MANUAL Location - Area: Alpi Marittime , magnitude (ML): 2.9
2025-07-29 16:24:03 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-29 16:42:24

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Earthquake info - Manual location
Event - ID :250729162304
Magnitude (ML) :2.9 +/- 0.2
Origin Time :2025-07-29 16:24:03.443 (UTC)
Location : Latitude: 44.053 N, Longitude: 7.633 E
Area :Alpi Marittime
Depth (km) :3.95
Distances (km) : 9.9 --- Briga Alta
12.5 --- Triora
13.2 --- Molini di Triora
13.4 --- Pigna
14.0 --- Mendatica
14.1 --- Castel Vittorio
14.8 --- Montegrosso Pian Latte
16.1 --- Cosio di Arroscia
17.1 --- Limone Piemonte
18.0 --- Baiardo
18.0 --- Rocchetta Nervina
18.9 --- Pornassio
19.1 --- Apricale
19.2 --- Isolabona
19.5 --- Rezzo
20.7 --- Perinaldo
21.1 --- Airole
21.2 --- Carpasio
21.3 --- Olivetta San Michele
21.8 --- Montalto Ligure

Quality location estimate: Erh: 0.4 km, Erz: 0.6 km, Nf: 83, Gap: 34 °, Rms: 0.28


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.
MLIGIV2025-07-29 16:24:05.8440.0200-0.081.702025-07-29 16:24:06.8540.0400-0.990.069.2
SAOFFR2025-07-29 16:24:06.5300.01500.630.582025-07-29 16:24:07.5700.2256-0.191.3010.7
MGROGU2025-07-29 16:24:06.8700.0160-0.251.172025-07-29 16:24:09.2020.1002-0.660.2615.1
BRDIT2025-07-29 16:24:07.5860.02000.021.772025-07-29 16:24:10.2270.0400-0.420.7719.2
TURFFR2025-07-29 16:24:08.5200.01100.270.932025-07-29 16:24:11.3920.2056-0.390.9021.5
BIGNGU2025-07-29 16:24:08.2100.01100.031.762025-07-29 16:24:11.4090.3107-0.281.0622.5
PVTIT2025-07-29 16:24:08.2690.0200-0.101.672025-07-29 16:24:11.7470.0400-0.321.0323.6
ENRGU2025-07-29 16:24:08.7500.01300.111.542025-07-29 16:24:12.1300.0802-0.181.4526.5
IMIGU2025-07-29 16:24:08.8500.0130-0.021.792025-07-29 16:24:12.7200.0802-0.221.3426.6
GBOSGU2025-07-29 16:24:09.0100.01300.091.592025-07-29 16:24:12.7100.08020.021.6727.1
SNRMIT2025-07-29 16:24:09.2560.02000.171.282025-07-29 16:24:13.2430.04000.011.7128.7
BURYGU2025-07-29 16:24:09.5600.0160-0.121.602025-07-29 16:24:14.3660.13030.221.2230.9
ESCAFR2025-07-29 16:24:10.4500.01700.320.852025-07-29 16:24:14.6890.2897-0.231.1432.5
STVGU2025-07-29 16:24:09.8300.01700.081.642025-07-29 16:24:13.9400.0992-0.201.3932.9
GARSIT2025-07-29 16:24:10.3070.10040.111.522025-07-29 16:24:15.3630.04000.480.7035.2
ROROGU2025-07-29 16:24:10.3100.0221-0.081.702025-07-29 16:24:15.1300.1063-0.181.4235.5
DNSPIT2025-07-29 16:24:10.8510.02000.201.202025-07-29 16:24:15.8750.04000.011.6637.9
MVIFFR2025-07-29 16:24:12.1700.02710.121.512025-07-29 16:24:17.9300.1303-0.321.0742.4
VINDIV2025-07-29 16:24:12.1670.0200-0.041.742025-07-29 16:24:18.0050.0400-0.171.4346.5
ISOFR2025-07-29 16:24:13.1300.02510.440.702025-07-29 16:24:19.2400.14840.121.3849.0
QLNOIV2025-07-29 16:24:15.2700.0462-0.350.992025-07-29 16:24:23.2300.2527-0.890.2464.5
