MANUAL Location - Area: Francia , magnitude (ML): 2.0
2025-12-07 09:01:59 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-09 08:12:41

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Earthquake info - Manual location
Event - ID :251207090136
Magnitude (ML) :2.0 +/- 0.2
Origin Time :2025-12-07 09:01:59.772 (UTC)
Location : Latitude: 44.275 N, Longitude: 6.758 E
Area :Francia
Depth (km) :6.22
Distances (km) : 19.7 --- Argentera
23.2 --- Pietraporzio
26.2 --- Sambuco
29.0 --- Acceglio
32.8 --- Canosio
33.1 --- Prazzo
33.3 --- Vinadio
33.7 --- Marmora
37.0 --- Aisone
39.0 --- Stroppo
39.1 --- Castelmagno
39.6 --- Elva
39.8 --- Bellino
40.7 --- Celle di Macra
41.8 --- Macra
42.9 --- Casteldelfino
43.1 --- Demonte
44.2 --- Pontechianale
44.5 --- Pradleves
46.2 --- San Damiano Macra

Quality location estimate: Erh: 0.7 km, Erz: 0.9 km, Nf: 58, Gap: 97 °, Rms: 0.23


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.
SURFFR2025-12-07 09:02:04.7700.0170-0.021.672025-12-07 09:02:08.5490.10020.151.2824.1
ISOFR2025-12-07 09:02:05.3600.01300.041.642025-12-07 09:02:08.9620.1002-0.111.4726.3
VINDIV2025-12-07 09:02:06.5470.0200-0.111.512025-12-07 09:02:10.9410.0400-0.340.9934.0
PZZGU2025-12-07 09:02:07.4000.0190-0.151.412025-12-07 09:02:12.7200.1173-0.341.0339.1
STVGU2025-12-07 09:02:08.4900.02310.191.152025-12-07 09:02:14.2270.16040.270.9545.9
OGDIFR2025-12-07 09:02:08.9200.02310.071.542025-12-07 09:02:15.4790.1494-0.091.3646.8
MVIFFR2025-12-07 09:02:09.9500.02710.001.612025-12-07 09:02:16.8530.1002-0.680.4952.9
ENRGU2025-12-07 09:02:09.7400.02710.081.512025-12-07 09:02:17.6500.04001.350.0553.3
OGAGFR2025-12-07 09:02:10.6700.0301-0.291.102025-12-07 09:02:17.9900.1795-0.780.4060.0
TURFFR2025-12-07 09:02:11.2600.03110.041.552025-12-07 09:02:19.3920.2056-0.081.2460.9
ESCAFR2025-12-07 09:02:12.9900.03510.280.882025-12-07 09:02:21.7820.1002-0.241.1870.0
SAOFFR2025-12-07 09:02:13.2400.03610.001.532025-12-07 09:02:22.0100.5039-0.650.6271.5
RRLGU2025-12-07 09:02:12.9500.0361-0.121.462025-12-07 09:02:22.3600.2166-0.061.1972.3
BHBGU2025-12-07 09:02:13.2400.03710.091.422025-12-07 09:02:22.8600.23660.380.7474.3
MLIGIV2025-12-07 09:02:14.1670.0200-0.760.372025-12-07 09:02:25.3100.0400-0.141.2680.7
BURYGU2025-12-07 09:02:14.7800.0422-0.480.762025-12-07 09:02:27.6500.04001.420.0584.3
EILFFR2025-12-07 09:02:15.5000.04320.560.342025-12-07 09:02:25.3800.3768-0.080.9886.4
GBOSGU2025-12-07 09:02:15.2200.04320.081.402025-12-07 09:02:25.6720.04000.211.0586.5
MGROGU2025-12-07 09:02:15.4700.0492-0.570.612025-12-07 09:02:27.1800.2647-0.101.0888.0
BIGNGU2025-12-07 09:02:15.9000.0743-0.291.132025-12-07 09:02:31.4480.04003.810.0090.5
SNRMIT2025-12-07 09:02:16.7920.0200-0.221.262025-12-07 09:02:29.0290.0400-0.031.2296.5
