MANUAL Location - Area: Zona Piacenza , magnitude (ML): 1.8
2025-02-16 15:23:42 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-02-17 08:59:11

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Earthquake info - Manual location
Event - ID :250216152302
Magnitude (ML) :1.8 +/- 0.2
Origin Time :2025-02-16 15:23:42.893 (UTC)
Location : Latitude: 44.939 N, Longitude: 9.948 E
Area :Zona Piacenza
Depth (km) :18.90
Distances (km) : 3.1 --- Fiorenzuola d Arda
4.9 --- Alseno
5.4 --- Besenzone
6.6 --- Cortemaggiore
8.1 --- Cadeo
8.7 --- Busseto
9.3 --- San Pietro in Cerro
10.6 --- Villanova sull Arda
11.3 --- Castell Arquato
11.9 --- Fidenza
12.9 --- Carpaneto Piacentino
13.7 --- Salsomaggiore Terme
13.7 --- Caorso
13.9 --- Soragna
14.3 --- Polesine Parmense
14.4 --- Pontenure
15.8 --- Lugagnano Val d Arda
16.7 --- San Giorgio Piacentino
17.0 --- Monticelli d Ongina
17.0 --- Zibello

Quality location estimate: Erh: 1.5 km, Erz: 2.5 km, Nf: 24, Gap: 117 °, Rms: 0.38


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.
BVTIT2025-02-16 15:23:52.5160.0200-0.021.742025-02-16 15:24:00.3290.04000.490.8052.1
GRAMGU2025-02-16 15:23:53.3400.02000.081.592025-02-16 15:24:02.3760.04001.450.0854.3
GORRGU2025-02-16 15:23:54.8460.1807-0.451.062025-02-16 15:24:05.0640.04000.011.6066.4
TRESNI2025-02-16 15:23:58.4060.02000.760.642025-02-16 15:24:08.6370.0400-0.061.5777.8
MSSAIV2025-02-16 15:23:56.7710.0200-0.311.372025-02-16 15:24:08.1630.04000.191.3679.6
MDIIV2025-02-16 15:24:01.3800.05020.840.572025-02-16 15:24:14.1110.0400-0.081.4996.2
PLMAIV2025-02-16 15:24:00.1790.0200-0.480.942025-02-16 15:24:13.8770.0400-0.121.48100.9
BAG8IV2025-02-16 15:24:02.6650.12050.670.742025-02-16 15:24:15.4290.0400-1.200.12107.9
BALDNI2025-02-16 15:24:02.2400.0542-0.351.292025-02-16 15:24:15.2770.0400-1.990.03109.1
CARDGU2025-02-16 15:24:04.8600.06232.050.102025-02-16 15:24:20.0680.04002.380.09111.6
PCPGU2025-02-16 15:24:06.0590.02002.660.002025-02-16 15:24:23.7740.04005.300.00120.9
MAIMGU2025-02-16 15:24:04.6910.0733-0.071.622025-02-16 15:24:21.0640.04000.031.38123.4
MUGIOCH2025-02-16 15:24:05.4380.0200-0.021.622025-02-16 15:24:22.8490.04000.760.73131.7
GAGGST2025-02-16 15:24:07.6400.0733-0.700.002025-02-16 15:24:24.4620.0400-2.420.00150.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BVT ITHN1.812.75e-152.1200
GRAM GUHH1.784.25e-154.3169
MDI IVHH1.949.57e-296.2349
PLMA IVHH1.553.40e-2100.9184
CARD GUHH2.027.97e-2111.6157
PCP GUHH1.562.51e-2120.9249
MAIM GUHH1.622.21e-2123.4159
MUGIOCHHH1.891.81e-2131.7327


