MANUAL Location - Area: Alpi Marittime , magnitude (ML): 0.8
2025-10-13 17:32:06 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-14 06:32:08

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Earthquake info - Manual location
Event - ID :251013173120
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-10-13 17:32:06.668 (UTC)
Location : Latitude: 44.300 N, Longitude: 7.332 E
Area :Alpi Marittime
Depth (km) :17.82
Distances (km) : 3.3 --- Demonte
5.2 --- Moiola
5.5 --- Valloriate
5.7 --- Valdieri
7.2 --- Gaiola
7.9 --- Rittana
8.3 --- Entracque
9.1 --- Aisone
9.8 --- Roccasparvera
10.3 --- Roaschia
12.0 --- Roccavione
12.3 --- Monterosso Grana
12.6 --- Vinadio
12.7 --- Bernezzo
12.9 --- Borgo San Dalmazzo
13.0 --- Vignolo
13.1 --- Valgrana
14.0 --- Pradleves
14.3 --- Cervasca
14.3 --- Robilante

Quality location estimate: Erh: 0.9 km, Erz: 1.2 km, Nf: 38, Gap: 79 °, Rms: 0.40


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.
STVGU2025-10-13 17:32:10.3200.01000.031.752025-10-13 17:32:12.2500.0561-0.521.1919.7
ENRGU2025-10-13 17:32:10.6200.0110-0.011.842025-10-13 17:32:12.8590.0621-0.511.1821.6
VINDIV2025-10-13 17:32:09.9130.0200-0.850.502025-10-13 17:32:12.2690.0400-1.310.3221.8
ISOFR2025-10-13 17:32:12.9300.01600.460.162025-10-13 17:32:16.2000.0942-0.201.2231.9
PZZGU2025-10-13 17:32:13.0600.0170-0.041.732025-10-13 17:32:17.4040.1193-0.271.1834.6
TURFFR2025-10-13 17:32:14.3800.02010.111.112025-10-13 17:32:18.9700.1223-0.700.8840.5
SAOFFR2025-10-13 17:32:14.7220.02000.051.512025-10-13 17:32:19.2500.1293-1.040.4343.1
GBOSGU2025-10-13 17:32:14.6800.02310.051.552025-10-13 17:32:19.8990.1344-0.181.2945.0
MLIGIV2025-10-13 17:32:15.0440.0200-0.571.122025-10-13 17:32:20.4850.0400-1.500.2348.0
SURFFR2025-10-13 17:32:15.6800.0251-0.011.652025-10-13 17:32:22.0800.1484-0.041.2649.2
MVIFFR2025-10-13 17:32:15.9700.0251-0.091.492025-10-13 17:32:21.0600.4229-1.810.1450.3
MGROGU2025-10-13 17:32:15.6300.0261-0.421.102025-10-13 17:32:21.7000.1524-1.010.5051.4
ESCAFR2025-10-13 17:32:16.6900.0321-0.001.592025-10-13 17:32:23.0390.1665-0.760.8055.3
PVTIT2025-10-13 17:32:16.6730.0200-0.221.092025-10-13 17:32:23.6120.0400-0.611.0058.1
BHBGU2025-10-13 17:32:16.5900.0361-0.521.152025-10-13 17:32:23.7500.3607-0.750.8262.5
ROROGU2025-10-13 17:32:16.5190.0200-1.400.312025-10-13 17:32:25.3600.1985-0.461.1064.7
IMIGU2025-10-13 17:32:17.8700.0331-0.091.472025-10-13 17:32:25.3400.1945-0.730.8465.0
RRLGU2025-10-13 17:32:20.6830.0200-0.511.122025-10-13 17:32:31.3100.3758-0.161.0183.7
PCPGU2025-10-13 17:32:23.9830.02000.420.292025-10-13 17:32:36.6000.04000.840.08101.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
STV GUHH1.192.82e-119.7184
ISO FRHH0.746.03e-231.9240
PZZ GUHH0.657.22e-234.6323
TURF FRHH1.037.47e-240.5172
SAOF FRHH0.672.85e-243.1153
GBOS GUHH0.922.41e-245.099
MGRO GUHH0.752.43e-251.4127
ESCA FRHH0.822.45e-255.3176
PVT ITHN1.094.14e-258.1121
BHB GUHH0.549.01e-362.5355
RORO GUHH0.579.96e-364.7109
IMI GUHH1.215.76e-265.0134
RRL GUHH0.594.00e-383.7328
PCP GUHH0.685.07e-3101.774


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.
