MANUAL Location - Area: Frignano , magnitude (ML): 1.7
2025-12-01 01:27:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-01 09:11:44

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Earthquake info - Manual location
Event - ID :251201012730
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2025-12-01 01:27:49.401 (UTC)
Location : Latitude: 44.539 N, Longitude: 10.248 E
Area :Frignano
Depth (km) :22.77
Distances (km) : 4.3 --- Tizzano Val Parma
7.4 --- Neviano Degli Arduini
8.7 --- Langhirano
9.3 --- Vetto
12.1 --- Palanzano
12.2 --- Calestano
12.4 --- Lesignano de Bagni
14.1 --- Ramiseto
14.4 --- Corniglio
14.4 --- Canossa
14.9 --- Terenzo
15.6 --- Traversetolo
16.6 --- Castelnovo ne Monti
17.0 --- San Polo d Enza
17.1 --- Monchio delle Corti
17.4 --- Felino
19.7 --- Busana
19.8 --- Sala Baganza
20.2 --- Casina
20.6 --- Fornovo di Taro

Quality location estimate: Erh: 0.8 km, Erz: 0.7 km, Nf: 60, Gap: 54 °, 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.
NEVIIV2025-12-01 01:27:54.5750.02000.291.202025-12-01 01:27:58.1690.0400-0.021.7724.4
GRAMGU2025-12-01 01:27:54.8000.01500.341.062025-12-01 01:27:58.3300.08020.101.6528.2
ERBMIV2025-12-01 01:27:55.3900.01500.011.862025-12-01 01:27:59.7000.0792-0.400.7930.1
GSCLGU2025-12-01 01:27:57.2400.0200-0.310.892025-12-01 01:28:03.3540.1193-0.281.1141.4
FIVIGU2025-12-01 01:27:56.7470.0200-0.021.832025-12-01 01:28:02.3600.04000.141.5641.6
BVTIT2025-12-01 01:27:57.7910.0200-0.101.592025-12-01 01:28:04.4030.04000.121.5846.5
SARMGU2025-12-01 01:27:57.6800.0231-0.320.872025-12-01 01:28:03.8200.1544-0.550.6347.6
EQUIGU2025-12-01 01:27:57.7500.0241-0.171.332025-12-01 01:28:04.6300.14140.440.8748.0
AULIT2025-12-01 01:27:57.8930.0200-0.011.812025-12-01 01:28:04.2860.04000.061.6448.4
VLCMN2025-12-01 01:27:58.3900.02410.191.432025-12-01 01:28:04.6500.1434-0.031.5149.4
VRLIT2025-12-01 01:27:59.4220.0200-0.111.542025-12-01 01:28:06.3670.0400-0.760.3856.2
CARIT2025-12-01 01:28:00.5890.0200-0.051.702025-12-01 01:28:08.1570.0400-0.930.2763.9
CARDGU2025-12-01 01:28:00.8400.03110.071.712025-12-01 01:28:09.7840.04000.840.2964.3
ZCCAIV2025-12-01 01:28:02.6590.02000.061.682025-12-01 01:28:11.7650.0400-0.710.4665.8
MSSAIV2025-12-01 01:28:00.9200.0341-0.520.592025-12-01 01:28:08.9580.0400-1.590.1067.3
CMEIT2025-12-01 01:28:01.4960.0200-0.061.652025-12-01 01:28:10.2380.0400-0.051.4969.1
