AUTOMATIC Location - Area: Alpi Cozie , magnitude (ML): 0.9
2025-05-16 00:44:38 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-16 00:48:57

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Earthquake info - RsniPicker2 automatic location
Event - ID :250516004414
Magnitude (ML) :0.9 +/- 0.5
Origin Time :2025-05-16 00:44:38.139 (UTC)
Location : Latitude: 44.543 N, Longitude: 6.807 E
Area :Alpi Cozie
Depth (km) :6.13
Distances (km) : 16.3 --- Acceglio (CN)
17.2 --- Bellino (CN)
19.2 --- Argentera (CN)
19.7 --- Pontechianale (CN)
20.7 --- Prazzo (CN)
21.5 --- Casteldelfino (CN)
22.4 --- Elva (CN)
23.9 --- Canosio (CN)
24.6 --- Marmora (CN)
25.7 --- Stroppo (CN)
28.4 --- Pietraporzio (CN)
29.9 --- Macra (CN)
30.3 --- Celle di Macra (CN)
30.7 --- Sampeyre (CN)
31.1 --- Sambuco (CN)
32.8 --- Crissolo (CN)
33.9 --- Oncino (CN)
34.6 --- Ostana (CN)
35.4 --- Castelmagno (CN)
36.1 --- San Damiano Macra (CN)

Quality location estimate:
Erh: 1.3 km, Erz: 1.4 km, Nf: 11, Gap: 182°, Rms: 0.143 s
Stazioni validate: 7


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.
SURFFR2025-05-16 00:44:40.3800.00500.001.892025-05-16 00:44:41.6300.0280-0.430.419.2
PZZGU2025-05-16 00:44:43.4590.01400.011.862025-05-16 00:44:46.6800.0771-0.610.2825.5
RRLGU2025-05-16 00:44:46.2990.0220-0.031.672025-05-16 00:44:52.0980.1282-0.031.2242.5
ISOFR--:---.-----.---.--2025-05-16 00:44:52.2990.1342-0.011.1944.8
ENRGU--:---.-----.---.--2025-05-16 00:44:54.7590.1802-1.630.0060.1
MVIFFR--:---.-----.---.--2025-05-16 00:45:02.4900.2362-0.180.9077.2
GBOSGU--:---.-----.---.--2025-05-16 00:45:04.4700.26720.050.8388.8
ROROGU--:---.-----.---.--2025-05-16 00:45:10.8000.33420.000.75111.2


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth Used
PZZ GU0.801.90e-125.599SI
RRL GU0.802.49e-242.5358SI
ISO FR0.209.39e-344.8154SI
GBOS GU1.703.05e-288.8112SI
RORO GU1.109.18e-3111.2115SI


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 GUHHZ5.4849e-61.4164e-60.0000e+01.2966e-62.0928e-62.8069e-61.9039e-56.4768e-62.2300e-73.2473e-825.599
PZZ GUHHN1.2385e-52.0206e-60.0000e+01.6798e-62.8058e-62.8058e-62.7343e-58.7135e-63.5338e-77.3737e-825.599
PZZ GUHHE1.3472e-52.5291e-60.0000e+02.1391e-63.4373e-64.6816e-62.6232e-59.2790e-63.5561e-75.9887e-825.599
RRL GUHHZ4.7370e-71.1981e-70.0000e+09.0983e-81.5664e-72.1575e-79.9891e-75.2318e-76.3393e-86.1123e-942.5358
RRL GUHHN6.7152e-71.9857e-70.0000e+01.8817e-73.1539e-73.1539e-72.3282e-61.2088e-65.1978e-87.5609e-942.5358
RRL GUHHE5.9079e-71.7075e-70.0000e+01.1712e-72.3707e-73.2682e-71.6894e-65.3153e-77.1812e-86.7654e-942.5358
ISO FRHHZ7.5673e-71.3460e-70.0000e+01.0167e-71.7534e-72.3546e-71.8617e-63.4431e-75.0660e-84.5592e-944.8154
ISO FRHHN6.4836e-71.0300e-70.0000e+08.2280e-81.4727e-71.4727e-72.2005e-63.0198e-75.0421e-84.3021e-944.8154
ISO FRHHE6.4720e-71.1180e-70.0000e+08.8788e-81.5247e-72.0951e-71.0244e-65.2991e-75.2766e-85.0472e-944.8154
ENR GUHHZ6.8783e-66.4580e-70.0000e+02.5354e-75.6565e-78.4301e-74.1531e-65.4032e-71.2440e-71.2017e-860.1-1
ENR GUHHN8.6357e-57.6454e-60.0000e+02.8047e-66.0832e-66.0832e-63.3479e-53.9055e-64.8323e-71.3946e-760.1-1
ENR GUHHE4.3684e-53.9477e-60.0000e+01.4136e-63.0512e-64.6700e-62.0270e-51.8247e-62.5594e-77.2214e-860.1-1
GBOS GUHHZ4.8518e-71.6285e-70.0000e+01.0523e-71.9673e-72.7410e-71.3483e-64.6735e-76.1783e-85.3769e-988.8112
GBOS GUHHN2.2300e-63.9672e-70.0000e+02.0725e-73.8373e-73.8373e-72.4108e-61.2178e-61.0534e-71.3594e-888.8112
GBOS GUHHE4.7084e-72.1391e-70.0000e+01.2660e-72.0334e-72.6833e-71.0223e-67.7080e-75.4793e-84.9469e-988.8112
RORO GUHHZ2.0566e-77.2326e-80.0000e+05.4393e-81.1592e-72.0009e-75.0813e-72.3714e-77.7417e-86.8652e-9111.2115
RORO GUHHN2.7496e-78.6269e-80.0000e+08.2051e-81.4003e-71.4003e-75.5754e-74.8396e-75.9297e-86.5181e-9111.2115
RORO GUHHE3.2237e-79.4723e-80.0000e+07.0701e-81.1437e-71.7494e-76.0823e-74.6570e-74.0637e-86.2423e-9111.2115
*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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