MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.7
2025-02-03 23:02:16 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-02-04 09:03:13

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Earthquake info - Manual location
Event - ID :250203230151
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2025-02-03 23:02:16.612 (UTC)
Location : Latitude: 44.458 N, Longitude: 7.265 E
Area :Alpi Cozie
Depth (km) :14.02
Distances (km) : 2.8 --- Cartignano
3.6 --- San Damiano Macra
4.4 --- Pradleves
6.5 --- Roccabruna
6.8 --- Castelmagno
7.1 --- Monterosso Grana
7.3 --- Celle di Macra
7.9 --- Dronero
8.3 --- Macra
9.1 --- Montemale di Cuneo
9.6 --- Villar San Costanzo
10.5 --- Valgrana
11.6 --- Valmala
12.2 --- Stroppo
12.5 --- Melle
12.7 --- Frassino
13.5 --- Marmora
13.7 --- Caraglio
14.5 --- Canosio
14.7 --- Sampeyre

Quality location estimate: Erh: 1.1 km, Erz: 0.5 km, Nf: 42, Gap: 84 °, Rms: 0.42


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.
PZZGU2025-02-03 23:02:20.6600.17170.151.012025-02-03 23:02:22.6670.0400-0.641.3420.2
VINDIV2025-02-03 23:02:20.8920.0200-0.051.392025-02-03 23:02:23.2880.0400-0.681.2122.8
STVGU2025-02-03 23:02:21.8220.02000.081.352025-02-03 23:02:24.7370.0400-0.581.4028.4
ENRGU2025-02-03 23:02:22.3890.02000.061.442025-02-03 23:02:25.8340.0400-0.481.2932.0
ISOFR2025-02-03 23:02:24.0380.02000.540.152025-02-03 23:02:28.1040.0400-0.081.2638.0
SURFFR2025-02-03 23:02:24.0100.17270.170.972025-02-03 23:02:28.5940.0400-0.521.3138.6
BHBGU2025-02-03 23:02:24.2250.0200-0.061.362025-02-03 23:02:29.0590.0400-0.551.3244.4
GBOSGU2025-02-03 23:02:25.9740.0200-0.041.382025-02-03 23:02:31.8770.0400-0.701.0853.8
TURFFR2025-02-03 23:02:26.9610.02000.071.342025-02-03 23:02:33.4780.0400-0.760.9256.4
SAOFFR2025-02-03 23:02:27.2140.0200-0.071.302025-02-03 23:02:33.7040.0400-1.140.3059.1
MLIGIV2025-02-03 23:02:27.6120.0200-0.511.332025-02-03 23:02:34.3780.0400-1.980.0363.6
MVIFFR2025-02-03 23:02:28.6250.02000.220.792025-02-03 23:02:36.0740.0400-0.870.7164.6
MGROGU2025-02-03 23:02:27.7870.0200-0.411.112025-02-03 23:02:35.0640.0400-1.420.1765.2
RRLGU2025-02-03 23:02:28.2450.0200-0.011.372025-02-03 23:02:36.0810.0400-0.411.1765.7
ESCAFR2025-02-03 23:02:29.5460.02000.131.122025-02-03 23:02:37.6250.0400-0.850.7671.8
ROROGU2025-02-03 23:02:29.4180.0200-0.220.992025-02-03 23:02:38.1430.0400-0.691.0275.8
BIGNGU2025-02-03 23:02:29.5880.0200-0.471.252025-02-03 23:02:38.4360.0400-1.120.3776.9
RSPGU2025-02-03 23:02:29.0250.0200-0.641.252025-02-03 23:02:38.5060.0400-0.511.1778.2
CANOGU2025-02-03 23:02:30.8730.0200-0.411.142025-02-03 23:02:40.2120.0400-1.510.1583.5
PCPGU2025-02-03 23:02:34.0650.02000.250.772025-02-03 23:02:46.1940.0400-0.061.10103.0
LSDGU2025-02-03 23:02:35.9700.02000.710.122025-02-03 23:02:48.5330.04000.051.00112.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.491.36e-120.2295
