MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.2
2025-10-12 19:52:56 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-13 07:22:13

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Earthquake info - Manual location
Event - ID :251012195233
Magnitude (ML) :0.2 +/- 0.2
Origin Time :2025-10-12 19:52:56.07 (UTC)
Location : Latitude: 44.513 N, Longitude: 6.725 E
Area :Alpi Cozie
Depth (km) :9.27
Distances (km) : 21.2 --- Argentera
21.4 --- Acceglio
24.3 --- Bellino
26.4 --- Prazzo
27.0 --- Pontechianale
28.7 --- Casteldelfino
29.0 --- Canosio
29.1 --- Elva
29.9 --- Marmora
30.8 --- Pietraporzio
31.9 --- Stroppo
33.8 --- Sambuco
36.0 --- Macra
36.2 --- Celle di Macra
37.6 --- Sampeyre
40.1 --- Crissolo
40.3 --- Castelmagno
41.1 --- Oncino
41.8 --- Ostana
42.1 --- San Damiano Macra

Quality location estimate: Erh: 1.1 km, Erz: 0.7 km, Nf: 27, Gap: 189 °, 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.
SURFFR2025-10-12 19:52:58.9300.00800.021.882025-10-12 19:53:00.9710.0400-0.061.8212.1
PZZGU2025-10-12 19:53:02.5300.03710.031.782025-10-12 19:53:07.1800.10130.071.4032.8
OGAGFR2025-10-12 19:53:01.6220.0200-1.320.392025-10-12 19:53:05.7310.0400-2.070.0135.5
VINDIV2025-10-12 19:53:03.1230.0200-1.230.362025-10-12 19:53:08.5610.0400-1.500.2243.3
ISOFR2025-10-12 19:53:04.5660.0200-0.091.622025-10-12 19:53:10.1550.4339-0.310.8045.9
RRLGU2025-10-12 19:53:04.4400.0522-0.620.312025-10-12 19:53:10.1600.1344-1.270.3547.1
BHBGU2025-10-12 19:53:06.4330.0200-0.021.742025-10-12 19:53:13.3000.1685-0.410.7356.5
STVGU2025-10-12 19:53:06.4900.25190.111.052025-10-12 19:53:13.4000.1785-0.011.2257.2
ENRGU2025-10-12 19:53:07.6600.03410.061.552025-10-12 19:53:15.3200.3117-0.180.9664.3
TURFFR2025-10-12 19:53:10.9220.02000.270.642025-10-12 19:53:20.5340.0400-0.310.9180.5
RSPGU2025-10-12 19:53:10.9500.0200-0.081.502025-10-12 19:53:21.3410.0400-0.121.1783.1
GBOSGU2025-10-12 19:53:12.5240.02000.041.442025-10-12 19:53:22.7800.5469-0.990.4494.1
MGROGU2025-10-12 19:53:13.9100.0532-0.280.962025-10-12 19:53:25.8800.3237-0.910.42101.4
ROROGU2025-10-12 19:53:15.9200.0602-0.081.32--:---.-----.---.-- 116.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.072.12e-232.891
OGAG FRHH0.061.03e-235.5334
ISO FRHH-0.134.05e-345.9145
RRL GUHH0.195.37e-347.16
BHB GUHH0.245.64e-356.550
STV GUHH0.365.37e-357.2122
ENR GUHH0.671.76e-264.3120
TURF FRHH0.313.35e-380.5138
RSP GUHH0.323.48e-383.131
MGRO GUHH0.342.11e-3101.4121