PZZGU2025-07-29 16:24:15.5100.0381-0.091.622025-07-29 16:24:24.0290.1965-0.031.3365.3
EILFFR2025-07-29 16:24:17.2240.03510.870.432025-07-29 16:24:25.6000.21060.101.2769.2
SURFFR2025-07-29 16:24:17.9500.0412-0.241.272025-07-29 16:24:28.6380.04000.211.2280.8
PCPGU2025-07-29 16:24:19.5100.04520.281.082025-07-29 16:24:33.1770.04002.890.0690.7
BHBGU2025-07-29 16:24:19.1900.05120.051.542025-07-29 16:24:29.6690.1002-0.251.1491.9
ROTMGU2025-07-29 16:24:23.3300.05220.680.592025-07-29 16:24:38.9030.04002.790.06105.4
OGDIFR2025-07-29 16:24:24.5600.05720.680.602025-07-29 16:24:41.3840.04002.910.06112.6
RNCAGU2025-07-29 16:24:24.6100.05721.560.062025-07-29 16:24:39.4290.04002.260.05114.8
MONCIV2025-07-29 16:24:25.1000.05820.031.44--:---.-----.---.-- 115.9
RRLGU2025-07-29 16:24:23.6600.0592-0.261.212025-07-29 16:24:37.9000.0400-0.390.89117.5
OGAGFR2025-07-29 16:24:24.7600.07930.301.082025-07-29 16:24:41.5240.20052.320.06119.3
RSPGU2025-07-29 16:24:23.9300.0673-0.201.302025-07-29 16:24:38.4140.0400-0.560.65125.3
GORRGU2025-07-29 16:24:28.2600.07230.520.772025-07-29 16:24:47.2070.25061.860.00145.7
MSSAIV2025-07-29 16:24:28.8600.07630.560.742025-07-29 16:24:49.0300.04002.830.00153.1
LSDGU2025-07-29 16:24:29.5300.0814-0.161.272025-07-29 16:24:49.6500.04001.150.32161.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
MGRO GUHH2.802.76e+115.195
BRD ITHN2.831.95e+119.2156
BIGN GUEH2.516.84e+022.5157
PVT ITHN2.628.11e+023.693
IMI GUHH2.841.46e+126.6127
GBOS GUHH2.794.73e+027.138
SNRM ITHN2.696.60e+028.7154
BURY GUHH2.645.17e+030.9191
STV GUHH2.592.74e+032.9311
GARS ITHN2.775.37e+035.261
RORO GUHH2.694.41e+035.579
DNSP ITHN2.896.15e+037.9111
QLNO IVHH2.902.11e+064.562
PZZ GUHH2.732.41e+065.3321
EILF FRHH2.771.35e+069.2216
PCP GUHH3.051.54e+090.753
BHB GUHH2.949.67e-191.9341
ROTM GUHH2.993.29e+0105.433
RNCA GUHH2.986.83e-1114.866
RRL GUHH3.105.67e-1117.5326
OGAG FRHH3.067.41e-1119.3314
RSP GUHH2.612.51e-1125.3347
GORR GUHH3.328.10e-1145.764
MSSA IVHH2.892.61e-1153.178
LSD GUHH2.791.78e-1161.3346


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.
(°)
SAOF FRHHZ2.0665e-41.1554e-48.8268e-51.1654e-41.1627e-43.4813e-45.1868e-42.1977e-41.1102e-510.7221
SAOF FRHHN2.3588e-41.3764e-41.0313e-41.4672e-41.5081e-46.0520e-46.0065e-42.4278e-41.0628e-510.7221
SAOF FRHHE2.7840e-41.3554e-48.7463e-51.4526e-41.5036e-45.7019e-43.5102e-42.5061e-49.0176e-610.7221
MGRO GUHHZ1.7031e-49.0464e-58.0617e-57.5578e-54.8844e-53.0355e-44.9141e-45.1075e-55.3073e-615.195
MGRO GUHHN2.5486e-41.5680e-47.0090e-51.1917e-41.7013e-41.1372e-35.2240e-42.6022e-49.4785e-615.195
MGRO GUHHE3.0530e-41.2573e-47.0556e-56.9655e-57.5860e-54.7528e-43.1684e-41.1087e-44.8126e-615.195
BRD ITHNZ1.3309e-46.0978e-55.8213e-56.1694e-54.7876e-53.0888e-42.7050e-49.1340e-53.3751e-619.2156