STV GUHH0.948.04e-228.4168
ISO FRHH0.492.44e-238.0209
BHB GUHH0.491.64e-244.4360
TURF FRHH0.461.03e-256.4169
SAOF FRHH0.377.56e-359.1156
MGRO GUHH0.711.36e-265.2137
RRL GUHH0.831.18e-265.7324
ESCA FRHH0.445.89e-371.8173
RORO GUHH0.861.36e-275.8121
BIGN GUEH0.871.34e-276.9150
RSP GUHH0.223.12e-378.20
CANO GUHH1.021.61e-283.5109
PCP GUHH0.826.73e-3103.084
LSD GUHH0.956.61e-3112.9355


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 GUHHZ1.7768e-52.7179e-61.1062e-62.5021e-71.5161e-73.1623e-55.7027e-62.6064e-75.1005e-820.2295
PZZ GUHHN2.5394e-53.0184e-61.0009e-63.4171e-71.9201e-74.3192e-55.0750e-63.3173e-76.8160e-820.2295
PZZ GUHHE1.8204e-52.0448e-69.9968e-72.5386e-71.2806e-72.9962e-53.6643e-62.1697e-74.0188e-820.2295
STV GUHHZ1.2294e-51.2451e-63.4261e-71.3800e-77.3221e-89.6567e-61.5263e-61.0317e-72.1808e-828.4168
STV GUHHN9.2542e-61.0448e-63.7292e-71.0769e-75.5433e-81.1415e-51.5569e-69.4621e-82.0832e-828.4168
STV GUHHE2.2698e-52.4475e-66.0702e-71.7752e-79.5401e-82.8665e-52.6563e-61.9481e-74.9619e-828.4168
ENR GUHHZ7.5310e-56.4772e-61.4342e-64.7090e-72.4537e-71.0647e-44.9525e-65.4198e-71.3529e-732.0154
ENR GUHHN1.7307e-41.8828e-53.1735e-67.9854e-75.0844e-72.4133e-41.3407e-51.2894e-63.6238e-732.0154
ENR GUHHE2.3689e-42.0652e-54.0042e-61.0584e-66.4616e-73.0151e-41.5388e-51.4462e-64.3231e-732.0154
ISO FRHHZ2.0775e-62.8408e-77.5777e-82.1362e-81.1297e-82.2422e-63.0706e-72.3526e-85.2746e-938.0209
ISO FRHHN2.8999e-63.2000e-79.4093e-83.0295e-81.9427e-83.4261e-64.1839e-72.8348e-85.6364e-938.0209
ISO FRHHE3.2792e-63.7863e-71.5581e-76.0456e-83.5786e-84.9259e-66.7916e-76.1108e-81.0126e-838.0209
BHB GUHHZ2.7834e-63.5644e-71.4032e-73.7299e-82.8984e-86.5164e-66.1557e-76.9689e-87.8936e-944.4360
BHB GUHHN3.2706e-63.1778e-71.0805e-73.3757e-82.0965e-84.4963e-63.3291e-74.0108e-85.7286e-944.4360
BHB GUHHE4.2616e-64.6485e-71.5442e-74.3308e-82.5761e-88.4904e-64.4532e-75.4401e-88.6873e-944.4360
GBOS GUHHZ2.6602e-66.2130e-73.7182e-79.4538e-84.7459e-89.9526e-61.4271e-67.3958e-81.4501e-853.8118
GBOS GUHHN2.7610e-65.3829e-72.5821e-75.4824e-82.7956e-88.8393e-61.0908e-64.7751e-81.0049e-853.8118
GBOS GUHHE2.7539e-67.2964e-74.5200e-71.4621e-77.4202e-81.0683e-52.3910e-61.1155e-72.0663e-853.8118
TURF FRHHZ7.5996e-71.0082e-75.8538e-82.3502e-81.5096e-81.3700e-64.6292e-72.3219e-82.9385e-956.4169
TURF FRHHN1.0166e-61.2881e-77.4845e-82.5743e-81.6655e-82.7311e-65.4206e-72.5162e-83.3313e-956.4169
TURF FRHHE1.0546e-61.5066e-78.5622e-82.7946e-81.7562e-82.9170e-63.4003e-72.5624e-83.7738e-956.4169
SAOF FRHHZ5.4385e-79.1851e-86.1169e-82.4925e-81.5435e-81.5849e-62.8138e-71.9820e-82.7049e-959.1156
SAOF FRHHN8.2588e-71.0392e-76.2944e-82.5966e-81.1930e-81.4909e-62.1166e-71.4217e-82.2892e-959.1156
SAOF FRHHE8.6019e-71.4428e-76.8072e-82.7385e-81.7140e-81.5785e-63.5700e-71.9856e-83.4117e-959.1156
