MANUAL Location - Area: Alpi Marittime , magnitude (ML): 0.5
2025-11-19 23:18:59 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-11-20 08:01:35

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Earthquake info - Manual location
Event - ID :251119231834
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2025-11-19 23:18:59.671 (UTC)
Location : Latitude: 44.298 N, Longitude: 7.324 E
Area :Alpi Marittime
Depth (km) :17.96
Distances (km) : 3.0 --- Demonte
5.8 --- Moiola
6.1 --- Valloriate
6.1 --- Valdieri
7.9 --- Gaiola
8.5 --- Rittana
8.6 --- Aisone
8.6 --- Entracque
10.5 --- Roccasparvera
10.9 --- Roaschia
12.0 --- Vinadio
12.5 --- Monterosso Grana
12.6 --- Roccavione
13.3 --- Bernezzo
13.5 --- Valgrana
13.6 --- Borgo San Dalmazzo
13.6 --- Vignolo
14.1 --- Pradleves
14.9 --- Robilante
15.0 --- Cervasca

Quality location estimate: Erh: 1.2 km, Erz: 1 km, Nf: 38, Gap: 90 °, Rms: 0.40


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.
STVGU2025-11-19 23:19:03.3000.00900.021.942025-11-19 23:19:05.2000.0561-0.561.0019.8
VINDIV2025-11-19 23:19:03.7830.02000.051.722025-11-19 23:19:06.1350.0400-0.380.7721.6
ENRGU2025-11-19 23:19:03.6100.0100-0.061.762025-11-19 23:19:05.8600.0621-0.571.0121.9
ISOFR2025-11-19 23:19:05.8900.01600.500.002025-11-19 23:19:09.1700.0932-0.091.4231.5
PZZGU2025-11-19 23:19:06.0300.0211-0.071.712025-11-19 23:19:10.0570.2727-0.610.9534.5
SAOFFR2025-11-19 23:19:07.7200.02210.031.722025-11-19 23:19:12.3110.0400-1.020.6143.3
GBOSGU2025-11-19 23:19:07.7500.02310.021.742025-11-19 23:19:12.1970.4419-1.040.6645.6
MLIGIV2025-11-19 23:19:07.9910.0200-0.660.952025-11-19 23:19:13.6520.0400-1.400.3248.2
SURFFR2025-11-19 23:19:08.6500.02410.021.682025-11-19 23:19:14.0200.3397-1.000.6948.9
MVIFFR2025-11-19 23:19:08.9330.0200-0.081.592025-11-19 23:19:14.5800.1504-1.190.5150.0
MGROGU2025-11-19 23:19:08.6700.0261-0.450.902025-11-19 23:19:14.1770.0400-1.650.1951.8
ESCAFR2025-11-19 23:19:09.6650.0200-0.011.682025-11-19 23:19:15.7900.1002-0.980.6855.2
BIGNGU2025-11-19 23:19:10.1250.0200-0.320.802025-11-19 23:19:17.2900.1825-0.790.8460.9
BHBGU2025-11-19 23:19:09.5170.0200-0.620.992025-11-19 23:19:16.0600.2567-1.490.3362.8
ROROGU2025-11-19 23:19:11.0320.02000.041.492025-11-19 23:19:18.1770.1002-0.780.8565.2
IMIGU2025-11-19 23:19:10.7440.0200-0.270.872025-11-19 23:19:18.4310.1002-0.730.8965.3
QLNOIV2025-11-19 23:19:13.9780.02000.051.312025-11-19 23:19:23.4910.1002-0.700.9083.4
RRLGU2025-11-19 23:19:14.1300.0412-0.051.412025-11-19 23:19:22.9100.5979-1.550.3983.6
RSPGU2025-11-19 23:19:14.3920.0200-0.930.702025-11-19 23:19:24.1770.0400-2.340.0396.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
STV GUHH0.781.10e-119.8178
ISO FRHH0.262.08e-231.5240
PZZ GUHH0.333.45e-234.5325
SAOF FRHH0.056.84e-343.3152
GBOS GUHH0.711.44e-245.698
MGRO GUHH0.551.51e-251.8126
ESCA FRHH0.671.76e-255.2176
BIGN GUEH0.691.50e-260.9145
BHB GUHH0.416.70e-362.8355
RORO GUHH0.528.67e-365.2109
IMI GUHH1.023.69e-265.3133
QLNO IVHH0.626.41e-383.488
RRL GUHH0.432.75e-383.6329
RSP GUHH0.493.63e-396.6357


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.
