MANUAL Location - Area: Alpi Marittime , magnitude (ML): 1.3
2025-04-01 23:02:15 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-04-02 07:16:51

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Earthquake info - Manual location
Event - ID :250401230042
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-04-01 23:02:15.222 (UTC)
Location : Latitude: 44.338 N, Longitude: 7.279 E
Area :Alpi Marittime
Depth (km) :13.55
Distances (km) : 2.8 --- Demonte
5.5 --- Aisone
7.5 --- Valloriate
8.6 --- Monterosso Grana
8.9 --- Moiola
9.0 --- Vinadio
9.1 --- Pradleves
9.6 --- Castelmagno
9.6 --- Rittana
10.1 --- Gaiola
11.4 --- Valdieri
11.5 --- Valgrana
12.8 --- Roccasparvera
13.5 --- Montemale di Cuneo
13.5 --- Bernezzo
14.3 --- Entracque
14.8 --- Caraglio
15.4 --- Vignolo
15.6 --- Cartignano
15.9 --- Cervasca

Quality location estimate: Erh: 0.7 km, Erz: 0.7 km, Nf: 50, Gap: 78 °, Rms: 0.34


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.
VINDIV2025-04-01 23:02:18.4000.0200-0.021.452025-04-01 23:02:20.0420.0400-0.571.0716.2
STVGU2025-04-01 23:02:18.6700.00900.061.202025-04-01 23:02:20.5300.0531-0.411.1818.2
ENRGU2025-04-01 23:02:19.2600.01100.031.382025-04-01 23:02:21.7790.0641-0.221.1622.0
PZZGU2025-04-01 23:02:20.5300.01300.001.442025-04-01 23:02:23.7200.0802-0.591.0027.3
ISOFR2025-04-01 23:02:20.9800.01500.470.042025-04-01 23:02:23.9900.0862-0.091.2828.9
SURFFR2025-04-01 23:02:23.1100.0211-0.071.352025-04-01 23:02:28.5050.1324-0.371.1842.5
TURFFR2025-04-01 23:02:23.5300.02210.110.852025-04-01 23:02:28.6500.1314-0.600.9343.5
SAOFFR2025-04-01 23:02:23.9930.02000.031.262025-04-01 23:02:29.4300.1414-0.680.7946.9
GBOSGU2025-04-01 23:02:23.7900.0291-0.021.352025-04-01 23:02:29.4800.1444-0.211.2148.1
MVIFFR2025-04-01 23:02:24.8800.0653-0.071.292025-04-01 23:02:30.9500.1564-1.050.3151.9
MLIGIV2025-04-01 23:02:24.4190.0200-0.561.082025-04-01 23:02:30.5440.0400-1.330.1452.3
MGROGU2025-04-01 23:02:24.9500.0281-0.461.182025-04-01 23:02:31.3500.1665-1.260.1855.6
BHBGU2025-04-01 23:02:24.6400.0281-0.321.172025-04-01 23:02:31.0430.1885-0.710.7457.0
ESCAFR2025-04-01 23:02:25.9600.02910.031.182025-04-01 23:02:32.9200.1765-0.540.9858.6
BRDIT2025-04-01 23:02:25.7300.0200-0.600.972025-04-01 23:02:33.4860.0400-0.590.9462.1
BURYGU2025-04-01 23:02:26.9200.0341-0.481.152025-04-01 23:02:34.7600.2016-1.130.2967.0
ROROGU2025-04-01 23:02:27.0700.0351-0.261.202025-04-01 23:02:35.3500.2076-0.391.0868.9
