MANUAL Location - Area: Val di Taro , magnitude (ML): 1.6
2025-10-25 13:38:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-27 07:50:13

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Earthquake info - Manual location
Event - ID :251025133818
Magnitude (ML) :1.6 +/- 0.2
Origin Time :2025-10-25 13:38:34.463 (UTC)
Location : Latitude: 44.638 N, Longitude: 10.118 E
Area :Val di Taro
Depth (km) :21.34
Distances (km) : 3.7 --- Terenzo
4.1 --- Calestano
6.1 --- Fornovo di Taro
10.0 --- Varano de Melegari
11.2 --- Solignano
12.0 --- Felino
12.2 --- Langhirano
12.5 --- Sala Baganza
13.4 --- Medesano
14.4 --- Lesignano de Bagni
14.5 --- Tizzano Val Parma
15.0 --- Collecchio
16.9 --- Neviano Degli Arduini
17.4 --- Berceto
18.2 --- Corniglio
18.3 --- Pellegrino Parmense
19.8 --- Noceto
20.1 --- Valmozzola
20.9 --- Traversetolo
21.6 --- Varsi

Quality location estimate: Erh: 0.8 km, Erz: 1 km, Nf: 32, Gap: 111 °, Rms: 0.21


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.
NEVIIV2025-10-25 13:38:40.1700.02000.041.612025-10-25 13:38:44.5750.0400-0.091.4227.6
GRAMGU2025-10-25 13:38:39.9800.01500.360.772025-10-25 13:38:43.7900.08520.340.8527.9
BVTIT2025-10-25 13:38:41.7010.0200-0.021.642025-10-25 13:38:47.3950.04000.251.0238.9
VRLIT2025-10-25 13:38:43.8670.0200-0.051.552025-10-25 13:38:50.8920.0400-0.051.3351.7
AULIT2025-10-25 13:38:44.0450.02000.051.522025-10-25 13:38:51.5950.04000.540.5353.6
GSCLGU2025-10-25 13:38:45.0080.0200-0.021.552025-10-25 13:38:52.6790.1665-0.390.6053.8
EQUIGU2025-10-25 13:38:44.0560.0200-0.580.182025-10-25 13:38:52.2470.04000.041.3456.9
SARMGU2025-10-25 13:38:45.1900.0311-0.121.292025-10-25 13:38:53.5600.18250.011.1759.7
VLCMN2025-10-25 13:38:45.7100.03210.241.012025-10-25 13:38:54.3900.18750.610.5161.4
CARIT2025-10-25 13:38:45.7200.02000.111.352025-10-25 13:38:53.6360.0400-0.300.7562.7
MSSAIV2025-10-25 13:38:45.8600.0361-0.061.452025-10-25 13:38:54.4500.2416-0.051.0563.6
GORRGU2025-10-25 13:38:47.6970.02000.800.212025-10-25 13:38:56.3270.0400-0.171.0568.9
CMEIT2025-10-25 13:38:48.6500.0200-0.041.412025-10-25 13:38:58.8260.0400-0.240.9080.4
POPMGU2025-10-25 13:38:50.2900.04420.380.792025-10-25 13:39:01.8930.04000.670.4486.1
RNCAGU2025-10-25 13:38:51.4310.02000.440.682025-10-25 13:39:03.5860.04001.090.1296.7
TRESNI2025-10-25 13:38:53.2300.05120.011.312025-10-25 13:39:07.4770.6169-0.230.60101.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
NEVI IVHN1.841.01e+027.6111
BVT ITHN1.885.66e-138.9248
GSCL GUHH1.571.46e-153.8130
EQUI GUHH1.215.64e-256.9177
SARM GUEH1.551.35e-159.7156
VLC MNHH1.455.99e-261.4158
CAR ITHN1.831.95e-162.7222
MSSA IVHH1.529.25e-263.6233
GORR GUHH1.641.01e-168.9267
CME ITHN1.891.28e-180.4169
POPM GUHH1.397.09e-286.1142
RNCA GUHH1.929.05e-296.7259


