MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.6
2022-11-20 23:36:17 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-11-21 09:10:38

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Earthquake info - Manual location
Event - ID :221120233551
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2022-11-20 23:36:17.415 (UTC)
Location : Latitude: 44.479 N, Longitude: 7.253 E
Area :Alpi Cozie
Depth (km) :6.00
Distances (km) : 1.2 --- San Damiano Macra
2.7 --- Cartignano
5.9 --- Celle di Macra
6.4 --- Macra
6.9 --- Pradleves
7.0 --- Roccabruna
8.4 --- Castelmagno
8.8 --- Dronero
9.5 --- Monterosso Grana
10.1 --- Villar San Costanzo
10.3 --- Valmala
10.5 --- Stroppo
10.5 --- Frassino
10.7 --- Melle
10.7 --- Montemale di Cuneo
12.2 --- Sampeyre
12.5 --- Valgrana
12.8 --- Marmora
13.3 --- Brossasco
13.8 --- Canosio

Quality location estimate: Erh: 2.4 km, Erz: 1.6 km, Nf: 30, Gap: 84 °, Rms: 0.27


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
PZZGU2022-11-20 23:36:20.3900.00600.011.662022-11-20 23:36:22.1300.0360-0.370.6913.5
STVGU2022-11-20 23:36:22.9400.02000.370.962022-11-20 23:36:25.9860.0812-0.151.2527.5
ENRGU2022-11-20 23:36:23.5330.02000.301.022022-11-20 23:36:27.3040.09420.041.4531.5
SURFFR2022-11-20 23:36:24.2100.0221-0.011.652022-11-20 23:36:28.6910.1002-0.510.5135.4
ISOFR2022-11-20 23:36:25.0680.02000.750.302022-11-20 23:36:29.4500.10020.440.8737.2
BHBGU2022-11-20 23:36:24.5230.0602-0.031.582022-11-20 23:36:29.3570.1002-0.071.3940.1
GBOSGU2022-11-20 23:36:27.2600.02710.251.082022-11-20 23:36:33.5210.1002-0.041.3654.0
TURFFR2022-11-20 23:36:28.9590.02000.980.092022-11-20 23:36:35.3520.1002-0.081.3157.4
SAOFFR2022-11-20 23:36:28.9790.02000.550.632022-11-20 23:36:35.9100.5339-0.220.8360.1
MGROGU2022-11-20 23:36:29.2910.0200-0.021.512022-11-20 23:36:37.2820.0400-0.420.7366.1
ESCAFR2022-11-20 23:36:31.1780.02000.480.802022-11-20 23:36:39.8110.0400-0.171.1873.0
ROROGU2022-11-20 23:36:30.8530.02000.021.472022-11-20 23:36:40.0690.43590.050.9876.7
IMIGU2022-11-20 23:36:31.8270.02000.221.202022-11-20 23:36:41.4800.0400-0.171.1781.5
CANOGU2022-11-20 23:36:32.1270.0200-0.430.682022-11-20 23:36:42.0670.0400-0.990.0984.1
PCPGU2022-11-20 23:36:35.5700.05720.580.662022-11-20 23:36:47.8650.10020.440.90102.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ENR GUHH0.403.96e-231.5155
BHB GUHH0.191.01e-240.11
GBOS GUHH0.781.22e-254.0119
TURF FRHH0.388.29e-357.4169
MGRO GUHH0.538.59e-366.1138
ESCA FRHH0.691.00e-273.0172
RORO GUHH0.607.30e-376.7122
IMI GUHH0.931.85e-281.5141
CANO GUHH0.901.18e-284.1111
PCP GUHH0.796.33e-3102.886