MGRO GUHHZ8.6375e-71.5867e-71.0235e-74.5074e-81.7808e-83.1487e-65.4236e-72.4046e-84.0254e-965.2137
MGRO GUHHN1.1038e-61.4952e-71.1069e-75.0227e-81.7709e-82.4672e-65.8088e-72.4315e-83.7597e-965.2137
MGRO GUHHE1.1145e-61.8753e-71.2591e-74.2148e-81.9566e-84.7254e-66.0273e-72.7336e-84.4459e-965.2137
RRL GUHHZ4.6885e-78.3191e-84.5431e-82.1323e-81.1763e-81.2047e-63.1033e-71.5277e-82.2831e-965.7324
RRL GUHHN7.2259e-71.6152e-78.7083e-83.5069e-81.4752e-81.9993e-63.9955e-72.2986e-83.9152e-965.7324
RRL GUHHE7.0125e-71.4452e-79.0143e-84.0027e-81.8820e-82.5111e-63.7194e-72.2125e-83.5684e-965.7324
ESCA FRHHZ9.4774e-71.1269e-73.6637e-81.3845e-89.3309e-91.3945e-61.3399e-71.5848e-82.0701e-971.8173
ESCA FRHHN1.0737e-61.3121e-75.7262e-81.7764e-81.2236e-82.4265e-61.7475e-71.6847e-82.7031e-971.8173
ESCA FRHHE8.2322e-71.0594e-76.2275e-81.9819e-81.3263e-81.7920e-62.4622e-71.9613e-82.2524e-971.8173
RORO GUHHZ1.4725e-62.3505e-71.2181e-73.7253e-81.7767e-83.2050e-63.5812e-73.4161e-85.8201e-975.8121
RORO GUHHN1.7032e-62.7815e-71.4490e-73.3747e-81.7192e-82.9867e-67.0393e-72.9109e-84.9780e-975.8121
RORO GUHHE1.7824e-62.5993e-71.4046e-73.8406e-81.8481e-83.6387e-67.1330e-72.6162e-85.4113e-975.8121
BIGN GUEHZ8.0338e-79.9390e-84.6117e-81.6273e-81.2212e-81.4968e-61.9448e-71.7111e-82.1955e-976.9150
BIGN GUEHN1.5625e-62.0938e-77.8307e-84.5285e-87.2145e-82.5590e-62.4624e-71.1699e-71.7111e-876.9150
BIGN GUEHE2.0342e-62.6659e-79.0418e-82.5171e-82.0410e-83.8144e-62.7064e-73.1953e-85.9048e-976.9150
RSP GUHHZ3.3829e-73.8348e-81.6208e-84.6695e-92.7672e-96.9311e-74.9515e-84.3933e-99.0732e-1078.20
RSP GUHHN4.0072e-75.3314e-82.8100e-87.4407e-93.5033e-91.4004e-61.0861e-75.6395e-91.1795e-978.20
RSP GUHHE5.0213e-76.8858e-82.8491e-87.6258e-94.4786e-91.3485e-61.0906e-78.6434e-91.4179e-978.20
CANO GUHHZ1.2996e-61.4781e-77.4734e-82.8481e-81.9406e-82.4801e-63.1608e-73.0139e-83.2962e-983.5109
CANO GUHHN1.9315e-62.4996e-71.4014e-74.6304e-82.3796e-84.3987e-65.7163e-73.1696e-85.7599e-983.5109
CANO GUHHE1.4039e-62.4257e-71.4985e-74.5095e-82.7832e-84.4942e-65.2690e-74.8868e-85.7841e-983.5109
PCP GUHHZ5.1056e-76.4922e-84.7994e-82.6271e-81.4316e-81.4490e-62.0243e-72.0463e-81.7417e-9103.084
PCP GUHHN4.3434e-78.1636e-85.1939e-81.7427e-81.2087e-81.1775e-62.6169e-71.9266e-81.9950e-9103.084
PCP GUHHE8.0240e-71.0223e-76.1835e-81.6256e-81.3041e-81.7922e-63.6403e-72.1331e-82.4123e-9103.084
LSD GUHHZ3.6429e-75.7020e-83.8853e-81.3769e-86.3746e-98.2034e-71.4381e-77.5697e-91.3846e-9112.9355
LSD GUHHN3.6641e-76.2738e-84.6758e-81.2891e-86.3018e-99.8353e-73.4233e-71.0456e-81.4823e-9112.9355
LSD GUHHE5.5470e-71.0295e-75.9894e-81.7948e-88.9458e-91.2692e-62.8045e-71.3982e-82.4702e-9112.9355
*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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