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 ITHNZ7.1678e-61.0631e-69.4403e-75.0846e-74.1772e-71.1551e-55.9417e-66.8669e-73.4298e-852.1200
BVT ITHNN5.9791e-61.9139e-61.8415e-68.0944e-73.7559e-71.4671e-51.7519e-54.9220e-75.7405e-852.1200
BVT ITHNE8.1108e-62.8003e-61.9419e-69.9630e-74.4552e-72.6380e-51.3426e-55.0516e-77.3335e-852.1200
GRAM GUHHZ3.8051e-61.1829e-61.1497e-66.5719e-73.0683e-79.3778e-66.8550e-62.9922e-73.1850e-854.3169
GRAM GUHHN1.0150e-53.7429e-63.0045e-61.4895e-67.1939e-71.7099e-52.3343e-51.0161e-61.2896e-754.3169
GRAM GUHHE8.7884e-63.4748e-63.2740e-61.7472e-66.1725e-71.2820e-52.3754e-58.5805e-71.0982e-754.3169
GORR GUHHZ1.4930e-62.7081e-72.3422e-79.6103e-83.9196e-84.2273e-61.3312e-66.6200e-87.9934e-966.4235
GORR GUHHN1.5840e-63.4184e-73.5538e-71.6978e-76.1269e-85.0851e-61.4848e-67.4614e-81.0563e-866.4235
GORR GUHHE2.4186e-64.4759e-73.7376e-71.3936e-75.6470e-85.5844e-61.5116e-67.9670e-81.1728e-866.4235
MSSA IVHHZ7.6115e-71.6622e-71.1478e-76.0658e-83.0806e-82.0942e-65.0113e-73.8053e-85.1102e-979.6206
MSSA IVHHN7.8969e-71.6815e-71.4615e-76.5211e-83.0565e-82.3071e-67.3730e-73.9833e-84.7744e-979.6206
MSSA IVHHE9.4782e-71.9792e-71.4384e-77.0294e-83.3808e-82.2404e-67.0562e-73.7235e-85.2901e-979.6206
MDI IVHHZ2.9772e-67.4475e-75.2946e-72.1316e-78.8086e-88.2758e-62.8010e-61.1484e-71.7109e-896.2349
MDI IVHHN3.2147e-69.0217e-78.3235e-74.0797e-71.6641e-71.1710e-55.9735e-62.0065e-72.4480e-896.2349
MDI IVHHE4.6739e-61.1926e-68.5439e-74.0592e-71.5683e-71.5773e-52.7320e-62.0774e-72.9099e-896.2349
PLMA IVHHZ7.4868e-71.9419e-71.7324e-77.6534e-83.6259e-82.3509e-61.0373e-64.6640e-85.0205e-9100.9184
PLMA IVHHN1.4666e-63.3102e-73.0979e-71.1236e-75.5612e-83.8453e-61.9392e-67.4157e-88.5464e-9100.9184
PLMA IVHHE1.1150e-62.7700e-73.0217e-71.1844e-75.2248e-82.7901e-62.2149e-66.0291e-88.2255e-9100.9184
BALD NIHHZ4.1888e-67.6760e-76.7292e-73.2751e-71.6065e-71.3551e-53.4722e-62.0206e-72.1797e-8109.139
BALD NIHHN7.6185e-62.1208e-61.4203e-65.3255e-72.3320e-72.5246e-56.6034e-62.7196e-74.5452e-8109.139
BALD NIHHE7.3588e-62.3250e-62.1752e-61.2125e-63.8318e-72.7828e-51.6652e-54.6800e-75.4978e-8109.139
CARD GUHHZ2.4552e-65.3808e-72.8629e-77.6278e-83.4806e-87.2455e-69.5309e-75.8735e-81.2881e-8111.6157
CARD GUHHN3.1615e-65.8417e-74.6791e-71.8453e-76.9985e-89.5669e-61.4635e-68.8431e-81.3805e-8111.6157
CARD GUHHE4.9972e-61.1147e-67.1693e-71.8016e-71.0033e-71.3184e-53.5095e-61.5146e-72.6860e-8111.6157
PCP GUHHZ4.5414e-71.5386e-71.0023e-74.9450e-82.5198e-81.4012e-67.3270e-73.0088e-83.1893e-9120.9249
PCP GUHHN4.5282e-71.2318e-71.0768e-71.0218e-75.0860e-81.9116e-63.9675e-76.6395e-86.0647e-9120.9249
PCP GUHHE5.3106e-71.1920e-71.0052e-74.4716e-82.2145e-82.0437e-68.1397e-72.8944e-83.2813e-9120.9249
MAIM GUHHZ6.2740e-71.1059e-79.6361e-84.2815e-81.6760e-82.7927e-65.3922e-71.9274e-82.8597e-9123.4159
MAIM GUHHN6.7791e-71.3449e-71.2457e-76.8543e-83.6591e-82.1373e-66.7600e-74.3495e-84.6612e-9123.4159
MAIM GUHHE6.6737e-71.6906e-71.4270e-78.6294e-83.4158e-82.5731e-61.1565e-64.1019e-85.2509e-9123.4159
MUGIOCHHHZ5.9024e-71.0899e-78.6234e-83.5382e-81.6195e-82.0755e-63.8520e-72.2098e-82.7870e-9131.7327
MUGIOCHHHN9.9953e-71.3926e-79.7412e-83.1046e-81.5118e-82.4551e-64.9231e-72.0148e-82.9775e-9131.7327
MUGIOCHHHE8.5116e-71.7226e-71.0993e-73.3512e-81.6062e-81.4846e-67.7162e-72.4086e-83.6660e-9131.7327
*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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