MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.7
2025-03-04 20:42:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-03-05 08:32:14

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Earthquake info - Manual location
Event - ID :250304204058
Magnitude (ML) :0.7 +/- 0.2
Origin Time :2025-03-04 20:42:34.4 (UTC)
Location : Latitude: 44.501 N, Longitude: 7.111 E
Area :Alpi Cozie
Depth (km) :4.88
Distances (km) : 1.4 --- Stroppo
4.7 --- Elva
4.8 --- Prazzo
4.8 --- Marmora
5.4 --- Macra
5.4 --- Canosio
5.8 --- Celle di Macra
10.0 --- Acceglio
10.5 --- Casteldelfino
10.7 --- Sampeyre
11.5 --- San Damiano Macra
11.6 --- Bellino
12.9 --- Castelmagno
14.2 --- Cartignano
15.1 --- Pontechianale
15.2 --- Frassino
16.2 --- Pradleves
17.9 --- Melle
18.0 --- Argentera
18.2 --- Sambuco

Quality location estimate: Erh: 0.7 km, Erz: 0.7 km, Nf: 38, Gap: 82 °, Rms: 0.23


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.
PZZGU2025-03-04 20:42:36.3400.00500.380.712025-03-04 20:42:37.0900.0200-0.011.626.4
VINDIV2025-03-04 20:42:38.7510.0200-0.210.932025-03-04 20:42:41.6610.0400-0.510.5322.4
SURFFR2025-03-04 20:42:39.4000.01300.001.642025-03-04 20:42:42.5820.3217-0.520.6524.2
STVGU2025-03-04 20:42:40.7100.0180-0.021.582025-03-04 20:42:44.8400.1053-0.270.9733.7
ISOFR2025-03-04 20:42:41.7500.01900.550.252025-03-04 20:42:46.0170.10020.171.1936.1
ENRGU2025-03-04 20:42:42.0460.02000.410.672025-03-04 20:42:46.5940.1213-0.061.3239.3
BHBGU2025-03-04 20:42:41.8160.02000.031.572025-03-04 20:42:46.8450.1143-0.031.3539.4
RRLGU2025-03-04 20:42:44.0200.0271-0.420.672025-03-04 20:42:50.5070.6739-1.010.3353.6
OGAGFR2025-03-04 20:42:44.5220.0200-0.201.062025-03-04 20:42:52.2010.04000.101.2855.6
TURFFR2025-03-04 20:42:46.3050.02000.241.042025-03-04 20:42:54.3100.1935-0.001.1762.8
GBOSGU2025-03-04 20:42:46.0800.02000.111.352025-03-04 20:42:53.8100.2657-0.111.0665.0
SAOFFR2025-03-04 20:42:46.9400.02000.131.282025-03-04 20:42:55.0450.0400-0.430.7367.4
MVIFFR2025-03-04 20:42:46.9900.02000.091.372025-03-04 20:42:55.3060.0400-0.570.5367.5
RSPGU2025-03-04 20:42:47.7330.02000.390.732025-03-04 20:42:56.3370.0400-0.071.2373.2
MGROGU2025-03-04 20:42:47.9500.0200-0.141.252025-03-04 20:42:57.0030.0400-0.730.3575.7
ESCAFR2025-03-04 20:42:48.9350.02000.340.832025-03-04 20:42:58.2340.2547-0.310.8877.6
ROROGU2025-03-04 20:42:49.7380.1205-0.021.312025-03-04 20:43:00.2150.2777-0.140.9887.6
IMIGU2025-03-04 20:42:50.3570.02000.081.332025-03-04 20:43:00.7190.6629-0.740.4690.7
LSDGU2025-03-04 20:42:52.9920.02000.201.132025-03-04 20:43:05.1440.0400-0.510.65106.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.862.49e+06.433
STV GUHH0.492.07e-233.7149
BHB GUHH0.743.71e-239.418
RRL GUHH0.671.27e-253.6332
OGAG FRHH0.276.86e-355.6305
TURF FRHH0.631.21e-262.8159
GBOS GUHH1.151.90e-265.0116
SAOF FRHH0.621.02e-267.4148
RSP GUHH0.405.51e-373.210
MGRO GUHH0.648.27e-375.7132
ESCA FRHH0.791.12e-277.6164
RORO GUHH0.901.09e-287.6119
IMI GUHH0.911.37e-290.7136


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.
