ShakeMap

Time: Sat August 28, 2021 21:59:07 (UTC)
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Depth: 0.91 km
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Event ID: 61772691
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Location: 48.595, -121.95

Instrument Intensity

Regional

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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
61772691 2.9 // :: N48.59520 W121.94950 0.91 km
Magnitude Bias: MMI PGA PGV PSA 0.3 PSA 1.0 PSA 3.0
-1.22 0.06 0.11 0.14 0.31 0.34

Seismic Stations

UW.BERY: Pilchuck Tree Farm, Arlington, WA, USA Agency: Pacific Northwest Seismic Network
Lat: 48.26410 Lon: -122.09600 Distance: 38.38 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 0.0046 0.0111 0.0243 0.0021 0.0002
--.HHN 0.0055 0.0185 0.0320 0.0015 0.0001

UW.BHAM: Bellingham, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.78724 Lon: -122.41752 Distance: 40.46 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)
--.HHE 0.0094 0.0212 0.0377 0.0038 0.0003
--.HHN 0.0099 0.0205 0.0868 0.0048 0.0004

UW.CUGR: Cougar Creek Elementary School, Arlington, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.14270 Lon: -122.21714 Distance: 54.07 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 0.0013 -G 0.0046 -G 0.0030 -G 0.0019 -G 0.0002 -G
--.HNE 0.0014 -G 0.0034 -G 0.0042 -G 0.0026 -G 0.0002 -G

UW.DLTA: Ferndale, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.93608 Lon: -122.57398 Distance: 59.43 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 0.0027 -G 0.0067 -G 0.0118 -G 0.0023 -G 0.0003 -G
--.HNE 0.0028 -G 0.0062 -G 0.0126 -G 0.0026 -G 0.0003 -G

UW.DMNG: Deming, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.82545 Lon: -122.21451 Distance: 32.16 km from source
Intensity: 1.8
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.HNN 0.0351 0.1422 0.0756 0.0097 0.0005
--.HNE 0.0337 0.1258 0.0912 0.0067 0.0007

UW.DONK: DONK, Steam Donkey, Weyerhauser Land Agency: Pacific Northwest Regional Seismic Network
Lat: 48.42384 Lon: -122.15673 Distance: 24.43 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 0.0039 0.0212 0.0167 0.0013 0.0002
--.HHN 0.0037 0.0175 0.0214 0.0016 0.0001

UW.EDSN: Edison Elementary School, Bow, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.56202 Lon: -122.43611 Distance: 36.00 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 0.0053 0.0142 0.0285 0.0039 0.0012
--.HNE 0.0057 0.0150 0.0346 0.0043 0.0010

UW.ELGR: Elger Bay Elementary School, Camano, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.14516 Lon: -122.46761 Distance: 63.01 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 0.0016 -G 0.0085 -G 0.0057 -G 0.0010 -G 0.0002 -G
--.HNE 0.0015 -G 0.0077 -G 0.0042 -G 0.0009 -G 0.0002 -G

UW.ERIE: Fidalgo Island, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.42941 Lon: -122.60657 Distance: 51.80 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 0.0023 -G 0.0092 -G 0.0086 -G 0.0018 -G 0.0002 -G
--.HNE 0.0023 -G 0.0080 -G 0.0095 -G 0.0015 -G 0.0001 -G

UW.ERW: Mt. Erie, WA, USA Agency: Pacific Northwest Seismic Network
Lat: 48.45383 Lon: -122.62612 Distance: 52.26 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 0.0007 -G 0.0043 -G 0.0023 -G 0.0004 -G 0.0001 -G
--.HNE 0.0005 -G 0.0044 -G 0.0022 -G 0.0004 -G 0.0001 -G

UW.GUEM: Guemes Island, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.54667 Lon: -122.63014 Distance: 50.38 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 0.0023 0.0057 0.0097 0.0022 0.0002
--.HHN 0.0019 0.0051 0.0201 0.0017 0.0002

UW.HILL: La Conner, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.38806 Lon: -122.44702 Distance: 43.31 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 0.0013 0.0036 0.0041 0.0008 0.0001
--.HHN 0.0010 0.0026 0.0044 0.0007 0.0001

