MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.0
2025-05-06 15:53:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-07 06:48:53

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Earthquake info - Manual location
Event - ID :250506155229
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-05-06 15:53:48.926 (UTC)
Location : Latitude: 44.488 N, Longitude: 7.290 E
Area :Alpi Cozie
Depth (km) :7.88
Distances (km) : 1.1 --- Cartignano
2.8 --- San Damiano Macra
4.3 --- Roccabruna
6.2 --- Dronero
7.2 --- Villar San Costanzo
7.6 --- Pradleves
7.7 --- Valmala
8.7 --- Melle
8.8 --- Montemale di Cuneo
8.8 --- Celle di Macra
9.0 --- Macra
9.1 --- Monterosso Grana
9.5 --- Frassino
10.7 --- Castelmagno
10.8 --- Brossasco
11.0 --- Valgrana
11.8 --- Venasca
12.8 --- Sampeyre
12.9 --- Rossana
13.1 --- Stroppo

Quality location estimate: Erh: 0.9 km, Erz: 0.8 km, Nf: 40, Gap: 89 °, 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.
PZZGU2025-05-06 15:53:52.6100.01000.220.952025-05-06 15:53:54.8400.0501-0.021.6216.8
VINDIV2025-05-06 15:53:53.4770.02000.001.632025-05-06 15:53:56.0920.0400-0.550.7723.2
STVGU2025-05-06 15:53:54.4800.01600.270.782025-05-06 15:53:57.8200.0862-0.051.5428.5
ENRGU2025-05-06 15:53:55.0100.01700.240.902025-05-06 15:53:58.7250.0962-0.091.4931.8
SURFFR2025-05-06 15:53:56.0600.0200-0.201.252025-05-06 15:54:00.8400.1163-0.770.5238.7
BHBGU2025-05-06 15:53:55.9900.04520.071.462025-05-06 15:54:00.4630.1193-0.221.2739.5
ISOFR2025-05-06 15:53:56.6700.02110.440.222025-05-06 15:54:01.1100.1193-0.091.4339.8
GBOSGU2025-05-06 15:53:58.2660.02000.081.442025-05-06 15:54:04.4900.2276-0.051.2652.3
TURFFR2025-05-06 15:53:59.6300.03010.081.422025-05-06 15:54:06.6400.1755-0.440.9758.2
SAOFFR2025-05-06 15:53:59.7600.0311-0.091.522025-05-06 15:54:06.4930.1815-1.040.3560.1
RRLGU2025-05-06 15:53:59.9640.0200-0.191.322025-05-06 15:54:07.5500.1895-0.530.8663.0
MLIGIV2025-05-06 15:54:00.1060.0200-0.530.812025-05-06 15:54:07.7200.0400-1.240.2264.3
MGROGU2025-05-06 15:54:00.2720.0200-0.341.012025-05-06 15:54:07.9420.2436-0.970.4365.2
MVIFFR2025-05-06 15:54:01.3600.03410.141.262025-05-06 15:54:08.9870.2026-1.090.3367.2
ESCAFR2025-05-06 15:54:02.1720.02000.041.472025-05-06 15:54:10.9800.2917-0.430.9673.8
ROROGU2025-05-06 15:54:01.9120.0200-0.061.522025-05-06 15:54:10.6970.2266-0.301.1175.0
BIGNGU2025-05-06 15:54:02.0760.0200-0.560.772025-05-06 15:54:11.3700.4068-0.870.5677.9
IMIGU2025-05-06 15:54:02.7800.0412-0.141.422025-05-06 15:54:12.5200.2436-0.361.0480.7
CANOGU2025-05-06 15:54:03.1820.0200-0.430.932025-05-06 15:54:12.7700.3247-1.120.3681.9
PCPGU2025-05-06 15:54:06.5540.02000.610.162025-05-06 15:54:18.3890.44890.360.68100.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
