MANUAL Location - Area: Val di Taro , magnitude (ML): 1.3
2025-10-28 04:29:42 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-28 07:24:32

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Earthquake info - Manual location
Event - ID :251028042918
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-10-28 04:29:42.491 (UTC)
Location : Latitude: 44.503 N, Longitude: 9.644 E
Area :Val di Taro
Depth (km) :8.91
Distances (km) : 1.1 --- Bedonia
1.6 --- Compiano
2.5 --- Tornolo
7.6 --- Albareto
9.9 --- Borgo Val di Taro
14.5 --- Varese Ligure
15.9 --- Bardi
16.2 --- Santo Stefano d Aveto
19.2 --- Zeri
19.6 --- Ferriere
20.2 --- Maissana
20.3 --- Valmozzola
20.5 --- Rezzoaglio
22.2 --- Borzonasca
23.4 --- Sesta Godano
23.5 --- Pontremoli
23.9 --- Zignago
24.0 --- Varsi
24.2 --- Farini
24.9 --- Mezzanego

Quality location estimate: Erh: 1.2 km, Erz: 1.3 km, Nf: 50, Gap: 137 °, Rms: 0.32


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.
BVTIT2025-10-28 04:29:45.1880.0200-0.251.292025-10-28 04:29:47.2480.0400-0.361.1512.9
VRLIT2025-10-28 04:29:45.5590.02000.021.592025-10-28 04:29:47.7810.0400-0.021.5815.2
MSSAIV2025-10-28 04:29:47.0200.0150-0.251.282025-10-28 04:29:50.3440.0732-0.600.8225.1
CARIT2025-10-28 04:29:47.9680.0200-0.031.582025-10-28 04:29:52.0740.0400-0.051.4830.0
GORRGU2025-10-28 04:29:47.7900.0170-0.650.752025-10-28 04:29:51.8400.1013-1.290.1631.6
GRAMGU2025-10-28 04:29:49.0600.02110.071.372025-10-28 04:29:54.0700.10930.520.2134.9
TGLIT2025-10-28 04:29:48.9960.0200-0.710.672025-10-28 04:29:54.0810.0400-1.100.2339.3
AULIT2025-10-28 04:29:50.2210.02000.121.082025-10-28 04:29:55.9940.04000.360.3742.9
PLMAIV2025-10-28 04:29:50.4820.0200-1.610.042025-10-28 04:29:58.8230.1925-0.520.9653.8
RNCAGU2025-10-28 04:29:52.0710.0200-0.021.502025-10-28 04:29:58.7200.2146-0.321.1755.8
EQUIGU2025-10-28 04:29:52.1380.0200-0.401.102025-10-28 04:29:59.5630.1695-0.231.2656.0
RNSIT2025-10-28 04:29:52.4360.0200-0.391.122025-10-28 04:29:59.7720.0400-0.780.5857.7
GNVIT2025-10-28 04:29:52.4770.02000.011.472025-10-28 04:29:59.6440.0400-0.021.3357.8
ERBMIV2025-10-28 04:29:54.1300.03410.001.432025-10-28 04:30:03.0980.04000.560.2162.5
SARMGU2025-10-28 04:29:54.9000.0381-0.321.242025-10-28 04:30:04.0420.1002-0.481.0170.6
GSCLGU2025-10-28 04:29:56.7500.0412-0.171.382025-10-28 04:30:07.4300.0400-0.281.2277.5
CMEIT2025-10-28 04:29:55.9640.0200-0.740.642025-10-28 04:30:06.0930.0400-1.220.2381.0
CARDGU2025-10-28 04:29:57.4380.02000.131.062025-10-28 04:30:07.8560.1002-0.371.1385.8