BRD ITHNN2.3494e-41.3837e-41.0330e-41.1107e-49.5153e-53.5286e-44.0003e-41.6187e-46.2918e-619.2156
BRD ITHNE1.7326e-49.6074e-57.9306e-51.3178e-49.1175e-53.1722e-44.0579e-41.1891e-47.7635e-619.2156
TURF FRHHZ5.3068e-52.2241e-51.3839e-52.0039e-51.8472e-51.1816e-45.4281e-53.1378e-51.7698e-621.5246
TURF FRHHN1.0057e-42.7419e-51.7559e-52.2140e-53.6485e-53.4902e-47.9117e-57.4566e-51.8286e-621.5246
TURF FRHHE1.0380e-42.7892e-51.9820e-51.8689e-52.6564e-52.3993e-41.0658e-44.7873e-51.9786e-621.5246
BIGN GUEHZ6.8555e-53.2747e-51.8699e-52.8763e-53.5025e-51.6895e-47.9318e-55.3955e-52.4388e-622.5157
BIGN GUEHN1.7236e-45.1080e-52.9622e-53.9897e-54.1351e-54.0393e-41.0121e-46.8772e-53.3532e-622.5157
BIGN GUEHE1.7603e-45.3011e-52.8540e-53.9340e-53.6547e-53.5160e-49.7915e-55.1897e-54.6681e-622.5157
PVT ITHNZ1.4122e-45.4413e-53.3135e-56.3111e-54.5160e-54.4663e-41.1493e-45.3176e-54.4372e-623.693
PVT ITHNN1.9813e-44.7692e-53.4419e-54.8333e-55.5704e-54.1668e-41.2048e-47.7354e-52.5191e-623.693
PVT ITHNE1.6308e-44.2627e-52.1267e-53.7677e-52.8230e-53.8834e-46.9185e-52.5492e-52.0999e-623.693
ENR GUHHZ1.8511e-44.6391e-53.4651e-52.4802e-52.4396e-54.2006e-41.7804e-43.7305e-52.0074e-626.5319
ENR GUHHN5.0760e-48.9651e-55.4392e-52.9541e-52.2896e-58.9759e-42.0425e-43.9944e-53.5623e-626.5319
ENR GUHHE2.8654e-46.6306e-54.5946e-53.0069e-53.0199e-57.4733e-41.7963e-43.6813e-52.3633e-626.5319
IMI GUHHZ1.2761e-43.4670e-52.8033e-54.1360e-53.0757e-56.0695e-41.4302e-44.6888e-52.1517e-626.6127
IMI GUHHN2.5394e-47.8771e-56.1150e-58.1323e-58.5042e-56.3384e-42.2536e-41.0884e-45.1532e-626.6127
IMI GUHHE1.9249e-45.8175e-53.1050e-53.0038e-55.7767e-55.3606e-41.1659e-41.1604e-44.2976e-626.6127
GBOS GUHHZ6.2005e-52.5828e-51.7286e-52.2340e-51.5365e-51.7143e-49.4803e-51.8239e-51.2999e-627.138
GBOS GUHHN5.1581e-52.5287e-51.7487e-53.2090e-52.0605e-51.3363e-46.6773e-53.0550e-51.3624e-627.138
GBOS GUHHE7.0308e-52.7537e-51.9801e-53.1119e-52.1025e-51.5451e-47.9683e-52.8021e-51.4196e-627.138
SNRM ITHNZ1.0584e-43.5938e-53.7636e-54.6571e-52.7522e-53.3668e-41.4191e-43.1269e-51.6974e-628.7154
SNRM ITHNN1.3136e-44.8710e-54.7586e-54.1821e-51.7353e-53.0630e-43.2860e-42.0148e-51.5011e-628.7154
SNRM ITHNE1.4016e-44.5169e-54.3718e-54.6933e-52.8666e-53.1403e-41.7396e-42.9047e-52.1908e-628.7154
BURY GUHHZ6.6605e-52.0927e-51.9150e-52.2646e-51.5331e-51.2342e-47.0684e-51.9050e-51.0954e-630.9191
BURY GUHHN9.0156e-52.5397e-51.6302e-52.3189e-51.3772e-52.4521e-47.5103e-51.8494e-51.2311e-630.9191
BURY GUHHE1.0961e-44.3673e-52.4205e-52.8025e-51.7729e-51.9987e-41.1600e-41.8684e-51.5973e-630.9191
ESCA FRHHZ3.5185e-51.3600e-58.9482e-69.9409e-68.0066e-61.0994e-44.4111e-59.6365e-66.4648e-732.5220
ESCA FRHHN6.4844e-51.9148e-51.4698e-51.0563e-57.8403e-61.8735e-47.9087e-59.6976e-66.0143e-732.5220
