MANUAL Location - Area: Francia , magnitude (ML): 2.1
2025-08-06 12:51:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-08-07 07:56:54

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Earthquake info - Manual location
Event - ID :250806125037
Magnitude (ML) :2.1 +/- 0.2
Origin Time :2025-08-06 12:51:34.424 (UTC)
Location : Latitude: 44.244 N, Longitude: 6.700 E
Area :Francia
Depth (km) :6.52
Distances (km) : 25.4 --- Argentera
28.7 --- Pietraporzio
31.6 --- Sambuco
34.6 --- Acceglio
38.4 --- Vinadio
38.5 --- Canosio
38.9 --- Prazzo
39.4 --- Marmora
42.0 --- Aisone
44.7 --- Castelmagno
44.8 --- Stroppo
45.2 --- Bellino
45.2 --- Elva
46.5 --- Celle di Macra
47.6 --- Macra
48.2 --- Demonte
48.4 --- Casteldelfino
49.5 --- Pontechianale
50.1 --- Pradleves
51.9 --- San Damiano Macra

Quality location estimate: Erh: 0.7 km, Erz: 0.6 km, Nf: 46, Gap: 111 °, Rms: 0.23


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.
SURFFR2025-08-06 12:51:40.2600.0140-0.011.692025-08-06 12:51:44.2300.2016-0.231.1228.6
ISOFR2025-08-06 12:51:40.5800.01500.001.682025-08-06 12:51:44.5970.0922-0.201.1829.6
VINDIV2025-08-06 12:51:42.2230.0200-0.001.632025-08-06 12:51:47.1180.0400-0.350.9039.1
OGDIFR2025-08-06 12:51:42.5500.02110.021.602025-08-06 12:51:48.2000.1303-0.380.8941.3
PZZGU2025-08-06 12:51:43.2100.02210.011.592025-08-06 12:51:49.1400.1364-0.261.0944.8
STVGU2025-08-06 12:51:43.9700.02510.270.692025-08-06 12:51:50.2000.15340.330.6850.4
MVIFFR2025-08-06 12:51:44.6500.02710.011.542025-08-06 12:51:51.7800.1625-0.540.7053.3
ENRGU2025-08-06 12:51:45.2300.02910.181.062025-08-06 12:51:51.8300.3087-0.380.8857.7
OGAGFR2025-08-06 12:51:45.9400.0311-0.071.472025-08-06 12:51:53.7400.1875-0.350.9562.3
TURFFR2025-08-06 12:51:46.3000.03210.011.492025-08-06 12:51:53.9890.1915-0.930.3363.1
ESCAFR2025-08-06 12:51:47.7300.03610.141.182025-08-06 12:51:56.6920.3788-0.400.8271.1
SAOFFR2025-08-06 12:51:48.2200.0422-0.181.242025-08-06 12:51:57.5400.2256-0.710.5474.2
RRLGU2025-08-06 12:51:48.3400.0381-0.101.382025-08-06 12:51:57.7840.4489-0.500.7276.1
BHBGU2025-08-06 12:51:48.8400.04010.091.292025-08-06 12:51:58.6640.0400-0.061.2179.7
MLIGIV2025-08-06 12:51:49.1410.0200-0.980.252025-08-06 12:52:00.5290.0400-0.570.6783.7
GBOSGU2025-08-06 12:51:50.6300.04620.071.302025-08-06 12:52:01.6130.28870.210.8191.0
MGROGU2025-08-06 12:51:50.6100.0462-0.710.482025-08-06 12:52:02.5800.3888-0.470.7591.5
IMIGU2025-08-06 12:51:52.3300.0512-0.390.872025-08-06 12:52:05.6300.04000.140.96102.5
ROROGU2025-08-06 12:51:53.6400.0602-0.221.152025-08-06 12:52:06.8200.3928-0.360.79110.1
RSPGU2025-08-06 12:51:54.0400.05520.081.212025-08-06 12:52:07.9980.04000.370.64110.3
QLNOIV2025-08-06 12:51:57.3900.06630.151.042025-08-06 12:52:12.2990.0400-1.020.31131.4
LSDGU2025-08-06 12:51:58.5500.0703-0.350.952025-08-06 12:52:15.3630.0400-0.530.73139.6
PCPGU2025-08-06 12:52:00.2100.07530.360.632025-08-06 12:52:17.8430.0400-0.160.92150.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
