AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 0.8
2025-07-03 22:20:29 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-03 22:24:10

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Earthquake info - RsniPicker2 automatic location
Event - ID :250703221908
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-07-03 22:20:29.95 (UTC)
Location : Latitude: 44.521 N, Longitude: 7.240 E
Area :Alpi Cozie
Depth (km) :17.02
Distances (km) : 3.6 --- San Damiano Macra (CN)
5.4 --- Macra (CN)
6.0 --- Cartignano (CN)
6.4 --- Celle di Macra (CN)
6.4 --- Frassino (CN)
7.7 --- Sampeyre (CN)
7.9 --- Melle (CN)
8.8 --- Valmala (CN)
9.2 --- Stroppo (CN)
9.4 --- Roccabruna (CN)
11.1 --- Brossasco (CN)
11.4 --- Dronero (CN)
11.6 --- Pradleves (CN)
11.9 --- Villar San Costanzo (CN)
12.2 --- Elva (CN)
12.5 --- Castelmagno (CN)
13.3 --- Venasca (CN)
13.5 --- Marmora (CN)
13.5 --- Isasca (CN)
13.9 --- Monterosso Grana (CN)

Quality location estimate:
Erh: 1 km, Erz: 0.9 km, Nf: 28, Gap: 85°, Rms: 0.302 s
Stazioni validate: 16


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err		 P pick
weight		 P res Nll
weight		 S arrival time S pick
err		 S pick
weight		 S res Nll
weight		 Dist.
PZZGU2025-07-03 22:20:33.5400.0120-0.251.002025-07-03 22:20:35.5290.5343-1.010.5119.7
STVGU2025-07-03 22:20:36.2990.04800.011.552025-07-03 22:20:40.1500.1072-0.600.9535.7
SURFFR2025-07-03 22:20:37.0990.02500.021.542025-07-03 22:20:41.7700.1152-0.501.0738.2
BHBGU2025-07-03 22:20:36.7090.02100.001.592025-07-03 22:20:40.7790.1172-0.630.9039.0
ENRGU2025-07-03 22:20:36.8490.0210-0.011.592025-07-03 22:20:41.2710.1312-0.461.1139.2
ISOFR2025-07-03 22:20:38.3300.06110.500.222025-07-03 22:20:43.1500.1312-0.091.3243.8
GBOSGU2025-07-03 22:20:40.1390.03000.031.402025-07-03 22:20:46.8480.1782-0.471.0859.3
RRLGU2025-07-03 22:20:40.5990.03000.011.422025-07-03 22:20:47.5350.1912-0.531.0159.5
TURFFR--:---.-----.---.--2025-07-03 22:20:49.0800.3302-0.540.9464.2
OGAGFR--:---.-----.---.--2025-07-03 22:20:49.4190.2262-0.501.0365.2
MVIFFR--:---.-----.---.--2025-07-03 22:20:51.7500.2152-0.381.1371.8
MGROGU2025-07-03 22:20:42.1690.0511-0.321.182025-07-03 22:20:50.4000.2162-1.120.2971.8
ESCAFR--:---.-----.---.--2025-07-03 22:20:53.6300.2722-0.161.1179.3
ROROGU--:---.-----.---.--2025-07-03 22:20:53.1390.2452-0.331.1281.7
QLNOIV2025-07-03 22:20:45.8400.09910.280.602025-07-03 22:20:56.5200.2762-0.441.0292.1
PCPGU2025-07-03 22:20:47.7500.08710.550.252025-07-03 22:20:59.4920.3452-0.211.01104.8
BLANCGU2025-07-03 22:20:53.4190.0751-1.650.06--:---.-----.---.-- 150.1


