MANUAL Location - Area: Alpi Cozie , magnitude (ML): -0.3
2026-09-27 23:53:50 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-28 10:22:32

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Earthquake info - Manual location
Event - ID :260927235225
Magnitude (ML) :-0.3 +/- 0.2
Origin Time :2026-09-27 23:53:50.786 (UTC)
Location : Latitude: 44.400 N, Longitude: 7.291 E
Area :Alpi Cozie
Depth (km) :3.85
Distances (km) : 2.4 --- Pradleves
2.7 --- Monterosso Grana
6.4 --- Castelmagno
7.1 --- Valgrana
7.9 --- Montemale di Cuneo
8.7 --- Cartignano
9.3 --- Demonte
9.4 --- Valloriate
9.4 --- Dronero
9.5 --- Roccabruna
10.1 --- Rittana
10.3 --- San Damiano Macra
11.0 --- Caraglio
11.2 --- Aisone
11.5 --- Bernezzo
11.6 --- Gaiola
11.7 --- Villar San Costanzo
11.7 --- Moiola
12.8 --- Celle di Macra
13.5 --- Roccasparvera

Quality location estimate: Erh: 0.7 km, Erz: 0.7 km, Nf: 18, Gap: 139 °, Rms: 0.13


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.
STVGU2026-09-27 23:53:54.0090.0200-0.420.262026-09-27 23:53:56.9620.04000.051.5018.1
PZZGU2026-09-27 23:53:55.0040.01300.031.622026-09-27 23:53:57.8940.0531-0.061.4519.0
ENRGU2026-09-27 23:53:55.1110.0200-0.041.612026-09-27 23:53:58.0300.0641-0.091.3122.1
PONCIV2026-09-27 23:53:58.0580.02000.790.012026-09-27 23:54:01.7190.0400-0.151.0733.4
GBOSGU2026-09-27 23:53:59.7820.02000.160.972026-09-27 23:54:05.4500.0400-0.131.1247.3
TURFFR2026-09-27 23:54:00.3460.02000.320.412026-09-27 23:54:06.5830.04000.041.2648.1
BHBGU2026-09-27 23:53:59.6070.02000.051.482026-09-27 23:54:05.5050.2857-0.040.9048.6
SAOFFR2026-09-27 23:54:00.7590.02000.270.562026-09-27 23:54:06.8290.0400-0.420.3950.7
IMIGU2026-09-27 23:54:03.8190.0200-0.021.382026-09-27 23:54:12.9310.3968-0.070.7172.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH-0.471.66e-219.0310
ENR GUHH-0.162.08e-222.1152
PONC IVHH-0.334.81e-333.4320
TURF FRHH-0.491.61e-348.1170
BHB GUHH-0.153.13e-348.6357
SAOF FRHH-0.541.29e-350.7155
IMI GUHH0.103.50e-372.7138


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 GUHHZ7.7937e-78.0561e-83.3964e-89.2448e-95.3361e-91.2535e-61.6155e-71.0509e-81.6242e-918.1171
STV GUHHN9.7861e-77.9404e-82.8309e-88.8682e-95.2126e-91.2339e-61.7649e-77.5008e-91.7045e-918.1171
STV GUHHE7.5038e-77.9930e-82.9205e-89.9748e-94.8639e-91.1632e-69.4552e-87.7913e-91.4893e-918.1171
PZZ GUHHZ2.0889e-63.1326e-71.8053e-74.0493e-82.3536e-83.7666e-67.7468e-73.8656e-87.3581e-919.0310
PZZ GUHHN2.5513e-63.9001e-71.6367e-73.8407e-82.8916e-84.1315e-67.9614e-75.2851e-87.7085e-919.0310
PZZ GUHHE2.7207e-62.9178e-71.2126e-72.5966e-81.6544e-84.1798e-64.0457e-72.7295e-85.8122e-919.0310
ENR GUHHZ3.8945e-64.0636e-76.0344e-82.3523e-81.6248e-83.7596e-62.2136e-73.6113e-88.3681e-922.1152
ENR GUHHN6.4385e-65.3832e-71.1446e-73.2824e-82.2814e-87.9375e-63.3635e-74.5304e-81.0005e-822.1152
ENR GUHHE1.0734e-57.9773e-71.1501e-73.3067e-82.0433e-86.0844e-63.9968e-74.7423e-81.4643e-822.1152
PONC IVHHZ2.1711e-61.9453e-73.7894e-81.0509e-87.0901e-92.4328e-61.4654e-71.4640e-82.9875e-933.4320
PONC IVHHN8.2229e-71.1157e-73.8943e-81.2093e-86.7920e-91.0682e-61.1938e-71.0612e-82.0090e-933.4320
PONC IVHHE6.1773e-75.5613e-82.5972e-87.0802e-94.9238e-91.0868e-61.0025e-78.7917e-91.2827e-933.4320
GBOS GUHHZ5.4900e-76.7098e-83.4281e-81.3345e-88.9046e-91.2704e-69.6965e-81.3039e-81.8190e-947.3112
GBOS GUHHN6.0571e-76.4886e-83.5646e-81.6934e-81.1024e-81.0764e-61.5066e-71.7487e-81.7432e-947.3112
GBOS GUHHE6.2711e-77.7437e-83.9635e-81.6290e-81.1731e-81.3400e-61.1102e-71.6558e-81.8624e-947.3112
TURF FRHHZ1.3261e-71.3870e-87.0334e-96.0031e-95.9734e-92.2628e-73.3529e-87.8614e-96.4853e-1048.1170
TURF FRHHN1.3644e-71.7711e-89.7441e-97.0031e-97.0170e-93.6251e-73.7010e-81.1301e-89.0484e-1048.1170
TURF FRHHE1.0617e-71.9991e-89.0720e-98.8266e-96.0209e-92.2502e-73.9096e-88.5915e-95.8712e-1048.1170
BHB GUHHZ3.6188e-74.2898e-82.0769e-81.6274e-82.7349e-89.9577e-76.6529e-86.4103e-81.8803e-948.6357
BHB GUHHN3.6073e-75.1899e-82.2733e-81.2452e-81.4811e-87.8219e-79.3237e-83.5380e-81.6144e-948.6357
BHB GUHHE4.5089e-75.2264e-82.1349e-81.2180e-81.5087e-89.4103e-75.8695e-83.7202e-81.2709e-948.6357
SAOF FRHHZ7.4723e-81.0401e-87.5977e-96.9710e-95.2637e-91.9923e-73.7597e-87.8250e-94.7825e-1050.7155
SAOF FRHHN8.8177e-81.6063e-87.5639e-97.1265e-95.9303e-92.0952e-73.5781e-88.0746e-94.9977e-1050.7155
SAOF FRHHE8.9100e-81.2612e-88.0025e-97.3351e-97.1205e-91.6232e-73.7585e-81.1375e-85.8523e-1050.7155
IMI GUHHZ1.9406e-72.5221e-81.3541e-89.9476e-98.5555e-94.3747e-77.2541e-81.2839e-89.8964e-1072.7138
IMI GUHHN5.5441e-75.8645e-82.8848e-81.8938e-81.2267e-88.3211e-71.1177e-71.4949e-81.4977e-972.7138
IMI GUHHE2.6691e-74.4746e-82.1155e-81.1798e-88.3976e-97.0930e-71.1461e-71.3212e-81.0324e-972.7138
*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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