PCPGU2025-10-28 04:29:56.9800.0432-0.121.412025-10-28 04:30:07.2390.1002-0.261.2187.7
BDIIV2025-10-28 04:29:57.8800.1486-0.510.982025-10-28 04:30:09.2640.0400-0.770.6490.8
MAIMGU2025-10-28 04:29:58.5880.0200-0.251.312025-10-28 04:30:09.9230.0400-0.970.4294.6
POPMGU2025-10-28 04:30:00.8600.14060.480.332025-10-28 04:30:12.9200.3057-0.550.87102.7
QLNOIV2025-10-28 04:29:59.9110.0200-0.251.312025-10-28 04:30:12.4440.0400-0.530.94105.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BVT ITHN1.602.35e+012.969
MSSA IVHH0.961.60e-125.1206
CAR ITHN1.302.46e-130.0184
GORR GUHH1.382.73e-131.6293
GRAM GUHH1.232.88e-134.992
TGL ITHN1.221.23e-139.3275
PLMA IVHH1.175.71e-253.8162
RNCA GUHH1.611.47e-155.8267
EQUI GUHH0.993.53e-256.0133
RNS ITHN1.469.89e-257.7281
GNV ITHG1.481.03e-157.8262
ERBM IVEH1.023.02e-262.598
SARM GUEH1.063.04e-270.6120
GSCL GUHH1.333.84e-277.5102
CME ITHN1.616.64e-281.0139
CARD GUHH1.788.55e-285.8128
PCP GUHH1.061.71e-287.7273
BDI IVHH1.323.29e-290.8123
MAIM GUHH1.342.22e-294.6134
POPM GUHH1.344.20e-2102.7120
QLNO IVHH1.231.50e-2105.3260


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.
(°)
BVT ITHNZ2.1345e-42.2963e-56.6252e-62.7131e-61.4077e-61.0906e-44.0705e-51.5244e-62.2855e-712.969
BVT ITHNN1.4818e-43.2209e-51.8064e-57.4820e-64.1395e-64.1357e-41.2322e-45.8681e-66.1323e-712.969
BVT ITHNE1.3684e-42.1571e-59.7467e-63.3964e-62.1132e-63.3944e-46.0110e-53.6044e-65.8817e-712.969
MSSA IVHHZ1.1973e-51.7490e-61.1763e-63.4279e-71.6964e-72.3330e-54.9168e-62.5507e-74.7980e-825.1206
MSSA IVHHN8.8190e-61.3056e-69.3311e-72.7944e-71.2243e-72.3670e-54.0200e-62.0088e-73.5381e-825.1206
MSSA IVHHE1.0947e-52.0312e-61.4427e-65.1278e-72.6090e-72.5119e-56.0484e-64.2169e-75.6541e-825.1206
CAR ITHNZ1.3716e-51.9796e-69.1372e-74.0426e-71.9115e-72.7432e-54.2181e-62.5270e-74.3436e-830.0184
CAR ITHNN2.1649e-52.8380e-61.2410e-64.1928e-72.6098e-74.4672e-55.0993e-64.8417e-76.7535e-830.0184
CAR ITHNE2.8876e-53.6669e-62.0664e-68.1935e-73.9369e-75.4007e-51.0637e-55.4189e-77.3335e-830.0184
GORR GUHHZ1.5385e-52.1534e-61.7398e-68.2934e-73.2659e-73.3876e-59.2765e-64.6335e-76.3497e-831.6293
GORR GUHHN1.7613e-53.2496e-62.2340e-68.5489e-74.1178e-75.6355e-51.1823e-55.0424e-78.0825e-831.6293
GORR GUHHE1.4397e-52.4161e-62.0163e-67.9708e-73.2189e-73.8738e-51.3156e-54.4106e-77.2074e-831.6293
GRAM GUHHZ2.6285e-52.3520e-61.1723e-63.7119e-71.8826e-71.9306e-55.8112e-62.7076e-75.2479e-834.992
GRAM GUHHN1.9582e-52.8813e-62.4167e-67.9103e-72.8935e-74.8480e-51.6474e-54.0645e-77.1995e-834.992
