MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.8
2025-07-11 02:11:24 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-11 09:40:32

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Earthquake info - Manual location
Event - ID :250711021029
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-07-11 02:11:24.979 (UTC)
Location : Latitude: 44.610 N, Longitude: 7.168 E
Area :Alpi Cozie
Depth (km) :6.41
Distances (km) : 3.8 --- Sampeyre
7.8 --- Oncino
8.0 --- Casteldelfino
9.4 --- Frassino
9.5 --- Ostana
9.8 --- Elva
10.1 --- Crissolo
11.1 --- Pontechianale
11.8 --- Stroppo
12.1 --- Paesana
12.1 --- Macra
12.3 --- Bellino
12.6 --- Sanfront
13.0 --- Melle
14.1 --- Celle di Macra
14.4 --- Gambasca
15.0 --- San Damiano Macra
15.1 --- Rifreddo
15.7 --- Martiniana Po
15.8 --- Valmala

Quality location estimate: Erh: 0.7 km, Erz: 1.4 km, Nf: 38, Gap: 76 °, Rms: 0.35


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.
PZZGU2025-07-11 02:11:27.9800.01000.021.492025-07-11 02:11:29.5810.1013-0.521.2314.4
BHBGU2025-07-11 02:11:30.1900.01500.021.482025-07-11 02:11:33.3000.0792-0.411.3127.1
SURFFR2025-07-11 02:11:31.2000.0170-0.071.432025-07-11 02:11:35.6700.0992-0.221.3432.2
VINDIV2025-07-11 02:11:30.1780.0200-1.090.202025-07-11 02:11:35.1300.0400-0.561.1533.9
STVGU2025-07-11 02:11:32.7300.02310.041.312025-07-11 02:11:37.7530.2046-0.301.2943.0
RRLGU2025-07-11 02:11:33.3500.0241-0.201.242025-07-11 02:11:38.9800.1384-0.610.9946.5
ENRGU2025-07-11 02:11:33.3400.0251-0.021.452025-07-11 02:11:38.9600.1444-0.241.3447.3
ISOFR2025-07-11 02:11:34.4160.02000.600.062025-07-11 02:11:39.8700.1494-0.031.2048.8
OGAGFR2025-07-11 02:11:34.9110.0200-0.011.392025-07-11 02:11:41.4330.0400-0.611.0154.0
RSPGU2025-07-11 02:11:35.2300.0311-0.501.252025-07-11 02:11:41.9020.2366-1.330.2160.9
GBOSGU2025-07-11 02:11:36.2240.0200-0.401.312025-07-11 02:11:44.4520.1002-0.171.3167.6
TURFFR2025-07-11 02:11:38.2100.03810.140.862025-07-11 02:11:47.0670.1303-0.261.2873.0
SAOFFR2025-07-11 02:11:38.2600.0391-0.251.332025-07-11 02:11:46.9440.5619-1.060.5276.0
OGMOFR2025-07-11 02:11:39.9530.02001.190.002025-07-11 02:11:48.2320.0400-0.171.2976.9
MLIGIV2025-07-11 02:11:38.7090.0200-0.611.022025-07-11 02:11:47.8470.0400-1.620.0980.6
MGROGU2025-07-11 02:11:38.5710.0200-0.700.792025-07-11 02:11:48.7160.2005-0.660.8981.4
ROROGU2025-07-11 02:11:40.0600.0512-0.371.312025-07-11 02:11:50.1200.2737-0.960.5490.5
LSDGU2025-07-11 02:11:41.4550.02000.230.592025-07-11 02:11:51.7690.2827-0.800.7294.9
PCPGU2025-07-11 02:11:43.1000.0562-0.361.312025-07-11 02:11:56.8860.04000.370.49109.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.512.63e-114.4200
BHB GUHH0.849.52e-227.117
STV GUHH0.742.32e-243.0163
RRL GUHH0.611.46e-246.5319
ENR GUHH1.109.00e-247.3155
OGAG FRHH0.561.43e-254.0292
RSP GUHH0.661.49e-260.97
GBOS GUHH1.111.59e-267.6127
TURF FRHH1.223.38e-273.0166
MGRO GUHH0.931.37e-281.4141
RORO GUHH0.991.23e-290.5127
LSD GUHH0.949.80e-394.9358
PCP GUHH0.704.38e-3109.693


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.
