MANUAL Location - Area: Alpi Marittime , magnitude (ML): 2.2
2025-09-27 07:13:05 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-29 06:45:19

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Earthquake info - Manual location
Event - ID :250927071228
Magnitude (ML) :2.2 +/- 0.2
Origin Time :2025-09-27 07:13:05.271 (UTC)
Location : Latitude: 44.328 N, Longitude: 7.342 E
Area :Alpi Marittime
Depth (km) :12.10
Distances (km) : 2.9 --- Valloriate
3.8 --- Demonte
3.8 --- Moiola
5.2 --- Gaiola
5.3 --- Rittana
7.0 --- Valdieri
8.0 --- Roccasparvera
9.3 --- Monterosso Grana
9.9 --- Aisone
9.9 --- Valgrana
9.9 --- Bernezzo
10.6 --- Entracque
10.9 --- Vignolo
11.0 --- Roaschia
11.2 --- Roccavione
11.4 --- Pradleves
11.6 --- Borgo San Dalmazzo
11.8 --- Cervasca
12.2 --- Caraglio
12.6 --- Montemale di Cuneo

Quality location estimate: Erh: 0.8 km, Erz: 1 km, Nf: 58, Gap: 79 °, Rms: 0.29


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.
STVGU2025-09-27 07:13:08.6900.00900.380.992025-09-27 07:13:10.3560.0471-0.051.5716.0
VINDIV2025-09-27 07:13:08.3960.0200-0.380.732025-09-27 07:13:10.4530.0400-0.710.5018.0
ENRGU2025-09-27 07:13:09.0500.01000.410.822025-09-27 07:13:10.9600.0541-0.011.6218.2
PZZGU2025-09-27 07:13:11.3500.01500.291.292025-09-27 07:13:15.1200.0892-0.041.5030.0
ISOFR2025-09-27 07:13:11.6600.01700.640.182025-09-27 07:13:14.9600.09320.061.5531.0
TURFFR2025-09-27 07:13:13.3700.02110.311.252025-09-27 07:13:18.0600.1243-0.550.6541.2
GBOSGU2025-09-27 07:13:13.2900.02110.281.302025-09-27 07:13:18.3220.12830.051.4842.8
SAOFFR2025-09-27 07:13:13.6700.02710.251.352025-09-27 07:13:18.3790.1304-0.770.4843.4
MLIGIV2025-09-27 07:13:14.0410.0200-0.290.922025-09-27 07:13:19.2440.0400-1.520.0648.1
MGROGU2025-09-27 07:13:14.4800.0251-0.171.222025-09-27 07:13:20.3600.1524-0.940.3650.8
MVIFFR2025-09-27 07:13:14.9700.0271-0.011.592025-09-27 07:13:21.0290.1564-0.980.3351.7
ESCAFR2025-09-27 07:13:15.8400.02910.231.382025-09-27 07:13:22.2700.1705-0.610.6356.7
GARSIT2025-09-27 07:13:15.1700.0200-0.031.572025-09-27 07:13:22.1790.04000.251.3056.8
PVTIT2025-09-27 07:13:15.5670.02000.051.592025-09-27 07:13:22.5460.0400-0.271.0657.6
BHBGU2025-09-27 07:13:14.9500.0291-0.221.112025-09-27 07:13:21.8000.1755-0.271.0858.2
BIGNGU2025-09-27 07:13:16.2600.03110.011.582025-09-27 07:13:22.8230.1845-1.090.2761.3
ROROGU2025-09-27 07:13:16.5900.03110.061.582025-09-27 07:13:24.3400.1915-0.011.3263.7
BURYGU2025-09-27 07:13:16.6700.0331-0.261.032025-09-27 07:13:24.0900.1935-0.950.3664.1
IMIGU2025-09-27 07:13:16.7900.03710.061.572025-09-27 07:13:24.4690.1965-0.390.9165.2
SNRMIT2025-09-27 07:13:17.1460.02000.071.572025-09-27 07:13:24.9030.0400-0.420.8267.5
DNSPIT2025-09-27 07:13:18.3080.02000.271.292025-09-27 07:13:27.1940.04000.091.4074.1
