MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.7
2025-07-11 06:22:40 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-11 10:16:16

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Earthquake info - Manual location
Event - ID :250711062216
Magnitude (ML) :1.7 +/- 0.2
Origin Time :2025-07-11 06:22:40.126 (UTC)
Location : Latitude: 44.552 N, Longitude: 6.719 E
Area :Alpi Cozie
Depth (km) :4.86
Distances (km) : 23.1 --- Acceglio
23.8 --- Bellino
24.4 --- Argentera
25.7 --- Pontechianale
27.7 --- Prazzo
28.1 --- Casteldelfino
29.4 --- Elva
30.7 --- Canosio
31.4 --- Marmora
32.7 --- Stroppo
33.9 --- Pietraporzio
36.8 --- Sambuco
36.9 --- Macra
37.3 --- Celle di Macra
37.4 --- Sampeyre
38.4 --- Crissolo
39.8 --- Oncino
40.4 --- Ostana
42.1 --- Castelmagno
42.6 --- Bobbio Pellice

Quality location estimate: Erh: 0.9 km, Erz: 0.8 km, Nf: 44, Gap: 177 °, Rms: 0.21


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.
SURFFR2025-07-11 06:22:42.9800.00600.021.552025-07-11 06:22:44.9200.0401-0.161.3211.9
OGAGFR2025-07-11 06:22:45.9600.0150-0.281.022025-07-11 06:22:50.2700.0892-0.291.1030.5
PZZGU2025-07-11 06:22:46.6000.0170-0.071.552025-07-11 06:22:51.2600.0982-0.151.3632.5
RRLGU2025-07-11 06:22:48.3500.0211-0.061.552025-07-11 06:22:54.1770.3187-0.071.0342.0
VINDIV2025-07-11 06:22:48.4820.0200-0.390.842025-07-11 06:22:54.5970.0400-0.400.8645.4
ISOFR2025-07-11 06:22:49.4700.02510.081.342025-07-11 06:22:55.3400.1474-0.390.9048.9
BHBGU2025-07-11 06:22:50.2500.02710.031.462025-07-11 06:22:57.3770.21360.021.1253.6
STVGU2025-07-11 06:22:50.9300.03010.011.472025-07-11 06:22:58.4100.17950.011.1659.3
ENRGU2025-07-11 06:22:52.1000.0341-0.011.462025-07-11 06:23:00.1000.3597-0.350.8466.4
OGMOFR2025-07-11 06:22:53.5670.0200-0.081.442025-07-11 06:23:03.1360.4309-0.150.8473.2
RSPGU2025-07-11 06:22:54.7100.04010.121.142025-07-11 06:23:03.9200.4709-0.880.4179.3
MVIFFR2025-07-11 06:22:55.1630.02000.011.372025-07-11 06:23:05.0300.4198-0.940.3680.7
TURFFR2025-07-11 06:22:55.5600.04220.171.022025-07-11 06:23:05.7890.3818-0.360.8083.7
SAOFFR2025-07-11 06:22:56.9400.04620.180.992025-07-11 06:23:08.0800.2767-0.280.9191.6
GBOSGU2025-07-11 06:22:57.0200.04820.081.212025-07-11 06:23:08.8500.28870.250.7495.6
MLIGIV2025-07-11 06:22:57.5400.0200-0.610.492025-07-11 06:23:10.4780.0400-0.251.0399.2
MGROGU2025-07-11 06:22:58.3700.0200-0.400.872025-07-11 06:23:11.6860.0400-0.171.06103.7
LSDGU2025-07-11 06:22:59.2200.15060.091.102025-07-11 06:23:11.8840.0400-0.550.66106.3
BURYGU2025-07-11 06:22:58.5300.1175-1.180.112025-07-11 06:23:12.4850.3658-0.900.38108.6
BIGNGU2025-07-11 06:22:59.7800.0562-0.041.302025-07-11 06:23:13.1500.3347-0.300.82111.1
ROROGU2025-07-11 06:23:00.4400.0592-0.171.242025-07-11 06:23:14.9800.35570.030.81117.8
PCPGU2025-07-11 06:23:04.8100.07330.360.582025-07-11 06:23:22.4300.04000.570.39144.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH1.493.78e-130.5332
