MANUAL Location - Area: Lunigiana , magnitude (ML): 0.9
2025-03-19 09:04:10 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-03-19 10:08:58

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Earthquake info - Manual location
Event - ID :250319090234
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-03-19 09:04:10.386 (UTC)
Location : Latitude: 44.235 N, Longitude: 10.080 E
Area :Lunigiana
Depth (km) :9.34
Distances (km) : 3.6 --- Fivizzano
4.8 --- Licciana Nardi
7.4 --- Comano
8.4 --- Casola in Lunigiana
9.2 --- Aulla
10.7 --- Tresana
11.3 --- Bagnone
11.4 --- Podenzana
12.0 --- Fosdinovo
12.1 --- Villafranca in Lunigiana
12.4 --- Minucciano
13.6 --- Giuncugnano
15.5 --- Santo Stefano di Magra
15.6 --- Bolano
15.7 --- Filattiera
15.8 --- Castelnuovo Magra
16.3 --- Ortonovo
16.6 --- Sarzana
17.7 --- Mulazzo
17.8 --- Sillano

Quality location estimate: Erh: 0.6 km, Erz: 0.8 km, Nf: 34, Gap: 71 °, Rms: 0.19


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.
AULIT2025-03-19 09:04:13.0070.02000.001.882025-03-19 09:04:13.8960.0400-0.990.2113.0
EQUIGU2025-03-19 09:04:13.2000.00700.021.842025-03-19 09:04:14.8500.0340-0.310.6413.7
VLCMN2025-03-19 09:04:15.5500.1346-0.021.382025-03-19 09:04:19.2500.0782-0.121.3327.6
SARMGU2025-03-19 09:04:15.9400.01400.001.862025-03-19 09:04:19.7100.0802-0.320.7128.2
PLMAIV2025-03-19 09:04:15.8300.04820.011.752025-03-19 09:04:19.3100.0822-0.520.3129.0
GRAMGU2025-03-19 09:04:16.5100.01500.610.042025-03-19 09:04:20.6100.09620.970.0130.2
ERBMIV2025-03-19 09:04:17.3670.0170-0.031.762025-03-19 09:04:22.7770.04000.121.0335.0
CMEIT2025-03-19 09:04:17.2650.0200-0.051.672025-03-19 09:04:21.5310.0400-0.890.2437.2
VRLIT2025-03-19 09:04:17.7740.0200-0.230.882025-03-19 09:04:22.7950.0400-0.780.2340.7
CARDGU2025-03-19 09:04:17.6700.02010.001.742025-03-19 09:04:22.7560.2937-0.260.8340.8
BVTIT2025-03-19 09:04:18.5480.0200-0.001.692025-03-19 09:04:24.2310.0400-0.111.3143.6
GSCLGU2025-03-19 09:04:18.8290.0200-0.230.912025-03-19 09:04:25.1300.1314-0.300.8243.6
BDIIV2025-03-19 09:04:18.8600.02310.031.602025-03-19 09:04:24.8400.1354-0.191.0646.6
MSSAIV2025-03-19 09:04:18.9200.02310.001.652025-03-19 09:04:24.3600.1424-0.990.2146.8
MAIMGU2025-03-19 09:04:19.4100.02510.180.622025-03-19 09:04:25.2900.1424-0.460.5249.5
POPMGU2025-03-19 09:04:20.9270.10040.051.262025-03-19 09:04:28.9600.17250.340.4558.8
PIIIV2025-03-19 09:04:22.4400.0341-0.101.382025-03-19 09:04:30.4140.2106-1.120.1667.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
EQUI GUHH0.411.35e-113.7143
VLC MNHH0.493.21e-227.6109
SARM GUEH0.728.89e-228.2102
PLMA IVHH0.848.92e-229.0221
GRAM GUHH0.921.85e-130.2358
ERBM IVEH0.714.80e-235.052
CARD GUHH1.118.80e-240.8126
BVT ITHN1.087.33e-243.6321
GSCL GUHH1.189.20e-243.672
BDI IVHH0.743.65e-246.6115
MSSA IVHH0.904.15e-246.8282
MAIM GUHH1.145.79e-249.5137
POPM GUHH0.895.16e-258.8111
PII IVHH0.982.28e-267.9148


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.
