MANUAL Location - Area: Francia , magnitude (ML): 3.5
2025-05-06 01:40:07 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-06 07:23:00

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Earthquake info - Manual location
Event - ID :250506013906
Magnitude (ML) :3.5 +/- 0.2
Origin Time :2025-05-06 01:40:07.571 (UTC)
Location : Latitude: 45.375 N, Longitude: 6.090 E
Area :Francia
Depth (km) :14.89
Distances (km) : 58.1 --- Bardonecchia
69.5 --- Oulx
70.7 --- Salbertrand
70.8 --- Claviere
71.6 --- Sauze d Oulx
72.4 --- Moncenisio
72.4 --- Cesana Torinese
72.6 --- Exilles
75.2 --- Novalesa
75.7 --- Chiomonte
75.8 --- Venaus
76.9 --- La Thuile
76.9 --- Giaglione
77.2 --- Sestriere
77.3 --- Sauze di Cesana
77.8 --- Pragelato
78.0 --- Gravere
78.3 --- Mompantero
79.7 --- Susa
81.0 --- Valgrisenche

Quality location estimate: Erh: 1.9 km, Erz: 2.4 km, Nf: 49, Gap: 225 °, Rms: 0.35


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.
OGMOFR2025-05-06 01:40:18.0500.02810.920.402025-05-06 01:40:25.4830.04001.550.0652.1
RSLFR2025-05-06 01:40:18.0900.02910.001.592025-05-06 01:40:24.9600.1705-0.261.2356.3
OGAGFR2025-05-06 01:40:21.2400.0391-0.251.282025-05-06 01:40:30.2450.2356-1.430.1375.9
RRLGU2025-05-06 01:40:21.5500.0402-0.091.522025-05-06 01:40:31.7600.23360.021.3076.4
LSDGU2025-05-06 01:40:23.0700.04420.520.782025-05-06 01:40:33.2520.04000.351.1083.8
COURMFR2025-05-06 01:40:23.1300.04920.061.522025-05-06 01:40:33.4830.1002-0.251.2185.6
BLANCGU2025-05-06 01:40:23.2100.02000.121.452025-05-06 01:40:33.4300.2587-0.361.0385.8
MRGEIV2025-05-06 01:40:23.7000.05120.011.532025-05-06 01:40:34.7640.1002-0.011.3688.9
LATOIV2025-05-06 01:40:27.0660.04010.291.172025-05-06 01:40:40.5070.04000.351.08108.5
BHBGU2025-05-06 01:40:27.5000.05820.171.362025-05-06 01:40:41.5020.04000.141.25110.9
SURFFR2025-05-06 01:40:27.7800.0602-0.191.352025-05-06 01:40:41.9100.3517-0.960.44115.5
CIROGU2025-05-06 01:40:28.6300.0623-0.430.942025-05-06 01:40:43.1260.0400-0.490.87119.2
PZZGU2025-05-06 01:40:29.3700.0663-0.061.442025-05-06 01:40:45.6030.04000.181.19126.8
DIXCH2025-05-06 01:40:30.4400.0673-0.181.332025-05-06 01:40:45.3800.0400-1.320.19129.8
OGDIFR2025-05-06 01:40:32.5000.07230.251.222025-05-06 01:40:49.4290.0400-0.590.76142.0
SENINCH2025-05-06 01:40:32.9250.0793-0.181.302025-05-06 01:40:50.4320.0400-0.670.68145.3
VINDIV2025-05-06 01:40:32.5640.02000.061.402025-05-06 01:40:50.1260.0400-0.450.90146.8
