MANUAL Location - Area: Valle del Trebbia , magnitude (ML): 1.7
2025-03-06 22:39:06 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-03-07 08:54:30

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Earthquake info - Manual location
Event - ID :250306223737
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2025-03-06 22:39:06.598 (UTC)
Location : Latitude: 44.937 N, Longitude: 9.492 E
Area :Valle del Trebbia
Depth (km) :14.77
Distances (km) : 1.1 --- Piozzano
2.6 --- Agazzano
5.2 --- Gazzola
6.9 --- Pianello Val Tidone
8.9 --- Rivergaro
9.2 --- Travo
9.7 --- Borgonovo Val Tidone
10.3 --- Ziano Piacentino
10.7 --- Gragnano Trebbiense
10.8 --- Pecorara
12.1 --- Gossolengo
13.3 --- Nibbiano
13.9 --- Ponte dell Olio
13.9 --- Sarmato
14.2 --- Rovescala
14.2 --- Vigolzone
14.4 --- Rottofreno
14.5 --- Castel San Giovanni
14.7 --- Caminata
14.8 --- Golferenzo

Quality location estimate: Erh: 0.6 km, Erz: 0.8 km, Nf: 34, Gap: 84 °, Rms: 0.29


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.
GORRGU2025-03-06 22:39:14.9400.0241-0.021.952025-03-06 22:39:21.5100.1424-0.111.4642.7
SARZIV2025-03-06 22:39:17.1000.02811.240.042025-03-06 22:39:25.1260.36072.210.0848.6
BVTIT2025-03-06 22:39:16.4220.0200-0.001.922025-03-06 22:39:24.0960.04000.061.6651.7
TGLIT2025-03-06 22:39:16.8190.1506-0.051.622025-03-06 22:39:24.6330.2506-0.281.0454.0
VRLIT2025-03-06 22:39:18.4000.02000.310.942025-03-06 22:39:26.8010.0400-0.131.4263.2
RNCAGU2025-03-06 22:39:19.3200.09440.301.052025-03-06 22:39:28.4820.16040.111.3768.7
GRAMGU2025-03-06 22:39:19.1400.03410.011.842025-03-06 22:39:28.8510.20050.181.2368.9
MSSAIV2025-03-06 22:39:19.1600.03610.031.832025-03-06 22:39:28.7930.39380.051.0570.7
PCPGU2025-03-06 22:39:22.1890.02000.031.752025-03-06 22:39:34.5280.50090.750.4888.1
ROTMGU2025-03-06 22:39:26.3190.12052.760.052025-03-06 22:39:38.4470.20052.220.0891.5
MDIIV2025-03-06 22:39:24.2500.04920.081.632025-03-06 22:39:35.9600.6749-1.930.1495.5
TRESNI2025-03-06 22:39:25.6400.0512-0.081.532025-03-06 22:39:38.4710.3638-1.950.09102.1
PLMAIV2025-03-06 22:39:24.3970.0200-0.141.452025-03-06 22:39:37.5030.0400-0.031.31103.7
MUGIOCH2025-03-06 22:39:26.6600.0603-0.570.452025-03-06 22:39:41.2910.0400-1.700.10116.1
VAREIV2025-03-06 22:39:27.7700.06230.151.432025-03-06 22:39:43.6070.0400-0.370.90118.9
BAG8IV2025-03-06 22:39:28.7270.15060.211.242025-03-06 22:39:43.7180.1604-2.050.00125.3
CARDGU2025-03-06 22:39:30.6270.02001.770.002025-03-06 22:39:47.6670.04002.220.00129.0
BDIIV2025-03-06 22:39:31.4830.10041.930.002025-03-06 22:39:49.7310.20052.920.00131.7
BALDNI2025-03-06 22:39:29.4700.0673-0.830.342025-03-06 22:39:46.3180.0400-1.860.00133.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GORR GUHH1.562.29e-142.7203
SARZ IVHH1.893.75e-148.6261
BVT ITHN1.671.99e-151.7156
TGL ITHN1.369.04e-254.0210
GRAM GUHH1.491.31e-168.9137
MSSA IVHH1.608.71e-270.7178
ROTM GUHH1.341.02e-191.5264
MDI IVHH2.051.25e-195.511
PLMA IVHH1.775.24e-2103.7164
MUGIOCHHH2.023.37e-2116.1342
VARE IVHH1.773.89e-2118.9332
CARD GUHH1.934.56e-2129.0142
BDI IVHH1.703.17e-2131.7138


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.
