MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.4
2025-02-10 18:52:46 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-02-11 09:14:13

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Earthquake info - Manual location
Event - ID :250210185223
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2025-02-10 18:52:46.852 (UTC)
Location : Latitude: 44.581 N, Longitude: 6.688 E
Area :Alpi Cozie
Depth (km) :5.40
Distances (km) : 26.0 --- Bellino
26.6 --- Acceglio
27.3 --- Pontechianale
28.4 --- Argentera
30.2 --- Casteldelfino
30.9 --- Prazzo
32.1 --- Elva
34.1 --- Canosio
34.8 --- Marmora
35.7 --- Stroppo
37.9 --- Pietraporzio
39.4 --- Crissolo
39.7 --- Sampeyre
39.8 --- Macra
40.3 --- Claviere
40.4 --- Celle di Macra
40.7 --- Sambuco
41.1 --- Oncino
41.5 --- Ostana
42.2 --- Cesana Torinese

Quality location estimate: Erh: 1.1 km, Erz: 1.3 km, Nf: 28, Gap: 186 °, Rms: 0.21


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.
SURFFR2025-02-10 18:52:50.6000.00800.231.302025-02-10 18:52:52.9690.0501-0.021.4815.8
OGAGFR2025-02-10 18:52:52.2100.0120-0.071.312025-02-10 18:52:55.6500.0762-0.450.4226.7
PZZGU2025-02-10 18:52:53.8900.0221-0.011.522025-02-10 18:52:59.0600.10830.071.4435.5
RRLGU2025-02-10 18:52:54.7400.01900.061.572025-02-10 18:53:00.4200.12530.211.2839.4
ISOFR2025-02-10 18:52:56.9460.02000.201.402025-02-10 18:53:03.0300.3167-0.490.5753.0
BHBGU2025-02-10 18:52:57.2300.03110.231.312025-02-10 18:53:03.5700.1635-0.620.3553.8
STVGU2025-02-10 18:52:58.3190.02000.091.542025-02-10 18:53:05.9630.1002-0.180.9863.2
OGMOFR2025-02-10 18:52:59.9870.02000.211.342025-02-10 18:53:08.7600.2086-0.220.9069.9
ENRGU2025-02-10 18:52:59.8990.02000.490.482025-02-10 18:53:09.4170.04001.250.0270.2
RSPGU2025-02-10 18:53:01.4910.02000.440.672025-02-10 18:53:10.9560.0400-0.131.0678.0
TURFFR2025-02-10 18:53:03.1410.04420.390.812025-02-10 18:53:13.7800.2667-0.160.9187.7
SAOFFR2025-02-10 18:53:04.0880.0200-0.011.352025-02-10 18:53:15.3640.0400-0.750.2795.6
GBOSGU2025-02-10 18:53:04.1880.02000.021.382025-02-10 18:53:16.8640.04000.660.4099.1
LSDGU2025-02-10 18:53:05.5460.02000.091.382025-02-10 18:53:17.9990.1002-0.480.56104.1


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH0.242.67e-226.7333
PZZ GUHH0.535.24e-235.5103
RRL GUHH0.299.77e-339.412
ISO FRHH0.125.37e-353.0147
BHB GUHH0.439.56e-353.858
STV GUHH0.445.20e-363.2126
ENR GUHH0.902.43e-270.2124
RSP GUHH0.162.74e-378.036
TURF FRHH0.595.33e-387.7140
SAOF FRHH0.584.21e-395.6133
LSD GUHH0.613.71e-3104.120


