MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.2
2025-07-01 20:33:15 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-02 07:25:46

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Earthquake info - Manual location
Event - ID :250701203252
Magnitude (ML) :1.2 +/- 0.2
Origin Time :2025-07-01 20:33:15.963 (UTC)
Location : Latitude: 44.578 N, Longitude: 6.691 E
Area :Alpi Cozie
Depth (km) :5.49
Distances (km) : 25.8 --- Bellino
26.3 --- Acceglio
27.1 --- Pontechianale
28.1 --- Argentera
30.0 --- Casteldelfino
30.7 --- Prazzo
31.8 --- Elva
33.8 --- Canosio
34.6 --- Marmora
35.4 --- Stroppo
37.5 --- Pietraporzio
39.3 --- Crissolo
39.5 --- Sampeyre
39.6 --- Macra
40.1 --- Celle di Macra
40.4 --- Sambuco
40.5 --- Claviere
41.0 --- Oncino
41.4 --- Ostana
42.4 --- Bobbio Pellice

Quality location estimate: Erh: 1.2 km, Erz: 1.1 km, Nf: 35, Gap: 185 °, Rms: 0.20


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.
SURFFR2025-07-01 20:33:19.6600.00800.221.222025-07-01 20:33:21.9900.0471-0.031.4115.5
OGAGFR2025-07-01 20:33:21.4000.0130-0.041.392025-07-01 20:33:25.0500.0802-0.250.8227.0
PZZGU2025-07-01 20:33:22.9600.02310.001.472025-07-01 20:33:27.8200.1053-0.190.9835.3
RRLGU2025-07-01 20:33:23.8600.02910.051.482025-07-01 20:33:29.4600.11830.091.3239.6
VINDIV2025-07-01 20:33:25.2900.02000.051.482025-07-01 20:33:31.4200.1002-0.320.7649.0
ISOFR2025-07-01 20:33:25.9900.02710.191.302025-07-01 20:33:32.0090.1584-0.510.4952.7
BHBGU2025-07-01 20:33:26.3100.02710.221.232025-07-01 20:33:32.9040.1615-0.360.7253.8
STVGU2025-07-01 20:33:27.5400.03210.261.112025-07-01 20:33:35.1050.1935-0.041.1262.9
ENRGU2025-07-01 20:33:28.5300.03510.071.422025-07-01 20:33:37.3890.21060.220.9969.9
RSPGU2025-07-01 20:33:30.7700.03910.600.262025-07-01 20:33:40.4700.23460.260.9078.1
TURFFR2025-07-01 20:33:32.1600.04420.370.802025-07-01 20:33:42.5500.2627-0.390.7087.4
SAOFFR2025-07-01 20:33:33.4500.04820.300.972025-07-01 20:33:44.5850.2907-0.530.5595.3
GBOSGU2025-07-01 20:33:33.3700.05020.151.272025-07-01 20:33:45.0600.4048-0.160.7998.8
ESCAFR2025-07-01 20:33:34.1000.05020.141.272025-07-01 20:33:46.0860.5319-0.510.5499.5
MLIGIV2025-07-01 20:33:33.9830.0803-0.530.45--:---.-----.---.-- 102.8
LSDGU2025-07-01 20:33:34.8080.08030.221.122025-07-01 20:33:47.1700.3517-0.450.62104.2
MGROGU2025-07-01 20:33:34.8400.0542-0.270.852025-07-01 20:33:48.7000.32270.140.84107.2
BURYGU2025-07-01 20:33:36.0300.0572-0.081.17--:---.-----.---.-- 112.3
QLNOIV2025-07-01 20:33:39.0800.06830.051.20--:---.-----.---.-- 134.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH0.819.69e-227.0333
PZZ GUHH1.202.44e-135.3103
RRL GUHH0.994.78e-239.612
ISO FRHH0.822.71e-252.7147
BHB GUHH0.973.38e-253.858
STV GUHH1.132.60e-262.9126
ENR GUHH1.356.93e-269.9124
RSP GUHH1.062.20e-278.135
TURF FRHH1.302.75e-287.4140
SAOF FRHH1.081.35e-295.3133
GBOS GUHH1.793.25e-298.8112
ESCA FRHH1.241.75e-299.5147
LSD GUHH1.352.04e-2104.219
MGRO GUHH1.201.34e-2107.2123