IMIGU2025-04-01 23:02:27.2700.0351-0.151.252025-04-01 23:02:35.4190.2096-0.640.8369.7
SNRMIT2025-04-01 23:02:27.6220.0200-0.061.272025-04-01 23:02:35.8650.0400-0.521.0371.5
RRLGU2025-04-01 23:02:28.6000.0200-0.261.212025-04-01 23:02:38.2940.2356-0.221.0677.1
OGAGFR2025-04-01 23:02:28.8340.0200-0.281.212025-04-01 23:02:38.6660.0400-0.271.1878.4
CANOGU2025-04-01 23:02:28.8500.0391-0.411.182025-04-01 23:02:38.1400.2376-0.960.4678.9
QLNOIV2025-04-01 23:02:30.1200.04320.021.102025-04-01 23:02:39.9800.2587-0.710.7486.0
PCPGU2025-04-01 23:02:32.9400.05220.210.572025-04-01 23:02:44.9150.6269-0.360.68103.9
OGMOFR2025-04-01 23:02:33.8090.0200-0.241.222025-04-01 23:02:46.8050.0400-0.441.02108.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
STV GUHH1.557.56e-118.2160
ENR GUHH1.671.44e+022.0138
PZZ GUHH1.224.21e-127.3325
ISO FRHH1.423.53e-128.9227
TURF FRHH1.138.23e-243.5167
SAOF FRHH1.208.18e-246.9151
GBOS GUHH1.508.08e-248.1103
MGRO GUHH1.134.93e-255.6128
ESCA FRHH1.205.23e-258.6172
BRD ITHN1.982.76e-162.1144
BURY GUHH1.335.24e-267.0160
RORO GUHH1.294.57e-268.9112
IMI GUHH1.631.30e-169.7134
RRL GUHH1.141.69e-277.1329
OGAG FRHH1.001.75e-278.4311
CANO GUHH1.384.12e-278.9100
QLNO IVHH1.192.23e-286.091
PCP GUHH1.121.32e-2103.977


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 GUHHZ1.3135e-41.1248e-52.5852e-67.0499e-74.0783e-78.0685e-59.5510e-69.2676e-72.2906e-718.2160
STV GUHHN9.2157e-58.7073e-61.5490e-64.9126e-73.0477e-79.5691e-55.4258e-66.4863e-71.7691e-718.2160
STV GUHHE1.8014e-41.9453e-54.8159e-61.3694e-68.5365e-72.1861e-41.7963e-51.7937e-63.7229e-718.2160
ENR GUHHZ1.2118e-41.2846e-53.5662e-61.1504e-66.4873e-71.8405e-41.6975e-51.1217e-62.1752e-722.0138
ENR GUHHN4.7158e-43.9069e-58.2679e-62.6241e-61.4561e-64.2542e-43.2161e-52.7517e-68.1673e-722.0138
ENR GUHHE6.1621e-45.3202e-57.7535e-62.4279e-61.5059e-64.2591e-43.1262e-53.3873e-61.0283e-622.0138
PZZ GUHHZ3.8979e-57.3792e-64.0292e-61.0326e-65.3720e-71.1990e-41.6687e-58.7299e-71.7497e-727.3325
PZZ GUHHN5.0461e-57.4182e-64.5633e-61.2520e-66.7705e-71.7691e-42.1491e-51.0789e-61.7512e-727.3325
PZZ GUHHE3.4345e-55.2033e-63.6431e-61.1113e-65.0299e-71.1108e-42.1506e-57.2359e-71.3459e-727.3325
ISO FRHHZ3.8901e-55.2686e-61.3012e-63.8916e-72.4026e-76.7141e-55.4772e-65.0909e-71.1055e-728.9227
ISO FRHHN5.8784e-58.9720e-62.2436e-67.2110e-74.7083e-71.0264e-49.5427e-67.9093e-71.6423e-728.9227
ISO FRHHE2.9508e-54.3345e-61.7700e-65.3546e-73.3478e-75.8503e-56.3494e-65.5886e-71.0280e-728.9227