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 GUHHZ2.8266e-63.5987e-71.6015e-73.3269e-81.8919e-85.9822e-66.2263e-73.6018e-87.9017e-932.891
PZZ GUHHN2.9094e-63.4207e-71.5339e-74.3286e-82.3034e-88.3714e-65.9515e-73.7676e-87.1876e-932.891
PZZ GUHHE3.6425e-63.9588e-71.9981e-74.1297e-82.2809e-87.5653e-69.0520e-73.9305e-88.9384e-932.891
OGAG FRHHZ5.1586e-71.1881e-71.0379e-73.8880e-81.8044e-81.1180e-67.7354e-72.5121e-83.2853e-935.5334
OGAG FRHHN5.2872e-71.2125e-78.1388e-82.8554e-81.1729e-81.4907e-64.6124e-71.6964e-83.4290e-935.5334
OGAG FRHHE8.2545e-71.1370e-79.8929e-83.5343e-81.9103e-81.0267e-66.7877e-72.8414e-83.0369e-935.5334
ISO FRHHZ8.7449e-79.2484e-82.8780e-89.6244e-94.9157e-91.7886e-61.0470e-78.4520e-92.1094e-945.9145
ISO FRHHN9.4983e-71.1574e-73.2781e-87.8633e-95.3776e-91.9803e-61.2674e-79.7195e-92.3318e-945.9145
ISO FRHHE1.0231e-61.0557e-73.2698e-89.6480e-95.4457e-92.0080e-69.6777e-81.0746e-82.3558e-945.9145
RRL GUHHZ4.4996e-75.2373e-82.5172e-81.3736e-81.2226e-88.6981e-71.5059e-72.1388e-83.3898e-947.16
RRL GUHHN4.9025e-78.5510e-84.7675e-81.9468e-88.1958e-91.3094e-62.1115e-71.3659e-82.1755e-947.16
RRL GUHHE7.6125e-78.3444e-84.8063e-82.2369e-89.3981e-91.8959e-62.4169e-71.1896e-82.0103e-947.16
BHB GUHHZ7.6648e-71.2327e-76.3333e-81.9128e-88.0140e-92.2538e-63.8919e-71.2872e-82.3676e-956.550
BHB GUHHN4.9394e-78.3943e-86.1126e-81.4742e-87.9229e-91.4188e-62.8382e-71.3169e-81.9486e-956.550
BHB GUHHE5.3626e-76.9300e-83.2465e-81.3740e-86.5964e-91.1045e-61.0924e-71.2831e-81.6959e-956.550
STV GUHHZ2.6344e-62.6885e-74.6630e-81.1603e-87.1450e-91.3685e-62.0745e-71.2403e-82.6089e-957.2122
STV GUHHN9.7088e-79.9084e-84.4186e-81.4612e-87.6573e-91.7559e-62.3348e-71.1785e-81.9708e-957.2122
STV GUHHE8.8536e-71.0520e-74.2336e-81.1564e-86.9889e-91.8844e-61.4654e-71.1209e-82.3372e-957.2122
ENR GUHHZ2.6385e-62.5756e-76.2455e-81.7892e-81.2066e-83.2016e-63.1312e-72.3670e-85.0006e-964.3120
ENR GUHHN4.9868e-65.6466e-71.0162e-73.5949e-82.1256e-85.1601e-64.6951e-74.6790e-81.0327e-864.3120
ENR GUHHE5.9799e-65.1605e-71.0889e-73.2827e-82.1020e-83.9635e-64.5349e-74.1706e-89.2705e-964.3120
TURF FRHHZ2.7694e-74.0310e-82.4110e-81.2387e-81.2567e-85.1486e-78.3751e-81.7199e-89.4098e-1080.5138
TURF FRHHN2.8123e-74.7083e-83.0516e-81.1098e-88.8921e-98.1467e-71.4020e-79.2765e-91.3367e-980.5138
TURF FRHHE2.2749e-73.5798e-82.8068e-81.3447e-87.8314e-95.4035e-71.4195e-71.1937e-81.1700e-980.5138
RSP GUHHZ2.9247e-73.4499e-81.8602e-89.0108e-94.9445e-95.0513e-77.0642e-85.3341e-98.0388e-1083.131
RSP GUHHN3.9693e-75.5279e-83.2813e-81.0124e-85.3912e-91.0772e-68.1658e-86.7031e-91.3287e-983.131
RSP GUHHE3.3588e-75.6781e-84.2000e-81.3642e-86.5720e-91.4643e-61.1826e-79.0648e-91.6030e-983.131
GBOS GUHHZ2.3950e-73.4891e-82.8213e-89.3966e-94.4992e-99.4326e-71.3377e-76.6301e-98.8406e-1094.1108
GBOS GUHHN5.6650e-71.3459e-71.0920e-78.6299e-83.2056e-89.5851e-74.9800e-74.6241e-84.3918e-994.1108
GBOS GUHHE3.7623e-75.1251e-82.9152e-89.6783e-95.7752e-98.6123e-71.2874e-78.1882e-91.0801e-994.1108
MGRO GUHHZ2.4552e-72.8490e-81.3400e-81.1418e-88.9187e-92.7468e-75.9131e-81.1794e-89.2435e-10101.4121
MGRO GUHHN2.6396e-73.0781e-81.4548e-81.2488e-89.8936e-93.6097e-76.6162e-81.0185e-89.2460e-10101.4121
MGRO GUHHE1.6834e-73.0914e-81.6222e-88.1282e-96.5762e-93.5795e-78.2787e-81.0162e-88.4182e-10101.4121
*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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