48.54547 Lon: -123.01368 Distance: 27.94 km from source
Intensity: 1.2
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.ENN 0.0180 0.1469 0.0382 0.0021 0.0002
--.ENE 0.0114 0.0725 0.0198 0.0014 0.0002

(CN.VGZ) PGA: 0.16 PGV: 0.01 N48.41 W123.33 (UW.UWFH) PGA: 0.15 PGV: 0.02 N48.55 W123.01 (CN.SNB) PGA: 0.03 PGV: 0.01 N48.78 W123.17 (UW.ERIE) PGA: 0.05 PGV: 0.01 N48.43 W122.61 (UW.LRIV) PGA: 0.02 PGV: 0.00 N48.06 W123.50 (UW.CWFG) PGA: n/a PGV: n/a N48.09 W122.58 (CN.PGC) PGA: 0.12 PGV: 0.01 N48.65 W123.45 (UW.PRIN) PGA: 0.04 PGV: 0.01 N48.21 W122.63 (UW.STW) PGA: 0.02 PGV: 0.00 N48.15 W123.67 (UW.ERW) PGA: n/a PGV: n/a N48.45 W122.63 (UW.BLN) PGA: n/a PGV: n/a N48.01 W122.97 (CN.SYMB) PGA: 0.07 PGV: 0.01 N48.56 W123.80 (UW.LUMI) PGA: 0.01 PGV: 0.00 N48.72 W122.71 (UW.SVOH) PGA: 0.02 PGV: 0.01 N48.29 W122.63 Epicenter: N48.48 W123.24 M=3.0