PZZ GUHH1.046.72e-116.8279
STV GUHH1.111.20e-128.5174
BHB GUHH0.642.90e-239.5357
ISO FRHH0.643.13e-239.8210
GBOS GUHH1.203.39e-252.3122
TURF FRHH0.671.56e-258.2172
SAOF FRHH0.812.02e-260.1159
RRL GUHH0.971.80e-263.0321
MGRO GUHH1.103.29e-265.2140
ESCA FRHH0.931.69e-273.8175
RORO GUHH1.032.09e-275.0124
BIGN GUEH1.092.18e-277.9152
IMI GUHH1.415.69e-280.7143
CANO GUHH1.323.32e-281.9112
PCP GUHH1.161.59e-2100.086


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 GUHHZ8.4484e-51.5407e-55.5156e-61.5521e-68.1417e-71.8652e-42.4828e-51.4875e-63.3873e-716.8279
PZZ GUHHN1.0783e-41.1485e-54.3310e-61.1709e-67.5959e-72.4513e-41.4554e-51.3113e-62.4539e-716.8279
PZZ GUHHE8.5963e-51.1012e-54.6153e-61.4028e-68.4494e-71.5509e-41.8328e-51.4031e-62.6691e-716.8279
STV GUHHZ2.7392e-52.2719e-67.1227e-72.5278e-71.1287e-73.2622e-52.8670e-61.8888e-74.9682e-828.5174
STV GUHHN1.7168e-52.1110e-66.7595e-72.1862e-71.0560e-72.9871e-52.8023e-61.6922e-73.6388e-828.5174
STV GUHHE2.2189e-52.8596e-61.0059e-62.0621e-71.1614e-76.5394e-53.4927e-62.1647e-75.3084e-828.5174
ENR GUHHZ7.9424e-56.3769e-62.8558e-61.1528e-65.6672e-78.5184e-51.4966e-58.6673e-71.3356e-731.8160
ENR GUHHN2.0324e-42.0639e-54.3118e-61.3148e-66.2762e-72.1697e-42.0026e-51.4493e-63.9843e-731.8160
ENR GUHHE1.8720e-41.7398e-57.2291e-61.8561e-61.0687e-61.8201e-43.4710e-51.8394e-64.0906e-731.8160
BHB GUHHZ5.8470e-67.0494e-72.1645e-75.8947e-83.4074e-89.9865e-68.4854e-77.0422e-81.4870e-839.5357
BHB GUHHN4.6015e-65.7080e-72.4543e-75.4544e-83.0770e-81.0423e-58.2291e-75.0118e-81.1299e-839.5357
BHB GUHHE7.1166e-67.6560e-71.9947e-76.8706e-82.9483e-81.2819e-56.2040e-75.5964e-81.4214e-839.5357
ISO FRHHZ3.2508e-64.4106e-72.2297e-76.9262e-84.4553e-85.2494e-61.0019e-66.3556e-89.8359e-939.8210
ISO FRHHN4.4454e-64.4848e-71.4529e-74.5923e-82.6461e-85.7373e-65.5869e-74.7295e-89.7315e-939.8210
ISO FRHHE4.4586e-67.3764e-72.3181e-76.4110e-83.7785e-87.5320e-61.0374e-65.7764e-81.5295e-839.8210
GBOS GUHHZ3.2425e-64.2282e-72.3660e-75.8110e-83.2506e-89.4879e-61.2699e-64.9949e-89.9129e-952.3122
GBOS GUHHN3.1994e-65.1502e-72.3714e-79.0713e-84.9879e-87.4405e-67.0944e-77.3079e-81.1713e-852.3122
GBOS GUHHE2.6153e-65.4047e-73.0013e-77.1389e-83.5812e-89.5827e-61.6186e-65.8797e-81.2888e-852.3122
TURF FRHHZ1.8515e-62.1129e-71.1808e-73.3188e-82.2536e-84.5943e-64.5907e-74.0217e-84.8549e-958.2172
TURF FRHHN1.9480e-63.1649e-71.4006e-74.3014e-82.5784e-86.2904e-64.9688e-74.4728e-88.2922e-958.2172
TURF FRHHE1.7384e-62.8872e-71.4772e-74.5250e-82.2601e-87.3773e-65.9244e-72.9564e-86.4535e-958.2172
SAOF FRHHZ1.0332e-61.5632e-71.0093e-75.2869e-82.1365e-82.5315e-65.1089e-72.7988e-84.9291e-960.1159
