MANUAL Location - Area: Frignano , magnitude (ML): 0.9
2025-11-01 23:45:28 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-01 23:55:11

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Earthquake info - Manual location
Event - ID :251101234510
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-11-01 23:45:28.315 (UTC)
Location : Latitude: 44.527 N, Longitude: 10.117 E
Area :Frignano
Depth (km) :23.26
Distances (km) : 6.0 --- Corniglio
6.5 --- Tizzano Val Parma
8.3 --- Calestano
9.6 --- Terenzo
10.2 --- Berceto
11.7 --- Palanzano
12.7 --- Monchio delle Corti
14.6 --- Solignano
15.6 --- Langhirano
17.1 --- Neviano Degli Arduini
18.0 --- Ramiseto
18.2 --- Vetto
18.4 --- Fornovo di Taro
19.2 --- Valmozzola
19.5 --- Lesignano de Bagni
19.8 --- Varano de Melegari
21.4 --- Felino
23.0 --- Sala Baganza
23.5 --- Collagna
24.0 --- Busana

Quality location estimate: Erh: 1.1 km, Erz: 0.7 km, Nf: 24, Gap: 199 °, Rms: 0.18


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.
GRAMGU2025-11-01 23:45:32.7400.01100.021.412025-11-01 23:45:35.7800.0681-0.221.1824.8
ERBMIV2025-11-01 23:45:35.2300.01700.001.442025-11-01 23:45:40.4970.1544-0.181.1435.8
FIVIGU2025-11-01 23:45:34.9180.0200-0.320.892025-11-01 23:45:40.7260.04000.330.2439.8
AULIT2025-11-01 23:45:35.9920.0200-0.001.432025-11-01 23:45:41.8180.04000.120.9143.8
EQUIGU2025-11-01 23:45:36.2800.0221-0.261.102025-11-01 23:45:42.3100.1334-0.310.9146.7
SARMGU2025-11-01 23:45:37.3300.0291-0.031.422025-11-01 23:45:43.9000.1454-0.211.0850.5
VLCMN2025-11-01 23:45:37.1900.0200-0.281.032025-11-01 23:45:44.2700.04000.011.1851.9
MSSAIV2025-11-01 23:45:38.7900.02810.041.232025-11-01 23:45:45.6440.1745-0.880.1658.3
PLMAIV2025-11-01 23:45:39.0900.0291-0.091.392025-11-01 23:45:46.3800.1785-0.830.1961.6
GORRGU2025-11-01 23:45:40.7040.0200-0.131.342025-11-01 23:45:49.5700.3037-0.810.2970.0
POPMGU2025-11-01 23:45:41.9750.0200-0.111.332025-11-01 23:45:52.1350.04000.130.8477.7
PIIIV2025-11-01 23:45:45.3700.0482-0.111.242025-11-01 23:45:57.5100.3367-0.380.6598.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
ERBM IVEH0.664.09e-235.8117
FIVI GUHN1.231.23e-139.8178
EQUI GUHH0.612.14e-246.7176
SARM GUEH1.249.42e-250.5149
VLC MNHH1.002.99e-251.9152
MSSA IVHH0.892.58e-258.3244
PLMA IVHH0.791.80e-261.6202
GORR GUHH0.861.64e-270.0278
POPM GUHH0.832.47e-277.7136
PII IVHH0.979.89e-398.0160