(°)
STV GUHHZ8.7331e-68.1724e-73.3125e-78.4852e-84.8205e-89.3439e-61.2290e-68.8232e-81.8401e-819.8178
STV GUHHN1.7240e-52.2959e-65.2930e-71.8300e-71.1488e-72.9352e-51.9727e-61.8356e-73.4688e-819.8178
STV GUHHE2.9378e-52.7899e-66.1025e-72.0947e-71.3906e-73.0091e-52.2200e-62.8888e-76.3420e-819.8178
ENR GUHHZ6.2644e-57.1516e-69.5083e-73.3465e-72.1148e-77.6320e-53.6178e-64.4584e-71.3790e-721.9135
ENR GUHHN2.4783e-41.9854e-53.2021e-61.1240e-67.1341e-71.8324e-41.3855e-51.5338e-63.9914e-721.9135
ENR GUHHE2.3733e-42.3777e-52.7151e-68.1899e-74.8344e-72.3008e-41.2139e-51.2773e-63.3426e-721.9135
ISO FRHHZ3.9208e-64.1877e-71.2429e-74.1992e-82.0575e-83.4818e-66.3165e-73.4569e-87.6196e-931.5240
ISO FRHHN6.6328e-66.1384e-71.5319e-73.8191e-82.3685e-85.4616e-66.4872e-74.7225e-81.1483e-831.5240
ISO FRHHE5.4566e-65.3778e-71.2292e-73.9401e-82.3818e-86.9390e-65.2744e-74.9947e-81.0464e-831.5240
PZZ GUHHZ5.9719e-67.8232e-73.3977e-78.7086e-84.1765e-81.2899e-51.3787e-67.1161e-81.6521e-834.5325
PZZ GUHHN4.8595e-66.6628e-73.3559e-79.4177e-83.8667e-88.7057e-61.4832e-65.6312e-81.2899e-834.5325
PZZ GUHHE4.7879e-66.8777e-73.4048e-71.1191e-75.3505e-81.1072e-51.3510e-67.5440e-81.2688e-834.5325
SAOF FRHHZ6.5044e-79.3063e-86.4258e-82.4709e-81.7096e-88.3210e-73.7834e-72.1157e-82.9254e-943.3152
SAOF FRHHN8.5136e-78.4674e-84.4071e-83.1630e-82.1203e-81.2792e-62.5197e-72.4811e-82.5759e-943.3152
SAOF FRHHE6.9704e-79.8643e-85.7015e-84.2380e-82.7559e-81.7772e-62.4689e-73.5321e-82.8538e-943.3152
GBOS GUHHZ1.4310e-61.9859e-78.0611e-83.5900e-81.6810e-82.4009e-62.9665e-72.5207e-84.7754e-945.698
GBOS GUHHN1.2669e-61.9918e-71.1349e-74.5224e-82.4303e-84.5441e-65.0728e-74.1011e-85.0976e-945.698
GBOS GUHHE1.2926e-62.5124e-71.1749e-74.4491e-82.3941e-82.9579e-65.1352e-73.7217e-86.0064e-945.698
MGRO GUHHZ9.5001e-71.1975e-77.5898e-84.1155e-82.2851e-81.8298e-62.5413e-73.0164e-84.0941e-951.8126
MGRO GUHHN2.1603e-62.6584e-71.0873e-73.9966e-82.8490e-84.8226e-63.4199e-74.0014e-86.5340e-951.8126
MGRO GUHHE1.5237e-62.7057e-71.0828e-75.7565e-87.2494e-85.6802e-63.9353e-71.0199e-71.2079e-851.8126
ESCA FRHHZ9.4487e-72.0890e-71.1770e-73.4648e-82.3726e-81.8160e-66.5783e-73.3869e-85.1192e-955.2176
ESCA FRHHN2.2788e-62.9613e-71.3844e-74.4323e-82.8569e-83.7818e-65.8481e-74.0992e-87.8035e-955.2176
