MANUAL Location - Area: Langhe , magnitude (ML): 0.9
2025-03-06 08:34:38 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-03-06 09:02:43

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Earthquake info - Manual location
Event - ID :250306083419
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2025-03-06 08:34:38.569 (UTC)
Location : Latitude: 44.576 N, Longitude: 8.180 E
Area :Langhe
Depth (km) :13.70
Distances (km) : 0.9 --- Cortemilia
2.5 --- Torre Bormida
3.1 --- Bergolo
3.7 --- Perletto
4.0 --- Bosia
4.2 --- Pezzolo Valle Uzzone
4.3 --- Cravanzana
4.6 --- Levice
4.8 --- Castino
5.3 --- Olmo Gentile
5.6 --- Arguello
6.3 --- San Giorgio Scarampi
6.3 --- Borgomale
6.5 --- Cerreto Langhe
6.7 --- Serole
6.8 --- Rocchetta Belbo
7.0 --- Feisoglio
7.4 --- Lequio Berria
7.5 --- Roccaverano
7.5 --- Vesime

Quality location estimate: Erh: 1.2 km, Erz: 3.6 km, Nf: 20, Gap: 166 °, Rms: 0.24


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.
PCPGU2025-03-06 08:34:44.4930.06020.061.442025-03-06 08:34:48.4780.0400-0.061.4832.5
GBOSGU2025-03-06 08:34:47.2790.02000.111.262025-03-06 08:34:52.8770.0400-0.081.3848.2
ROROGU2025-03-06 08:34:48.1650.04010.350.572025-03-06 08:34:54.8290.04000.540.4554.2
MGROGU2025-03-06 08:34:50.4730.0200-0.240.962025-03-06 08:34:58.9740.0400-0.260.9168.1
ENRGU2025-03-06 08:34:52.3680.02000.930.262025-03-06 08:35:00.4680.20050.071.0973.3
STVGU2025-03-06 08:34:52.3380.08030.061.342025-03-06 08:35:01.7110.0400-0.141.1278.5
IMIGU2025-03-06 08:34:52.0820.0200-0.051.442025-03-06 08:35:02.5700.04000.680.4478.8
BHBGU2025-03-06 08:34:51.9760.0200-0.131.322025-03-06 08:35:01.7650.04000.161.0979.3
PZZGU2025-03-06 08:34:53.2070.0200-0.101.362025-03-06 08:35:03.8450.04000.041.1786.0
TURFFR2025-03-06 08:34:55.8190.02000.880.302025-03-06 08:35:06.8770.04000.520.6292.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PCP GUHH0.473.48e-232.598
GBOS GUHH0.751.41e-248.2216
RORO GUHH0.822.58e-254.2190
MGRO GUHH0.791.49e-268.1207
ENR GUHH1.396.85e-273.3238
STV GUHH1.021.25e-278.5242
IMI GUHH1.022.45e-278.8197
BHB GUHH0.931.33e-279.3292
PZZ GUHH0.761.39e-286.0265
TURF FRHH0.817.64e-392.7223