MONCIV2025-05-06 01:40:35.0600.07731.710.002025-05-06 01:40:54.4290.04001.950.00148.4
VANNICH2025-05-06 01:40:33.8700.07730.231.242025-05-06 01:40:52.5550.04000.720.70150.0
SATIGU2025-05-06 01:40:33.7900.08240.171.302025-05-06 01:40:51.5640.0400-0.520.83150.1
OROIV2025-05-06 01:40:34.0000.07830.670.682025-05-06 01:40:52.5600.20051.040.44150.8
ISOFR2025-05-06 01:40:34.4700.07930.870.502025-05-06 01:40:51.8750.0400-0.301.03153.3
STVGU2025-05-06 01:40:35.3500.08241.300.002025-05-06 01:40:54.8430.04001.610.00159.7
MMKCH2025-05-06 01:40:36.2910.02000.770.592025-05-06 01:40:55.3620.13030.021.11164.7
EMBDCH2025-05-06 01:40:36.1460.02000.211.262025-05-06 01:40:56.6270.04000.730.70165.0
ENRGU2025-05-06 01:40:35.6890.02000.960.422025-05-06 01:40:56.5860.04002.090.00165.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
OGAG FRHH3.627.90e+075.9151
RRL GUHH3.071.46e+076.4132
LSD GUHH3.152.11e+083.883
COURMFRHH3.839.83e+085.654
BLANCGUHH3.423.75e+085.851
MRGE IVHH3.302.26e+088.959
BHB GUHH3.401.79e+0110.9123
CIRO GUHH3.581.32e+0119.277
PZZ GUHH3.593.63e+0126.8140
MONC IVHH3.612.22e+0148.4102
VANNICHHH3.762.06e+0150.051
SATI GUHH3.465.83e-1150.167
ORO IVEH3.933.00e+0150.879
STV GUHH3.679.38e-1159.7142
MMK CHHH3.901.17e+0164.762
EMBD CHHH3.569.82e-1165.055
ENR GUHH3.651.64e+0165.6140


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.
(°)
OGAG FRHHZ1.2820e-43.3457e-53.4442e-52.2666e-57.8379e-63.6073e-42.0847e-41.0663e-51.1102e-675.9151
OGAG FRHHN1.6297e-44.2612e-53.2135e-51.9260e-51.3347e-54.0139e-41.5655e-41.8576e-51.5186e-675.9151
OGAG FRHHE1.4983e-45.6105e-54.8222e-53.3135e-51.5909e-52.3822e-43.0903e-41.9350e-52.3019e-675.9151
RRL GUHHZ2.4491e-55.5237e-64.2164e-63.3295e-63.5277e-65.8876e-52.7025e-55.8612e-62.4557e-776.4132
RRL GUHHN2.2508e-58.9758e-68.5910e-68.1520e-64.1443e-66.1307e-55.0949e-56.7931e-64.1704e-776.4132
RRL GUHHE2.5799e-58.5153e-68.3956e-67.9701e-67.0380e-65.6986e-55.1267e-51.1109e-54.2719e-776.4132
LSD GUHHZ5.7340e-51.1245e-59.8893e-65.4863e-62.9050e-61.1987e-46.7811e-53.4188e-63.5293e-783.883
LSD GUHHN6.0524e-51.8290e-51.6168e-57.2838e-63.4187e-61.5541e-41.2678e-44.2627e-64.7885e-783.883
LSD GUHHE5.9597e-51.5188e-51.2028e-56.0244e-62.6072e-61.7581e-46.0085e-53.4203e-63.5186e-783.883
COURMFRHHZ4.1279e-45.9051e-53.6608e-58.8836e-64.5668e-68.1828e-41.4391e-47.1941e-61.3718e-685.654
COURMFRHHN3.5495e-48.7468e-58.6161e-53.5017e-51.4598e-51.0394e-37.3396e-41.8345e-52.6013e-685.654