RRLGU2025-09-27 07:13:19.5520.02000.181.442025-09-27 07:13:29.4100.32270.031.1280.4
QLNOIV2025-09-27 07:13:19.5990.02000.191.432025-09-27 07:13:29.2120.2517-0.181.1180.8
OGAGFR2025-09-27 07:13:19.9090.02000.061.542025-09-27 07:13:29.9900.4379-0.200.9682.7
EILFFR2025-09-27 07:13:21.2400.04520.430.822025-09-27 07:13:31.4800.2687-0.011.1689.1
RSPGU2025-09-27 07:13:19.8100.0512-0.650.562025-09-27 07:13:30.1900.3678-1.230.2592.4
OGDIFR2025-09-27 07:13:24.4740.02002.290.002025-09-27 07:13:37.2290.04002.990.0093.0
PCPGU2025-09-27 07:13:22.7400.04920.610.402025-09-27 07:13:35.0200.04000.910.1699.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
STV GUHH2.315.55e+016.0188
ENR GUHH2.491.34e+118.2151
GBOS GUHH2.591.26e+042.8103
MGRO GUHH2.075.23e-150.8130
ESCA FRHH1.882.68e-156.7177
GARS ITHN2.266.38e-156.8104
PVT ITHN1.973.18e-157.6124
BIGN GUEH1.922.48e-161.3148
RORO GUHH2.083.29e-163.7112
BURY GUHH2.012.79e-164.1164
IMI GUHH2.307.00e-165.2136
SNRM ITHN2.325.11e-167.5147
DNSP ITHN2.183.03e-174.1127
QLNO IVHH2.182.46e-180.890
EILF FRHH2.564.72e-189.1191
PCP GUHH1.961.01e-199.376


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 GUHHZ4.4448e-43.5496e-51.3913e-54.7116e-62.3211e-66.8275e-47.4908e-54.1404e-67.7864e-716.0188
STV GUHHN9.9598e-41.0440e-42.8692e-51.1088e-57.2767e-61.3724e-31.1993e-41.3427e-52.8033e-616.0188
STV GUHHE9.3457e-41.2275e-44.0840e-51.5160e-51.0393e-51.6345e-31.6145e-41.6815e-52.9303e-616.0188
ENR GUHHZ1.7321e-31.9244e-43.7221e-51.1274e-56.8773e-62.3179e-31.2842e-41.2985e-53.9536e-618.2151
ENR GUHHN3.0527e-33.6364e-48.5434e-53.3699e-52.1317e-54.2832e-33.6512e-43.9327e-57.7149e-618.2151
ENR GUHHE3.9143e-34.3502e-48.1346e-52.3996e-51.4204e-52.9687e-33.1817e-42.6936e-56.9240e-618.2151
PZZ GUHHZ8.6178e-51.8583e-59.9396e-62.4106e-61.3169e-61.4125e-44.5548e-52.1950e-64.6006e-730.0318
PZZ GUHHN6.9816e-51.1738e-56.6030e-61.7841e-61.1181e-61.4293e-42.5500e-51.6636e-62.6616e-730.0318
PZZ GUHHE5.4373e-51.2219e-57.8365e-62.4206e-61.2399e-61.0582e-44.2773e-51.7996e-63.1828e-730.0318
ISO FRHHZ3.4789e-56.2078e-62.0931e-68.1923e-75.3098e-74.9556e-59.4846e-68.5202e-71.2860e-731.0236
ISO FRHHN8.3474e-51.0034e-51.8843e-67.0741e-74.0583e-79.5462e-56.6718e-68.5699e-72.1715e-731.0236
ISO FRHHE8.0556e-58.1521e-62.6472e-61.1388e-66.7296e-71.2852e-41.0014e-51.0178e-61.8335e-731.0236
TURF FRHHZ3.0672e-54.6432e-62.1863e-67.2491e-73.0822e-79.1144e-59.1401e-65.6761e-71.0115e-741.2174
TURF FRHHN4.8436e-56.2147e-62.7541e-67.9554e-74.7636e-71.2141e-41.1671e-57.2879e-71.2677e-741.2174
TURF FRHHE4.0546e-54.8313e-62.5815e-69.5886e-75.0706e-78.8166e-51.2039e-57.3988e-79.3982e-841.2174
GBOS GUHHZ7.6077e-51.2468e-58.0280e-62.2339e-61.1412e-61.8303e-42.7054e-51.7880e-62.9833e-742.8103
GBOS GUHHN4.4621e-59.3431e-65.7718e-62.6721e-61.1857e-61.3952e-42.6283e-51.7042e-62.3765e-742.8103