(°)
STV GUHHZ1.5364e-51.2579e-65.4255e-71.0617e-75.9603e-82.3968e-51.9857e-61.1000e-72.5109e-819.7184
STV GUHHN7.4218e-58.4971e-61.5756e-65.9141e-73.6078e-77.9461e-57.0824e-67.4926e-71.9242e-719.7184
STV GUHHE4.7318e-55.9257e-61.7745e-65.4185e-73.4857e-79.1406e-56.9072e-66.0797e-71.3475e-719.7184
ENR GUHHZ7.5562e-57.3069e-61.4071e-63.6189e-72.1202e-76.5188e-54.8498e-65.2454e-71.2170e-721.6139
ENR GUHHN2.1709e-41.9522e-53.6555e-61.2843e-67.7905e-71.3288e-41.5524e-51.6374e-64.3494e-721.6139
ENR GUHHE2.5540e-41.8059e-53.1632e-61.1667e-67.1374e-72.0943e-41.3430e-51.4397e-63.6393e-721.6139
ISO FRHHZ7.5720e-61.0751e-62.2749e-75.9866e-83.5804e-87.9812e-69.0052e-77.5237e-82.1262e-831.9240
ISO FRHHN1.1751e-51.3381e-63.4599e-71.1962e-77.8247e-82.2987e-51.5605e-61.4994e-73.0226e-831.9240
ISO FRHHE1.4758e-51.4025e-62.7081e-78.6327e-85.2797e-81.2772e-51.0335e-61.0424e-72.4061e-831.9240
PZZ GUHHZ7.7303e-61.4664e-67.1829e-71.5749e-78.1097e-81.8058e-52.3791e-61.3783e-73.1737e-834.6323
PZZ GUHHN7.3111e-61.0977e-66.5169e-71.6541e-79.0325e-82.6484e-53.2275e-61.3837e-72.5983e-834.6323
PZZ GUHHE8.5786e-61.2481e-67.0102e-71.8131e-71.0363e-72.1406e-53.7896e-61.6447e-73.2645e-834.6323
TURF FRHHZ2.2937e-63.5361e-71.8220e-76.0827e-82.6330e-84.3262e-68.3002e-73.5738e-87.1928e-940.5172
TURF FRHHN4.2901e-65.9463e-72.4689e-78.3931e-84.1642e-89.1707e-61.1518e-66.0536e-81.1022e-840.5172
TURF FRHHE3.8262e-69.1971e-75.9501e-71.8693e-71.0945e-71.1001e-53.6242e-61.6963e-72.3971e-840.5172
SAOF FRHHZ2.0266e-64.3073e-72.4734e-77.8734e-83.7170e-84.2767e-61.4852e-65.5000e-89.7546e-943.1153
SAOF FRHHN1.7493e-62.9806e-71.8917e-78.6025e-84.1857e-83.4647e-61.0919e-65.4090e-87.7981e-943.1153
SAOF FRHHE2.5071e-64.3636e-72.1310e-79.1091e-83.8670e-85.0539e-61.0820e-65.3408e-89.1956e-943.1153
GBOS GUHHZ2.1926e-63.6206e-71.7705e-75.7569e-83.2889e-89.4115e-66.0366e-74.9429e-88.8808e-945.099
GBOS GUHHN1.8732e-62.4676e-71.5499e-76.1369e-82.6727e-84.8092e-65.0973e-73.6856e-86.1742e-945.099
GBOS GUHHE1.7673e-63.4595e-72.1113e-77.4433e-83.6081e-89.0289e-61.0697e-65.2482e-88.5991e-945.099
MGRO GUHHZ1.9911e-62.2864e-71.1084e-74.9335e-82.3179e-83.0285e-64.0251e-72.9775e-84.8968e-951.4127
MGRO GUHHN2.4234e-62.5452e-71.4769e-75.2075e-82.3013e-84.1588e-68.2405e-73.5281e-85.5811e-951.4127