POPMGU2025-12-01 01:28:02.8000.03510.450.802025-12-01 01:28:11.7900.04000.091.4872.1
CAVEIV2025-12-01 01:28:04.9430.02000.201.432025-12-01 01:28:18.3740.04001.010.2473.5
MAIMGU2025-12-01 01:28:03.2100.03710.400.942025-12-01 01:28:12.6990.04000.311.1575.8
RAVAIV2025-12-01 01:28:05.3660.02000.111.592025-12-01 01:28:16.8260.0400-1.320.1676.4
GORRGU2025-12-01 01:28:04.0270.02000.450.812025-12-01 01:28:14.2630.0400-0.231.1979.5
PIIIV2025-12-01 01:28:05.9800.0472-0.440.772025-12-01 01:28:18.7200.28670.121.1696.2
SERMIV2025-12-01 01:28:08.9680.02000.111.522025-12-01 01:28:22.0880.0400-1.790.08100.5
RNCAGU2025-12-01 01:28:08.0200.15970.920.272025-12-01 01:28:20.5990.04001.240.14105.6
TRESNI2025-12-01 01:28:09.7000.06130.490.772025-12-01 01:28:23.8270.7649-0.830.54109.6
SARZIV2025-12-01 01:28:11.9640.02002.390.002025-12-01 01:28:30.5090.04005.640.00113.9
PCPGU2025-12-01 01:28:12.8600.02001.220.002025-12-01 01:28:29.4200.04002.270.00136.9
OSSCIV2025-12-01 01:28:13.1500.02000.221.312025-12-01 01:28:29.5820.0400-0.360.95140.1
MDIIV2025-12-01 01:28:14.2520.0200-0.031.432025-12-01 01:28:32.6040.0400-0.810.50145.0
QLNOIV2025-12-01 01:28:14.9520.02000.870.312025-12-01 01:28:32.9090.04000.690.61154.6
ROTMGU2025-12-01 01:28:17.9540.02002.040.002025-12-01 01:28:40.3340.04004.930.00155.4
DOSSST2025-12-01 01:28:16.4200.0854-0.590.642025-12-01 01:28:36.6940.0400-1.000.38167.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
NEVI IVHN1.648.01e-124.447
GRAM GUHH2.133.48e+028.2250
ERBM IVEH1.777.27e-130.1135
GSCL GUHH1.693.24e-141.4128
FIVI GUHN1.723.45e-141.6196
BVT ITHN1.944.66e-146.5269
CARD GUHH1.488.11e-264.3162
ZCCA IVHH1.335.56e-265.8110
MSSA IVHH1.851.72e-167.3247
CME ITHN1.911.88e-169.1176
POPM GUHH1.391.06e-172.1143
MAIM GUHH1.464.84e-275.8164
GORR GUHH1.444.73e-279.5276
PII IVHH1.644.84e-296.2166
RNCA GUHH1.856.23e-2105.6266
SARZ IVHH2.211.19e-1113.9290
PCP GUHH1.551.77e-2136.9271
OSSC IVHH1.611.73e-2140.1144
MDI IVHH2.115.01e-2145.0343
QLNO IVHH1.771.92e-2154.6262
ROTM GUHH1.971.13e-1155.4284


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.
(°)
NEVI IVHNZ1.8386e-42.3636e-52.7537e-61.9336e-69.8776e-78.3041e-51.3372e-51.0885e-61.3185e-724.447
NEVI IVHNN1.0333e-41.2876e-55.9239e-62.4235e-61.1204e-68.8834e-53.1035e-51.4892e-61.7440e-724.447
NEVI IVHNE4.6233e-59.3112e-68.0812e-64.2416e-61.4761e-69.4595e-53.9008e-51.8115e-62.5497e-724.447
GRAM GUHHZ1.5631e-42.0179e-51.2550e-53.5978e-61.7843e-63.4427e-45.7342e-52.6291e-64.6928e-728.2250
