MANUAL Location - Area: Francia , magnitude (ML): 2.0
2025-09-22 17:38:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-23 07:01:54

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Earthquake info - Manual location
Event - ID :250922173825
Magnitude (ML) :2.0 +/- 0.2
Origin Time :2025-09-22 17:38:48.356 (UTC)
Location : Latitude: 44.242 N, Longitude: 6.695 E
Area :Francia
Depth (km) :10.65
Distances (km) : 25.9 --- Argentera
29.2 --- Pietraporzio
32.1 --- Sambuco
35.0 --- Acceglio
38.9 --- Vinadio
39.0 --- Canosio
39.3 --- Prazzo
39.9 --- Marmora
42.5 --- Aisone
45.2 --- Castelmagno
45.2 --- Stroppo
45.6 --- Bellino
45.7 --- Elva
46.9 --- Celle di Macra
48.0 --- Macra
48.6 --- Demonte
48.9 --- Casteldelfino
50.0 --- Pontechianale
50.6 --- Pradleves
52.4 --- San Damiano Macra

Quality location estimate: Erh: 0.5 km, Erz: 1 km, Nf: 54, Gap: 112 °, Rms: 0.24


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.
SURFFR2025-09-22 17:38:54.3500.0140-0.041.622025-09-22 17:38:58.7450.04000.031.5830.1
ISOFR2025-09-22 17:38:54.6700.0150-0.031.652025-09-22 17:38:58.5550.0932-0.500.6631.2
VINDIV2025-09-22 17:38:55.4820.0200-0.860.302025-09-22 17:39:00.4110.0400-1.290.0540.4
OGDIFR2025-09-22 17:38:56.5200.02010.051.642025-09-22 17:39:02.5770.04000.041.4741.7
PZZGU2025-09-22 17:38:57.3000.02710.001.632025-09-22 17:39:03.1900.1384-0.410.7946.2
STVGU2025-09-22 17:38:58.0400.02510.241.022025-09-22 17:39:04.2200.15440.131.2151.6
MVIFFR2025-09-22 17:38:58.7000.03210.031.592025-09-22 17:39:05.8500.1625-0.310.9654.0
ENRGU2025-09-22 17:38:59.2800.02910.151.362025-09-22 17:39:06.6500.17650.250.9758.8
OGAGFR2025-09-22 17:39:00.0400.03610.001.542025-09-22 17:39:07.6500.1885-0.480.7463.1
TURFFR2025-09-22 17:39:00.3900.03210.071.512025-09-22 17:39:08.6540.1965-0.161.1163.9
ESCAFR2025-09-22 17:39:01.7800.03610.191.202025-09-22 17:39:10.5990.3928-0.220.9071.8
SAOFFR2025-09-22 17:39:02.2300.0422-0.171.192025-09-22 17:39:11.3800.3768-0.750.5275.0
RRLGU2025-09-22 17:39:02.4100.0432-0.071.392025-09-22 17:39:11.9810.1002-0.320.9576.9
BHBGU2025-09-22 17:39:02.9000.04520.101.402025-09-22 17:39:12.2770.3628-0.470.7680.6
MLIGIV2025-09-22 17:39:03.2170.0200-0.880.312025-09-22 17:39:14.4560.0400-0.510.7184.4
GBOSGU2025-09-22 17:39:04.7600.04620.241.042025-09-22 17:39:15.5900.30170.110.9591.9
MGROGU2025-09-22 17:39:04.6600.0462-0.620.552025-09-22 17:39:16.8700.2777-0.071.0092.3
PVTIT2025-09-22 17:39:05.8290.0200-0.500.672025-09-22 17:39:18.2810.0400-0.470.77101.0
IMIGU2025-09-22 17:39:06.3600.1236-0.310.952025-09-22 17:39:18.6500.4479-0.680.58103.1
OGMOFR2025-09-22 17:39:07.7700.05420.111.272025-09-22 17:39:20.8060.0400-0.231.01107.9
ROROGU2025-09-22 17:39:07.7500.0552-0.021.332025-09-22 17:39:21.3900.33370.300.76110.8
RSPGU2025-09-22 17:39:08.1000.05520.131.242025-09-22 17:39:21.5550.33770.040.90111.0
QLNOIV2025-09-22 17:39:11.5100.06630.520.462025-09-22 17:39:26.6810.0400-0.460.77132.2
LATOIV2025-09-22 17:39:10.9890.02000.041.272025-09-22 17:39:27.2420.04000.500.58132.7
LSDGU2025-09-22 17:39:12.7600.0703-0.071.212025-09-22 17:39:29.5360.0400-0.170.96140.3
PCPGU2025-09-22 17:39:14.4150.02000.840.142025-09-22 17:39:31.9760.04000.300.78151.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
PZZ GUHH1.805.81e-146.248
STV GUHH1.912.34e-151.689
ENR GUHH2.176.74e-158.891
OGAG FRHH1.621.18e-163.1349
ESCA FRHH1.608.52e-271.8130
RRL GUHH1.838.41e-276.96
BHB GUHH1.676.99e-280.634
GBOS GUHH2.331.35e-191.990
MGRO GUHH1.838.19e-292.3104
PVT ITHN1.958.76e-2101.0102
IMI GUHH2.101.59e-1103.1111
RORO GUHH2.141.08e-1110.897
RSP GUHH1.795.13e-2111.024
QLNO IVHH2.269.01e-2132.285
LSD GUHH1.963.91e-2140.314
PCP GUHH2.094.71e-2151.177


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.