IMIGU2025-12-07 09:02:17.2800.0552-0.271.172025-12-07 09:02:29.2880.5619-0.600.6399.5
OGMOFR2025-12-07 09:02:18.0550.0200-0.370.972025-12-07 09:02:30.5790.0400-1.010.24104.1
RSPGU2025-12-07 09:02:18.5800.05320.161.202025-12-07 09:02:31.8400.31670.350.76105.3
ROROGU2025-12-07 09:02:18.4600.0532-0.061.412025-12-07 09:02:32.0720.04000.750.28106.0
QLNOIV2025-12-07 09:02:21.8900.06330.111.242025-12-07 09:02:36.5670.0400-0.680.58126.6
LSDGU2025-12-07 09:02:23.2000.1115-0.241.172025-12-07 09:02:39.3910.0400-0.510.77135.2
ROTMGU2025-12-07 09:02:24.8730.02000.340.802025-12-07 09:02:42.7410.04000.320.80141.6
PCPGU2025-12-07 09:02:24.7700.07330.420.672025-12-07 09:02:41.4640.0400-0.430.84145.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
PZZ GUHH1.655.62e-139.148
STV GUHH1.681.74e-145.994
ENR GUHH1.874.06e-153.395
TURF FRHH1.992.97e-160.9123
ESCA FRHH1.972.09e-170.0135
SAOF FRHH1.598.40e-271.5116
RRL GUHH1.757.96e-272.32
BHB GUHH1.851.27e-174.333
BURY GUHH1.891.16e-184.3130
EILF FRHH2.433.81e-186.4160
GBOS GUHH2.191.11e-186.592
MGRO GUHH1.757.65e-288.0107
BIGN GUEH2.081.51e-190.5120
SNRM ITHN2.463.14e-196.5121
IMI GUHH2.071.62e-199.5114
RSP GUHH1.958.42e-2105.322
RORO GUHH2.211.40e-1106.099
QLNO IVHH1.965.06e-2126.687
LSD GUHH2.014.81e-2135.213
ROTM GUHH2.112.02e-1141.663
PCP GUHH1.933.66e-2145.178


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.
(°)
ISO FRHHZ4.0949e-55.0054e-61.5609e-64.0748e-72.0625e-74.7090e-54.7263e-64.5195e-71.0036e-726.3113
ISO FRHHN3.7483e-54.4494e-61.9396e-64.2721e-72.3212e-77.7125e-51.0150e-54.3659e-79.1305e-826.3113
ISO FRHHE3.6578e-55.5117e-61.7703e-65.3064e-72.7419e-79.9452e-55.7456e-64.2457e-71.1342e-726.3113
PZZ GUHHZ3.0839e-55.1220e-63.9894e-61.1250e-65.5297e-71.1405e-42.2166e-57.9900e-71.2210e-739.148
PZZ GUHHN4.2032e-56.7008e-64.3292e-61.8331e-67.7388e-71.3647e-41.6820e-51.0118e-61.5527e-739.148
PZZ GUHHE3.1032e-56.3349e-64.8423e-62.1695e-68.1334e-71.3508e-41.9112e-51.0237e-61.6307e-739.148
STV GUHHZ1.6760e-53.0312e-61.5827e-65.1441e-72.0954e-75.0458e-55.3096e-63.1695e-76.2636e-845.994
STV GUHHN2.0381e-52.5768e-61.5867e-65.3126e-72.2773e-74.5653e-56.7524e-63.3072e-75.9871e-845.994
STV GUHHE1.1445e-52.7625e-61.4594e-64.8361e-71.8284e-73.8791e-55.4554e-62.8944e-75.9343e-845.994
ENR GUHHZ3.9490e-54.6384e-61.9355e-66.0023e-72.8221e-78.5047e-58.8877e-64.7571e-71.0121e-753.395
ENR GUHHN8.0839e-59.0070e-63.8512e-61.0973e-65.0951e-71.4153e-41.9200e-58.9274e-72.1225e-753.395
ENR GUHHE8.4225e-58.8404e-63.4858e-69.8958e-74.5338e-71.7014e-41.2597e-57.6953e-71.7303e-753.395
OGAG FRHHZ3.8345e-61.0249e-68.9115e-73.3569e-71.5594e-71.3512e-54.8540e-62.1429e-72.8590e-860.0343
OGAG FRHHN3.3851e-61.0258e-69.0972e-73.3468e-71.3550e-71.1766e-55.0640e-61.7080e-72.4589e-860.0343