(°)
PZZ GUHHZ2.1378e-54.6693e-62.6737e-66.5534e-73.0958e-75.2602e-59.7658e-65.3669e-71.0858e-714.4200
PZZ GUHHN2.3041e-53.1339e-62.2483e-67.8063e-73.4275e-75.6596e-58.8922e-65.1511e-77.0465e-814.4200
PZZ GUHHE2.0200e-54.0406e-62.7530e-69.2022e-75.0009e-76.4833e-51.6677e-57.1638e-71.0010e-714.4200
BHB GUHHZ1.9623e-52.0958e-67.0972e-72.3379e-71.1474e-73.7308e-53.1432e-61.7939e-74.1009e-827.117
BHB GUHHN1.2088e-51.4800e-67.3184e-72.1887e-71.3266e-72.1572e-53.3790e-62.1549e-73.8598e-827.117
BHB GUHHE1.7396e-52.0793e-66.6996e-71.8791e-79.3555e-82.7513e-53.4320e-61.6239e-74.0303e-827.117
STV GUHHZ2.1678e-62.9572e-72.2410e-71.1224e-74.7779e-84.4537e-61.1829e-65.5867e-87.3435e-943.0163
STV GUHHN2.6851e-63.8824e-72.3397e-71.3117e-74.7460e-86.4077e-61.1972e-65.2241e-87.3667e-943.0163
STV GUHHE2.2417e-63.2282e-71.7291e-76.3174e-83.0332e-86.8249e-61.0308e-64.2993e-87.2312e-943.0163
RRL GUHHZ1.0414e-61.6451e-79.3491e-84.8642e-82.3050e-82.9962e-65.4943e-73.1911e-84.5335e-946.5319
RRL GUHHN1.1452e-61.8613e-71.2636e-74.7329e-82.1845e-85.3130e-66.2945e-73.0153e-84.9442e-946.5319
RRL GUHHE1.1520e-61.7327e-71.1392e-74.4707e-81.7929e-83.3634e-65.7354e-72.6975e-84.6465e-946.5319
ENR GUHHZ1.0797e-58.4488e-74.2718e-71.8562e-78.6481e-81.1971e-53.0516e-69.4990e-81.7372e-847.3155
ENR GUHHN2.2978e-52.0671e-66.3724e-72.3289e-71.1358e-73.0243e-55.1972e-61.4056e-73.7053e-847.3155
ENR GUHHE2.9522e-52.8617e-67.3371e-72.0596e-71.0174e-72.3444e-54.7070e-62.0257e-75.0712e-847.3155
ISO FRHHZ3.5662e-61.0793e-68.7221e-74.5020e-71.8852e-71.3012e-55.4373e-62.5618e-73.2104e-848.8191
ISO FRHHN9.8630e-61.7922e-61.0163e-65.0034e-71.9320e-72.7901e-52.9422e-62.9054e-74.9359e-848.8191
ISO FRHHE5.6307e-61.4537e-69.7684e-73.5194e-72.3347e-71.3630e-56.3755e-63.4765e-74.7509e-848.8191
OGAG FRHHZ3.9702e-71.2033e-71.0301e-75.2621e-82.4161e-81.6190e-66.1255e-72.8152e-83.4751e-954.0292
OGAG FRHHN5.8066e-71.3169e-71.3116e-74.8146e-82.3634e-82.5101e-65.5090e-72.9044e-83.7127e-954.0292
OGAG FRHHE4.5777e-71.4049e-71.2962e-75.9940e-82.2596e-88.2470e-75.6241e-73.0587e-84.2516e-954.0292
RSP GUHHZ1.9857e-62.4685e-77.9971e-82.8057e-81.3240e-82.9675e-63.5876e-71.8813e-84.6232e-960.97
RSP GUHHN3.5437e-63.6667e-71.1170e-72.6179e-81.3206e-85.1170e-63.7909e-72.4033e-86.2246e-960.97