(°)
GORR GUHHZ6.6634e-61.3566e-61.2067e-65.9486e-73.0439e-72.1625e-56.9536e-63.6625e-74.5363e-842.7203
GORR GUHHN6.7355e-61.7666e-61.2522e-69.9511e-74.1161e-72.2698e-55.0946e-64.3505e-75.3170e-842.7203
GORR GUHHE1.0735e-52.6470e-61.6521e-61.1219e-66.1169e-72.3056e-51.0542e-56.5458e-76.7134e-842.7203
SARZ IVHHZ4.6168e-61.4737e-61.4719e-69.0967e-73.4492e-71.4323e-56.5267e-64.0909e-74.3642e-848.6261
SARZ IVHHN5.0417e-62.9170e-62.3613e-61.7731e-67.8471e-72.1897e-51.5836e-59.8642e-78.7192e-848.6261
SARZ IVHHE3.3855e-61.5938e-61.7890e-61.0910e-64.2635e-71.0752e-51.3663e-54.8514e-74.7948e-848.6261
BVT ITHNZ3.4194e-67.4061e-77.2125e-75.9089e-73.0299e-78.8313e-64.3523e-63.9840e-72.5132e-851.7156
BVT ITHNN3.9102e-61.7578e-61.5357e-68.9753e-74.5417e-71.5508e-57.6421e-67.2358e-75.9715e-851.7156
BVT ITHNE5.5254e-61.7950e-61.7341e-61.0456e-63.5524e-72.0398e-59.6942e-64.5291e-74.9429e-851.7156
TGL ITHNZ3.7041e-65.6446e-75.2509e-73.9463e-71.9807e-77.5755e-62.5572e-62.6076e-71.7888e-854.0210
TGL ITHNN4.7018e-67.2701e-76.8292e-74.3199e-71.9681e-71.1463e-53.3493e-62.4866e-72.0453e-854.0210
TGL ITHNE5.1507e-67.8127e-76.1516e-73.3655e-71.8374e-71.3123e-53.0126e-62.5343e-72.0118e-854.0210
RNCA GUHHZ1.2102e-62.0035e-71.5791e-78.2529e-84.1531e-83.8880e-66.3380e-76.2232e-87.2073e-968.7220
RNCA GUHHN1.3757e-63.4344e-72.4826e-71.1747e-74.9197e-84.3443e-61.1533e-65.8684e-81.0236e-868.7220
RNCA GUHHE1.7963e-64.5052e-73.2449e-71.2229e-75.4993e-86.0655e-61.7825e-67.7984e-88.1466e-968.7220
GRAM GUHHZ1.6317e-63.7275e-73.5203e-71.8375e-77.0922e-83.5234e-62.6219e-69.3820e-81.1969e-868.9137
GRAM GUHHN2.7082e-69.9190e-79.6609e-73.8187e-71.6246e-76.1122e-67.4278e-62.2717e-72.5983e-868.9137
GRAM GUHHE4.4011e-61.1164e-61.2265e-64.2664e-72.0051e-71.1095e-59.0597e-62.9375e-73.8896e-868.9137
MSSA IVHHZ1.8009e-65.4972e-73.6000e-73.6328e-72.1125e-75.3296e-62.7221e-62.3841e-71.6083e-870.7178
MSSA IVHHN3.0501e-68.3670e-77.1504e-73.8655e-72.0075e-76.4583e-64.5250e-62.4964e-72.8558e-870.7178
MSSA IVHHE2.3905e-66.9420e-75.9752e-73.7519e-71.8209e-76.1262e-63.7246e-62.0388e-71.8918e-870.7178
PCP GUHHZ1.0021e-61.8579e-71.3197e-79.5837e-82.7412e-83.3869e-67.5820e-73.7537e-84.9320e-988.1240
PCP GUHHN9.4254e-71.6818e-71.4102e-77.4688e-82.7441e-81.9755e-66.6859e-73.0922e-84.1203e-988.1240
PCP GUHHE8.2141e-71.8702e-71.7076e-71.1142e-74.5881e-83.1235e-61.2111e-65.1025e-86.5579e-988.1240
ROTM GUHHZ1.9987e-62.9858e-72.8075e-71.6682e-76.7962e-83.8831e-61.7428e-69.0507e-88.7019e-991.5264