(°)
PZZ GUHHZ3.3729e-44.2868e-51.6939e-54.4479e-62.4135e-64.5873e-48.0676e-54.4970e-61.0033e-66.433
PZZ GUHHN5.1299e-45.0143e-51.3388e-55.1315e-63.4081e-65.9269e-44.9439e-56.3323e-61.2210e-66.433
PZZ GUHHE4.7660e-45.9182e-52.1722e-55.6260e-62.9724e-67.0725e-48.8610e-55.2163e-61.0886e-66.433
STV GUHHZ5.8531e-64.7909e-71.7013e-74.4523e-82.5313e-85.8554e-68.4376e-75.2632e-81.2221e-833.7149
STV GUHHN6.9781e-65.5263e-71.5690e-74.6765e-82.4921e-87.9455e-66.7403e-75.4186e-81.1115e-833.7149
STV GUHHE5.1164e-65.1403e-71.5607e-74.1253e-82.3786e-88.5286e-65.4011e-74.5146e-81.1114e-833.7149
ISO FRHHZ2.8676e-63.4463e-71.1034e-74.1286e-81.9822e-82.6578e-66.1704e-72.8535e-87.5856e-936.1188
ISO FRHHN2.8361e-63.2684e-79.7404e-83.5221e-81.8599e-82.6317e-64.9649e-73.0794e-85.8997e-936.1188
ISO FRHHE3.1182e-62.7920e-78.9490e-83.1125e-81.7379e-83.4767e-64.7175e-73.1726e-86.2541e-936.1188
ENR GUHHZ1.9501e-52.0332e-63.8965e-71.2559e-76.7052e-82.7227e-51.7223e-61.3119e-73.8741e-839.3141
ENR GUHHN5.2514e-54.4814e-66.1291e-71.6267e-71.1023e-74.2921e-52.6357e-63.0254e-78.3931e-839.3141
ENR GUHHE8.0042e-57.0807e-68.1820e-72.5112e-71.6645e-73.2436e-53.3888e-64.5328e-71.2849e-739.3141
BHB GUHHZ4.1929e-67.1418e-73.1880e-78.8559e-85.1355e-81.0892e-51.1175e-61.0130e-71.6764e-839.418
BHB GUHHN3.2481e-64.9678e-73.5642e-79.6652e-85.1301e-86.6362e-61.7354e-67.7999e-81.0639e-839.418
BHB GUHHE4.1405e-65.9723e-73.3148e-71.1765e-75.1479e-86.1964e-61.2263e-67.5329e-81.2499e-839.418
RRL GUHHZ8.0337e-71.0653e-76.7492e-82.9335e-81.2593e-82.0312e-63.7012e-71.9003e-82.5335e-953.6332
RRL GUHHN1.3119e-62.5286e-71.1541e-73.3994e-81.8904e-84.1118e-63.8666e-73.2114e-84.8203e-953.6332
RRL GUHHE1.0189e-61.9391e-71.3390e-74.0506e-82.0130e-83.3406e-67.0514e-73.3691e-85.2501e-953.6332
OGAG FRHHZ2.8997e-77.1226e-85.9974e-82.3196e-81.2233e-89.7681e-74.6057e-71.4981e-81.6344e-955.6305
OGAG FRHHN3.7552e-77.1750e-86.7886e-82.3557e-81.1720e-88.5625e-74.8383e-71.4787e-82.1982e-955.6305
OGAG FRHHE3.1203e-76.5313e-86.8869e-83.3501e-81.6321e-85.5999e-74.9667e-71.8563e-82.1292e-955.6305
TURF FRHHZ1.0542e-61.5020e-76.7680e-82.1337e-81.6029e-82.1260e-62.5208e-72.3302e-83.4165e-962.8159
TURF FRHHN1.4038e-61.8701e-71.0901e-72.5693e-81.6213e-84.1569e-64.5171e-72.3017e-84.7802e-962.8159
TURF FRHHE9.1979e-71.1248e-78.7899e-82.9829e-81.7731e-82.3367e-63.9284e-72.9496e-83.6026e-962.8159
GBOS GUHHZ1.1448e-62.0210e-71.5639e-73.6245e-82.0605e-83.6706e-68.0460e-72.7835e-84.7815e-965.0116