(°)
ISO FRHHZ1.8686e-52.2149e-61.5771e-66.2179e-73.0147e-75.1630e-58.4499e-64.2406e-75.9085e-831.2103
ISO FRHHN2.2363e-53.2037e-61.9056e-65.8743e-73.2332e-75.6621e-57.7682e-64.9396e-77.6785e-831.2103
ISO FRHHE1.9144e-52.8992e-61.6603e-64.8558e-72.7163e-75.1763e-59.8830e-64.1161e-76.3671e-831.2103
PZZ GUHHZ3.7082e-57.4100e-65.0429e-61.2494e-66.2961e-71.2288e-41.9781e-58.8424e-71.6307e-746.248
PZZ GUHHN3.3822e-57.5226e-65.3089e-61.5960e-68.3657e-71.5065e-42.9585e-51.2490e-62.0144e-746.248
PZZ GUHHE3.3840e-57.4705e-65.7617e-62.0303e-68.7666e-71.2871e-43.3677e-51.2644e-61.8554e-746.248
STV GUHHZ1.7000e-53.1805e-62.2335e-67.4235e-73.2080e-76.1119e-51.2200e-54.4345e-77.9930e-851.689
STV GUHHN1.4812e-52.9783e-62.0730e-67.5055e-73.9279e-74.6777e-51.1718e-55.4380e-76.4365e-851.689
STV GUHHE1.7494e-54.1352e-61.9853e-66.9908e-72.9423e-75.4567e-51.0695e-54.3012e-79.1310e-851.689
ENR GUHHZ4.2886e-55.9287e-63.3519e-61.3163e-64.9103e-71.0899e-41.2744e-56.8682e-71.3682e-758.891
ENR GUHHN8.5827e-51.0689e-55.4362e-62.0306e-61.0295e-61.8986e-43.7267e-51.6168e-62.6378e-758.891
ENR GUHHE5.6715e-57.0317e-64.1594e-61.1478e-65.0433e-71.5715e-42.1836e-58.6083e-71.6831e-758.891
OGAG FRHHZ6.8140e-61.7111e-68.8495e-74.0533e-71.6339e-71.2818e-54.9932e-62.0637e-72.9356e-863.1349
OGAG FRHHN5.4029e-61.1589e-68.4469e-73.4538e-71.3200e-71.4013e-54.3433e-61.7029e-72.2568e-863.1349
OGAG FRHHE4.3962e-61.0930e-61.1092e-65.5453e-72.7540e-71.3831e-55.9602e-63.4391e-73.6276e-863.1349
TURF FRHHZ4.6943e-68.1003e-76.7127e-72.2591e-71.3183e-71.1943e-52.9550e-62.0272e-72.6164e-863.9118
TURF FRHHN4.4379e-69.1554e-76.0182e-71.7029e-78.2114e-81.5840e-52.6654e-61.1531e-72.1160e-863.9118
TURF FRHHE3.4091e-68.1875e-76.2620e-72.2403e-79.9496e-81.0413e-53.6570e-61.4539e-72.1066e-863.9118
ESCA FRHHZ3.4630e-69.4904e-75.8964e-72.7464e-79.6369e-88.4524e-63.6727e-61.3643e-71.9576e-871.8130
ESCA FRHHN4.8254e-69.9645e-77.6970e-73.5057e-71.7176e-71.6946e-53.6730e-62.3953e-72.7781e-871.8130
ESCA FRHHE4.3140e-61.0463e-69.2067e-72.5911e-71.2437e-71.2169e-53.2951e-61.9615e-72.6923e-871.8130
SAOF FRHHZ2.3499e-65.7909e-74.7345e-72.0716e-79.1369e-85.5288e-63.7975e-69.9667e-81.7598e-875.0112
SAOF FRHHN2.1267e-65.0905e-74.2833e-72.0426e-71.0076e-76.5142e-62.4974e-61.1592e-71.6683e-875.0112
SAOF FRHHE2.0920e-65.6820e-75.0708e-71.8469e-78.2025e-87.4520e-64.1828e-61.1105e-71.5913e-875.0112
RRL GUHHZ4.3452e-67.3612e-74.3519e-72.4171e-79.7897e-88.7325e-62.4263e-61.2950e-71.5525e-876.96
RRL GUHHN5.2063e-69.6798e-78.5951e-73.7894e-71.2514e-72.1227e-54.7204e-61.8012e-72.4627e-876.96
RRL GUHHE3.8771e-68.7845e-76.8614e-73.0208e-71.1238e-71.2559e-53.9618e-61.5045e-72.5538e-876.96
BHB GUHHZ9.3189e-61.6577e-69.1458e-72.8026e-71.5057e-73.3558e-54.8360e-62.1624e-74.0209e-880.634
BHB GUHHN5.8186e-61.0240e-67.1043e-72.1848e-71.1210e-71.8368e-53.2051e-61.6763e-72.9693e-880.634