(°)
EQUI GUHHZ3.1198e-53.4132e-69.9281e-74.5440e-71.8804e-71.9639e-54.1644e-62.6240e-75.7210e-813.7143
EQUI GUHHN3.1693e-53.2228e-61.1055e-63.1515e-71.8042e-74.1003e-55.9766e-62.8186e-76.8029e-813.7143
EQUI GUHHE2.9777e-53.1880e-61.0517e-63.7458e-72.4294e-73.2819e-55.0789e-63.8304e-77.3748e-813.7143
VLC MNHHZ4.7521e-65.0528e-72.3667e-71.0389e-75.0727e-88.4237e-61.4168e-65.4115e-81.0199e-827.6109
VLC MNHHN6.0147e-67.9298e-72.9047e-79.4371e-86.3414e-81.5693e-58.7758e-78.2153e-81.8384e-827.6109
VLC MNHHE7.1656e-67.9559e-72.7447e-79.8954e-84.7276e-81.4016e-51.2261e-67.0222e-81.5566e-827.6109
SARM GUEHZ4.7008e-61.0202e-64.7264e-71.6552e-77.7776e-81.2770e-53.5545e-61.3632e-72.5294e-828.2102
SARM GUEHN6.2559e-61.2705e-66.8686e-73.1599e-71.5361e-71.9893e-53.3016e-62.3534e-73.6215e-828.2102
SARM GUEHE5.9587e-66.8860e-74.6715e-72.1203e-79.9336e-81.0221e-53.1101e-61.4348e-72.1157e-828.2102
PLMA IVHHZ3.6012e-53.3224e-65.3156e-71.4947e-77.2864e-81.4614e-52.2297e-61.0367e-72.4682e-829.0221
PLMA IVHHN1.8225e-52.0139e-69.0893e-72.0879e-71.1442e-74.3746e-53.2011e-61.9860e-74.2178e-829.0221
PLMA IVHHE1.6965e-51.9973e-66.6744e-71.8738e-71.0962e-72.4356e-53.1154e-61.4748e-72.9236e-829.0221
GRAM GUHHZ8.6802e-61.4301e-68.2141e-72.4115e-71.3625e-72.1941e-54.7773e-62.1496e-73.7186e-830.2358
GRAM GUHHN8.6116e-62.1341e-61.6015e-66.7067e-73.2829e-72.3457e-58.5900e-65.1199e-75.7826e-830.2358
GRAM GUHHE7.7227e-61.6855e-61.3979e-64.8701e-72.4488e-71.8286e-57.0273e-63.4903e-74.7659e-830.2358
ERBM IVEHZ4.4861e-65.0242e-73.4875e-72.2453e-79.9675e-81.2251e-51.3555e-61.1065e-71.4128e-835.052
ERBM IVEHN6.0462e-66.3586e-74.3905e-71.7274e-78.8487e-81.3896e-52.0070e-61.2258e-71.4731e-835.052
ERBM IVEHE5.0722e-68.3656e-74.5634e-72.5293e-71.2651e-71.3156e-51.8755e-61.7085e-72.2536e-835.052
CME ITHNZ2.6375e-53.4294e-61.7411e-64.8274e-72.5227e-76.7591e-59.4376e-64.4542e-77.2497e-837.2150
CME ITHNN4.4036e-57.0607e-63.9432e-61.0971e-65.7480e-71.3482e-42.6841e-58.4724e-71.7818e-737.2150
CME ITHNE4.9867e-55.1635e-63.3520e-69.3640e-74.6879e-79.1258e-51.9556e-57.4028e-71.3833e-737.2150
CARD GUHHZ1.1216e-51.1858e-63.6882e-79.6244e-86.2572e-82.4611e-51.3142e-61.1055e-72.3313e-840.8126
CARD GUHHN2.7094e-53.0111e-67.4338e-71.6921e-79.2866e-83.1269e-52.2183e-61.9502e-75.7774e-840.8126