GBOS GUHHE6.1722e-51.5941e-51.0467e-52.5900e-61.4976e-61.6774e-44.4333e-52.3762e-64.1568e-742.8103
SAOF FRHHZ2.1956e-52.6937e-61.3273e-63.4684e-71.8192e-75.9995e-55.6425e-62.8078e-75.4852e-843.4156
SAOF FRHHN2.7653e-54.3175e-61.7159e-64.5708e-72.4748e-78.6508e-56.1597e-63.9349e-79.0548e-843.4156
SAOF FRHHE2.0430e-53.1239e-61.6814e-65.3724e-72.4318e-73.8776e-58.4710e-63.5052e-76.7812e-843.4156
MGRO GUHHZ2.3110e-54.2560e-62.2960e-67.8334e-73.3563e-75.9572e-59.5020e-65.0496e-79.3405e-850.8130
MGRO GUHHN3.0160e-55.4664e-63.2610e-61.4826e-65.1462e-71.1219e-41.1449e-57.9880e-71.3311e-750.8130
MGRO GUHHE2.6177e-57.3573e-64.2638e-61.4370e-67.2000e-77.3529e-51.8216e-51.0529e-61.8315e-750.8130
ESCA FRHHZ2.4682e-53.4404e-61.5655e-64.2127e-72.1412e-76.2839e-55.0840e-63.4567e-77.5400e-856.7177
ESCA FRHHN4.7924e-54.9171e-62.2275e-66.4707e-73.3279e-71.0223e-48.6716e-66.0192e-71.2068e-756.7177
ESCA FRHHE3.6569e-55.1987e-62.3360e-68.5366e-74.2274e-78.8003e-51.5482e-56.2604e-79.8478e-856.7177
GARS ITHNZ2.4584e-53.6884e-62.4610e-61.0438e-64.7167e-77.0395e-51.0841e-56.5625e-79.5105e-856.8104
GARS ITHNN4.6749e-51.0710e-55.3744e-61.8823e-68.9603e-71.4178e-42.7571e-51.3533e-62.3815e-756.8104
GARS ITHNE6.0793e-57.5772e-65.1310e-61.8269e-67.4527e-79.9461e-52.0176e-59.7627e-71.7185e-756.8104
PVT ITHNZ4.9042e-55.0724e-62.7813e-69.4358e-74.6954e-78.4009e-51.5814e-57.9265e-71.3140e-757.6124
PVT ITHNN6.2933e-56.9061e-62.7068e-69.1547e-73.9527e-79.3090e-51.0183e-57.0955e-71.3970e-757.6124
PVT ITHNE7.7615e-58.9096e-62.6831e-68.5756e-74.9254e-71.0164e-41.5243e-57.1045e-71.7666e-757.6124
BHB GUHHZ1.4007e-52.2544e-67.9959e-72.2025e-71.2667e-73.9591e-52.6066e-62.0813e-74.1716e-858.2354
BHB GUHHN2.1264e-52.8947e-61.1538e-63.0443e-71.6822e-74.9762e-54.4644e-63.2545e-76.6992e-858.2354
BHB GUHHE2.1442e-52.8375e-69.7554e-72.4767e-71.2550e-75.9780e-54.2459e-62.1000e-75.5391e-858.2354
BIGN GUEHZ1.5233e-51.9340e-69.6974e-72.7292e-71.5007e-72.2259e-53.7829e-62.5574e-74.9614e-861.3148
BIGN GUEHN5.1321e-56.1869e-62.2737e-66.3638e-73.0622e-78.0178e-59.7835e-65.9694e-71.3257e-761.3148
BIGN GUEHE6.5328e-56.6857e-61.5957e-64.4981e-72.3924e-79.4236e-55.5065e-65.0985e-71.4607e-761.3148
RORO GUHHZ2.5619e-54.2394e-62.5514e-66.9751e-74.0098e-75.3032e-59.8153e-66.1639e-78.7436e-863.7112
RORO GUHHN3.0785e-55.2003e-63.4942e-68.0299e-73.9439e-77.2493e-51.7032e-56.0799e-71.1895e-763.7112
RORO GUHHE3.2754e-55.1688e-62.4675e-65.9104e-73.0136e-77.4270e-51.3804e-55.0260e-71.0971e-763.7112
BURY GUHHZ1.7586e-52.6183e-61.4025e-64.2061e-71.9874e-76.0774e-54.7212e-63.4211e-76.0843e-864.1164
BURY GUHHN2.7025e-53.8508e-62.0351e-64.3199e-72.7045e-78.5050e-59.8687e-64.3503e-78.6881e-864.1164
BURY GUHHE3.0385e-55.1888e-62.3207e-65.6948e-72.9181e-71.5831e-49.6720e-64.8484e-71.1641e-764.1164