COURMFRHHE3.1615e-47.4387e-54.8753e-52.0724e-58.1190e-61.3138e-32.7184e-41.0943e-51.7185e-685.654
BLANCGUHHZ2.3351e-43.5167e-51.9623e-58.3782e-64.5778e-64.7524e-49.6943e-58.1478e-69.6632e-785.851
BLANCGUHHN2.2466e-42.9487e-52.0344e-51.1090e-54.9938e-63.5838e-41.0913e-46.2625e-66.2811e-785.851
BLANCGUHHE1.5613e-43.6082e-53.3935e-51.5630e-58.0008e-63.6388e-42.0328e-49.5818e-61.1041e-685.851
MRGE IVHHZ9.2934e-51.4746e-51.5902e-57.4407e-64.3998e-61.6842e-48.6680e-56.2246e-65.0822e-788.959
MRGE IVHHN2.8113e-43.5053e-51.5663e-55.8486e-63.1910e-65.4332e-48.3257e-54.4144e-67.1787e-788.959
MRGE IVHHE1.8928e-42.6905e-51.8212e-51.0820e-56.0467e-63.7253e-47.3610e-57.4250e-67.8849e-788.959
BHB GUHHZ4.9962e-51.4452e-54.3986e-62.7435e-61.7585e-61.2511e-42.1601e-52.5124e-61.4971e-7110.9123
BHB GUHHN1.9789e-55.6850e-64.7278e-63.8898e-61.6920e-64.7853e-51.8525e-52.1796e-61.8856e-7110.9123
BHB GUHHE2.6427e-57.1681e-64.4600e-62.6954e-61.3569e-63.9816e-52.0751e-51.7833e-61.2249e-7110.9123
CIRO GUHHZ1.0689e-55.3031e-63.6924e-62.3195e-69.3244e-73.1294e-52.3399e-59.2285e-78.7989e-8119.277
CIRO GUHHN1.3990e-54.0218e-64.1289e-62.1269e-68.6293e-74.2349e-51.7877e-51.2933e-61.2909e-7119.277
CIRO GUHHE1.0944e-55.8957e-63.3683e-62.3765e-61.4189e-63.7603e-52.9321e-51.7959e-61.4500e-7119.277
PZZ GUHHZ2.8582e-58.9247e-67.0318e-63.9791e-62.0258e-68.4007e-53.7254e-52.1191e-62.6274e-7126.8140
PZZ GUHHN3.2954e-51.1536e-59.0291e-66.2360e-64.2210e-66.5121e-53.5797e-55.2803e-63.2199e-7126.8140
PZZ GUHHE2.8152e-51.0359e-59.1931e-64.7904e-63.7572e-67.5955e-55.8004e-55.4436e-63.7309e-7126.8140
DIX CHHHZ1.8178e-46.9291e-53.4176e-51.4761e-56.7650e-63.0642e-42.5512e-41.0403e-51.0216e-6129.852
DIX CHHHN1.7216e-46.5447e-53.2414e-51.7407e-58.2223e-63.0060e-41.7476e-41.0617e-51.0497e-6129.852
DIX CHHHE1.3966e-44.4129e-52.4770e-57.9780e-65.1740e-63.2755e-41.6658e-47.4210e-68.2090e-7129.852
SENINCHHHZ7.3595e-52.1095e-59.4328e-65.4152e-62.9114e-61.4858e-44.6473e-54.3337e-63.7477e-7145.340
SENINCHHHN3.8624e-51.1952e-58.8326e-66.1870e-62.7364e-61.0362e-44.1222e-53.9286e-63.5390e-7145.340
SENINCHHHE4.8559e-51.1573e-58.5991e-64.6526e-62.4295e-61.3858e-43.9022e-52.9030e-62.8943e-7145.340
MONC IVHHZ1.8431e-56.9362e-67.0203e-65.6089e-62.9292e-64.4103e-53.7927e-54.2563e-63.5419e-7148.4102
MONC IVHHN1.9737e-57.2061e-67.6716e-65.6869e-62.2920e-63.6486e-54.5863e-53.1650e-62.7220e-7148.4102
MONC IVHHE1.6196e-57.6550e-67.4011e-66.2772e-63.7788e-64.3548e-53.5941e-55.7166e-63.1432e-7148.4102