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
IH 0*
(m)
IH 1*
(m)
IH 2*
(m)
Sa(T=0.10)
(g)
Sa(T=0.30)
(g)
Sa(T=1.00)
(g)
Sa(T=3.00)
(g)
Dist.
(km)
Azim.
(°)
PZZ GUHHZ1.7435e-52.9265e-61.3703e-64.3103e-72.4393e-72.7147e-57.8161e-63.5511e-75.3528e-813.5286
PZZ GUHHN2.3453e-53.1201e-61.1282e-62.3300e-71.5370e-75.4352e-55.0389e-63.1002e-76.1185e-813.5286
PZZ GUHHE1.8789e-52.5087e-61.3727e-64.6841e-72.3670e-72.8028e-58.5344e-63.6186e-75.2939e-813.5286
STV GUHHZ3.1089e-62.7533e-78.4420e-82.4679e-81.1760e-82.5608e-63.4717e-72.2327e-85.5124e-927.5167
STV GUHHN2.9520e-62.6915e-77.5229e-82.9234e-81.6008e-83.0442e-62.9505e-72.9543e-85.9911e-927.5167
STV GUHHE2.2163e-62.3165e-79.1685e-82.9148e-81.6282e-84.2049e-64.5847e-72.8542e-85.7445e-927.5167
ENR GUHHZ5.9295e-66.2588e-71.4555e-74.1999e-82.2641e-81.0133e-56.1960e-75.0430e-81.2201e-831.5155
ENR GUHHN1.3119e-59.6521e-72.4846e-78.5044e-84.6368e-82.0494e-57.8613e-78.1394e-82.0974e-831.5155
ENR GUHHE1.1490e-51.0965e-62.4233e-76.7086e-83.6516e-82.1023e-56.1978e-77.4991e-82.1522e-831.5155
ISO FRHHZ1.3835e-61.7698e-77.2213e-81.8347e-81.1488e-83.1812e-63.0518e-72.1897e-83.7216e-937.2206
ISO FRHHN1.3890e-61.2072e-74.8974e-81.5713e-81.0622e-82.1162e-62.2534e-71.9638e-82.9439e-937.2206
ISO FRHHE1.8002e-62.0093e-75.3398e-81.8922e-81.1905e-83.0269e-62.2213e-72.2088e-83.5436e-937.2206
BHB GUHHZ1.8622e-62.5120e-77.8716e-84.2540e-88.2393e-84.2247e-62.1703e-71.6675e-79.6635e-940.11
BHB GUHHN1.8522e-62.1680e-77.6015e-82.6542e-81.6866e-83.8344e-62.7159e-73.6101e-84.7681e-940.11
BHB GUHHE1.9828e-62.2338e-77.2813e-82.5565e-81.5795e-83.8953e-62.2054e-72.8857e-85.0325e-940.11
GBOS GUHHZ1.3144e-62.2964e-71.0775e-72.8483e-81.6435e-85.1927e-65.1364e-72.4850e-85.7234e-954.0119
GBOS GUHHN1.3791e-62.6910e-71.1516e-73.3891e-81.8868e-84.2268e-64.3530e-72.8573e-85.3475e-954.0119
GBOS GUHHE1.6581e-62.3196e-71.0052e-72.4838e-81.5248e-83.8108e-63.4385e-72.8082e-84.4707e-954.0119
TURF FRHHZ4.3061e-76.5490e-83.4476e-81.8843e-81.9130e-81.2843e-61.4846e-73.4557e-81.7075e-957.4169
TURF FRHHN7.7903e-71.3776e-76.1068e-82.5198e-82.1108e-83.0813e-61.9254e-73.1763e-83.6415e-957.4169
TURF FRHHE4.3791e-78.6359e-85.4835e-82.2494e-82.1069e-81.6193e-61.9249e-73.0709e-82.4219e-957.4169
MGRO GUHHZ6.0227e-77.1755e-84.3819e-82.3244e-82.0107e-88.8712e-71.7289e-72.7419e-81.8867e-966.1138
MGRO GUHHN6.9693e-78.4251e-85.0007e-82.0565e-82.2906e-81.2887e-61.5792e-73.8830e-82.4484e-966.1138
MGRO GUHHE1.0383e-61.6448e-76.2431e-82.5228e-82.2393e-81.5470e-62.7612e-73.4156e-84.1819e-966.1138
ESCA FRHHZ5.2422e-71.1109e-75.3695e-81.8647e-81.4197e-89.1708e-73.0503e-72.0795e-82.7003e-973.0172
ESCA FRHHN1.1430e-61.4294e-75.4451e-82.4366e-81.5323e-84.1111e-62.2192e-71.8385e-83.3292e-973.0172
ESCA FRHHE8.7283e-71.5968e-78.2625e-82.9412e-82.0682e-82.7808e-65.6855e-73.2460e-83.6785e-973.0172
RORO GUHHZ9.8961e-71.4105e-74.7413e-81.7455e-81.1977e-82.4694e-61.9993e-71.6919e-82.5676e-976.7122
RORO GUHHN1.0363e-61.6725e-77.2064e-81.9164e-81.2395e-83.0640e-63.1582e-72.1212e-83.5461e-976.7122
RORO GUHHE9.8089e-71.3134e-75.4756e-81.5068e-81.2798e-82.1805e-62.2491e-72.2570e-82.6829e-976.7122
IMI GUHHZ1.2602e-61.4779e-75.2785e-82.7240e-82.1886e-83.1796e-61.8118e-73.4582e-83.2737e-981.5141
IMI GUHHN2.8483e-63.5157e-71.1550e-75.1663e-84.2704e-85.2453e-65.4673e-75.5991e-87.2017e-981.5141
IMI GUHHE1.7897e-62.3962e-79.2423e-83.2031e-82.5363e-84.2989e-65.1866e-72.8932e-84.9154e-981.5141
CANO GUHHZ1.1498e-61.3555e-76.1291e-83.1126e-82.9456e-82.0942e-62.2886e-74.1190e-83.7015e-984.1111
CANO GUHHN1.0291e-61.4474e-71.0572e-74.3759e-82.5712e-81.5182e-64.3092e-73.8829e-83.4906e-984.1111
CANO GUHHE9.3564e-71.5344e-77.9762e-83.3309e-83.5724e-82.3359e-63.3134e-75.8209e-85.3234e-984.1111
PCP GUHHZ3.6221e-78.3197e-85.5408e-83.0797e-81.9893e-81.2347e-62.3899e-72.8327e-82.1737e-9102.886
PCP GUHHN4.5326e-77.3124e-85.1360e-82.4077e-82.1124e-81.6090e-61.8380e-72.6208e-82.2519e-9102.886
PCP GUHHE6.2582e-78.5985e-85.4016e-82.1320e-81.4345e-81.1865e-62.4493e-71.9690e-82.2818e-9102.886
*IH (Housner Intensity) calculated on the velocity spectrum (SV) between 0.1 and 0.5 s (IH0), 0.1 and 1.0 s (IH1), 0.1 and 1.5 s (IH2)

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