GRAM GUHHN1.7130e-43.8581e-52.8215e-51.0299e-55.9796e-65.3429e-41.7675e-49.1293e-61.3198e-628.2250
GRAM GUHHE2.2308e-44.4658e-52.9895e-57.7125e-64.0370e-64.8991e-41.1464e-46.4380e-61.1133e-628.2250
ERBM IVEHZ2.5258e-54.6330e-62.9559e-61.6813e-69.4601e-77.7105e-51.6699e-59.7120e-71.2423e-730.1135
ERBM IVEHN6.1681e-51.1897e-56.8899e-62.1654e-69.9397e-71.2493e-41.8544e-51.4088e-63.0701e-730.1135
ERBM IVEHE3.4692e-57.2565e-65.0231e-62.0173e-69.3848e-71.0741e-41.6023e-51.1957e-61.5858e-730.1135
GSCL GUHHZ4.3510e-61.0899e-61.2068e-68.0550e-73.4589e-71.1598e-57.7379e-64.2838e-74.1801e-841.4128
GSCL GUHHN7.5369e-63.0091e-63.0447e-61.3377e-65.6188e-71.8680e-51.9269e-58.6898e-79.2454e-841.4128
GSCL GUHHE6.4357e-62.1113e-62.4140e-61.2070e-64.8049e-71.8109e-51.6337e-55.8362e-77.3043e-841.4128
FIVI GUHNZ5.2262e-56.1393e-62.8722e-61.2456e-65.1554e-78.4296e-51.1269e-56.5191e-71.0456e-741.6196
FIVI GUHNN2.9346e-54.7121e-63.2496e-61.1009e-65.7158e-75.1389e-51.5470e-58.3521e-71.1446e-741.6196
FIVI GUHNE2.0192e-54.7566e-63.3744e-61.0905e-65.3843e-76.1382e-51.5940e-57.4820e-71.1066e-741.6196
BVT ITHNZ7.7209e-61.3809e-61.2898e-65.3048e-72.3719e-72.1748e-56.6630e-63.1063e-74.1511e-846.5269
BVT ITHNN2.2213e-56.3003e-63.9294e-61.1087e-65.5686e-74.8233e-52.0972e-58.2423e-71.5665e-746.5269
BVT ITHNE1.4079e-53.4262e-62.8592e-61.0612e-64.9377e-74.2541e-51.8601e-56.9449e-79.1311e-846.5269
SARM GUEHZ6.1404e-68.5503e-76.2394e-71.9562e-78.4661e-82.3090e-54.4485e-61.1468e-71.8215e-847.6163
SARM GUEHN6.0030e-68.8890e-79.1915e-75.5550e-71.8630e-71.6320e-52.8475e-62.6213e-72.9585e-847.6163
SARM GUEHE4.3772e-67.0711e-76.2255e-74.1794e-71.4916e-71.1321e-53.3344e-61.7482e-72.0219e-847.6163
EQUI GUHHZ3.1392e-68.3386e-74.3729e-72.4870e-79.7703e-87.5065e-62.4109e-61.1875e-71.6200e-848.0190
EQUI GUHHN2.7895e-67.4613e-77.0114e-73.1627e-71.2985e-75.8113e-65.9898e-61.6895e-72.0299e-848.0190
EQUI GUHHE4.0238e-67.4923e-76.5036e-72.7685e-71.1825e-71.0477e-53.6016e-61.6308e-71.7167e-848.0190
VLC MNHHZ6.1373e-67.1201e-74.1846e-71.6538e-77.4525e-81.8843e-51.8685e-61.0083e-71.5132e-849.4165
VLC MNHHN4.6616e-67.3418e-74.5741e-73.0111e-71.5224e-71.4235e-51.4456e-61.4334e-71.8522e-849.4165
VLC MNHHE6.1479e-69.0716e-75.3078e-72.5177e-71.3474e-71.2809e-51.7630e-61.5885e-72.1920e-849.4165
CAR ITHNZ6.5804e-61.3485e-61.0468e-64.7710e-72.8987e-72.0783e-54.9069e-63.0070e-73.3300e-863.9237