GBOS GUHHN1.0972e-61.9350e-71.0438e-73.2752e-81.8680e-82.4796e-63.5848e-72.7396e-84.7198e-965.0116
GBOS GUHHE1.1569e-62.4293e-71.6517e-74.2918e-82.2583e-83.2737e-67.5213e-74.0145e-86.1641e-965.0116
SAOF FRHHZ4.6968e-71.0528e-79.0002e-84.2942e-81.7067e-81.0501e-64.8446e-72.4030e-82.8488e-967.4148
SAOF FRHHN4.7097e-78.9633e-85.7479e-82.7962e-81.1967e-89.2586e-72.3305e-71.4267e-82.2721e-967.4148
SAOF FRHHE4.5332e-71.0178e-78.1794e-83.4641e-81.6733e-89.1257e-75.2907e-72.0899e-82.7405e-967.4148
RSP GUHHZ5.5127e-76.9727e-83.5763e-81.1832e-85.5763e-91.2384e-62.1451e-78.6224e-91.4866e-973.210
RSP GUHHN7.6422e-79.7192e-84.8519e-81.2416e-86.2717e-91.8884e-61.8633e-71.1166e-82.3271e-973.210
RSP GUHHE5.2713e-77.5688e-83.8872e-81.1405e-85.1980e-91.7183e-62.0672e-78.3767e-91.6598e-973.210
MGRO GUHHZ3.6733e-78.3186e-84.6056e-83.4597e-81.8318e-89.4754e-72.2029e-72.1414e-82.0257e-975.7132
MGRO GUHHN5.8391e-79.2972e-87.4679e-85.4857e-82.2537e-81.1514e-64.8010e-73.0394e-82.9915e-975.7132
MGRO GUHHE5.5734e-77.9528e-86.5553e-83.8672e-82.2108e-81.1287e-64.5394e-73.0497e-82.3661e-975.7132
ESCA FRHHZ8.3774e-71.2947e-76.3325e-82.2278e-81.3708e-81.4901e-63.7557e-72.2708e-82.4280e-977.6164
ESCA FRHHN1.0019e-61.2797e-76.0636e-82.1495e-81.5100e-82.9571e-63.1031e-72.2004e-82.8520e-977.6164
ESCA FRHHE1.3221e-62.0315e-79.1075e-83.3841e-81.8520e-83.8171e-63.5985e-72.5621e-84.1507e-977.6164
RORO GUHHZ9.4623e-71.2973e-71.0076e-72.9740e-81.3953e-83.6827e-64.9663e-72.3461e-83.4311e-987.6119
RORO GUHHN9.7625e-71.3103e-79.7860e-83.3284e-81.9837e-81.5413e-64.5994e-73.2777e-83.5407e-987.6119
RORO GUHHE7.4619e-71.1855e-79.0329e-83.1721e-81.6808e-81.6767e-64.0661e-72.3201e-82.7218e-987.6119
IMI GUHHZ5.4060e-77.7941e-85.2102e-83.1062e-82.1739e-81.6199e-62.6030e-72.5191e-82.4884e-990.7136
IMI GUHHN1.5986e-62.2352e-71.0376e-75.2078e-83.1444e-84.6328e-63.8290e-75.1849e-84.9855e-990.7136
IMI GUHHE1.1956e-61.6377e-77.5382e-83.3821e-82.7852e-83.0056e-63.4990e-73.6569e-83.9364e-990.7136
LSD GUHHZ5.3474e-79.7876e-87.2793e-82.5637e-81.4189e-81.5197e-64.3761e-72.1784e-82.7842e-9106.81
LSD GUHHN8.3576e-71.3547e-79.3135e-83.8436e-82.4074e-81.9347e-66.9946e-73.2979e-84.0471e-9106.81
LSD GUHHE9.7656e-71.5684e-71.1766e-73.7886e-81.5708e-81.4235e-65.9483e-72.1433e-83.6542e-9106.81
*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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