OGAG FRHHE3.4212e-69.8147e-78.8318e-73.9694e-71.8989e-76.3884e-65.5783e-61.9944e-72.6648e-860.0343
TURF FRHHZ1.1267e-53.6354e-62.9392e-61.3376e-65.5378e-72.3116e-51.4871e-57.8952e-71.0609e-760.9123
TURF FRHHN1.2651e-53.6042e-62.2058e-67.8661e-73.7097e-73.0824e-51.0563e-55.4182e-78.9044e-860.9123
TURF FRHHE9.0002e-62.6029e-62.6165e-61.1100e-63.4653e-72.3530e-51.7022e-54.8029e-77.2602e-860.9123
ESCA FRHHZ8.3078e-61.9787e-69.6863e-73.5976e-71.5102e-71.3921e-55.0749e-62.1467e-73.0678e-870.0135
ESCA FRHHN1.2063e-51.9663e-61.4880e-66.5195e-72.4645e-72.7496e-51.0821e-53.4554e-75.0035e-870.0135
ESCA FRHHE1.3076e-52.7610e-61.8439e-65.5313e-72.5380e-73.7962e-58.2578e-63.9163e-76.6577e-870.0135
SAOF FRHHZ3.0664e-66.6618e-76.3510e-73.2332e-71.4824e-79.3098e-63.8744e-61.6480e-72.2635e-871.5116
SAOF FRHHN3.1217e-69.3531e-77.4127e-73.4678e-71.5777e-71.3857e-54.2230e-62.0245e-72.4647e-871.5116
SAOF FRHHE3.1703e-66.7884e-75.2992e-72.4624e-71.1147e-71.1543e-52.6903e-61.3515e-72.0601e-871.5116
RRL GUHHZ3.7676e-65.9371e-74.2257e-72.0923e-71.0337e-79.3945e-61.7174e-61.2269e-71.6846e-872.32
RRL GUHHN4.9605e-69.2797e-78.8514e-72.9961e-71.1857e-72.0773e-53.4888e-61.6955e-72.6330e-872.32
RRL GUHHE4.6128e-67.7815e-76.8399e-73.1347e-71.3456e-71.5849e-53.1109e-61.6885e-71.9445e-872.32
BHB GUHHZ1.2787e-52.0452e-61.2596e-63.5537e-71.6073e-76.7604e-55.2946e-62.4500e-75.1641e-874.333
BHB GUHHN9.6192e-62.0097e-61.1330e-63.2429e-71.6159e-73.6350e-54.9506e-62.4598e-74.3766e-874.333
BHB GUHHE1.0083e-51.6898e-61.0176e-65.4074e-72.4622e-74.7723e-54.7075e-64.0776e-73.6567e-874.333
BURY GUHHZ6.4998e-68.6650e-77.0395e-73.1324e-71.0515e-71.9307e-53.5978e-61.4225e-72.0062e-884.3130
BURY GUHHN1.1039e-51.7188e-69.0930e-72.4714e-71.4156e-73.3654e-53.7618e-61.7750e-74.0336e-884.3130
BURY GUHHE9.7051e-61.8280e-61.1530e-63.0846e-71.4523e-74.3716e-55.4790e-62.3804e-74.4130e-884.3130
EILF FRHHZ3.3734e-54.8025e-62.1528e-66.1076e-72.6860e-77.1648e-57.8012e-64.2732e-71.0797e-786.4160
EILF FRHHN3.4978e-56.5050e-64.3909e-61.0084e-65.1444e-71.1998e-41.6453e-57.2003e-71.4654e-786.4160
EILF FRHHE4.2832e-56.3219e-63.2307e-69.8220e-74.4454e-79.4547e-51.5114e-56.0689e-71.5378e-786.4160
GBOS GUHHZ6.6020e-61.2017e-69.4108e-72.6650e-71.1614e-72.8357e-53.6458e-61.8109e-73.0000e-886.592
GBOS GUHHN6.5684e-61.3774e-61.1203e-64.1378e-71.9441e-71.9932e-53.8668e-62.6888e-73.4452e-886.592
GBOS GUHHE1.2107e-51.8258e-61.0607e-63.6112e-71.3440e-74.6705e-54.1197e-62.0001e-74.1867e-886.592
MGRO GUHHZ4.5272e-66.7150e-76.0197e-73.1469e-79.9904e-81.2258e-53.6470e-61.2854e-71.7299e-888.0107
MGRO GUHHN5.8262e-68.4285e-77.0624e-73.3638e-71.0664e-71.5614e-53.3115e-61.4617e-71.9713e-888.0107
MGRO GUHHE4.7090e-61.0414e-66.8790e-72.3391e-79.2405e-81.7437e-53.2074e-61.3845e-72.0940e-888.0107
