MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.1
2022-01-25 22:50:56 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-01-26 08:35:13

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Earthquake info - Manual location
Event - ID :220125225031
Magnitude (ML) :0.1 +/- 0.2
Origin Time :2022-01-25 22:50:56.882 (UTC)
Location : Latitude: 44.392 N, Longitude: 7.206 E
Area :Alpi Cozie
Depth (km) :6.01
Distances (km) : 2.1 --- Castelmagno
6.7 --- Pradleves
8.7 --- Aisone
9.5 --- Monterosso Grana
9.5 --- Vinadio
10.4 --- Celle di Macra
11.1 --- Demonte
11.6 --- San Damiano Macra
11.6 --- Cartignano
11.6 --- Marmora
12.0 --- Sambuco
12.2 --- Canosio
12.3 --- Macra
14.0 --- Valgrana
14.3 --- Stroppo
14.4 --- Montemale di Cuneo
14.4 --- Roccabruna
14.5 --- Valloriate
14.7 --- Pietraporzio
15.1 --- Dronero

Quality location estimate: Erh: 0.7 km, Erz: 0.4 km, Nf: 26, Gap: 98 °, Rms: 0.28


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.
PZZGU2022-01-25 22:51:00.5800.01700.001.852022-01-25 22:51:02.5490.0400-0.670.4616.4
STVGU2022-01-25 22:51:00.7880.0180-0.011.852022-01-25 22:51:02.8500.0400-0.630.4620.1
ENRGU2022-01-25 22:51:01.9090.02000.180.852022-01-25 22:51:04.9840.0400-0.071.5525.7
ISOFR2022-01-25 22:51:02.7700.02410.680.292022-01-25 22:51:05.6240.04000.051.6227.1
SURFFR2022-01-25 22:51:03.4000.02510.011.782022-01-25 22:51:07.8760.0400-0.220.9133.3
TURFFR2022-01-25 22:51:06.6390.02000.510.782022-01-25 22:51:11.8300.1303-0.830.3149.0
BHBGU2022-01-25 22:51:06.0570.02000.360.802022-01-25 22:51:11.8510.04000.091.4149.9
SAOFFR2022-01-25 22:51:07.3040.02000.440.832022-01-25 22:51:13.5830.0400-0.240.9353.2
GBOSGU2022-01-25 22:51:07.0540.02000.530.742022-01-25 22:51:13.0740.04000.021.4453.5
MGROGU2022-01-25 22:51:08.0620.0200-0.250.772022-01-25 22:51:16.1410.0400-0.191.0662.2
RRLGU2022-01-25 22:51:09.1540.0200-0.011.572022-01-25 22:51:17.2940.1303-0.580.5267.9
ROROGU2022-01-25 22:51:10.6640.02000.430.852022-01-25 22:51:19.8430.04000.450.8675.5
CANOGU2022-01-25 22:51:12.3350.02000.131.342022-01-25 22:51:21.6980.0400-1.040.1784.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH-0.036.03e-216.4331
STV GUHH-0.011.73e-220.1150
ENR GUHH0.032.43e-225.7137
ISO FRHH-0.051.34e-227.1208
TURF FRHH-0.064.12e-349.0162
BHB GUHH0.381.00e-249.95
GBOS GUHH0.384.92e-353.5108
MGRO GUHH0.144.03e-362.2129
RRL GUHH0.293.15e-367.9331