PZZ GUHH1.831.23e+032.599
RRL GUHH1.237.37e-242.08
BHB GUHH1.398.81e-253.654
STV GUHH1.701.08e-159.3125
ENR GUHH1.802.18e-166.4123
RSP GUHH1.485.55e-279.333
TURF FRHH1.697.34e-283.7140
SAOF FRHH1.594.81e-291.6133
GBOS GUHH2.208.95e-295.6111
MGRO GUHH1.704.57e-2103.7123
LSD GUHH1.563.15e-2106.318
BURY GUHH1.623.41e-2108.6142
BIGN GUEH1.724.03e-2111.1133
RORO GUHH1.864.82e-2117.8114
PCP GUHH1.742.33e-2144.890


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 FRHHZ7.5293e-63.0180e-62.5162e-61.2291e-65.8228e-71.6066e-51.9175e-57.9317e-79.9923e-830.5332
OGAG FRHHN1.1795e-52.4097e-62.1234e-68.7543e-73.2674e-73.3664e-51.4926e-54.7614e-77.0551e-830.5332
OGAG FRHHE1.2385e-53.4872e-62.8088e-61.4489e-68.1236e-72.5490e-52.1429e-51.0711e-61.2931e-730.5332
PZZ GUHHZ7.8084e-51.2173e-56.4660e-61.6966e-68.1243e-72.0892e-42.8630e-51.3569e-62.8629e-732.599
PZZ GUHHN7.1493e-51.5845e-51.0892e-53.0622e-61.7112e-62.9080e-43.3410e-52.3851e-63.8992e-732.599
PZZ GUHHE5.4377e-51.0923e-58.5393e-62.4095e-61.2109e-61.4961e-44.4026e-51.6580e-62.7868e-732.599
RRL GUHHZ4.7374e-65.8748e-73.1903e-71.8548e-77.7803e-81.3242e-51.3530e-69.9155e-81.4940e-842.08
RRL GUHHN5.3049e-69.5604e-75.9347e-72.5321e-71.0731e-72.0014e-52.7139e-61.5229e-72.4216e-842.08
RRL GUHHE6.2924e-68.5198e-75.9623e-72.6788e-71.2727e-71.6847e-52.0651e-61.7717e-72.2956e-842.08
ISO FRHHZ6.1829e-69.0611e-75.1222e-71.3988e-77.4785e-81.9265e-52.4467e-61.1291e-71.9121e-848.9147
ISO FRHHN5.8442e-67.4884e-74.1874e-71.5350e-78.6781e-81.5799e-52.2459e-61.3081e-71.8171e-848.9147
ISO FRHHE5.7530e-68.1896e-75.6042e-71.7731e-77.3239e-81.8879e-52.8946e-61.0136e-71.8545e-848.9147
BHB GUHHZ1.0250e-51.6178e-69.6614e-72.5915e-71.1838e-72.6403e-54.1368e-61.8858e-73.7838e-853.654
BHB GUHHN6.6112e-61.2705e-69.9918e-73.1115e-71.2379e-71.8190e-53.3526e-61.6958e-72.7765e-853.654
BHB GUHHE7.0627e-61.1489e-66.6249e-72.6422e-79.1461e-82.1834e-53.8964e-61.4023e-72.5395e-853.654
STV GUHHZ5.4794e-69.7808e-78.0291e-72.9002e-71.2949e-71.7483e-53.0584e-61.8309e-72.5648e-859.3125
STV GUHHN7.2243e-61.3753e-68.9646e-73.7410e-72.4104e-72.2795e-54.3991e-63.5656e-74.0198e-859.3125
STV GUHHE8.7003e-61.5981e-68.1536e-72.6501e-71.3460e-72.6293e-54.2994e-61.9958e-73.3082e-859.3125
ENR GUHHZ1.5029e-52.3719e-61.2771e-64.2506e-72.1009e-74.8002e-54.1509e-62.7193e-75.2877e-866.4123
ENR GUHHN2.6764e-53.2988e-61.6308e-66.1633e-72.7563e-75.6112e-56.6661e-63.8819e-77.6151e-866.4123
ENR GUHHE3.9315e-54.8613e-62.0144e-64.6382e-72.4756e-75.6415e-58.4775e-64.5582e-71.0734e-766.4123
RSP GUHHZ3.6048e-64.6330e-73.2874e-71.5210e-75.2610e-89.2574e-62.0128e-67.3906e-81.1841e-879.333
RSP GUHHN9.1727e-67.3294e-75.3359e-71.7259e-76.8421e-81.2750e-51.7736e-61.0107e-71.5602e-879.333
RSP GUHHE4.3382e-68.5510e-75.1188e-71.4406e-77.1255e-81.6121e-51.9268e-61.2101e-72.2326e-879.333