ESCA FRHHE4.2545e-51.5558e-51.3612e-51.8100e-51.1933e-51.6242e-45.7642e-51.2616e-59.1353e-732.5220
STV GUHHZ8.9434e-52.5874e-52.2178e-51.1191e-58.0247e-62.3024e-41.2449e-41.3342e-57.5962e-732.9311
STV GUHHN6.2848e-51.4349e-51.1507e-58.4849e-67.9958e-62.0169e-46.8570e-51.3143e-57.3044e-732.9311
STV GUHHE1.1216e-42.5295e-52.2772e-51.2560e-56.6181e-62.5263e-41.4798e-47.3671e-68.3035e-732.9311
GARS ITHNZ4.4863e-52.0449e-51.3337e-52.2605e-51.4032e-51.3826e-45.6105e-51.8335e-51.1488e-635.261
GARS ITHNN9.8240e-54.4986e-52.5602e-53.0113e-51.9486e-52.9742e-41.4861e-42.7824e-51.4241e-635.261
GARS ITHNE7.6589e-52.6605e-52.2052e-52.5354e-51.3196e-52.5331e-41.5556e-41.2793e-51.0356e-635.261
RORO GUHHZ4.7528e-52.6285e-51.3538e-52.7783e-52.4069e-51.4657e-47.2088e-53.1864e-51.2184e-635.579
RORO GUHHN8.4101e-52.5509e-51.6306e-52.4180e-52.6512e-51.9252e-47.3189e-53.1501e-51.5765e-635.579
RORO GUHHE6.4608e-52.7354e-51.5048e-52.0904e-51.9251e-52.6012e-47.8184e-52.8949e-51.1279e-635.579
DNSP ITHNZ9.5498e-52.7540e-51.9800e-53.8746e-53.2298e-53.3716e-48.2950e-53.6415e-51.7317e-637.9111
DNSP ITHNN1.2837e-43.3704e-52.1018e-54.0541e-53.1563e-53.7440e-48.3363e-53.6619e-52.2614e-637.9111
DNSP ITHNE1.2249e-42.8239e-52.0403e-52.5492e-52.1655e-54.6259e-48.3252e-53.4910e-51.3509e-637.9111
ISO FRHHZ1.6273e-54.4012e-63.3065e-62.8272e-62.9273e-66.2509e-51.6088e-54.8826e-61.8783e-749.0288
ISO FRHHN2.0069e-54.1097e-63.4634e-63.3444e-62.3324e-67.8968e-51.4066e-53.6784e-62.0209e-749.0288
ISO FRHHE1.6078e-53.7623e-63.0991e-63.4876e-64.3475e-64.6196e-51.4694e-56.0888e-62.0456e-749.0288
QLNO IVHHZ2.0488e-51.1660e-56.1616e-61.6373e-51.1086e-57.0750e-52.8547e-51.3529e-55.3915e-764.562
QLNO IVHHN4.1044e-51.1901e-59.1111e-61.4004e-51.0443e-51.5169e-44.9263e-51.3182e-54.8823e-764.562
QLNO IVHHE3.8026e-51.4212e-51.0754e-51.3851e-51.1133e-51.1916e-45.1958e-51.3477e-56.4641e-764.562
PZZ GUHHZ4.3762e-51.6538e-51.4369e-56.7457e-64.0557e-61.1548e-47.8383e-54.5327e-64.6798e-765.3321
PZZ GUHHN4.8104e-51.9180e-51.6592e-51.3911e-57.2695e-61.4884e-41.1704e-47.8455e-66.1924e-765.3321
PZZ GUHHE5.9360e-51.6611e-51.4718e-56.9460e-63.9269e-61.3628e-45.9433e-54.0563e-64.6196e-765.3321
EILF FRHHZ8.2264e-51.2534e-58.5457e-62.9974e-61.5398e-61.2156e-43.9435e-52.2216e-62.8232e-769.2216
EILF FRHHN7.5355e-51.7899e-51.4208e-54.7342e-62.3761e-62.2242e-47.7284e-53.1055e-64.1078e-769.2216
EILF FRHHE6.9445e-51.1865e-51.0196e-56.1644e-62.3738e-61.8103e-44.9667e-52.9048e-63.2742e-769.2216
PCP GUHHZ2.4460e-59.9391e-67.3017e-61.0456e-58.4223e-63.9644e-53.6511e-51.1388e-55.1532e-790.753
PCP GUHHN2.0593e-58.9688e-67.6662e-69.6468e-66.6827e-66.1270e-53.4315e-51.0754e-54.6416e-790.753
PCP GUHHE1.9258e-59.7280e-66.4025e-61.0116e-58.3543e-65.6002e-52.4376e-58.5968e-63.8646e-790.753