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 IVHNZ4.4986e-56.1287e-63.8183e-62.4888e-61.1208e-61.0553e-41.8695e-51.3822e-61.5720e-727.6111
NEVI IVHNN2.7789e-57.5851e-68.0912e-63.4298e-61.4628e-64.9091e-54.0862e-51.9505e-62.3880e-727.6111
NEVI IVHNE3.5235e-51.2701e-59.6320e-64.2963e-62.0275e-67.6146e-56.8949e-52.9845e-63.6787e-727.6111
GRAM GUHHZ1.5762e-41.9968e-51.3803e-54.0840e-61.9667e-61.9140e-47.3343e-52.9670e-64.1714e-727.9194
GRAM GUHHN1.3538e-44.2359e-53.1387e-51.3398e-56.3583e-62.6397e-42.1509e-49.0452e-61.2682e-627.9194
GRAM GUHHE7.3834e-52.3517e-52.1282e-58.1882e-63.3510e-61.8332e-41.9604e-44.4677e-66.5112e-727.9194
BVT ITHNZ1.0843e-52.2204e-62.0059e-67.8336e-73.3398e-72.7862e-51.2578e-54.1331e-76.2815e-838.9248
BVT ITHNN1.5480e-54.6384e-63.9130e-62.2819e-61.1790e-65.4246e-52.9364e-51.3972e-61.5734e-738.9248
BVT ITHNE1.6687e-54.7834e-64.3867e-61.7634e-68.0301e-74.7670e-52.5262e-59.7289e-71.2556e-738.9248
GSCL GUHHZ2.4988e-65.0779e-74.7259e-73.8940e-72.3894e-77.1946e-62.5431e-62.1930e-72.0538e-853.8130
GSCL GUHHN5.3140e-68.2978e-79.2782e-76.4114e-72.9662e-76.2097e-64.6838e-63.3634e-72.3853e-853.8130
GSCL GUHHE6.3616e-61.2502e-61.1381e-66.8361e-73.4718e-77.0039e-67.5059e-64.3011e-74.2736e-853.8130
EQUI GUHHZ2.7731e-64.8777e-74.2147e-72.2513e-78.7411e-84.8758e-62.1795e-61.1372e-71.3171e-856.9177
EQUI GUHHN2.3975e-64.9217e-74.2289e-72.9145e-71.1764e-77.5374e-62.0105e-61.5888e-71.4183e-856.9177
EQUI GUHHE2.1905e-65.1637e-75.0729e-72.7424e-71.2219e-74.7576e-62.5865e-61.5743e-71.4414e-856.9177
SARM GUEHZ3.3857e-66.6920e-75.8302e-73.1273e-71.2579e-71.0889e-53.0339e-61.7095e-71.6299e-859.7156
SARM GUEHN4.0079e-61.1210e-61.1210e-67.9894e-72.8424e-71.0042e-54.9945e-63.5489e-73.2817e-859.7156
SARM GUEHE2.8702e-67.3133e-77.0910e-74.7723e-71.6951e-71.1613e-53.9605e-61.9322e-71.9853e-859.7156
VLC MNHHZ3.2688e-65.5646e-73.4368e-72.3492e-71.1023e-74.5500e-61.5856e-61.3147e-71.7360e-861.4158
VLC MNHHN2.9762e-65.2956e-74.3707e-73.6819e-72.4430e-77.4844e-61.6631e-62.6020e-71.9608e-861.4158
VLC MNHHE3.8323e-65.9883e-74.8911e-72.9091e-71.4766e-78.7071e-61.7109e-62.0583e-72.3088e-861.4158
CAR ITHNZ5.0182e-69.4740e-76.7348e-73.4240e-72.3200e-71.1327e-54.1116e-63.6581e-72.5889e-862.7222
CAR ITHNN1.1475e-53.2574e-61.9660e-68.3138e-74.7851e-73.7768e-59.3394e-65.8753e-71.0000e-762.7222
CAR ITHNE8.3956e-61.8967e-61.4335e-65.8381e-73.1761e-72.5674e-56.2361e-64.7584e-74.9663e-862.7222
MSSA IVHHZ5.8318e-67.5401e-73.9483e-71.8631e-78.5860e-81.0592e-51.9634e-61.2303e-71.5410e-863.6233
MSSA IVHHN4.0678e-69.9257e-78.5980e-72.6832e-71.2529e-71.1160e-55.9768e-61.9663e-72.6129e-863.6233
MSSA IVHHE3.0172e-66.9519e-76.1498e-72.2302e-71.1801e-78.7721e-64.1084e-61.6652e-72.0386e-863.6233
GORR GUHHZ3.6841e-65.8315e-74.8462e-73.1777e-71.4428e-75.9499e-63.4466e-61.7557e-71.4786e-868.9267
GORR GUHHN2.7968e-68.8978e-78.7379e-75.5087e-71.8898e-75.2077e-65.3375e-62.2645e-72.4626e-868.9267
GORR GUHHE3.4806e-67.5932e-76.4429e-73.3340e-71.2190e-78.3556e-63.0803e-61.7037e-72.1118e-868.9267
CME ITHNZ4.2423e-68.8722e-77.9183e-74.2170e-72.8123e-77.2430e-63.9195e-64.4555e-72.3520e-880.4169
CME ITHNN5.5507e-61.3860e-61.2780e-64.7361e-73.0535e-71.1630e-57.8568e-64.3806e-74.4943e-880.4169
CME ITHNE4.1253e-61.0143e-69.7376e-74.6659e-73.0832e-71.1496e-56.8497e-64.7187e-73.1328e-880.4169
POPM GUHHZ2.3851e-63.4723e-73.2969e-71.3120e-75.9892e-89.7813e-61.5038e-69.4405e-89.7167e-986.1142
POPM GUHHN1.9773e-65.5716e-75.3755e-72.0093e-71.0481e-78.3555e-63.1658e-61.6090e-71.7455e-886.1142
POPM GUHHE1.9591e-66.1756e-75.7691e-72.8335e-71.2081e-75.7240e-63.6973e-61.4329e-71.9209e-886.1142
RNCA GUHHZ1.7596e-66.7863e-75.5719e-72.4986e-71.1640e-75.1459e-62.6743e-61.6160e-71.7479e-896.7259
RNCA GUHHN2.1721e-67.3490e-77.7284e-74.2025e-71.6263e-74.7278e-64.4322e-62.4038e-72.5607e-896.7259
RNCA GUHHE2.6855e-67.0066e-77.5744e-73.2523e-71.4248e-79.2325e-64.8432e-62.0519e-72.2088e-896.7259
*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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