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 GUHHZ1.3065e-51.3049e-64.3644e-71.2871e-77.8924e-81.4727e-52.0159e-61.3527e-72.2904e-816.4331
PZZ GUHHN1.3158e-51.3267e-64.5933e-71.6787e-71.0160e-72.0949e-51.8210e-61.7533e-73.0144e-816.4331
PZZ GUHHE1.1443e-51.2938e-64.6441e-71.5139e-77.1312e-82.2810e-51.5378e-61.1657e-72.5178e-816.4331
STV GUHHZ2.7271e-63.6776e-71.1691e-72.8613e-81.4599e-84.7697e-63.8615e-72.5719e-86.6768e-920.1150
STV GUHHN2.8428e-63.0051e-78.5624e-82.5844e-81.6788e-84.4018e-63.8321e-72.8254e-85.7548e-920.1150
STV GUHHE4.4425e-63.9783e-71.0988e-73.3089e-81.8941e-84.9065e-64.2806e-73.8979e-89.3765e-920.1150
ENR GUHHZ3.7353e-62.9028e-74.8394e-81.5717e-89.6643e-93.3012e-61.8199e-71.9440e-85.5299e-925.7137
ENR GUHHN1.0035e-59.2026e-71.0503e-73.6980e-82.1757e-85.2375e-64.2072e-75.4725e-81.5530e-825.7137
ENR GUHHE1.1160e-59.5276e-71.1691e-73.7953e-82.2470e-85.8519e-65.3459e-76.0779e-81.7420e-825.7137
ISO FRHHZ1.5188e-61.9114e-77.6622e-82.6451e-81.4766e-81.9217e-64.4807e-72.2323e-83.1691e-927.1208
ISO FRHHN1.4882e-61.2586e-73.5589e-81.5646e-87.4174e-91.5236e-61.4218e-71.3469e-82.1043e-927.1208
ISO FRHHE1.5334e-61.9007e-78.8711e-82.7646e-81.8334e-83.1653e-63.9955e-72.8691e-85.3753e-927.1208
TURF FRHHZ3.1301e-74.6274e-82.7513e-81.3362e-81.0217e-88.7398e-71.5280e-71.4252e-81.1108e-949.0162
TURF FRHHN3.9204e-76.1111e-83.4460e-81.4519e-81.1746e-81.5647e-61.4112e-71.4867e-81.5886e-949.0162
TURF FRHHE2.3540e-73.8009e-82.4251e-81.7089e-81.0789e-87.0904e-71.3057e-71.1868e-81.0278e-949.0162
BHB GUHHZ1.1254e-61.6122e-76.9337e-83.0375e-82.1343e-84.3338e-62.1767e-74.4007e-83.3136e-949.95
BHB GUHHN8.8249e-71.2320e-76.6165e-82.2595e-81.8209e-81.9806e-63.4254e-73.4007e-82.9848e-949.95
BHB GUHHE9.6634e-71.4164e-78.0072e-84.5836e-84.6840e-82.0475e-63.5730e-71.1000e-75.3216e-949.95
GBOS GUHHZ5.6133e-71.0539e-76.1718e-81.7903e-88.6710e-91.8235e-63.2381e-71.4304e-82.2079e-953.5108
GBOS GUHHN6.0657e-76.4764e-84.7481e-81.5031e-87.5358e-91.3372e-61.8343e-71.3343e-82.0145e-953.5108
GBOS GUHHE7.0072e-78.3923e-84.1704e-81.4334e-86.7220e-91.8824e-61.8476e-71.0478e-81.7711e-953.5108
MGRO GUHHZ3.6866e-72.7303e-81.6045e-81.0046e-88.8304e-93.5064e-71.0464e-79.4391e-99.0214e-1062.2129
MGRO GUHHN3.8502e-74.9519e-82.3569e-81.5709e-81.2977e-86.1135e-71.0328e-71.8667e-81.4586e-962.2129
MGRO GUHHE8.1818e-76.9456e-82.6961e-81.8057e-81.5277e-81.1203e-61.0695e-72.0632e-81.7864e-962.2129
RRL GUHHZ2.0145e-72.3607e-81.9658e-89.5971e-95.7099e-93.3574e-71.5303e-78.1015e-98.1232e-1067.9331
RRL GUHHN2.6023e-75.4710e-82.8554e-81.0853e-85.2597e-97.9595e-71.3811e-76.6732e-91.2105e-967.9331
RRL GUHHE2.4538e-74.2898e-83.0941e-81.2560e-86.4234e-98.4796e-71.2021e-71.1402e-81.0373e-967.9331
RORO GUHHZ4.6977e-75.4536e-82.9845e-81.1549e-89.4741e-98.1354e-71.1582e-71.3036e-81.1460e-975.5114
RORO GUHHN5.1598e-76.5351e-85.5061e-81.8521e-81.0072e-89.1707e-73.1053e-71.3886e-81.6295e-975.5114
RORO GUHHE6.4641e-67.7427e-75.6907e-75.8509e-73.6422e-73.6601e-63.2325e-64.7109e-73.6005e-875.5114
CANO GUHHZ4.0836e-76.2435e-84.4624e-81.9133e-81.7839e-89.0216e-73.7393e-73.0753e-81.9299e-984.8104
CANO GUHHN5.2325e-79.4623e-88.6178e-82.8252e-81.6142e-89.2815e-79.4710e-72.2552e-82.5469e-984.8104
CANO GUHHE5.0202e-71.0524e-77.8462e-83.5363e-82.4419e-82.2522e-64.7485e-73.2875e-82.8801e-984.8104
*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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