SAOF FRHHN1.3149e-61.7767e-71.1229e-74.7849e-82.5237e-83.1596e-65.8273e-73.7108e-84.4461e-960.1159
SAOF FRHHE1.9252e-63.0899e-71.3591e-74.8590e-83.3867e-83.9790e-69.1248e-75.4729e-88.9505e-960.1159
RRL GUHHZ1.3278e-61.4952e-71.2870e-76.4877e-82.8561e-82.8544e-68.6583e-74.1060e-85.7379e-963.0321
RRL GUHHN1.3429e-62.5131e-72.1234e-77.0660e-83.1306e-85.9617e-61.0661e-64.7666e-86.0608e-963.0321
RRL GUHHE1.1284e-62.0782e-71.6536e-77.1267e-83.1831e-83.9807e-61.1154e-63.8171e-84.9907e-963.0321
MGRO GUHHZ9.4088e-72.4913e-71.9539e-71.2662e-73.9916e-82.0069e-61.0201e-64.8147e-86.1744e-965.2140
MGRO GUHHN1.9026e-64.0256e-72.5314e-71.2989e-74.7250e-85.4191e-61.0578e-65.5441e-89.6119e-965.2140
MGRO GUHHE1.5707e-63.5384e-72.7519e-71.2762e-75.1950e-84.8322e-61.3849e-66.8099e-88.1678e-965.2140
ESCA FRHHZ1.1824e-61.3878e-79.0752e-83.0963e-81.9016e-82.4152e-63.7319e-72.9814e-83.8752e-973.8175
ESCA FRHHN2.2106e-62.3353e-71.2172e-73.7549e-82.3784e-83.7170e-64.5067e-73.3457e-85.1166e-973.8175
ESCA FRHHE2.0278e-62.6952e-71.3853e-74.2598e-82.5641e-84.7428e-67.1853e-74.0249e-86.5105e-973.8175
RORO GUHHZ1.8585e-63.7822e-71.6462e-75.1612e-82.2431e-85.8025e-66.1995e-73.7970e-87.4589e-975.0124
RORO GUHHN2.0928e-62.8189e-72.0861e-76.5868e-82.8220e-86.3367e-61.1062e-64.1523e-87.4404e-975.0124
RORO GUHHE2.2771e-64.3229e-71.8715e-75.3025e-82.6841e-86.5687e-68.4958e-73.9979e-88.9820e-975.0124
BIGN GUEHZ1.3347e-61.4143e-77.1488e-82.9581e-82.1819e-82.0454e-63.3433e-72.5285e-83.8830e-977.9152
BIGN GUEHN3.4354e-63.6167e-71.8516e-76.8702e-84.2794e-83.4918e-68.8681e-76.0453e-87.6830e-977.9152
BIGN GUEHE4.5942e-64.8782e-71.6441e-75.8426e-83.6548e-85.2477e-67.6005e-74.7338e-81.0641e-877.9152
IMI GUHHZ1.7498e-63.5158e-72.2154e-75.9535e-83.3874e-84.0502e-61.5100e-64.4457e-89.7969e-980.7143
IMI GUHHN5.6463e-61.0323e-64.6968e-71.3669e-76.4985e-89.2087e-62.0947e-69.9566e-82.2138e-880.7143
IMI GUHHE2.9710e-64.7578e-72.7874e-77.6189e-83.8654e-86.5438e-61.1534e-66.5432e-81.1956e-880.7143
CANO GUHHZ1.7356e-62.3745e-71.2467e-74.9559e-86.2709e-83.2478e-65.2804e-71.1465e-78.4003e-981.9112
CANO GUHHN1.9049e-63.8321e-72.5429e-77.9954e-84.0874e-83.6759e-61.7134e-65.9694e-89.6604e-981.9112
CANO GUHHE2.8699e-64.5729e-73.2700e-71.3570e-79.2440e-81.2080e-51.3510e-61.7156e-71.4903e-881.9112
PCP GUHHZ9.4439e-71.7018e-71.1342e-77.5174e-83.0328e-82.2877e-68.0819e-73.3190e-85.3318e-9100.086
PCP GUHHN9.9799e-72.6537e-71.5208e-74.8192e-82.7267e-82.7483e-61.0491e-64.0537e-86.4714e-9100.086
PCP GUHHE1.0673e-62.0013e-71.5099e-75.9687e-83.4683e-82.9871e-68.4872e-75.2668e-85.0047e-9100.086
*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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