MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.3
2025-06-03 03:32:19 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-03 08:07:27

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Earthquake info - Manual location
Event - ID :250603033106
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2025-06-03 03:32:19.106 (UTC)
Location : Latitude: 44.620 N, Longitude: 7.227 E
Area :Alpi Cozie
Depth (km) :7.58
Distances (km) : 5.4 --- Sampeyre
6.5 --- Frassino
7.0 --- Oncino
7.8 --- Sanfront
8.2 --- Paesana
8.7 --- Ostana
9.6 --- Gambasca
9.6 --- Melle
10.2 --- Rifreddo
10.5 --- Crissolo
10.9 --- Martiniana Po
11.9 --- Brossasco
12.5 --- Valmala
12.7 --- Isasca
12.9 --- Casteldelfino
13.5 --- Envie
13.5 --- Revello
13.8 --- Macra
14.0 --- Elva
14.2 --- Brondello

Quality location estimate: Erh: 0.8 km, Erz: 1.6 km, Nf: 30, Gap: 123 °, Rms: 0.25


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.
PZZGU2025-06-03 03:32:23.1200.01100.450.742025-06-03 03:32:25.2240.10530.031.6117.8
BHBGU2025-06-03 03:32:24.2700.01500.351.052025-06-03 03:32:27.1900.09020.021.6025.4
VINDIV2025-06-03 03:32:25.7980.02000.151.422025-06-03 03:32:30.1260.0400-0.121.2135.6
SURFFR2025-06-03 03:32:26.1600.0241-0.041.602025-06-03 03:32:30.7500.1173-0.630.4537.1
STVGU2025-06-03 03:32:26.7810.0200-0.001.682025-06-03 03:32:31.7100.2386-0.410.7343.2
ENRGU2025-06-03 03:32:27.3300.0241-0.031.612025-06-03 03:32:33.3680.14640.271.2546.8
RRLGU2025-06-03 03:32:28.0400.02510.031.682025-06-03 03:32:33.5700.1534-0.700.4149.0
ISOFR2025-06-03 03:32:28.7270.02000.410.962025-06-03 03:32:34.9520.04000.301.2251.2
GBOSGU2025-06-03 03:32:30.4210.02000.211.382025-06-03 03:32:37.8800.25270.021.2164.9
TURFFR2025-06-03 03:32:32.3990.02000.261.302025-06-03 03:32:40.8980.0400-0.470.6173.3
MLIGIV2025-06-03 03:32:32.8010.0200-0.350.612025-06-03 03:32:41.4870.0400-1.660.0179.4
MGROGU2025-06-03 03:32:32.4070.0200-0.610.452025-06-03 03:32:41.8780.0400-1.020.1679.6
ROROGU2025-06-03 03:32:33.9400.0200-0.061.412025-06-03 03:32:44.1590.2687-0.141.0487.7
ESCAFR2025-06-03 03:32:34.9690.02000.251.322025-06-03 03:32:41.9430.0400-3.760.0088.9
LSDGU2025-06-03 03:32:38.1200.02002.990.002025-06-03 03:32:46.4690.04000.141.2794.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.239.31e-217.8215
BHB GUHH0.162.22e-225.47
STV GUHH0.461.21e-243.2169
RRL GUHH0.741.75e-249.0314
ISO FRHH0.075.09e-351.2196
TURF FRHH0.142.83e-373.3170
MGRO GUHH0.303.40e-379.6144
RORO GUHH0.635.77e-387.7130