BHB GUHHE4.9366e-68.2845e-76.5546e-73.2784e-71.1446e-71.4653e-52.5195e-61.5052e-71.9852e-880.634
GBOS GUHHZ8.8172e-62.0497e-61.2712e-64.3268e-72.1834e-72.6054e-56.6527e-63.0720e-75.1318e-891.990
GBOS GUHHN5.4811e-61.1525e-69.8268e-73.2609e-71.3047e-72.1006e-55.4536e-61.9027e-72.9734e-891.990
GBOS GUHHE1.1541e-52.3264e-61.2969e-64.6572e-71.8440e-73.3224e-55.3148e-62.4787e-74.5479e-891.990
MGRO GUHHZ2.4536e-64.6688e-74.7001e-72.0508e-77.4900e-87.1131e-62.8130e-61.1507e-71.3772e-892.3104
MGRO GUHHN4.2851e-61.0579e-67.6723e-72.3509e-71.1853e-71.3459e-54.3305e-61.4636e-72.6972e-892.3104
MGRO GUHHE3.5498e-65.5833e-75.5181e-72.0726e-78.5680e-89.4719e-63.5634e-61.0765e-71.4122e-892.3104
PVT ITHNZ5.7880e-68.9563e-76.7298e-72.8949e-71.5387e-71.3344e-53.0478e-61.7764e-72.2542e-8101.0102
PVT ITHNN7.1466e-61.2092e-68.5217e-73.4338e-71.6467e-71.9610e-52.8967e-62.0342e-72.8979e-8101.0102
PVT ITHNE8.2351e-61.3320e-68.2198e-73.1381e-71.8548e-71.7802e-53.6288e-62.6965e-73.0650e-8101.0102
IMI GUHHZ3.6921e-67.2746e-75.4019e-72.1234e-79.4281e-81.0788e-52.4677e-61.5349e-71.6409e-8103.1111
IMI GUHHN1.1926e-52.1302e-61.2798e-65.7506e-72.7697e-74.3275e-59.0935e-63.5410e-75.1691e-8103.1111
IMI GUHHE6.2277e-61.3884e-69.1662e-74.0307e-71.7553e-71.6161e-54.8176e-62.4489e-73.2615e-8103.1111
RORO GUHHZ4.2520e-68.6213e-76.7647e-71.8888e-79.2331e-81.3952e-52.9910e-61.5110e-71.8484e-8110.897
RORO GUHHN6.3433e-61.4876e-68.5159e-71.9145e-71.1024e-71.8317e-53.6966e-61.9131e-73.5761e-8110.897
RORO GUHHE3.9527e-61.0483e-66.8924e-71.7761e-71.0101e-71.5255e-53.3055e-61.5624e-72.6616e-8110.897
RSP GUHHZ4.2649e-65.5470e-74.2046e-71.4093e-75.7084e-81.0789e-52.2683e-67.6998e-81.2329e-8111.024
RSP GUHHN4.0958e-68.2105e-74.9757e-71.5386e-76.0050e-88.8814e-61.6978e-68.9103e-81.7661e-8111.024
RSP GUHHE3.2402e-66.8008e-76.0499e-71.8093e-77.3241e-81.4580e-53.3105e-61.1137e-71.6830e-8111.024
QLNO IVHHZ2.5944e-67.2361e-75.4974e-72.5870e-71.8235e-75.9693e-63.2783e-63.0089e-73.8381e-8132.285
QLNO IVHHN3.6029e-67.6584e-76.3053e-72.3842e-71.0573e-71.4319e-53.1082e-61.5153e-72.2635e-8132.285
QLNO IVHHE3.0570e-66.7255e-77.8373e-73.1417e-71.3586e-78.7166e-65.4019e-62.0596e-72.4417e-8132.285
LSD GUHHZ1.2863e-62.8847e-72.5335e-77.3925e-82.9400e-83.8485e-61.3201e-64.3299e-86.9005e-9140.314
LSD GUHHN1.3532e-63.1360e-72.6181e-79.1089e-84.5042e-82.8152e-61.6214e-66.3629e-88.8528e-9140.314
LSD GUHHE1.2446e-62.5713e-72.7148e-79.9035e-83.6159e-82.4606e-62.3750e-65.0994e-88.1588e-9140.314
PCP GUHHZ1.7406e-64.5552e-73.0239e-71.6998e-78.6917e-84.0591e-61.9534e-69.6956e-81.1992e-8151.177
PCP GUHHN1.7938e-64.8761e-72.5744e-71.3244e-74.9449e-83.1077e-61.4984e-66.5478e-88.8646e-9151.177
PCP GUHHE1.7049e-64.2752e-73.3198e-77.9872e-85.3024e-84.1218e-62.8646e-68.9161e-81.1953e-8151.177
*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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