MANUAL Location - Area: Francia , magnitude (ML): 1.5
2025-07-15 00:50:49 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-15 08:55:09

20 km
Lat : Lon
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Earthquake info - Manual location
Event - ID :250715005032
Magnitude (ML) :1.5 +/- 0.1
Origin Time :2025-07-15 00:50:49.965 (UTC)
Location : Latitude: 45.295 N, Longitude: 6.067 E
Area :Francia
Depth (km) :15.99
Distances (km) : 55.2 --- Bardonecchia
66.5 --- Claviere
66.7 --- Oulx
68.5 --- Cesana Torinese
68.7 --- Salbertrand
68.8 --- Sauze d Oulx
71.0 --- Exilles
72.4 --- Moncenisio
73.7 --- Sauze di Cesana
73.8 --- Sestriere
74.6 --- Chiomonte
75.1 --- Novalesa
75.2 --- Pragelato
75.3 --- Venaus
76.1 --- Giaglione
77.0 --- Gravere
77.7 --- Mompantero
79.0 --- Susa
80.1 --- Usseaux
80.8 --- Meana di Susa

Quality location estimate: Erh: 3.1 km, Erz: 4.3 km, Nf: 24, Gap: 252 °, Rms: 0.39


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.
OGMOFR2025-07-15 00:51:00.1600.02910.550.472025-07-15 00:51:06.5990.04000.121.4651.7
RSLFR2025-07-15 00:51:01.0800.0331-0.670.762025-07-15 00:51:08.3000.1765-1.540.2163.7
OGAGFR2025-07-15 00:51:02.8000.0371-0.071.542025-07-15 00:51:11.0800.2076-1.220.3969.6
RRLGU2025-07-15 00:51:03.5100.0391-0.071.532025-07-15 00:51:12.7100.2116-0.690.8372.6
LSDGU2025-07-15 00:51:05.6600.0462-0.021.552025-07-15 00:51:15.9330.0400-0.720.7887.2
MRGEIV2025-07-15 00:51:06.7740.0200-0.450.922025-07-15 00:51:18.0100.3107-1.170.4895.3
RSPGU2025-07-15 00:51:07.6100.05220.161.382025-07-15 00:51:19.8620.04000.041.3596.7
BHBGU2025-07-15 00:51:09.4700.05820.061.482025-07-15 00:51:22.4600.4529-0.780.79108.1
SURFFR2025-07-15 00:51:09.5000.05720.111.442025-07-15 00:51:22.9150.3317-0.421.06109.0
LATOIV2025-07-15 00:51:09.8010.02000.271.182025-07-15 00:51:24.2540.04000.990.19110.2
PZZGU2025-07-15 00:51:11.6000.13160.560.642025-07-15 00:51:25.8300.0400-0.451.06121.6
SENINCH2025-07-15 00:51:16.4950.0783-0.151.342025-07-15 00:51:35.4080.0400-0.131.18153.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH1.701.15e-169.6146
RRL GUHH1.625.85e-272.6126
MRGE IVHH1.422.50e-295.355
RSP GUHH1.302.31e-296.799
BHB GUHH1.381.79e-2108.1118
PZZ GUHH1.584.00e-2121.6136


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 FRHHZ1.1212e-51.7742e-68.4274e-74.0642e-71.4334e-72.8718e-53.1040e-62.0008e-74.0687e-869.6146
OGAG FRHHN8.3656e-61.6957e-61.1698e-64.1370e-71.7547e-72.4117e-55.1370e-62.5597e-74.2453e-869.6146
OGAG FRHHE8.4750e-61.8115e-61.1935e-64.6715e-71.7017e-71.6747e-54.8772e-62.4154e-73.8050e-869.6146
RRL GUHHZ2.0281e-63.3269e-72.1600e-77.4644e-84.4923e-85.1954e-61.2073e-66.2978e-89.8059e-972.6126
RRL GUHHN2.5501e-66.0234e-75.3518e-72.2280e-79.1163e-88.4153e-62.3583e-61.1899e-71.8078e-872.6126
RRL GUHHE2.3589e-66.3049e-75.1952e-71.8342e-78.7498e-87.3517e-62.7633e-61.3044e-71.8673e-872.6126
LSD GUHHZ1.5804e-61.9509e-71.7444e-77.8768e-83.2695e-83.3285e-68.6644e-73.6021e-84.9711e-987.277
LSD GUHHN2.1417e-63.2744e-71.8573e-77.8949e-82.9582e-84.1013e-61.0544e-63.9028e-86.0484e-987.277
LSD GUHHE1.7492e-62.1825e-71.7558e-78.0972e-82.8795e-83.5497e-61.1528e-63.5629e-85.5946e-987.277
MRGE IVHHZ1.8511e-62.9504e-72.6580e-71.2204e-75.1318e-82.5661e-62.3847e-67.3854e-88.3313e-995.355
MRGE IVHHN2.9830e-63.6374e-72.1560e-78.8610e-83.8896e-86.1656e-61.2683e-66.1208e-88.4205e-995.355
MRGE IVHHE2.5041e-63.9710e-72.5524e-71.2341e-75.6148e-86.8977e-61.4404e-66.1236e-88.8625e-995.355
RSP GUHHZ1.8153e-62.4474e-71.2556e-74.9660e-82.1613e-83.2631e-64.9000e-72.7180e-84.9314e-996.799
RSP GUHHN1.4162e-62.4464e-71.8712e-77.4879e-83.3051e-83.7296e-67.4292e-74.1857e-85.9340e-996.799
RSP GUHHE1.6040e-63.2113e-72.1486e-77.3989e-82.8192e-84.7411e-69.9977e-74.4521e-87.7592e-996.799
BHB GUHHZ1.2053e-61.9257e-71.6597e-76.7574e-82.3072e-83.3748e-67.6119e-73.5513e-85.8786e-9108.1118
BHB GUHHN1.2430e-62.5942e-71.7796e-77.3428e-82.7079e-85.1343e-67.2417e-73.8969e-86.3603e-9108.1118
BHB GUHHE9.1298e-71.8353e-71.2505e-75.4744e-82.1529e-84.3252e-65.3066e-72.5279e-84.0019e-9108.1118
PZZ GUHHZ2.1277e-64.4476e-72.9602e-79.9632e-84.6853e-85.3964e-61.3476e-65.6117e-81.0679e-8121.6136
PZZ GUHHN2.1007e-64.4897e-73.2378e-79.4202e-85.9994e-85.4333e-61.5836e-68.4914e-81.3648e-8121.6136
PZZ GUHHE2.4841e-65.0630e-73.8393e-71.0366e-76.2304e-86.0778e-62.3724e-68.1709e-81.3318e-8121.6136
SENINCHHHZ1.1924e-62.0385e-71.4161e-78.1729e-85.2350e-84.2830e-67.3230e-77.7033e-81.4210e-8153.438
SENINCHHHN8.5587e-71.7277e-71.1770e-75.8478e-82.2867e-82.6255e-66.0985e-73.2796e-83.7393e-9153.438
SENINCHHHE8.7633e-71.5166e-71.0916e-74.1093e-81.9637e-82.6869e-65.4615e-72.7220e-84.0031e-9153.438
*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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