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 FRHHZ4.2432e-61.3529e-61.0433e-64.5196e-71.9600e-71.5224e-56.2294e-62.4892e-73.3583e-827.0333
OGAG FRHHN6.4953e-61.2636e-68.8012e-73.2018e-71.4208e-71.6293e-53.8888e-62.1012e-73.1649e-827.0333
OGAG FRHHE4.6027e-69.7552e-79.4111e-73.8127e-71.9636e-71.1010e-56.1246e-62.4838e-73.1289e-827.0333
PZZ GUHHZ1.5636e-52.1605e-61.6240e-64.3766e-72.5046e-73.9899e-59.2819e-63.7541e-76.3070e-835.3103
PZZ GUHHN1.3609e-52.8755e-61.8792e-65.2294e-72.7131e-75.7749e-57.9219e-64.1567e-76.9991e-835.3103
PZZ GUHHE1.3264e-52.4522e-62.3490e-66.8255e-73.4404e-73.9961e-51.7901e-54.8914e-77.0579e-835.3103
RRL GUHHZ3.6313e-64.8512e-72.8523e-71.1811e-74.9075e-87.6581e-61.0634e-66.7453e-81.1799e-839.612
RRL GUHHN3.8173e-67.6117e-74.9147e-71.2559e-75.8621e-81.2571e-52.5579e-69.4076e-81.8274e-839.612
RRL GUHHE2.7685e-64.6152e-73.4031e-71.3542e-75.6776e-81.1547e-51.7217e-67.5856e-81.2828e-839.612
ISO FRHHZ5.5095e-65.7721e-72.2565e-75.1759e-82.8222e-89.8736e-68.0258e-75.4326e-81.2459e-852.7147
ISO FRHHN4.8651e-65.6714e-72.1287e-77.0080e-83.1098e-88.3432e-67.3595e-75.3382e-81.1782e-852.7147
ISO FRHHE4.7405e-66.0117e-72.3517e-79.0670e-83.3081e-81.2750e-59.4318e-74.9977e-81.1150e-852.7147
BHB GUHHZ4.4781e-66.7256e-73.7092e-71.0006e-74.9716e-81.4096e-51.3577e-69.4914e-81.5304e-853.858
BHB GUHHN3.3840e-66.2000e-73.5929e-78.9948e-84.3707e-81.3392e-51.6261e-66.7952e-81.2841e-853.858
BHB GUHHE4.0834e-65.2501e-72.6744e-77.3815e-83.5982e-89.2624e-61.3366e-67.3458e-81.1865e-853.858
STV GUHHZ3.0742e-64.3712e-72.5450e-77.7668e-83.2562e-89.5542e-61.3159e-65.0025e-89.0346e-962.9126
STV GUHHN3.5769e-65.8205e-72.3015e-76.9118e-83.5596e-81.0077e-59.1303e-75.9391e-81.3521e-862.9126
STV GUHHE3.7528e-64.7808e-72.2498e-76.1450e-82.8800e-81.1177e-58.8452e-74.9613e-89.9892e-962.9126
ENR GUHHZ8.2715e-67.9474e-73.2092e-79.2374e-84.6872e-81.1281e-51.4555e-66.6198e-81.5422e-869.9124
ENR GUHHN2.3843e-52.2424e-65.8444e-71.6073e-79.3112e-82.3688e-52.1351e-61.4137e-74.2618e-869.9124
ENR GUHHE2.1473e-52.2226e-65.1974e-71.3337e-76.3561e-82.8100e-52.0167e-61.5025e-74.0073e-869.9124
RSP GUHHZ1.6679e-62.2919e-71.5812e-77.0107e-82.4354e-83.7891e-64.9627e-73.7354e-86.1039e-978.135
RSP GUHHN2.0362e-63.2988e-72.3003e-76.7418e-82.6161e-84.9946e-67.3230e-73.9081e-86.7404e-978.135
RSP GUHHE2.7705e-64.1044e-72.2263e-76.0004e-82.8557e-87.2197e-61.0589e-64.4006e-88.5792e-978.135
TURF FRHHZ1.2302e-63.1289e-71.7807e-76.5404e-82.8362e-83.8462e-66.6186e-74.4135e-87.3166e-987.4140
TURF FRHHN1.5958e-62.7095e-72.0636e-78.2455e-83.2176e-85.3633e-66.8150e-74.3794e-87.3295e-987.4140
TURF FRHHE1.0287e-62.7010e-72.2204e-71.2753e-74.1296e-82.9166e-61.1804e-65.8950e-87.6482e-987.4140
SAOF FRHHZ8.1797e-72.1007e-71.7483e-76.0356e-83.2021e-82.2479e-61.4174e-64.7216e-87.2471e-995.3133
SAOF FRHHN7.3879e-71.8062e-71.6028e-75.3132e-81.9818e-81.5749e-61.1973e-62.9255e-84.0127e-995.3133
SAOF FRHHE8.1891e-71.8649e-71.3117e-74.7352e-82.0673e-82.1856e-69.9930e-72.8207e-84.3580e-995.3133
GBOS GUHHZ1.1176e-62.0116e-71.5574e-74.3609e-82.5594e-84.2468e-61.0103e-64.2134e-85.4192e-998.8112
GBOS GUHHN9.4019e-61.7571e-61.1009e-68.7089e-74.8252e-71.6336e-56.6663e-66.5905e-76.3375e-898.8112
GBOS GUHHE1.2410e-62.2913e-71.4263e-74.2954e-82.2292e-84.2722e-69.9645e-73.3523e-85.2569e-998.8112
ESCA FRHHZ1.2492e-61.3960e-71.1823e-74.4992e-81.7215e-81.9856e-64.8290e-72.6487e-83.6154e-999.5147
ESCA FRHHN1.1691e-62.0148e-71.4022e-74.8729e-81.8689e-83.6464e-65.8126e-72.8723e-84.5182e-999.5147
ESCA FRHHE1.3509e-62.7442e-71.7429e-74.6490e-82.6674e-82.9301e-69.1218e-73.8202e-86.0836e-999.5147
LSD GUHHZ6.5982e-71.6494e-71.3096e-74.3433e-82.0004e-81.5846e-67.0215e-72.7355e-84.2174e-9104.219
LSD GUHHN6.5179e-71.3114e-71.0897e-74.7137e-81.6750e-82.6029e-64.5691e-72.2816e-83.1679e-9104.219
LSD GUHHE8.5663e-72.2426e-72.1273e-75.9639e-82.6993e-82.7202e-61.0424e-63.9128e-86.1845e-9104.219
MGRO GUHHZ5.7633e-71.2823e-77.4870e-82.8330e-81.1659e-81.7056e-64.9006e-71.6416e-83.0693e-9107.2123
MGRO GUHHN6.1586e-71.4342e-71.0668e-74.5300e-81.7212e-82.6978e-65.6637e-72.5094e-83.6501e-9107.2123
MGRO GUHHE7.3769e-71.2114e-78.7838e-83.1585e-81.4074e-81.9269e-63.8021e-71.8597e-83.2253e-9107.2123
*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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