BIGN GUEHZ1.4290e-52.0526e-61.1930e-62.8622e-71.4817e-73.9340e-55.0847e-62.4524e-74.8229e-890.5120
BIGN GUEHN1.8320e-52.7674e-61.4632e-63.3520e-72.0181e-74.8031e-54.4765e-63.0773e-76.5273e-890.5120
BIGN GUEHE2.1831e-52.4881e-61.2434e-63.4700e-71.8627e-75.5545e-54.3619e-62.7851e-74.9830e-890.5120
SNRM ITHNZ1.1903e-52.4974e-61.5129e-64.8458e-72.4259e-73.5926e-55.7025e-63.7671e-76.3100e-896.5121
SNRM ITHNN1.9653e-53.9108e-63.6358e-61.2576e-65.1041e-79.8337e-51.2285e-58.3457e-71.0798e-796.5121
SNRM ITHNE1.7542e-53.7812e-62.5109e-66.1544e-73.3121e-76.9235e-51.1938e-55.0545e-78.4493e-896.5121
IMI GUHHZ9.1948e-61.3680e-69.3736e-73.4023e-71.5001e-73.5163e-54.3470e-62.2133e-73.1676e-899.5114
IMI GUHHN1.5760e-52.3466e-61.4422e-63.7706e-71.7868e-73.8709e-56.1557e-62.6740e-75.3598e-899.5114
IMI GUHHE1.1401e-52.3977e-61.5003e-63.7158e-72.2074e-73.6075e-58.2842e-63.4126e-75.7186e-899.5114
RSP GUHHZ5.6796e-67.8740e-75.1634e-71.8557e-78.3163e-81.2790e-52.9555e-61.1963e-71.9784e-8105.322
RSP GUHHN5.9491e-61.1882e-68.1761e-72.6090e-71.1503e-72.1906e-53.3505e-61.9196e-73.3174e-8105.322
RSP GUHHE6.2928e-61.1910e-68.5635e-72.5761e-71.2133e-72.7842e-54.7881e-61.7456e-73.1292e-8105.322
RORO GUHHZ5.4071e-61.2414e-67.5419e-72.8447e-71.5867e-71.4084e-53.6334e-62.4237e-72.6078e-8106.099
RORO GUHHN5.7810e-61.1792e-68.7554e-72.6604e-71.1198e-71.6316e-54.5657e-61.6206e-72.9869e-8106.099
RORO GUHHE4.6939e-68.1207e-76.1614e-71.5479e-77.2525e-81.3145e-53.0557e-61.1328e-71.8021e-8106.099
QLNO IVHHZ2.8233e-64.7056e-73.4426e-71.2825e-76.2287e-86.4572e-62.2793e-68.9545e-81.1091e-8126.687
QLNO IVHHN2.9427e-66.4333e-74.6605e-72.3357e-79.1406e-81.0144e-51.8202e-61.2235e-71.7306e-8126.687
QLNO IVHHE2.8741e-65.8361e-75.1670e-72.0919e-77.4214e-88.3409e-63.2020e-69.9318e-81.8019e-8126.687
LSD GUHHZ1.5453e-62.7626e-72.5959e-78.9356e-83.2947e-85.8977e-61.2577e-64.6596e-88.4487e-9135.213
LSD GUHHN1.4777e-63.9268e-72.9657e-71.1783e-75.5965e-84.8520e-61.8247e-67.0004e-89.6369e-9135.213
LSD GUHHE1.9974e-65.2410e-74.0417e-71.5892e-76.8363e-86.5205e-61.7960e-69.2160e-81.2689e-8135.213
ROTM GUHHZ2.7227e-65.6190e-74.4700e-71.9505e-78.5439e-89.1954e-62.3513e-61.1672e-71.4481e-8141.663
ROTM GUHHN4.4182e-61.1702e-67.6960e-74.4764e-71.9499e-79.0763e-63.6548e-62.5015e-72.7576e-8141.663
ROTM GUHHE3.2222e-61.1393e-66.9030e-75.5729e-74.3608e-71.1355e-54.2326e-65.3554e-77.1663e-8141.663
PCP GUHHZ1.5818e-64.0873e-72.8806e-71.7502e-77.0803e-85.0903e-61.4354e-69.2832e-88.5850e-9145.178
PCP GUHHN1.1292e-62.7925e-72.0375e-71.0347e-73.6848e-82.6236e-61.1120e-64.4540e-87.7551e-9145.178
PCP GUHHE1.8074e-64.7341e-72.5011e-79.1068e-84.5018e-84.0284e-61.7598e-67.1687e-89.1796e-9145.178
*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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