IMI GUHHZ3.1181e-54.0816e-61.9507e-64.9250e-72.9384e-71.0217e-46.1580e-64.7108e-78.3822e-865.2136
IMI GUHHN5.9553e-51.1529e-55.4957e-61.4284e-68.1978e-71.5281e-41.6389e-51.3379e-62.7932e-765.2136
IMI GUHHE8.1779e-51.0278e-53.5014e-68.9866e-74.4317e-71.2120e-41.4278e-57.4204e-71.9136e-765.2136
SNRM ITHNZ2.5854e-54.2246e-62.7324e-69.4128e-73.9740e-77.2958e-51.0354e-55.8000e-71.2123e-767.5147
SNRM ITHNN2.8860e-56.1889e-64.4059e-61.4869e-68.7622e-76.5697e-52.0213e-51.2506e-61.9203e-767.5147
SNRM ITHNE4.0736e-56.3559e-64.8167e-61.4658e-66.5884e-79.1811e-52.6206e-59.5007e-71.4962e-767.5147
DNSP ITHNZ1.5872e-52.9621e-61.8807e-67.2733e-73.4650e-73.6663e-59.1988e-65.1444e-77.1705e-874.1127
DNSP ITHNN2.3680e-53.3755e-62.4762e-66.8132e-72.7458e-78.4241e-51.0657e-54.2494e-77.6554e-874.1127
DNSP ITHNE2.9161e-55.5761e-63.1084e-68.4040e-74.2620e-76.7399e-51.3656e-56.2052e-71.2401e-774.1127
RRL GUHHZ1.7068e-63.2133e-72.2565e-71.1336e-74.5842e-85.8843e-61.0374e-64.9064e-86.4286e-980.4327
RRL GUHHN2.5083e-65.0175e-73.8423e-71.2836e-75.0607e-81.1333e-51.2849e-67.9402e-81.2221e-880.4327
RRL GUHHE2.2429e-63.7920e-73.1777e-71.2934e-75.9576e-89.1865e-61.5937e-67.5577e-89.4752e-980.4327
QLNO IVHHZ1.1144e-51.8604e-69.9013e-74.3208e-72.4651e-73.1899e-54.0734e-63.5469e-74.2221e-880.890
QLNO IVHHN2.7340e-53.3652e-61.8075e-65.5900e-72.8594e-78.2370e-57.3020e-64.2741e-77.8368e-880.890
QLNO IVHHE2.5845e-53.5308e-61.7807e-66.8123e-72.8211e-76.7086e-57.9663e-64.4101e-78.5525e-880.890
OGAG FRHHZ2.0544e-64.3242e-73.3073e-71.8321e-71.0946e-74.1438e-61.7224e-61.3090e-71.1957e-882.7309
OGAG FRHHN1.6744e-63.3722e-73.4300e-71.6690e-76.4612e-84.6248e-61.3065e-68.4179e-89.0989e-982.7309
OGAG FRHHE1.6543e-64.9714e-75.0901e-72.9788e-71.1722e-73.9921e-63.4040e-61.2154e-71.4152e-882.7309
EILF FRHHZ3.8832e-55.0624e-62.1200e-67.3842e-73.1005e-78.7571e-58.1735e-64.8525e-71.1002e-789.1191
EILF FRHHN5.3559e-57.8317e-64.0708e-61.1211e-65.7539e-71.5801e-41.2998e-59.2504e-71.7545e-789.1191
EILF FRHHE3.2260e-54.9935e-62.7920e-61.0157e-64.2541e-78.4205e-51.3337e-57.1038e-71.2628e-789.1191
RSP GUHHZ2.7556e-63.8709e-72.1719e-75.7411e-83.1296e-88.1601e-61.1536e-64.3562e-88.5203e-992.4356
RSP GUHHN3.8769e-66.1103e-73.8502e-71.0254e-74.5174e-89.8130e-61.5417e-66.9974e-81.2959e-892.4356
RSP GUHHE3.2311e-65.6684e-73.3396e-71.0785e-77.9109e-81.3518e-51.4225e-61.4703e-71.5624e-892.4356
PCP GUHHZ5.8115e-61.5454e-61.2280e-67.9066e-73.4555e-71.4358e-56.7854e-64.3229e-74.3731e-899.376
PCP GUHHN6.6784e-61.2951e-69.3194e-74.8890e-71.6967e-71.7591e-53.9029e-62.1382e-73.1087e-899.376
PCP GUHHE7.6375e-61.1670e-69.2885e-73.3447e-71.6006e-71.4408e-57.0474e-62.0739e-72.9552e-899.376
*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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