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 GUHHZ1.0624e-51.2044e-66.6307e-71.6946e-79.1051e-82.4831e-53.3325e-61.6169e-73.1634e-817.8215
PZZ GUHHN1.2554e-51.7105e-67.2763e-71.7958e-78.7389e-82.7450e-52.9694e-61.7118e-73.9657e-817.8215
PZZ GUHHE1.1924e-51.8545e-68.5845e-71.9232e-71.0171e-73.0328e-53.0239e-61.6920e-73.9877e-817.8215
BHB GUHHZ5.2189e-67.4451e-72.5828e-75.7540e-83.1653e-81.4857e-51.0685e-65.3844e-81.5249e-825.47
BHB GUHHN4.2569e-64.2267e-71.7313e-74.2147e-82.2310e-87.0826e-67.5831e-74.0513e-88.4660e-925.47
BHB GUHHE4.2727e-64.6126e-71.6456e-75.1825e-82.8511e-88.9975e-66.9144e-75.2353e-81.0821e-825.47
STV GUHHZ1.1982e-61.9736e-71.1107e-72.7972e-81.5984e-82.7506e-64.6414e-72.2712e-84.2031e-943.2169
STV GUHHN1.4003e-61.5390e-78.1254e-82.4205e-89.8651e-92.6423e-63.7416e-71.4980e-83.7582e-943.2169
STV GUHHE1.3890e-62.2338e-71.1053e-73.4764e-81.8562e-84.3851e-64.5492e-72.9909e-85.4940e-943.2169
ENR GUHHZ7.4523e-65.8239e-71.9120e-74.8819e-83.0169e-89.3240e-65.9874e-75.5056e-81.1069e-846.8161
ENR GUHHN2.1498e-51.7268e-63.1499e-78.8486e-85.0540e-81.4317e-51.4180e-61.1921e-73.2299e-846.8161
ENR GUHHE3.2235e-52.9153e-64.2268e-79.8468e-86.0467e-81.5908e-51.8256e-61.6447e-74.8895e-846.8161
RRL GUHHZ1.1451e-61.6988e-76.3426e-82.6904e-81.3035e-82.5503e-62.4577e-71.8527e-83.8299e-949.0314
RRL GUHHN1.8895e-62.9446e-71.4169e-73.2539e-81.9420e-81.0021e-54.1480e-73.3471e-86.3893e-949.0314
RRL GUHHE2.7770e-63.9045e-71.3276e-74.3685e-82.3102e-89.7506e-64.8443e-74.2385e-88.7093e-949.0314
ISO FRHHZ7.6004e-78.2787e-84.0733e-81.8067e-89.0515e-91.6001e-61.8650e-71.4045e-82.0338e-951.2196
ISO FRHHN7.6995e-77.6284e-82.9098e-87.4799e-94.7783e-91.3897e-61.0021e-77.8222e-91.8160e-951.2196
ISO FRHHE9.9016e-71.1506e-73.7700e-81.5567e-86.1777e-92.1427e-61.3755e-79.6037e-92.4832e-951.2196
GBOS GUHHZ1.1174e-61.5825e-71.2046e-73.6125e-81.6163e-83.5557e-66.4869e-72.7412e-83.9334e-964.9131
GBOS GUHHN9.1767e-71.7774e-71.1923e-76.4616e-85.2400e-81.4640e-66.0859e-77.8294e-85.7546e-964.9131
GBOS GUHHE7.1963e-71.4269e-77.9882e-83.3429e-81.3801e-81.4664e-63.0193e-71.9708e-83.6367e-964.9131
TURF FRHHZ1.9375e-73.7502e-82.4962e-81.0398e-87.7870e-94.7998e-71.9885e-71.2608e-81.0142e-973.3170
TURF FRHHN5.0538e-74.8034e-82.8108e-81.2623e-89.5875e-97.7000e-71.8630e-71.4609e-81.1956e-973.3170
TURF FRHHE3.8242e-73.9924e-82.4119e-81.1961e-87.5133e-95.6273e-71.1129e-79.8587e-91.0535e-973.3170
MGRO GUHHZ1.7221e-72.5452e-81.6391e-81.1937e-85.8735e-93.6535e-79.8889e-89.2466e-98.8605e-1079.6144
MGRO GUHHN2.5984e-73.2881e-82.6303e-81.3212e-89.1081e-95.5930e-71.1020e-71.4441e-89.9994e-1079.6144
MGRO GUHHE2.3974e-73.1427e-82.3055e-81.6332e-89.1387e-94.6402e-71.1682e-71.2393e-81.0931e-979.6144
RORO GUHHZ5.6108e-77.8946e-83.4898e-81.2656e-87.9776e-91.1078e-62.0046e-71.3318e-81.5606e-987.7130
RORO GUHHN5.5876e-77.3311e-85.0527e-81.7455e-88.6339e-91.1674e-62.2691e-71.3742e-81.7652e-987.7130
RORO GUHHE6.6150e-79.0755e-84.9225e-81.4144e-88.3059e-92.2194e-62.0905e-71.2613e-82.2236e-987.7130
ESCA FRHHZ4.4885e-71.1865e-78.6897e-82.6301e-81.4721e-88.2242e-75.6170e-72.4799e-82.8487e-988.9172
ESCA FRHHN6.1698e-71.3017e-79.3278e-82.8709e-81.3439e-81.6084e-65.1894e-71.8995e-83.2039e-988.9172
ESCA FRHHE5.1325e-71.1375e-78.6807e-82.3809e-81.0809e-81.0117e-63.8627e-71.7392e-82.9186e-988.9172
LSD GUHHZ6.9918e-78.5578e-83.8462e-81.2811e-85.5179e-91.2682e-62.0440e-77.6634e-91.7694e-994.1356
LSD GUHHN8.5069e-79.2085e-83.9241e-81.2636e-85.8941e-91.4518e-62.6887e-79.5541e-92.0069e-994.1356
LSD GUHHE8.1603e-71.0813e-76.2811e-82.1909e-89.8532e-91.4142e-63.4625e-71.5759e-82.7463e-994.1356
*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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