TURF FRHHZ4.4123e-65.4959e-73.1671e-71.1988e-75.0139e-89.0284e-62.0604e-66.5909e-81.2246e-843.5167
TURF FRHHN3.5799e-65.3953e-74.8102e-71.6342e-77.3232e-81.0101e-52.5875e-61.1533e-71.6338e-843.5167
TURF FRHHE3.7101e-68.2859e-76.3854e-72.6206e-71.3741e-77.9393e-64.2655e-62.0369e-72.5259e-843.5167
SAOF FRHHZ5.0976e-61.0813e-68.6163e-73.2111e-71.2425e-71.0851e-56.0154e-61.7521e-73.1323e-846.9151
SAOF FRHHN4.8476e-61.0725e-66.3371e-71.8730e-71.0362e-71.1163e-52.6734e-61.4890e-72.5093e-846.9151
SAOF FRHHE3.6377e-66.9472e-77.2846e-72.9050e-71.2555e-79.6403e-65.2428e-61.7434e-72.1057e-846.9151
GBOS GUHHZ6.0812e-68.4994e-74.1402e-71.5813e-76.1627e-81.6693e-51.6117e-69.4256e-81.9817e-848.1103
GBOS GUHHN4.5622e-66.8543e-75.8013e-72.6631e-71.1046e-71.3858e-52.7228e-61.4404e-72.0944e-848.1103
GBOS GUHHE5.5553e-61.2838e-67.3441e-72.7670e-71.4112e-71.5970e-53.9687e-62.1525e-73.3168e-848.1103
MGRO GUHHZ2.0199e-63.6945e-72.6089e-71.5163e-75.4102e-83.8943e-61.0004e-67.4240e-88.7428e-955.6128
MGRO GUHHN2.8184e-66.1870e-74.0475e-72.2342e-79.3433e-88.5847e-62.6667e-61.1874e-71.4630e-855.6128
MGRO GUHHE3.2093e-65.7944e-74.5830e-72.1494e-77.7671e-88.5129e-61.9511e-61.0533e-71.4854e-855.6128
BHB GUHHZ3.3096e-64.4222e-72.1804e-76.3564e-84.0080e-89.7659e-69.4429e-77.9325e-89.5223e-957.0359
BHB GUHHN3.3475e-64.3554e-72.0655e-75.2275e-82.6374e-89.8117e-68.9471e-74.9159e-89.4530e-957.0359
BHB GUHHE4.6521e-66.1932e-72.1176e-75.4036e-82.7161e-81.0859e-57.2513e-75.3060e-81.2467e-857.0359
ESCA FRHHZ3.9440e-65.8531e-72.5419e-75.7698e-83.4223e-81.0635e-51.4628e-65.8222e-81.2735e-858.6172
ESCA FRHHN9.2737e-61.2299e-63.9079e-78.9111e-85.6847e-82.6846e-51.4564e-61.0827e-72.5099e-858.6172
ESCA FRHHE5.4968e-68.6514e-74.5734e-71.3030e-76.9267e-82.0516e-53.0810e-61.0755e-72.2723e-858.6172
BRD ITHNZ5.0706e-61.1330e-67.9263e-73.4165e-71.4799e-79.4980e-64.2061e-62.1772e-72.6398e-862.1144
BRD ITHNN6.0491e-62.0717e-61.9488e-69.9776e-74.1158e-71.2247e-51.6021e-55.9601e-76.4490e-862.1144
BRD ITHNE4.1298e-69.6913e-78.3336e-75.2253e-72.3160e-71.5320e-53.7918e-63.3656e-73.9409e-862.1144
BURY GUHHZ5.4884e-65.2612e-72.2910e-71.1452e-79.8043e-87.0242e-61.3667e-61.2590e-71.1610e-867.0160
BURY GUHHN1.3080e-51.2175e-62.9231e-71.3290e-77.0915e-89.8112e-61.8461e-61.0658e-72.4022e-867.0160
BURY GUHHE1.1176e-51.3025e-63.1336e-71.1132e-76.4567e-81.4290e-51.3469e-61.4154e-72.6969e-867.0160