GRAM GUHHE1.5790e-53.1971e-62.7053e-68.9779e-73.8932e-73.7487e-51.6767e-55.1507e-77.9999e-834.992
TGL ITHNZ1.2157e-51.2515e-68.2550e-74.5054e-72.0354e-72.6809e-53.2841e-62.9360e-73.5858e-839.3275
TGL ITHNN1.5613e-51.9014e-61.1005e-64.2977e-72.3267e-72.7077e-55.6386e-62.7200e-74.2259e-839.3275
TGL ITHNE1.4149e-51.5603e-61.0226e-63.6414e-71.8254e-72.4561e-55.6875e-62.2914e-73.8307e-839.3275
PLMA IVHHZ5.9119e-64.8028e-72.8474e-71.3674e-79.3900e-89.5497e-61.5730e-61.2618e-71.2423e-853.8162
PLMA IVHHN1.1412e-51.2140e-65.5308e-72.8947e-71.6353e-72.1575e-52.0148e-62.1630e-72.3828e-853.8162
PLMA IVHHE7.4095e-69.0510e-74.7598e-71.9626e-71.0258e-71.4862e-51.9755e-61.4946e-71.7173e-853.8162
RNCA GUHHZ9.6602e-61.4278e-66.4139e-71.8079e-71.0669e-73.4295e-52.6938e-61.7414e-73.6320e-855.8267
RNCA GUHHN1.0339e-51.5760e-69.1926e-73.0876e-71.4561e-71.7733e-54.5599e-62.1742e-73.5837e-855.8267
RNCA GUHHE1.4854e-52.5546e-61.1230e-62.9173e-71.7209e-75.4950e-53.6520e-62.9959e-76.3622e-855.8267
EQUI GUHHZ3.0280e-63.7528e-72.0574e-78.5256e-84.7408e-84.4686e-68.5616e-77.9027e-89.8072e-956.0133
EQUI GUHHN3.5274e-64.9837e-72.5851e-71.2098e-74.9124e-86.4683e-61.4893e-66.8768e-81.1139e-856.0133
EQUI GUHHE3.8390e-64.1407e-72.9631e-72.3557e-71.0818e-76.5169e-61.5376e-61.0845e-71.0493e-856.0133
RNS ITHNZ5.3162e-69.1919e-75.5361e-74.5459e-74.1260e-71.4204e-52.2268e-65.4763e-78.3591e-857.7281
RNS ITHNN7.0966e-61.2392e-66.9186e-73.1603e-71.5825e-71.5627e-52.3860e-61.8799e-72.6542e-857.7281
RNS ITHNE6.1933e-61.3946e-68.2642e-73.4081e-71.8757e-72.4439e-53.4114e-62.6512e-73.6374e-857.7281
GNV ITHGZ6.0352e-67.8807e-74.9924e-73.6903e-72.1321e-71.6652e-51.8290e-63.4924e-71.9240e-857.8262
GNV ITHGN9.5970e-61.4882e-69.2312e-74.2163e-72.2272e-72.8111e-54.2267e-63.4834e-73.4095e-857.8262
GNV ITHGE1.3689e-51.7048e-61.1777e-63.8222e-71.8717e-74.2464e-55.4006e-62.4964e-74.0729e-857.8262
ERBM IVEHZ1.3582e-62.5000e-71.4587e-71.5602e-71.5743e-74.2846e-67.6700e-73.0432e-73.2562e-862.598
ERBM IVEHN1.4174e-63.4895e-72.5357e-71.5287e-76.4030e-85.4662e-61.3703e-68.5471e-81.1254e-862.598
ERBM IVEHE2.3660e-63.5943e-72.0299e-71.1666e-76.9744e-86.1041e-68.5155e-71.2219e-78.3615e-962.598
SARM GUEHZ1.3415e-62.4644e-71.3292e-73.8982e-81.8972e-82.3167e-61.0256e-63.1008e-84.1486e-970.6120
SARM GUEHN1.5085e-63.4605e-72.9048e-71.3524e-75.4050e-84.8149e-61.2672e-67.5669e-81.0284e-870.6120
SARM GUEHE1.1688e-62.0216e-71.7274e-77.5867e-83.5908e-82.5609e-61.2549e-65.3174e-85.6806e-970.6120