UW.JCW: Jim Creek Agency: Pacific Northwest Seismic Network
Lat: 48.19517 Lon: -121.92697 Distance: 44.52 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)
--.ENN 0.0029 0.0154 0.0153 0.0006 0.0002
--.ENE 0.0027 -G 0.0092 -G 0.0095 -G 0.0009 -G 0.0001 -G

UW.LARL: Bellingham, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.85949 Lon: -122.48445 Distance: 49.03 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 0.0057 0.0160 0.0357 0.0068 0.0004
--.HNE 0.0068 0.0139 0.0271 0.0062 0.0004

UW.LYND: Lynden Middle School, Lynden, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.95967 Lon: -122.41767 Distance: 53.10 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 0.0031 -G 0.0082 -G 0.0112 -G 0.0044 -G 0.0005 -G
--.HNE 0.0025 -G 0.0078 -G 0.0124 -G 0.0052 -G 0.0005 -G

UW.MBKE: M Baker Kendall ANSS-SMO Agency: Pacific Northwest Regional Seismic Network
Lat: 48.91638 Lon: -122.14175 Distance: 38.40 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 0.0042 0.0172 0.0246 0.0047 0.0003
--.ENE 0.0057 0.0129 0.0171 0.0081 0.0003

UW.MULN: Lyman, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.53544 Lon: -122.06441 Distance: 10.79 km from source
Intensity: 2.8
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.HHE 0.0843 0.5621 0.3169 0.0155 0.0014
--.HHN 0.1321 0.7950 0.4753 0.0188 0.0014

UW.OAKH: North Whidbey Fire, Oak Harbor, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.30797 Lon: -122.67371 Distance: 62.24 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 0.0013 -G 0.0061 -G 0.0038 -G 0.0007 -G 0.0002 -G
--.HNE 0.0012 -G 0.0080 -G 0.0037 -G 0.0006 -G 0.0001 -G

UW.PASS: Maple Falls, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.99830 Lon: -122.08520 Distance: 45.92 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 0.0079 0.0254 0.0401 0.0017 0.0002
--.HHN 0.0059 0.0258 0.0270 0.0018 0.0002

UW.PLBD: Puget Sound Energy Lower Baker Dam Agency: Pacific Northwest Seismic Network
Lat: 48.54752 Lon: -121.74442 Distance: 16.02 km from source
Intensity: 2.0
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.ENN 0.0415 0.1225 0.1286 0.0143 0.0011
--.ENE 0.0312 0.1401 0.1099 0.0080 0.0006

UW.PRIN: Pacific Rim Institute, Coupeville, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.21172 Lon: -122.63085 Distance: 65.95 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 0.0008 0.0041 0.0038 0.0006 0.0001
--.HHN 0.0009 0.0038 0.0043 0.0008 0.0001

UW.PUBD: Puget Sound Energy Upper Baker Dam Agency: Pacific Northwest Regional Seismic Network
Lat: 48.65260 Lon: -121.68809 Distance: 20.27 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 0.0066 0.0405 0.0195 0.0026 0.0005
--.ENE 0.0074 0.0342 0.0174 0.0030 0.0004

UW.RPW2: RPW2, Rockport WA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.44493 Lon: -121.52650 Distance: 35.36 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 0.0201 0.0143 0.0014 0.0001
--.HHN 0.0060 0.0267 0.0140 0.0010 0.0001

UW.SDRO: Sedro-Woolley City Hall, Sedro-Woolley, WA, USA Agency: Pacific Northwest Seismic Network
Lat: 48.50871 Lon: -122.23772 Distance: 23.31 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 0.0098 0.0340 0.0868 0.0077 0.0003
--.HNE 0.0118 0.0313 0.0487 0.0065 0.0004

UW.SHUK: Shuksan (Mt. Baker Ski Area), WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.85284 Lon: -121.67695 Distance: 34.95 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 0.0057 0.0606 0.0145 0.0008 0.0001
--.HHN 0.0042 0.0477 0.0096 0.0007 0.0001

UW.SKGF: Skagit County Fire District 6, Burlington, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.47174 Lon: -122.39587 Distance: 35.63 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 0.0044 0.0118 0.0304 0.0018 0.0002
--.HNE 0.0056 0.0158 0.0466 0.0027 0.0004