RSP GUHHE1.8726e-62.8869e-71.4951e-73.5645e-81.7061e-85.2093e-64.6163e-72.9823e-86.1516e-960.97
GBOS GUHHZ1.5244e-62.7295e-71.8332e-74.8161e-82.2069e-85.0324e-61.1299e-63.2531e-85.5794e-967.6127
GBOS GUHHN1.5217e-62.6453e-71.3787e-77.7113e-83.9533e-83.2835e-65.2341e-75.0767e-86.6952e-967.6127
GBOS GUHHE1.1067e-61.5766e-71.0090e-73.5938e-81.6309e-82.8399e-64.1702e-72.2484e-83.8404e-967.6127
TURF FRHHZ9.3373e-72.9696e-73.2106e-71.9495e-79.0356e-82.3090e-61.9545e-61.1769e-71.0707e-873.0166
TURF FRHHN1.0492e-63.0582e-72.3461e-71.8006e-77.1042e-82.5527e-68.3320e-77.0596e-87.9942e-973.0166
TURF FRHHE1.1568e-63.4414e-73.0432e-71.7562e-78.3988e-82.5789e-62.3953e-61.0822e-79.2862e-973.0166
SAOF FRHHZ6.8923e-72.8083e-72.5480e-71.7918e-78.3361e-81.3812e-61.7860e-61.1262e-71.0686e-876.0156
SAOF FRHHN6.4941e-72.9113e-72.4899e-71.5237e-76.2846e-81.2518e-61.7572e-68.2159e-81.0117e-876.0156
SAOF FRHHE6.0858e-71.8725e-71.9871e-79.9266e-83.9607e-81.5562e-61.4727e-64.6780e-85.6794e-976.0156
MGRO GUHHZ3.3714e-76.2616e-85.6349e-82.9983e-81.3902e-81.0824e-63.2931e-71.4775e-82.1971e-981.4141
MGRO GUHHN6.8419e-71.0537e-76.4900e-83.1406e-81.7071e-81.6842e-64.2617e-72.1069e-82.8873e-981.4141
MGRO GUHHE5.3898e-79.3817e-86.5005e-83.1927e-81.4156e-81.1857e-63.4222e-72.1430e-82.1830e-981.4141
RORO GUHHZ1.0060e-61.3567e-71.0804e-73.1040e-81.5498e-82.3908e-64.7931e-72.3636e-83.3340e-990.5127
RORO GUHHN8.8679e-71.6327e-71.0720e-72.2045e-81.2167e-82.7535e-64.5744e-72.2452e-83.6670e-990.5127
RORO GUHHE1.2464e-61.8986e-71.3207e-73.5669e-81.6698e-83.8114e-66.4643e-72.6915e-84.6677e-990.5127
LSD GUHHZ8.4771e-71.4800e-77.4640e-81.9164e-88.7490e-91.6268e-62.9895e-71.4943e-83.4273e-994.9358
LSD GUHHN1.1626e-61.5523e-76.9584e-81.9544e-88.3354e-92.0906e-64.8566e-71.4129e-83.1351e-994.9358
LSD GUHHE1.4841e-61.8776e-79.6605e-82.8076e-81.4054e-82.8552e-64.8623e-72.4623e-84.6491e-994.9358
PCP GUHHZ3.8573e-75.6017e-83.8684e-81.7037e-87.3975e-91.0576e-62.2246e-79.8503e-91.4676e-9109.693
PCP GUHHN4.6469e-74.8889e-83.8812e-81.6658e-87.1450e-91.2794e-62.1655e-71.0329e-81.3286e-9109.693
PCP GUHHE4.8642e-76.4218e-83.3611e-81.3589e-86.5413e-91.0936e-61.5462e-79.0359e-91.3765e-9109.693
*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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