CAR ITHNN2.4410e-56.2930e-63.9746e-61.0934e-65.6637e-76.4447e-52.0493e-57.8544e-71.4698e-763.9237
CAR ITHNE1.6564e-53.4564e-62.2950e-66.4562e-73.4812e-73.0199e-51.0049e-55.0909e-78.5641e-863.9237
CARD GUHHZ3.9341e-65.1963e-73.4815e-71.4371e-76.3105e-81.1810e-51.5081e-67.7259e-81.2278e-864.3162
CARD GUHHN5.9003e-61.2183e-67.9610e-73.3074e-71.3748e-72.2763e-52.4705e-61.8715e-72.9314e-864.3162
CARD GUHHE4.8647e-61.0768e-67.6126e-73.3559e-71.3413e-71.7641e-52.6894e-62.1367e-72.7752e-864.3162
ZCCA IVHHZ6.6777e-72.8966e-72.7830e-71.7953e-75.8872e-81.8830e-62.4646e-67.9005e-89.4067e-965.8110
ZCCA IVHHN7.4828e-73.7937e-73.9671e-73.2580e-71.0667e-71.6315e-61.9505e-61.1613e-71.3441e-865.8110
ZCCA IVHHE8.1076e-72.5287e-72.6531e-72.3822e-79.0460e-81.6077e-62.0768e-69.1103e-89.0065e-965.8110
MSSA IVHHZ3.3449e-66.7285e-75.7091e-73.3486e-71.8204e-71.1429e-54.0244e-62.6225e-72.8629e-867.3247
MSSA IVHHN6.5365e-61.4223e-61.1571e-64.3015e-71.8804e-72.6637e-56.7205e-62.4907e-74.0430e-867.3247
MSSA IVHHE6.2825e-62.0021e-61.3156e-65.7543e-73.5652e-71.7438e-58.2019e-65.0240e-76.6095e-867.3247
CME ITHNZ4.2031e-61.1258e-61.0037e-67.9704e-75.1747e-71.0523e-55.3283e-66.0269e-75.5351e-869.1176
CME ITHNN6.6588e-62.0943e-61.6296e-66.5546e-73.0936e-71.7533e-58.2220e-64.3377e-75.6509e-869.1176
CME ITHNE7.5333e-61.7818e-61.3003e-64.6913e-72.1967e-71.6801e-57.5569e-62.9050e-74.8417e-869.1176
POPM GUHHZ3.6812e-66.5860e-76.0744e-72.3963e-71.0478e-71.3555e-55.2184e-61.4683e-71.8206e-872.1143
POPM GUHHN3.9373e-61.1132e-61.0721e-63.8245e-71.9370e-71.0768e-57.3415e-62.6350e-73.0396e-872.1143
POPM GUHHE2.6182e-67.2881e-78.0646e-74.7912e-72.4177e-78.5789e-66.9102e-63.2182e-73.2590e-872.1143
MAIM GUHHZ8.3097e-72.3139e-71.9759e-71.0995e-73.9914e-82.8816e-68.7774e-75.4279e-86.9240e-975.8164
MAIM GUHHN1.5042e-64.5445e-74.2073e-72.0033e-79.4820e-85.0136e-62.7345e-61.3733e-71.3064e-875.8164
MAIM GUHHE1.3120e-64.1187e-73.5565e-72.3196e-71.0905e-74.0481e-62.5622e-61.1610e-71.4923e-875.8164
GORR GUHHZ1.7037e-63.1985e-72.7754e-71.2737e-75.4859e-86.0221e-61.2474e-67.3707e-81.0195e-879.5276
GORR GUHHN2.8282e-65.5420e-74.7406e-72.0950e-79.9986e-87.6539e-62.6395e-61.1503e-71.8981e-879.5276
GORR GUHHE2.0697e-64.6101e-74.4617e-71.6022e-78.0466e-85.2720e-62.4406e-61.0817e-71.3461e-879.5276
PII IVHHZ1.8110e-63.6474e-73.1380e-71.3302e-76.6483e-86.8788e-61.8351e-61.0445e-71.0815e-896.2166