TURF FRHHZ2.4043e-64.3304e-74.5194e-71.5639e-76.4105e-89.8673e-62.6745e-69.2488e-81.2818e-883.7140
TURF FRHHN4.1893e-68.4121e-76.7503e-72.2445e-71.1266e-71.6387e-53.6713e-61.6867e-72.3627e-883.7140
TURF FRHHE2.7337e-66.6765e-75.5309e-72.7092e-79.0914e-81.3331e-52.9479e-61.1777e-71.5869e-883.7140
SAOF FRHHZ2.1800e-66.6224e-76.9680e-72.9646e-71.0505e-74.5008e-66.0509e-61.4259e-72.0952e-891.6133
SAOF FRHHN2.4077e-65.0672e-74.4631e-71.8523e-77.4860e-86.0060e-62.8266e-61.0737e-71.2659e-891.6133
SAOF FRHHE2.2242e-64.7339e-74.6692e-71.6402e-78.4310e-85.2985e-63.0490e-61.3339e-71.4745e-891.6133
GBOS GUHHZ3.1385e-68.8176e-77.1325e-73.0566e-71.5161e-79.5785e-65.6632e-62.0793e-72.7506e-895.6111
GBOS GUHHN2.6230e-65.9646e-76.0323e-73.0014e-71.3445e-77.8858e-62.7140e-61.8500e-71.5777e-895.6111
GBOS GUHHE3.1557e-68.9833e-78.8033e-74.3161e-71.6083e-71.0500e-56.0717e-62.0489e-72.3011e-895.6111
MGRO GUHHZ2.2427e-63.2194e-72.6127e-71.6342e-75.2172e-83.4280e-61.1125e-66.6934e-89.2135e-9103.7123
MGRO GUHHN2.6633e-64.6635e-73.8579e-71.9796e-76.5276e-85.5998e-61.9221e-68.6991e-81.2920e-8103.7123
MGRO GUHHE3.3787e-63.9120e-73.5934e-72.0186e-78.1123e-87.0707e-61.5202e-61.0249e-71.3575e-8103.7123
LSD GUHHZ1.2004e-62.5687e-71.9791e-76.7090e-82.7945e-84.5495e-69.9623e-73.7039e-87.3017e-9106.318
LSD GUHHN1.3568e-62.9875e-72.0186e-78.1803e-83.2084e-83.9411e-61.4465e-64.9055e-86.2543e-9106.318
LSD GUHHE2.1856e-64.4959e-73.2151e-79.6033e-84.2383e-85.0105e-61.5797e-66.6515e-81.0604e-8106.318
BURY GUHHZ2.0670e-63.8950e-72.8373e-79.8547e-84.9879e-85.8706e-61.1539e-68.5114e-81.2161e-8108.6142
BURY GUHHN1.6214e-63.4641e-72.6555e-79.9057e-84.1230e-86.3014e-61.0110e-66.6705e-87.7029e-9108.6142
BURY GUHHE2.5629e-64.0868e-72.6641e-71.1558e-76.4832e-87.3239e-61.3382e-69.1979e-81.2389e-8108.6142
BIGN GUEHZ2.3838e-64.9337e-73.1416e-71.1918e-74.8476e-87.4999e-61.0696e-66.2223e-81.0367e-8111.1133
BIGN GUEHN2.8404e-65.5063e-74.4030e-71.5089e-76.3431e-89.3434e-61.4385e-69.1673e-81.3344e-8111.1133
BIGN GUEHE2.8154e-65.7746e-73.5160e-71.2045e-76.0529e-87.7918e-61.3034e-67.0521e-81.3337e-8111.1133
RORO GUHHZ1.8484e-64.4978e-74.2490e-71.7052e-76.8485e-87.1176e-62.2070e-69.2669e-81.2067e-8117.8114
RORO GUHHN2.2680e-65.3418e-74.6197e-71.5216e-76.1755e-85.7699e-62.3399e-68.6339e-81.2962e-8117.8114
RORO GUHHE1.9106e-65.7053e-73.8808e-71.4871e-76.1148e-83.9100e-62.4463e-68.8702e-81.4205e-8117.8114
PCP GUHHZ7.8910e-72.1736e-71.5399e-76.8774e-83.5884e-81.2833e-69.7793e-75.3243e-86.0925e-9144.890
PCP GUHHN6.2145e-71.4162e-71.0451e-74.6472e-82.4119e-89.5023e-73.5456e-72.8184e-84.1530e-9144.890
PCP GUHHE6.2910e-72.1508e-71.3763e-74.3939e-82.6560e-81.4059e-67.9789e-73.9438e-85.2368e-9144.890
*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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