GSCL GUHHZ9.1457e-71.5750e-71.0005e-74.4750e-82.7969e-82.0977e-67.8808e-74.4198e-83.2288e-977.5102
GSCL GUHHN7.4115e-72.7102e-72.7115e-71.6123e-78.2184e-81.9073e-62.0071e-69.6681e-81.0873e-877.5102
GSCL GUHHE6.3900e-72.5726e-72.8462e-71.6464e-77.2420e-81.3413e-62.2513e-69.3159e-89.8271e-977.5102
CME ITHNZ3.5744e-65.8127e-73.8445e-73.0015e-71.9139e-77.8481e-61.8210e-62.6308e-71.9663e-881.0139
CME ITHNN4.2620e-67.6260e-75.5913e-72.8832e-71.6426e-78.9524e-62.5134e-62.6922e-72.1885e-881.0139
CME ITHNE4.5226e-68.1226e-76.4205e-72.6873e-71.5191e-71.4982e-52.7180e-62.3657e-72.7316e-881.0139
CARD GUHHZ3.1635e-64.0845e-72.5954e-77.7933e-84.5358e-81.0845e-51.4450e-67.7115e-81.1811e-885.8128
CARD GUHHN7.4184e-61.3271e-67.5830e-72.2156e-71.1566e-72.0626e-53.1979e-61.8864e-73.3856e-885.8128
CARD GUHHE6.6526e-61.0242e-65.7574e-71.8135e-79.2170e-82.0099e-52.2028e-61.3694e-72.4474e-885.8128
PCP GUHHZ1.6368e-61.7115e-71.0583e-75.3727e-82.2569e-83.7072e-65.2176e-73.0051e-83.9736e-987.7273
PCP GUHHN1.1934e-62.3128e-71.7831e-75.9957e-83.1544e-83.5341e-66.6570e-73.6746e-86.4036e-987.7273
PCP GUHHE1.5146e-62.5698e-71.5585e-76.2833e-82.8563e-84.2369e-67.3189e-73.9074e-85.6034e-987.7273
BDI IVHHZ1.2738e-62.1014e-71.2152e-75.8235e-82.3919e-82.9059e-66.6391e-73.2189e-84.7235e-990.8123
BDI IVHHN2.2265e-63.5740e-72.7145e-71.2110e-74.6008e-85.7014e-61.4678e-65.8189e-88.3643e-990.8123
BDI IVHHE2.0668e-63.2999e-72.5614e-71.0127e-74.1073e-87.4239e-61.6212e-65.8090e-89.0522e-990.8123
MAIM GUHHZ7.2793e-71.3419e-79.4316e-84.4283e-82.7028e-82.0685e-65.3979e-73.4813e-83.9448e-994.6134
MAIM GUHHN1.3466e-62.2347e-71.9342e-79.4636e-84.1737e-84.3252e-68.1860e-76.0724e-88.5142e-994.6134
MAIM GUHHE1.1673e-62.1455e-71.8069e-76.8052e-83.8648e-83.2083e-61.0601e-65.8377e-88.0919e-994.6134
POPM GUHHZ3.5025e-64.6737e-72.3616e-78.2450e-82.8876e-81.2399e-59.9366e-74.8400e-89.4368e-9102.7120
POPM GUHHN2.6259e-64.1016e-74.2453e-71.6133e-76.1715e-89.7022e-61.2383e-67.9258e-89.8481e-9102.7120
POPM GUHHE2.4190e-65.5182e-73.6309e-71.2796e-77.3123e-84.5177e-61.8179e-61.2743e-71.4257e-8102.7120
QLNO IVHHZ6.8554e-71.1264e-79.8265e-84.3957e-82.7499e-82.1069e-64.5760e-74.0183e-84.3520e-9105.3260
QLNO IVHHN9.8898e-71.6528e-71.2908e-76.0932e-83.9831e-81.9943e-66.8559e-75.1833e-85.5405e-9105.3260
QLNO IVHHE1.0110e-61.9555e-71.2526e-74.3114e-82.7106e-82.1892e-65.6543e-74.5761e-84.7853e-9105.3260
*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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