PZZ GUHH1.867.00e-144.848
STV GUHH2.113.95e-150.490
ENR GUHH2.258.35e-157.791
OGAG FRHH1.831.94e-162.3348
ESCA FRHH1.881.67e-171.1130
SAOF FRHH1.721.04e-174.2112
RRL GUHH2.081.53e-176.15
BHB GUHH1.821.01e-179.734
MGRO GUHH2.001.24e-191.5104
IMI GUHH2.332.69e-1102.5111
RORO GUHH2.371.85e-1110.197
RSP GUHH1.977.84e-2110.324
QLNO IVHH2.581.94e-1131.486
LSD GUHH2.278.02e-2139.614
PCP GUHH2.348.48e-2150.477


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 FRHHZ2.6629e-53.8024e-62.2286e-61.0522e-65.1588e-78.1930e-51.1714e-56.7478e-71.0041e-729.6103
ISO FRHHN2.8366e-53.7693e-62.1904e-61.0689e-65.2109e-77.1727e-56.3865e-67.9891e-71.1191e-729.6103
ISO FRHHE2.6722e-54.5890e-62.4296e-69.2739e-75.5717e-75.0586e-51.5400e-58.6160e-71.2024e-729.6103
PZZ GUHHZ5.3871e-58.9983e-64.8021e-61.4757e-66.7691e-72.2224e-42.2372e-59.7736e-72.0740e-744.848
PZZ GUHHN8.8250e-51.1618e-55.7489e-62.2901e-61.1641e-63.7499e-42.1148e-51.6637e-62.8418e-744.848
PZZ GUHHE6.8561e-51.2433e-56.0675e-62.8164e-61.1585e-62.2528e-43.3220e-51.5338e-62.6450e-744.848
STV GUHHZ2.2113e-53.9721e-62.8927e-61.0964e-65.1817e-76.2537e-51.6267e-56.8760e-79.8537e-850.490
STV GUHHN2.7714e-54.8202e-63.6342e-61.3512e-67.2542e-77.8496e-51.9876e-51.0223e-61.2330e-750.490
STV GUHHE2.0746e-54.1193e-62.8091e-61.1777e-64.3771e-74.2943e-51.5489e-55.6981e-79.3369e-850.490
ENR GUHHZ4.3436e-55.6922e-64.4952e-62.3577e-69.0242e-71.0712e-42.3208e-51.1524e-61.2687e-757.791
ENR GUHHN7.6640e-51.0139e-57.7355e-63.5601e-61.6595e-61.9900e-44.3687e-52.2990e-62.3818e-757.791
ENR GUHHE7.8904e-59.3177e-65.8175e-61.8840e-68.5337e-72.0113e-42.3279e-51.1471e-61.8164e-757.791
OGAG FRHHZ5.7898e-61.5873e-61.0800e-66.7638e-72.3759e-71.4864e-55.3550e-62.9115e-72.9878e-862.3348
OGAG FRHHN5.3040e-61.3311e-61.1677e-66.0029e-72.2473e-71.5082e-55.9146e-62.8412e-73.6574e-862.3348
OGAG FRHHE4.3262e-61.6269e-61.3555e-61.0674e-65.5916e-71.0815e-59.1861e-65.4023e-75.4751e-862.3348
TURF FRHHZ6.8898e-61.3161e-61.2394e-65.2893e-72.4244e-71.8952e-55.3627e-63.3419e-74.6090e-863.1118
TURF FRHHN7.9146e-61.7147e-61.1807e-63.7657e-71.6553e-72.4826e-55.4775e-62.3909e-74.2425e-863.1118
TURF FRHHE7.2313e-61.2292e-61.2822e-64.8352e-71.7710e-72.0853e-58.9279e-62.6334e-73.7176e-863.1118
ESCA FRHHZ1.0702e-52.0505e-61.1796e-65.5607e-72.5721e-71.9920e-56.2389e-63.1549e-73.2853e-871.1130
ESCA FRHHN8.7010e-61.4670e-61.3656e-65.0693e-72.1650e-73.0873e-56.3650e-63.0452e-74.1664e-871.1130
ESCA FRHHE8.5404e-62.0724e-61.5728e-65.6679e-73.4412e-72.4886e-56.3748e-64.2778e-75.6840e-871.1130
SAOF FRHHZ3.0996e-61.1107e-69.3086e-75.0811e-72.0302e-79.3688e-67.1511e-62.2740e-72.7754e-874.2112
SAOF FRHHN3.4832e-67.7089e-77.2866e-73.6561e-71.5417e-78.5635e-64.4302e-61.6874e-72.0279e-874.2112
SAOF FRHHE3.2244e-68.1951e-79.0030e-74.0251e-71.6537e-71.2007e-57.8799e-62.3805e-72.6344e-874.2112
RRL GUHHZ5.4908e-69.7916e-76.9162e-74.3893e-71.6293e-71.1681e-54.0943e-62.0471e-72.4522e-876.15