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.
(°)
OGAG FRHHZ1.7552e-63.8936e-72.1240e-78.8897e-83.6452e-83.4507e-69.1865e-75.3967e-89.7346e-926.7333
OGAG FRHHN1.5892e-62.5629e-71.9224e-77.2829e-82.9661e-85.9686e-68.8203e-74.4661e-87.0685e-926.7333
OGAG FRHHE1.4486e-63.1462e-72.4361e-79.3845e-84.8313e-84.0372e-61.3461e-65.2609e-87.3536e-926.7333
PZZ GUHHZ3.2046e-65.0176e-72.7800e-76.2514e-83.3251e-81.0462e-51.0544e-65.2074e-81.0272e-835.5103
PZZ GUHHN4.0942e-67.9235e-74.4829e-71.2450e-77.2411e-81.2250e-51.7264e-61.2567e-72.2044e-835.5103
PZZ GUHHE3.9635e-66.4694e-73.5979e-71.0052e-74.4665e-81.0127e-51.5352e-67.3863e-81.6774e-835.5103
RRL GUHHZ8.3991e-71.1571e-77.1748e-83.7223e-81.4602e-82.3556e-64.5412e-72.1031e-83.2263e-939.412
RRL GUHHN9.6310e-71.5443e-71.0792e-73.0020e-81.3330e-82.9187e-65.3416e-72.0425e-83.5748e-939.412
RRL GUHHE1.0112e-61.2899e-78.3942e-84.2481e-81.6112e-82.8399e-63.9145e-71.9676e-83.3619e-939.412
ISO FRHHZ1.0995e-61.4394e-74.8830e-81.1183e-86.6356e-91.4470e-61.3963e-71.2949e-82.6447e-953.0147
ISO FRHHN1.1331e-61.1047e-73.9648e-81.2663e-87.3879e-92.1629e-61.3643e-71.1262e-82.3120e-953.0147
ISO FRHHE1.2447e-61.5738e-74.3377e-81.6031e-86.5656e-92.0316e-61.4695e-71.1335e-82.7608e-953.0147
BHB GUHHZ1.3678e-62.1230e-71.0548e-73.0786e-81.1543e-84.6382e-64.3609e-71.8623e-84.5090e-953.858
BHB GUHHN1.2009e-61.4879e-79.2035e-82.7789e-81.2135e-82.7302e-64.3560e-71.8478e-83.8920e-953.858
BHB GUHHE1.0387e-61.3671e-77.9957e-83.1801e-81.2285e-82.7679e-63.1833e-71.7817e-83.0402e-953.858
STV GUHHZ8.7209e-79.8425e-85.4015e-81.8588e-88.6134e-91.6489e-62.4592e-71.4493e-82.1584e-963.2126
STV GUHHN8.6054e-71.0731e-74.8464e-81.6222e-88.6702e-91.7980e-61.6367e-71.3102e-82.7372e-963.2126
STV GUHHE8.5481e-71.2082e-74.5219e-81.4596e-87.2055e-91.4921e-61.5426e-79.3202e-92.4607e-963.2126
ENR GUHHZ2.9711e-62.4290e-78.4397e-82.5046e-81.2767e-83.5316e-62.9616e-72.1899e-85.2635e-970.2124
ENR GUHHN8.4512e-67.4092e-71.2483e-73.9186e-82.1882e-86.8431e-64.6267e-74.8589e-81.3766e-870.2124
ENR GUHHE1.0415e-59.4467e-71.4795e-74.1086e-82.4135e-87.3827e-65.5425e-76.1178e-81.7182e-870.2124
RSP GUHHZ3.0544e-73.4573e-81.8467e-89.6081e-93.7375e-95.4629e-78.7024e-85.3763e-98.0398e-1078.036
RSP GUHHN3.1927e-74.4984e-82.3322e-88.0274e-93.5031e-97.4374e-77.4622e-85.1726e-99.0030e-1078.036
RSP GUHHE3.4773e-75.0792e-82.5049e-88.1812e-94.2952e-91.1157e-68.2932e-86.6074e-91.0604e-978.036
TURF FRHHZ3.9045e-74.3127e-82.9858e-81.3492e-87.5135e-95.8900e-71.1770e-71.0768e-81.1567e-987.7140
TURF FRHHN4.6682e-78.2655e-84.6082e-81.6096e-88.7028e-91.4202e-61.6160e-71.3343e-81.8454e-987.7140
TURF FRHHE2.9897e-75.3974e-84.2155e-82.8095e-81.3317e-81.1960e-61.5780e-71.9500e-82.0901e-987.7140
SAOF FRHHZ2.0816e-74.7416e-83.9197e-81.5696e-88.7158e-94.9688e-73.4809e-71.2328e-81.6492e-995.6133
SAOF FRHHN2.1653e-73.1721e-82.8920e-81.2589e-81.0024e-83.4161e-72.3489e-71.3616e-87.9176e-1095.6133
SAOF FRHHE1.9458e-73.4050e-83.2675e-81.3929e-89.2985e-95.6154e-72.3882e-71.2621e-81.1344e-995.6133
GBOS GUHHZ3.0974e-74.8904e-83.1954e-81.4211e-81.2997e-81.3270e-61.3990e-71.9177e-82.4862e-999.1112
GBOS GUHHN3.8102e-78.6601e-85.6768e-83.2320e-81.5985e-89.3170e-73.7589e-72.2586e-82.1750e-999.1112
GBOS GUHHE3.3129e-75.9006e-83.7892e-81.3542e-86.1411e-91.1941e-63.0379e-79.3795e-91.2492e-999.1112
LSD GUHHZ2.0188e-73.0698e-83.2478e-81.1177e-84.4787e-97.4445e-71.7693e-76.2152e-99.6470e-10104.120
LSD GUHHN2.5071e-74.1207e-83.3074e-81.4066e-85.0668e-96.1097e-71.7150e-76.5040e-91.0561e-9104.120
LSD GUHHE3.0449e-75.2352e-84.0410e-81.2717e-87.0728e-99.9947e-72.7986e-79.6970e-91.1449e-9104.120
*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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