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.
(°)
PCP GUHHZ4.8754e-65.5671e-72.1988e-76.9371e-83.4802e-85.4699e-61.0543e-64.8985e-89.8696e-932.598
PCP GUHHN4.6826e-65.8370e-72.2121e-77.4307e-83.1937e-81.1696e-59.5843e-75.6700e-81.2886e-832.598
PCP GUHHE5.6350e-66.4272e-72.6151e-77.8885e-84.1787e-88.9275e-61.2964e-67.5002e-81.4661e-832.598
GBOS GUHHZ1.3310e-61.6375e-79.5332e-83.5053e-81.9257e-83.7400e-64.1409e-73.1498e-84.4276e-948.2216
GBOS GUHHN2.5485e-62.8715e-71.2323e-75.2929e-82.3494e-83.8413e-64.1577e-73.0828e-86.4362e-948.2216
GBOS GUHHE1.8969e-62.9587e-71.4319e-74.1180e-82.0041e-84.8078e-65.8762e-72.8793e-86.1975e-948.2216
RORO GUHHZ3.3114e-64.1616e-71.7178e-74.5854e-82.8403e-86.0919e-68.5638e-75.3115e-81.0113e-854.2190
RORO GUHHN2.5025e-63.8824e-72.0672e-74.9328e-82.8737e-85.5694e-67.1440e-74.5395e-88.9265e-954.2190
RORO GUHHE4.8179e-66.7748e-72.5210e-76.6273e-85.2247e-81.0990e-58.9403e-79.9435e-81.2573e-854.2190
MGRO GUHHZ6.3297e-71.0509e-79.0698e-84.2730e-82.0542e-81.6912e-64.8292e-72.5448e-83.0484e-968.1207
MGRO GUHHN8.7424e-71.9485e-71.3237e-74.9916e-82.9221e-83.3978e-66.3228e-74.3744e-84.8728e-968.1207
MGRO GUHHE1.2322e-62.1704e-71.2764e-74.9984e-82.8364e-84.2104e-63.8617e-73.5729e-85.7256e-968.1207
ENR GUHHZ5.0077e-64.9859e-72.1307e-75.8591e-83.0243e-87.3870e-66.5246e-75.7537e-81.1000e-873.3238
ENR GUHHN1.9658e-52.0712e-65.2022e-71.2009e-71.1425e-73.4206e-51.9616e-61.9377e-75.0215e-873.3238
ENR GUHHE2.6519e-52.3445e-63.8199e-79.9658e-85.4845e-81.4840e-51.2842e-61.2829e-73.8418e-873.3238
STV GUHHZ1.0759e-61.3272e-77.1437e-82.2454e-81.3816e-82.7037e-62.9888e-71.9706e-83.0605e-978.5242
STV GUHHN2.0571e-62.4723e-78.4796e-82.4451e-81.5875e-84.6401e-63.3961e-73.0437e-86.2556e-978.5242
STV GUHHE1.6600e-62.2525e-71.0899e-73.0294e-81.5570e-83.4157e-64.4233e-72.3697e-85.1719e-978.5242
IMI GUHHZ6.5628e-71.3479e-79.9171e-86.3947e-83.2190e-81.8370e-67.6696e-73.6106e-83.4273e-978.8197
IMI GUHHN1.4789e-62.3163e-71.9304e-71.1809e-71.2948e-73.7520e-61.4032e-62.3479e-71.3732e-878.8197
IMI GUHHE9.4434e-72.2509e-71.3412e-76.9840e-83.2727e-82.2758e-66.2736e-74.5181e-85.6198e-978.8197
BHB GUHHZ9.7322e-71.3427e-78.6966e-84.2945e-83.5743e-83.4233e-64.0443e-77.0880e-83.8786e-979.3292
BHB GUHHN1.1636e-62.2726e-71.2443e-73.8446e-82.3998e-83.4668e-66.1289e-74.2741e-84.1340e-979.3292
BHB GUHHE1.2788e-61.9709e-71.3200e-75.3984e-82.8081e-83.7345e-65.2966e-74.8887e-84.7996e-979.3292
PZZ GUHHZ9.7918e-71.6629e-71.1951e-74.0382e-81.9199e-82.6585e-66.4737e-72.6047e-83.6820e-986.0265
PZZ GUHHN8.4015e-71.9167e-71.2997e-74.9813e-83.2259e-82.4773e-65.3306e-75.9905e-85.1497e-986.0265
PZZ GUHHE8.5770e-71.5908e-71.2815e-75.5458e-82.5798e-82.1764e-68.2451e-73.2258e-84.7701e-986.0265
TURF FRHHZ2.7388e-74.4249e-84.7181e-83.0916e-81.9111e-86.7922e-72.5408e-73.3574e-81.7008e-992.7223
TURF FRHHN5.2498e-78.3108e-87.4023e-82.8097e-82.1472e-81.4086e-64.0236e-73.1819e-82.6579e-992.7223
TURF FRHHE4.6310e-77.3376e-85.8099e-83.6226e-82.8168e-81.5978e-62.4072e-73.7335e-82.1929e-992.7223
*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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