RRL GUHHN5.0399e-61.5350e-61.2012e-66.8834e-72.6563e-71.6270e-56.4969e-63.8048e-74.3858e-876.15
RRL GUHHE4.8791e-61.0396e-69.5303e-75.7668e-72.1466e-72.0057e-56.1794e-62.6966e-73.1220e-876.15
BHB GUHHZ1.1695e-52.3219e-61.1459e-64.0799e-71.6742e-75.8287e-54.5945e-62.5421e-74.5839e-879.734
BHB GUHHN6.8451e-61.3063e-69.5666e-73.5095e-71.5741e-72.0848e-54.3777e-61.8775e-73.2833e-879.734
BHB GUHHE7.1917e-61.2216e-69.0623e-74.4418e-71.6687e-72.0548e-54.3143e-62.1676e-73.1889e-879.734
GBOS GUHHZ1.4739e-53.9472e-62.3390e-68.5103e-74.1867e-74.4114e-51.2424e-55.8994e-71.0255e-791.090
GBOS GUHHN1.1726e-52.5632e-62.1797e-67.3226e-73.0558e-74.5526e-51.0848e-54.5022e-76.4660e-891.090
GBOS GUHHE1.5567e-53.3023e-62.8048e-61.0795e-64.4416e-76.3120e-51.1534e-56.0297e-78.4477e-891.090
MGRO GUHHZ5.3271e-67.7382e-77.7779e-74.9600e-71.7002e-71.2985e-54.7834e-62.0359e-72.6788e-891.5104
MGRO GUHHN6.0187e-61.5400e-61.0600e-65.5295e-72.6350e-71.8532e-56.9036e-63.5633e-74.3680e-891.5104
MGRO GUHHE5.4856e-61.4784e-61.1306e-64.6123e-71.5236e-71.4182e-56.4269e-62.0545e-73.1549e-891.5104
IMI GUHHZ1.0174e-51.8520e-61.1833e-64.5238e-71.8305e-72.3354e-56.8839e-62.6797e-74.4563e-8102.5111
IMI GUHHN1.6325e-52.9876e-62.1080e-68.8840e-74.5015e-73.6921e-51.4878e-55.4414e-77.2889e-8102.5111
IMI GUHHE1.0170e-51.8745e-61.6710e-66.5245e-73.1397e-74.0104e-59.1439e-64.7035e-75.2721e-8102.5111
RORO GUHHZ6.5395e-61.4845e-61.0608e-63.0935e-71.3739e-72.3167e-55.2350e-62.0362e-73.2578e-8110.197
RORO GUHHN7.7988e-61.7601e-61.4176e-64.1057e-71.7417e-71.9724e-55.4128e-62.6313e-74.4616e-8110.197
RORO GUHHE8.1637e-61.6432e-61.2751e-63.4621e-72.0378e-71.8585e-56.2300e-63.0280e-75.2630e-8110.197
RSP GUHHZ4.1939e-69.7449e-76.6702e-72.5658e-71.1888e-79.5114e-63.5245e-61.4578e-71.8711e-8110.324
RSP GUHHN3.6206e-68.0351e-76.7621e-72.4647e-71.1283e-71.0572e-52.8222e-61.5333e-72.2439e-8110.324
RSP GUHHE4.1749e-69.1232e-78.8306e-73.1787e-71.2045e-71.6323e-55.1894e-61.6429e-72.6614e-8110.324
QLNO IVHHZ4.2793e-61.1821e-69.7563e-74.3997e-71.5792e-71.1195e-55.8251e-62.0693e-72.8658e-8131.486
QLNO IVHHN6.5208e-61.4915e-61.1011e-65.1742e-72.1451e-72.2852e-54.2599e-62.8242e-73.5007e-8131.486
QLNO IVHHE5.7544e-61.7453e-61.5843e-66.9749e-72.7696e-71.9779e-51.0107e-54.1392e-75.0969e-8131.486
LSD GUHHZ1.9619e-65.2676e-74.3998e-71.2868e-75.2780e-85.3642e-62.3866e-68.1655e-81.2127e-8139.614
LSD GUHHN1.6064e-65.1105e-74.9611e-71.8468e-79.3798e-83.7372e-64.0941e-61.3046e-71.7695e-8139.614
LSD GUHHE1.4758e-64.6496e-74.4028e-71.5105e-76.1758e-84.4816e-63.9195e-68.6244e-81.4220e-8139.614
PCP GUHHZ2.0854e-65.6535e-74.3132e-72.5720e-71.2164e-74.7816e-63.3237e-61.5051e-71.8786e-8150.477
PCP GUHHN1.9104e-65.3669e-73.9549e-72.2985e-78.5796e-84.0621e-62.9835e-61.1804e-71.1347e-8150.477
PCP GUHHE2.5692e-65.8210e-74.3221e-71.4263e-76.2746e-84.9749e-64.3620e-69.1287e-81.4880e-8150.477
*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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