VANNICHHHZ9.8089e-63.1707e-63.0677e-62.5899e-61.8599e-62.3950e-51.8749e-52.9017e-61.3360e-7150.051
VANNICHHHN6.4469e-62.8379e-62.6346e-62.5883e-61.6493e-61.4473e-51.7559e-52.0774e-61.1517e-7150.051
VANNICHHHE6.4241e-62.9052e-62.4567e-62.5106e-61.4466e-61.4049e-51.3079e-52.1861e-69.9254e-8150.051
SATI GUHHZ7.7720e-61.5896e-61.4480e-68.6049e-73.1472e-71.3295e-57.6612e-64.3258e-74.6100e-8150.167
SATI GUHHN1.1886e-51.8511e-61.4813e-68.6792e-74.4548e-72.5820e-57.7883e-65.9714e-75.8265e-8150.167
SATI GUHHE1.0205e-52.0893e-61.8490e-69.9130e-74.4580e-73.7910e-57.9270e-65.1486e-75.3661e-8150.167
ORO IVEHZ2.4945e-57.7109e-66.7296e-63.3503e-62.1264e-66.1616e-53.2472e-52.5130e-61.8079e-7150.879
ORO IVEHN3.0802e-58.8976e-68.3621e-64.9772e-62.1634e-65.5826e-55.3795e-53.3470e-63.2032e-7150.879
ORO IVEHE3.0978e-51.1402e-51.1400e-57.2559e-63.3039e-65.7296e-58.0247e-54.1080e-64.1138e-7150.879
ISO FRHHZ5.7709e-61.6301e-69.6380e-78.9814e-75.5396e-71.6573e-53.8347e-66.7878e-75.8644e-8153.3150
ISO FRHHN3.8705e-61.4419e-67.7788e-79.0277e-75.8656e-71.1999e-53.6940e-67.8839e-76.0000e-8153.3150
ISO FRHHE5.3966e-61.1763e-69.9258e-75.4620e-72.3462e-71.1696e-55.4004e-63.1695e-72.6889e-8153.3150
STV GUHHZ8.1329e-61.6783e-62.0909e-61.7865e-61.0429e-62.2107e-51.2071e-51.2759e-68.8399e-8159.7142
STV GUHHN4.2278e-61.9356e-61.4739e-61.9684e-61.2904e-61.0153e-59.3617e-61.7063e-67.6106e-8159.7142
STV GUHHE3.5692e-61.5159e-61.2152e-61.5540e-68.6661e-71.0427e-57.1824e-69.4106e-75.6902e-8159.7142
MMK CHHHZ8.1811e-62.2153e-62.2145e-61.3256e-65.1417e-72.1793e-51.2890e-56.6136e-77.6362e-8164.762
MMK CHHHN5.8314e-61.9486e-61.7786e-61.6022e-66.2987e-71.5874e-58.5111e-66.7759e-77.8858e-8164.762
MMK CHHHE5.8799e-61.7681e-61.8498e-61.5324e-68.0670e-71.5878e-59.9406e-61.0234e-68.6288e-8164.762
EMBD CHHHZ4.9604e-62.6961e-62.2660e-62.4958e-61.1150e-61.5515e-51.1937e-51.5026e-61.1187e-7165.055
EMBD CHHHN4.6808e-61.5551e-61.6133e-61.5843e-67.4353e-71.6237e-51.0191e-59.5025e-75.4688e-8165.055
EMBD CHHHE5.4942e-63.1546e-62.2099e-62.9449e-61.7004e-61.3405e-51.2057e-52.6503e-61.4220e-7165.055
ENR GUHHZ1.1890e-53.7819e-63.4898e-62.8359e-61.0843e-63.5673e-51.9899e-51.3357e-61.0176e-7165.6140
ENR GUHHN2.1054e-55.2570e-65.1353e-65.0899e-61.8406e-66.1393e-51.7547e-52.0907e-61.6854e-7165.6140
ENR GUHHE1.7565e-54.5920e-64.4958e-63.0941e-61.0825e-64.4909e-53.0359e-51.2367e-61.6325e-7165.6140
*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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