CARD GUHHE2.3972e-52.0078e-67.2050e-71.7980e-71.0133e-73.5305e-53.0471e-61.8905e-74.1337e-840.8126
BVT ITHNZ6.0548e-65.9714e-73.6201e-72.9315e-71.4865e-76.7958e-61.5074e-61.7297e-71.3839e-843.6321
BVT ITHNN4.1384e-68.5635e-76.5317e-73.6276e-71.8463e-71.0607e-53.5514e-62.6882e-72.3986e-843.6321
BVT ITHNE5.3280e-61.0277e-67.5488e-72.8972e-71.3580e-71.7381e-53.5643e-61.8340e-72.7471e-843.6321
GSCL GUHHZ1.3685e-62.5913e-72.0288e-71.0433e-75.0898e-85.2753e-61.1432e-66.7244e-86.7155e-943.672
GSCL GUHHN3.2896e-68.6025e-76.9318e-73.2952e-71.8248e-79.7410e-64.4025e-62.4010e-73.0389e-843.672
GSCL GUHHE3.4040e-68.4957e-76.7705e-73.1145e-71.6755e-71.0461e-54.8033e-62.5884e-72.8516e-843.672
BDI IVHHZ4.9341e-64.5646e-71.6317e-75.0862e-82.9021e-87.4180e-68.0859e-74.4516e-88.6736e-946.6115
BDI IVHHN5.0977e-67.4620e-72.9240e-78.8432e-84.4793e-81.0819e-51.5612e-66.7105e-81.6334e-846.6115
BDI IVHHE5.7207e-67.5500e-72.9495e-77.5434e-84.0887e-81.2484e-51.4857e-66.8859e-81.5013e-846.6115
MSSA IVHHZ2.8323e-64.8637e-71.9818e-78.3003e-84.6643e-81.1437e-59.5950e-76.3453e-89.9549e-946.8282
MSSA IVHHN3.4003e-65.9105e-73.5281e-71.1365e-76.0984e-89.3557e-61.5637e-68.4945e-81.3804e-846.8282
MSSA IVHHE2.3237e-65.0023e-73.1324e-79.8931e-84.6577e-88.1966e-61.1319e-66.9433e-81.1359e-846.8282
MAIM GUHHZ4.4898e-65.5597e-72.7915e-71.3532e-76.1165e-85.4568e-61.4932e-68.5493e-88.8952e-949.5137
MAIM GUHHN5.6283e-68.7072e-74.9362e-71.4864e-76.3959e-81.8579e-52.2187e-69.3601e-82.0408e-849.5137
MAIM GUHHE4.4788e-66.5076e-75.2343e-71.9310e-79.1535e-87.1798e-62.6641e-61.2466e-71.8836e-849.5137
POPM GUHHZ5.5042e-66.3666e-72.3770e-76.7814e-83.2647e-81.1936e-59.7842e-75.4477e-81.3142e-858.8111
POPM GUHHN4.4206e-68.1871e-74.7568e-71.1261e-76.0616e-81.3373e-52.1807e-61.0258e-72.0986e-858.8111
POPM GUHHE4.5257e-66.9731e-73.7201e-71.0051e-74.5156e-81.0228e-51.5364e-67.5019e-81.5463e-858.8111
PII IVHHZ3.1796e-64.1919e-72.2327e-75.4178e-82.4988e-83.9294e-61.0032e-63.9692e-87.3468e-967.9148
PII IVHHN2.8380e-62.9901e-72.0125e-76.3820e-82.5342e-85.8276e-61.1990e-64.1696e-86.9685e-967.9148
PII IVHHE2.3179e-64.2704e-72.2171e-75.8780e-83.2570e-86.7919e-61.0889e-65.3407e-89.5348e-967.9148
*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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