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
PZZ GU0.802.64e-119.7261SI
STV GU0.602.62e-235.7167SI
BHB GU0.703.54e-239.03SI
ENR GU1.101.40e-139.2156SI
ISO FR0.501.83e-243.8202SI
GBOS GU1.102.11e-259.3123SI
RRL GU0.701.10e-259.5321SI
MGRO GU0.506.96e-371.8139SI
RORO GU0.901.17e-281.7124SI
QLNO IV0.908.95e-392.1104SI
PCP GU0.806.42e-3104.888SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)		 PGV
(m/s)		 PGD
(m)		 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 GUHHZ3.6801e-54.3190e-60.0000e+02.3621e-64.0674e-65.7318e-64.9582e-57.2106e-63.4032e-77.8393e-819.7261
PZZ GUHHN3.5811e-54.2452e-60.0000e+02.3468e-64.2584e-64.2584e-65.5252e-56.4243e-63.2730e-77.2541e-819.7261
PZZ GUHHE4.0436e-56.0962e-60.0000e+02.1047e-63.6254e-65.1424e-66.2730e-55.6521e-62.9637e-77.5918e-819.7261
STV GUHHZ5.5102e-65.8604e-70.0000e+02.8787e-75.0988e-77.1492e-77.3752e-66.0067e-74.7570e-81.0323e-835.7167
STV GUHHN5.0333e-66.2142e-70.0000e+02.4522e-74.7538e-74.7538e-77.3430e-66.8882e-74.6019e-81.0670e-835.7167
STV GUHHE5.9319e-66.6928e-70.0000e+02.7702e-75.1368e-77.3723e-78.9397e-65.7169e-75.4055e-81.0488e-835.7167
BHB GUHHZ6.8759e-66.8478e-70.0000e+03.4943e-76.5186e-79.4620e-71.1671e-58.5359e-76.2538e-81.2886e-839.03
BHB GUHHN8.0236e-66.6963e-70.0000e+03.6376e-76.4509e-76.4509e-78.7158e-61.1023e-65.6325e-81.3819e-839.03
BHB GUHHE8.8768e-68.1858e-70.0000e+04.0016e-77.5179e-71.0792e-61.2787e-51.0562e-69.2823e-81.7642e-839.03
ENR GUHHZ1.8864e-52.0668e-60.0000e+06.0000e-71.1326e-61.6670e-61.2984e-51.1197e-68.8206e-82.4011e-839.2156
ENR GUHHN4.1712e-54.1244e-60.0000e+01.2050e-62.4174e-62.4174e-63.2364e-52.0232e-62.0644e-75.2359e-839.2156
ENR GUHHE5.7881e-55.7623e-60.0000e+01.9618e-64.0954e-66.2262e-64.4032e-51.9459e-63.2732e-79.8211e-839.2156
ISO FRHHZ2.2738e-64.5151e-70.0000e+09.9811e-81.8298e-72.6251e-72.4001e-64.1047e-72.1051e-84.1566e-943.8202
ISO FRHHN3.0765e-64.2671e-70.0000e+01.0683e-71.8750e-71.8750e-71.9223e-63.7671e-71.9177e-83.7914e-943.8202
ISO FRHHE3.1443e-64.3590e-70.0000e+01.1684e-72.1002e-72.9742e-73.6342e-62.5700e-72.5901e-85.1358e-943.8202
GBOS GUHHZ1.9857e-63.3959e-70.0000e+01.8469e-73.4659e-75.1137e-74.9305e-69.1967e-73.9425e-88.5503e-959.3123
GBOS GUHHN1.4708e-62.0866e-70.0000e+01.9228e-73.5822e-73.5822e-73.6003e-69.0230e-71.8303e-71.0043e-859.3123
GBOS GUHHE2.1719e-63.4014e-70.0000e+02.1947e-73.9092e-75.5732e-75.5802e-64.8180e-73.6147e-86.5561e-959.3123
RRL GUHHZ1.1120e-61.4988e-70.0000e+08.4740e-81.6470e-72.4076e-72.0429e-63.7643e-74.0182e-83.6958e-959.5321
RRL GUHHN1.2020e-61.6106e-70.0000e+01.2061e-72.0591e-72.0591e-72.9495e-64.1475e-74.3115e-85.2728e-959.5321
RRL GUHHE1.0199e-61.6760e-70.0000e+01.1789e-72.1465e-72.9965e-73.3120e-63.6528e-74.1414e-85.2216e-959.5321
MGRO GUHHZ2.9599e-74.3480e-80.0000e+03.0580e-86.6164e-81.0424e-76.3318e-71.0463e-73.1553e-83.7137e-971.8139
MGRO GUHHN5.1717e-78.9188e-80.0000e+05.0300e-81.0257e-71.0257e-71.4289e-61.8078e-73.3080e-83.5441e-971.8139
MGRO GUHHE7.1204e-77.6130e-80.0000e+05.6669e-81.0497e-71.5132e-71.1909e-62.0472e-72.1553e-84.1188e-971.8139
RORO GUHHZ1.5257e-61.8979e-70.0000e+09.8674e-81.8660e-72.7149e-72.8263e-62.9099e-72.8841e-84.5276e-981.7124
RORO GUHHN1.2168e-62.0033e-70.0000e+01.5518e-72.5543e-72.5543e-73.2096e-63.1545e-72.6679e-84.9523e-981.7124
RORO GUHHE1.6851e-62.0896e-70.0000e+01.5882e-72.5939e-73.6408e-75.8944e-63.7417e-73.5805e-85.7123e-981.7124
QLNO IVHHZ6.8908e-78.0996e-80.0000e+05.9971e-81.1098e-71.5744e-71.7736e-61.5179e-74.1106e-83.5469e-992.1104
QLNO IVHHN1.5463e-61.5349e-70.0000e+01.0497e-71.8701e-71.8701e-73.0630e-63.7316e-72.9767e-85.5946e-992.1104
QLNO IVHHE1.3198e-61.5017e-70.0000e+09.7254e-81.6943e-72.3863e-72.8259e-62.8918e-74.0405e-83.1691e-992.1104
PCP GUHHZ6.2454e-79.3258e-80.0000e+06.3710e-81.2678e-71.8306e-71.7751e-62.0790e-74.2302e-83.5625e-9104.888
PCP GUHHN7.3838e-78.9138e-80.0000e+07.1644e-81.2452e-71.2452e-71.7875e-62.9400e-72.9074e-82.6805e-9104.888
PCP GUHHE1.0017e-61.4153e-70.0000e+08.4293e-81.5850e-72.2028e-72.7576e-62.6786e-73.0242e-82.8968e-9104.888
BLANCGUHHZ1.9391e-51.8559e-60.0000e+04.6091e-79.3201e-71.4017e-66.7979e-65.4663e-78.5126e-82.1984e-8150.1-1
BLANCGUHHN5.4572e-55.1284e-60.0000e+01.3774e-62.8495e-62.8495e-61.6899e-51.6694e-62.7506e-76.0020e-8150.1-1
BLANCGUHHE6.1249e-55.8669e-60.0000e+01.6063e-63.3839e-65.1429e-61.9236e-51.6939e-62.7089e-77.1610e-8150.1-1
*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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