MGRO GUHHE1.7022e-63.5881e-72.1524e-76.4747e-82.9816e-83.8546e-69.4971e-74.5242e-88.1846e-951.4127
ESCA FRHHZ2.4735e-62.3040e-71.4388e-74.6364e-81.9303e-83.0054e-66.9415e-73.0490e-85.1509e-955.3176
ESCA FRHHN2.4277e-63.0683e-71.6998e-74.3092e-82.7819e-85.7798e-66.7625e-74.7649e-86.9940e-955.3176
ESCA FRHHE2.6874e-64.5958e-72.2845e-75.9574e-83.3755e-87.5730e-61.2152e-65.0154e-88.7389e-955.3176
PVT ITHNZ3.5006e-63.8253e-73.3371e-72.6916e-71.7088e-74.0185e-62.2084e-62.0150e-71.2834e-858.1121
PVT ITHNN3.6062e-64.9261e-73.1620e-72.3394e-71.6516e-74.9116e-61.5548e-62.4578e-71.5118e-858.1121
PVT ITHNE4.1291e-64.8144e-73.0479e-73.0735e-71.5900e-76.5745e-61.3590e-61.8182e-71.3379e-858.1121
BHB GUHHZ2.1594e-61.7055e-76.1125e-82.4928e-88.5961e-92.8767e-61.9902e-71.6363e-83.3323e-962.5355
BHB GUHHN1.0945e-61.2922e-75.8321e-81.6142e-87.7944e-92.4678e-62.7042e-71.2526e-82.5858e-962.5355
BHB GUHHE1.4803e-61.7353e-76.6247e-82.9958e-81.2409e-82.9933e-62.5917e-72.1519e-84.2843e-962.5355
RORO GUHHZ9.1474e-71.4853e-76.5018e-82.0178e-81.6358e-82.4277e-63.1543e-72.8512e-83.2442e-964.7109
RORO GUHHN1.3467e-61.8189e-79.7925e-82.7914e-81.3535e-82.6024e-65.1792e-72.0754e-84.5700e-964.7109
RORO GUHHE1.2282e-61.5340e-77.1800e-82.2183e-81.1511e-82.5294e-63.5437e-71.7824e-83.4269e-964.7109
IMI GUHHZ1.3358e-61.9985e-71.2461e-73.2756e-81.9833e-83.1844e-67.1678e-73.2488e-84.2464e-965.0134
IMI GUHHN4.7702e-68.2857e-74.8871e-71.1590e-76.8805e-85.9830e-61.9384e-61.0294e-72.0035e-865.0134
IMI GUHHE1.9611e-63.1347e-72.1025e-77.1429e-83.5014e-83.7549e-61.1703e-64.4190e-88.5458e-965.0134
RRL GUHHZ2.1884e-72.6259e-81.7225e-81.0701e-87.0152e-95.5743e-77.7008e-89.8327e-99.4489e-1083.7328
RRL GUHHN3.1058e-74.8745e-83.2142e-81.5365e-86.6190e-91.0048e-61.4458e-79.5503e-91.2335e-983.7328
RRL GUHHE2.5805e-74.8251e-82.8142e-81.3119e-87.8141e-91.0688e-61.1441e-71.1264e-81.3142e-983.7328
PCP GUHHZ2.8051e-76.5620e-85.3160e-82.0778e-81.1372e-87.9602e-73.9653e-71.7518e-82.0336e-9101.774
PCP GUHHN3.6364e-76.0254e-84.3738e-81.8965e-81.4038e-81.2051e-63.1648e-72.1342e-81.4883e-9101.774
PCP GUHHE4.4020e-77.1312e-85.3340e-81.7863e-81.1586e-81.4835e-63.0088e-72.0269e-81.6992e-9101.774
*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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