ROTM GUHHN2.7433e-67.8392e-78.5342e-74.4832e-71.7310e-77.4995e-65.4974e-62.0393e-72.2730e-891.5264
ROTM GUHHE3.5090e-67.8777e-78.0530e-72.9602e-71.3231e-79.1623e-67.0289e-61.6536e-72.4549e-891.5264
MDI IVHHZ3.9779e-67.7167e-75.8008e-71.8528e-78.4211e-81.2437e-52.7272e-61.2710e-72.1199e-895.511
MDI IVHHN4.4113e-69.6788e-78.0200e-72.6446e-71.3107e-71.4058e-54.0963e-61.9294e-72.3642e-895.511
MDI IVHHE7.8288e-61.7524e-61.1779e-63.5328e-71.7510e-72.4879e-54.9499e-62.7846e-74.1823e-895.511
PLMA IVHHZ1.0319e-62.6693e-72.4424e-71.6057e-76.9216e-82.4467e-61.1742e-67.2098e-89.3985e-9103.7164
PLMA IVHHN1.9433e-65.7113e-74.1541e-72.1539e-78.7235e-84.0257e-62.9619e-61.0479e-71.6713e-8103.7164
PLMA IVHHE1.6570e-64.6951e-73.9485e-71.7816e-76.4519e-83.9551e-62.3458e-69.1720e-81.0835e-8103.7164
MUGIOCHHHZ2.1718e-64.5065e-74.1342e-71.4524e-75.4782e-85.5716e-62.4963e-68.7130e-81.2500e-8116.1342
MUGIOCHHHN2.0276e-63.6773e-73.0890e-71.1690e-75.1314e-85.0027e-62.3282e-66.1159e-89.6264e-9116.1342
MUGIOCHHHE1.8107e-65.1714e-73.2295e-71.2811e-75.3711e-85.2217e-61.0915e-68.3040e-81.3193e-8116.1342
VARE IVHHZ1.6263e-62.8726e-72.1950e-76.7450e-83.1619e-85.0833e-61.0287e-64.6129e-86.6514e-9118.9332
VARE IVHHN2.0461e-63.7600e-73.1690e-71.9227e-71.1718e-74.9635e-61.4641e-61.5428e-71.3361e-8118.9332
VARE IVHHE2.0438e-64.1594e-73.4167e-71.4056e-75.2489e-84.0874e-62.0344e-66.7416e-81.1608e-8118.9332
CARD GUHHZ1.0876e-62.2511e-71.3635e-75.2301e-83.8065e-82.3834e-69.9709e-75.4200e-85.9223e-9129.0142
CARD GUHHN1.6548e-63.5046e-72.7592e-71.5787e-77.5735e-85.1114e-61.3287e-61.0011e-71.1386e-8129.0142
CARD GUHHE1.5877e-62.7526e-72.3359e-71.2141e-76.2608e-83.3667e-69.9682e-77.3061e-88.2259e-9129.0142
BDI IVHHZ6.4747e-71.4541e-77.9114e-83.4502e-81.6245e-82.0545e-63.9740e-72.4380e-82.5182e-9131.7138
BDI IVHHN6.8697e-72.5350e-71.3947e-75.8309e-82.1850e-82.2697e-66.4091e-72.7873e-84.3902e-9131.7138
BDI IVHHE7.8412e-72.6358e-71.3822e-78.4581e-83.5790e-82.1446e-61.1128e-64.1963e-84.0063e-9131.7138
BALD NIHHZ2.1468e-64.7443e-73.4835e-71.5547e-77.9816e-86.3981e-61.4875e-68.3316e-81.1356e-8133.851
BALD NIHHN4.4058e-61.2473e-67.0306e-73.4176e-71.7272e-71.7201e-52.4827e-61.9250e-72.2890e-8133.851
BALD NIHHE3.6340e-61.2883e-69.5559e-76.7834e-72.5232e-79.4449e-66.6499e-63.1969e-73.5402e-8133.851
*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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