UW.SMSH: Samish Elementary School, Sedro-Woolley, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.58641 Lon: -122.22551 Distance: 20.34 km from source
Intensity: 2.2
Station Comp Max Vel (cm/s) Max Acc (%g) PSA: 0.3 sec (%g) 1.0 sec (%g) 3.0 sec (%g)
--.HNN 0.0539 0.2855 0.1479 0.0125 0.0008
--.HNE 0.0423 0.1781 0.1632 0.0118 0.0011

UW.STNW: North County Fire, Stanwood, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.23915 Lon: -122.34318 Distance: 49.12 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 0.0055 -G 0.0059 -G 0.0019 -G 0.0002 -G
--.HNE 0.0016 -G 0.0049 -G 0.0058 -G 0.0013 -G 0.0003 -G

UW.SUMAS: Sumas Elementary School, Sumas, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.99333 Lon: -122.25890 Distance: 49.74 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 0.0086 0.0203 0.0468 0.0061 0.0007
--.HNE 0.0080 0.0326 0.0575 0.0079 0.0005

UW.WRMB: North County Fire, Warm Beach, WA, USA Agency: Pacific Northwest Regional Seismic Network
Lat: 48.17490 Lon: -122.35219 Distance: 55.40 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 0.0014 -G 0.0039 -G 0.0048 -G 0.0013 -G 0.0001 -G
--.HNE 0.0012 -G 0.0026 -G 0.0057 -G 0.0011 -G 0.0001 -G

(UW.PUBD) PGA: 0.04 PGV: 0.01 N48.65 W121.69 (UW.PLBD) PGA: 0.14 PGV: 0.04 N48.55 W121.74 (UW.JCW) PGA: n/a PGV: n/a N48.20 W121.93 (UW.ERIE) PGA: n/a PGV: n/a N48.43 W122.61 (UW.LYND) PGA: n/a PGV: n/a N48.96 W122.42 (UW.DONK) PGA: 0.02 PGV: 0.00 N48.42 W122.16 (UW.SMSH) PGA: 0.29 PGV: 0.05 N48.59 W122.23 (UW.ELGR) PGA: n/a PGV: n/a N48.15 W122.47 (UW.MULN) PGA: 0.80 PGV: 0.13 N48.54 W122.06 (UW.WRMB) PGA: n/a PGV: n/a N48.17 W122.35 (UW.HILL) PGA: 0.00 PGV: 0.00 N48.39 W122.45 (UW.BERY) PGA: 0.02 PGV: 0.01 N48.26 W122.10 (UW.CUGR) PGA: n/a PGV: n/a N48.14 W122.22 (UW.SDRO) PGA: 0.03 PGV: 0.01 N48.51 W122.24 (UW.LARL) PGA: 0.02 PGV: 0.01 N48.86 W122.48 (UW.DLTA) PGA: n/a PGV: n/a N48.94 W122.57 (UW.PRIN) PGA: 0.00 PGV: 0.00 N48.21 W122.63 (UW.OAKH) PGA: n/a PGV: n/a N48.31 W122.67 (UW.SKGF) PGA: 0.02 PGV: 0.01 N48.47 W122.40 (UW.SHUK) PGA: 0.06 PGV: 0.01 N48.85 W121.68 (UW.ERW) PGA: n/a PGV: n/a N48.45 W122.63 (UW.SUMAS) PGA: 0.03 PGV: 0.01 N48.99 W122.26 (UW.STNW) PGA: n/a PGV: n/a N48.24 W122.34 (UW.RPW2) PGA: 0.03 PGV: 0.01 N48.44 W121.53 (UW.DMNG) PGA: 0.14 PGV: 0.04 N48.83 W122.21 (UW.MBKE) PGA: 0.02 PGV: 0.01 N48.92 W122.14 (UW.PASS) PGA: 0.03 PGV: 0.01 N49.00 W122.09 (UW.GUEM) PGA: 0.01 PGV: 0.00 N48.55 W122.63 (UW.EDSN) PGA: 0.01 PGV: 0.01 N48.56 W122.44 (UW.BHAM) PGA: 0.02 PGV: 0.01 N48.79 W122.42 Epicenter: N48.60 W121.95 M=2.9