ESCA FRHHE1.7513e-62.9280e-71.7628e-74.4128e-82.4238e-84.7014e-69.8194e-73.6326e-86.8889e-955.2176
BIGN GUEHZ8.1038e-71.0914e-75.2532e-84.0060e-83.7136e-81.2029e-61.7268e-76.0738e-82.9309e-960.9145
BIGN GUEHN2.1375e-62.5346e-71.1381e-76.2167e-84.3966e-83.1828e-65.5816e-76.6730e-86.0835e-960.9145
BIGN GUEHE3.2106e-63.3768e-71.0822e-75.1058e-84.3936e-84.3183e-64.0632e-75.7841e-89.4204e-960.9145
BHB GUHHZ1.1864e-61.2935e-75.0496e-82.1018e-81.7476e-82.5788e-61.5399e-73.9105e-83.1754e-962.8355
BHB GUHHN1.0436e-61.2246e-74.9316e-81.6658e-81.4793e-81.9441e-61.4053e-73.0174e-82.6797e-962.8355
BHB GUHHE1.0530e-61.1714e-75.3104e-82.7137e-81.9896e-81.5043e-61.6165e-74.4697e-82.9235e-962.8355
RORO GUHHZ9.5757e-71.2058e-74.8622e-82.1727e-81.6882e-81.4092e-62.2771e-72.3325e-82.6186e-965.2109
RORO GUHHN9.3162e-71.2190e-77.9355e-82.1886e-81.4844e-81.5568e-64.9186e-71.8290e-82.8139e-965.2109
RORO GUHHE8.5473e-79.8301e-85.1050e-82.1916e-82.1296e-81.4022e-62.0950e-73.3504e-82.3384e-965.2109
IMI GUHHZ1.8526e-62.5868e-71.0199e-75.7746e-83.4497e-84.9700e-64.0213e-74.3680e-85.2351e-965.3133
IMI GUHHN8.8028e-61.0418e-62.4926e-79.5089e-86.1276e-81.1224e-56.8002e-71.0949e-71.8868e-865.3133
IMI GUHHE3.3635e-64.1250e-71.4756e-75.6340e-84.0591e-85.2761e-64.1313e-74.1696e-88.8335e-965.3133
QLNO IVHHZ3.8416e-75.7063e-83.4186e-82.2595e-81.9133e-88.7797e-72.5660e-72.7549e-81.7255e-983.488
QLNO IVHHN1.1344e-61.0097e-74.3952e-82.7828e-82.3591e-82.3897e-61.8263e-72.9059e-82.8891e-983.488
QLNO IVHHE7.5476e-79.5973e-85.3007e-83.0975e-82.0683e-81.8730e-62.7982e-72.5371e-82.3012e-983.488
RRL GUHHZ1.5458e-72.0957e-81.1826e-89.7997e-99.2467e-93.7158e-77.2862e-81.2608e-87.7282e-1083.6329
RRL GUHHN1.5719e-73.3590e-82.1384e-81.1551e-89.5474e-96.0701e-71.0539e-71.4914e-88.9454e-1083.6329
RRL GUHHE1.7329e-72.4802e-81.8116e-81.0628e-81.0002e-86.2388e-71.0285e-71.5054e-89.0557e-1083.6329
RSP GUHHZ2.7329e-73.7358e-81.8042e-81.4321e-88.5445e-95.6392e-77.7042e-81.4796e-81.2584e-996.6357
RSP GUHHN2.9463e-74.2241e-82.8376e-81.6891e-87.4482e-97.0309e-79.2407e-88.9812e-91.3684e-996.6357
RSP GUHHE3.5481e-74.9742e-83.2456e-81.7184e-81.0471e-89.6391e-71.4893e-71.5805e-81.2687e-996.6357
*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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