RORO GUHHZ2.8324e-65.1561e-73.2959e-78.2089e-84.5478e-88.3489e-61.1827e-67.0345e-81.2387e-868.9112
RORO GUHHN3.6946e-67.8420e-74.5352e-79.6582e-85.3722e-81.2308e-51.8069e-69.5184e-81.8574e-868.9112
RORO GUHHE3.0873e-64.8266e-73.0388e-77.0414e-83.7045e-88.4711e-61.7761e-65.9120e-81.2303e-868.9112
IMI GUHHZ3.2601e-65.0392e-72.9360e-71.2988e-75.4303e-81.0435e-51.8843e-68.7086e-81.0543e-869.7134
IMI GUHHN9.8658e-61.9246e-61.0528e-63.2889e-71.5117e-72.0133e-54.4963e-62.2288e-74.3271e-869.7134
IMI GUHHE5.2967e-61.0206e-66.2684e-71.8505e-78.8684e-81.0831e-53.1236e-61.2607e-72.5292e-869.7134
SNRM ITHNZ5.4352e-61.1947e-68.6572e-74.2200e-72.0075e-71.4220e-53.3158e-62.6318e-73.2576e-871.5145
SNRM ITHNN8.8841e-61.9386e-61.2359e-66.3338e-73.1696e-71.8977e-56.2324e-65.7423e-76.1447e-871.5145
SNRM ITHNE1.0342e-51.6040e-61.2910e-66.8404e-74.9779e-72.4875e-56.5662e-68.4720e-76.3677e-871.5145
RRL GUHHZ9.2943e-71.2491e-78.2025e-83.1133e-81.7754e-83.0758e-65.3825e-72.7218e-83.3519e-977.1329
RRL GUHHN1.0993e-62.2914e-71.4896e-76.0244e-82.4396e-84.2642e-67.9735e-73.2071e-85.2184e-977.1329
RRL GUHHE1.1832e-61.8803e-71.4746e-75.6650e-82.0959e-83.4511e-69.0373e-73.4067e-84.3181e-977.1329
OGAG FRHHZ4.7766e-71.5038e-71.2396e-75.5732e-83.6496e-81.3735e-68.2193e-74.5400e-84.6379e-978.4311
OGAG FRHHN4.9139e-71.0128e-79.6805e-83.6589e-82.2788e-81.5851e-66.7927e-73.5626e-83.1857e-978.4311
OGAG FRHHE5.8914e-71.3610e-71.4845e-79.3374e-83.6439e-81.2844e-61.0856e-64.7419e-85.6071e-978.4311
CANO GUHHZ3.0272e-64.0778e-72.5858e-77.5772e-85.6295e-85.7074e-61.3692e-69.4212e-89.7697e-978.9100
CANO GUHHN2.9213e-65.1048e-73.9779e-71.3596e-75.6061e-81.0634e-52.6819e-68.4935e-81.2935e-878.9100
CANO GUHHE3.3187e-65.2302e-73.3973e-71.1821e-78.4765e-81.7262e-51.6450e-61.3779e-71.2686e-878.9100
QLNO IVHHZ1.4466e-61.9074e-71.3053e-74.6416e-82.6874e-83.5034e-69.2892e-73.9659e-84.8154e-986.091
QLNO IVHHN2.5032e-63.5746e-71.7005e-75.8790e-82.7722e-85.6631e-67.4235e-73.8128e-86.6826e-986.091
QLNO IVHHE2.6465e-63.3948e-71.9859e-77.0114e-83.3301e-87.5127e-69.0100e-75.2240e-88.1410e-986.091
PCP GUHHZ9.2143e-71.5851e-71.2332e-74.9256e-82.4559e-82.1317e-66.7125e-73.5680e-84.2532e-9103.977
PCP GUHHN1.1816e-61.8478e-71.2149e-73.7789e-82.0340e-83.7947e-66.6823e-73.5139e-83.9949e-9103.977
PCP GUHHE1.2090e-62.1197e-71.3606e-74.0923e-82.3313e-83.2214e-68.4423e-72.8119e-84.4071e-9103.977
*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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