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.
(°)
GRAM GUHHZ5.0460e-59.2425e-64.8775e-61.2636e-66.6042e-71.4253e-41.9363e-51.0557e-62.0649e-724.8225
GRAM GUHHN1.2376e-42.1107e-51.2108e-53.9261e-62.4654e-62.6584e-47.1116e-53.8565e-66.4171e-724.8225
GRAM GUHHE8.7938e-51.8990e-51.0281e-53.2311e-61.4851e-61.9953e-45.6887e-52.4648e-64.8428e-724.8225
ERBM IVEHZ2.5794e-63.9082e-72.6331e-71.5678e-75.7847e-88.2730e-68.5772e-76.8136e-88.4567e-935.8117
ERBM IVEHN3.2587e-66.9198e-74.8742e-71.5386e-77.3983e-89.2449e-62.4445e-61.0284e-71.6275e-835.8117
ERBM IVEHE3.9295e-67.5633e-73.5873e-71.4072e-77.5816e-81.2121e-51.9840e-61.0706e-71.8077e-835.8117
FIVI GUHNZ9.6098e-61.8379e-61.0651e-62.7427e-71.5249e-72.4905e-53.0187e-62.5745e-74.2317e-839.8178
FIVI GUHNN8.1410e-61.7044e-61.0985e-63.3583e-71.9527e-72.0517e-54.7964e-63.5404e-73.8556e-839.8178
FIVI GUHNE6.9196e-61.8389e-61.0808e-64.3699e-72.4944e-72.1062e-52.9527e-63.5496e-74.9813e-839.8178
EQUI GUHHZ8.9404e-72.2306e-72.0997e-76.3908e-83.5412e-82.8178e-61.4504e-65.3308e-86.1253e-946.7176
EQUI GUHHN8.8770e-71.8833e-71.7674e-76.3433e-82.5817e-82.6688e-61.0006e-63.6847e-85.1428e-946.7176
EQUI GUHHE9.2600e-72.0027e-71.7614e-76.9319e-84.0183e-83.0014e-61.0956e-66.3298e-86.5155e-946.7176
SARM GUEHZ1.3221e-62.9815e-72.9921e-71.6150e-78.2662e-84.1922e-62.4785e-61.0837e-78.7221e-950.5149
SARM GUEHN1.6008e-66.0413e-76.2886e-74.1773e-71.6535e-75.4209e-63.9346e-62.1836e-72.4230e-850.5149
SARM GUEHE1.1260e-62.1991e-72.1525e-71.5220e-77.6814e-82.8623e-69.1020e-78.5185e-88.0730e-950.5149
VLC MNHHZ1.5930e-62.3025e-71.2774e-74.7038e-83.1262e-82.7350e-66.3104e-73.6129e-84.7593e-951.9152
VLC MNHHN1.7303e-62.5132e-71.6984e-71.0316e-77.3488e-85.5605e-68.6240e-71.0380e-77.1909e-951.9152
VLC MNHHE1.4694e-62.9290e-71.8251e-78.7186e-81.0551e-75.3891e-66.0886e-71.5549e-71.0481e-851.9152
MSSA IVHHZ1.1756e-62.0996e-71.0956e-75.2217e-82.8488e-82.4098e-66.3192e-74.4823e-84.1706e-958.3244
MSSA IVHHN1.0194e-62.2251e-71.8104e-77.7168e-83.3314e-83.5024e-61.1823e-64.4190e-86.6536e-958.3244
MSSA IVHHE1.1530e-62.7759e-72.2443e-78.8657e-84.2230e-83.6075e-68.3518e-75.5379e-87.6946e-958.3244
PLMA IVHHZ6.1198e-71.0951e-79.1132e-85.2643e-81.9149e-81.1769e-65.8353e-72.3147e-82.9060e-961.6202
PLMA IVHHN1.3266e-62.2640e-71.8156e-76.0037e-82.5550e-84.8907e-61.2257e-63.2323e-85.1677e-961.6202
PLMA IVHHE1.0547e-61.7928e-71.1132e-74.3770e-82.1944e-83.1704e-66.9307e-73.6577e-83.5798e-961.6202
GORR GUHHZ9.6472e-71.1201e-79.4731e-84.6468e-82.3447e-81.6081e-64.4659e-73.6860e-83.3370e-970.0278
GORR GUHHN8.3203e-71.5959e-71.5220e-78.0262e-85.6978e-81.3988e-68.6068e-71.0017e-79.6454e-970.0278
GORR GUHHE6.9274e-71.2492e-71.1586e-74.4963e-82.1070e-81.6177e-65.1483e-73.1892e-83.6303e-970.0278
POPM GUHHZ8.0494e-71.9923e-71.4174e-75.4265e-82.3365e-83.3765e-69.3730e-73.4370e-84.6241e-977.7136
POPM GUHHN1.3392e-62.7043e-71.8774e-79.1847e-83.6343e-83.4833e-68.5019e-74.2991e-86.2358e-977.7136
POPM GUHHE1.2042e-62.8718e-72.3919e-71.0110e-75.5034e-82.3208e-61.3951e-66.7233e-87.4923e-977.7136
PII IVHHZ3.1091e-78.2483e-87.7457e-84.1037e-82.6138e-81.1296e-64.3269e-73.4017e-82.5959e-998.0160
PII IVHHN2.8779e-79.8471e-87.7886e-83.3362e-81.4644e-89.2378e-75.3596e-71.8325e-82.6851e-998.0160
PII IVHHE3.5059e-71.0875e-79.0147e-83.9205e-81.7161e-81.0241e-65.5169e-72.3216e-82.3814e-998.0160
*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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