PII IVHHN1.1559e-63.8404e-73.8004e-71.7238e-77.9791e-82.8846e-62.4547e-61.1737e-71.1825e-896.2166
PII IVHHE1.1880e-64.5225e-74.0866e-72.1832e-71.1664e-73.6094e-63.7867e-61.4304e-71.4614e-896.2166
RNCA GUHHZ2.4083e-64.1239e-73.2917e-71.4507e-78.8111e-87.7637e-61.9297e-61.0881e-71.2838e-8105.6266
RNCA GUHHN1.4866e-64.9900e-74.5338e-72.4822e-79.5704e-84.3159e-62.6541e-61.2755e-71.3311e-8105.6266
RNCA GUHHE3.1287e-66.9877e-75.9011e-72.7702e-71.3693e-78.5408e-63.0715e-62.1771e-72.0895e-8105.6266
SARZ IVHHZ9.6063e-72.1747e-72.0401e-71.0204e-75.3014e-83.1715e-61.3957e-67.5056e-87.7273e-9113.9290
SARZ IVHHN1.2988e-63.5054e-72.2473e-71.5257e-77.0284e-85.3230e-61.3802e-69.8386e-88.9728e-9113.9290
SARZ IVHHE8.6542e-72.6201e-72.3022e-72.4031e-72.4525e-72.1825e-61.2984e-65.1842e-73.7803e-8113.9290
PCP GUHHZ8.5781e-72.1575e-71.4945e-78.2646e-83.6977e-82.0462e-68.1234e-74.7808e-85.2943e-9136.9271
PCP GUHHN7.7388e-71.4671e-71.3763e-76.5201e-84.2219e-82.0269e-68.1121e-75.6786e-84.4491e-9136.9271
PCP GUHHE8.7762e-71.4229e-71.1075e-75.5092e-83.0885e-82.1470e-66.2288e-74.8849e-84.1013e-9136.9271
OSSC IVHHZ2.9215e-78.7307e-86.6108e-85.4060e-83.5293e-87.5118e-73.2428e-74.8310e-85.8226e-9140.1144
OSSC IVHHN2.2826e-76.1996e-86.3813e-84.7521e-81.8743e-88.2879e-72.8171e-72.2426e-82.1108e-9140.1144
OSSC IVHHE3.4326e-77.9035e-87.8557e-89.0100e-83.9491e-81.2109e-63.4604e-74.7548e-83.4228e-9140.1144
MDI IVHHZ6.8020e-71.1702e-71.0447e-73.9326e-81.7440e-82.2783e-64.8760e-72.4703e-83.2894e-9145.0343
MDI IVHHN9.2094e-71.8388e-71.6546e-79.1397e-85.8171e-83.6086e-68.7980e-78.9349e-88.0886e-9145.0343
MDI IVHHE1.3414e-63.4041e-71.5515e-75.0225e-82.7446e-84.6305e-66.6108e-73.5832e-84.8713e-9145.0343
QLNO IVHHZ5.0847e-78.1227e-85.8385e-82.6896e-82.4073e-81.3962e-63.3777e-73.0920e-83.5463e-9154.6262
QLNO IVHHN1.0231e-69.2954e-85.7916e-82.7707e-82.2814e-81.3675e-62.4476e-72.9171e-83.3962e-9154.6262
QLNO IVHHE7.4546e-71.4202e-77.1651e-85.8869e-87.9951e-81.4952e-63.6976e-71.3459e-71.6415e-8154.6262
ROTM GUHHZ1.6298e-63.0865e-72.7174e-71.8452e-78.2149e-84.6593e-61.9684e-61.3163e-79.9986e-9155.4284
ROTM GUHHN1.1649e-64.6540e-74.3540e-72.6681e-71.2517e-73.8208e-62.4860e-61.6332e-71.5376e-8155.4284
ROTM GUHHE1.4633e-63.6755e-73.3970e-72.0944e-79.6718e-83.0575e-62.1057e-61.2468e-71.1481e-8155.4284
*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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