BHB GUHHZ2.0809e-54.7025e-63.1487e-62.2320e-61.6574e-68.7262e-52.0533e-53.0434e-61.9092e-791.9341
BHB GUHHN1.6843e-55.9289e-63.9537e-63.6340e-63.4348e-66.1983e-52.7908e-56.4223e-62.7114e-791.9341
BHB GUHHE1.7631e-56.2438e-64.4040e-65.6052e-63.4602e-65.8484e-52.5218e-54.5156e-63.1814e-791.9341
ROTM GUHHZ2.3048e-58.8272e-66.8636e-66.5419e-65.9515e-65.5280e-53.8610e-58.0310e-64.0714e-7105.433
ROTM GUHHN4.2724e-51.5975e-51.4829e-51.1985e-55.5748e-66.4758e-58.8837e-57.4445e-65.7063e-7105.433
ROTM GUHHE2.3274e-58.1497e-68.2560e-67.7368e-64.2256e-65.1479e-54.5326e-57.2043e-63.9185e-7105.433
RNCA GUHHZ7.0995e-63.0163e-62.2351e-63.0213e-62.0830e-69.4816e-61.4307e-51.7975e-61.1584e-7114.866
RNCA GUHHN7.5154e-63.7623e-62.5003e-63.7140e-62.5212e-61.3539e-51.6207e-52.3602e-61.9304e-7114.866
RNCA GUHHE6.7920e-62.9855e-62.5192e-62.2066e-61.6623e-61.1502e-51.1527e-52.0868e-61.0355e-7114.866
RRL GUHHZ3.8696e-62.3224e-61.3384e-62.9888e-62.4098e-61.3141e-57.4235e-63.0680e-61.3650e-7117.5326
RRL GUHHN5.5259e-63.0302e-61.6809e-63.3299e-62.3437e-61.5942e-51.0310e-53.0843e-61.3740e-7117.5326
RRL GUHHE4.4736e-62.4858e-61.6707e-62.7280e-62.5476e-61.0547e-59.7151e-63.3075e-61.3928e-7117.5326
OGAG FRHHZ5.3993e-62.9351e-62.2426e-62.8604e-62.6209e-62.5631e-58.5537e-64.6268e-61.8877e-7119.3314
OGAG FRHHN6.0460e-62.1861e-61.7480e-62.2304e-61.7540e-61.6165e-59.1621e-62.2690e-69.5546e-8119.3314
OGAG FRHHE4.6870e-63.0754e-62.1560e-63.0857e-63.0594e-61.1451e-51.1603e-55.2454e-61.7057e-7119.3314
RSP GUHHZ4.6180e-61.3696e-61.1247e-61.0988e-67.0202e-71.3027e-54.9538e-69.3752e-75.0606e-8125.3347
RSP GUHHN4.2825e-61.2860e-61.2818e-67.9868e-73.5920e-71.8213e-59.6895e-64.3516e-74.3409e-8125.3347
RSP GUHHE6.0990e-61.7781e-61.6916e-61.4249e-68.2196e-71.8868e-59.7853e-69.4588e-76.9268e-8125.3347
GORR GUHHZ2.7477e-61.4851e-61.0481e-61.4937e-61.9320e-68.1039e-65.4911e-63.2150e-61.1745e-7145.764
GORR GUHHN3.2883e-61.7332e-61.1255e-61.4271e-61.8581e-66.7755e-65.6246e-62.6946e-68.3192e-8145.764
GORR GUHHE4.5264e-62.2450e-61.4690e-61.8599e-61.8753e-68.2843e-66.5796e-62.5408e-61.0260e-7145.764
MSSA IVHHZ1.4825e-67.7418e-75.2228e-71.0647e-69.7935e-73.0382e-61.8069e-61.0786e-65.4470e-8153.178
MSSA IVHHN1.4234e-64.0193e-73.4383e-73.9955e-72.7975e-73.1626e-61.7482e-63.5992e-71.5822e-8153.178
MSSA IVHHE1.1314e-65.2793e-74.4281e-75.8139e-74.1792e-72.5145e-61.9619e-64.0652e-72.2932e-8153.178
LSD GUHHZ3.2015e-68.5523e-77.8937e-73.9124e-71.6114e-75.9544e-64.2995e-61.7614e-72.1574e-8161.3346
LSD GUHHN2.5705e-67.0988e-77.1940e-73.2894e-71.7615e-76.0147e-63.7350e-62.2847e-72.3421e-8161.3346
LSD GUHHE2.4018e-68.8162e-78.4291e-74.8813e-71.8631e-75.7172e-63.6324e-62.3645e-72.5379e-8161.3346
*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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