MANUAL Location - Area: Alpi Cozie , magnitude (ML): 1.2
2024-12-27 10:29:17 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-27 11:20:19

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Earthquake info - Manual location
Event - ID :241227102842
Magnitude (ML) :1.2 +/- 0.2
Origin Time :2024-12-27 10:29:17.607 (UTC)
Location : Latitude: 44.590 N, Longitude: 6.838 E
Area :Alpi Cozie
Depth (km) :4.86
Distances (km) : 14.2 --- Bellino
15.5 --- Pontechianale
17.5 --- Acceglio
18.4 --- Casteldelfino
20.7 --- Elva
20.8 --- Prazzo
22.9 --- Argentera
24.4 --- Canosio
24.7 --- Stroppo
25.0 --- Marmora
27.9 --- Sampeyre
28.1 --- Crissolo
28.8 --- Macra
29.5 --- Oncino
29.6 --- Celle di Macra
30.0 --- Ostana
31.4 --- Pietraporzio
32.9 --- Bobbio Pellice
33.6 --- Sambuco
34.6 --- Frassino

Quality location estimate: Erh: 0.8 km, Erz: 1.4 km, Nf: 32, Gap: 90 °, Rms: 0.20


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.
SURFFR2024-12-27 10:29:20.6700.00700.011.632024-12-27 10:29:22.6000.0380-0.320.8413.2
PZZGU2024-12-27 10:29:22.7200.0120-0.021.602024-12-27 10:29:25.9900.0701-0.480.6224.7
OGAGFR2024-12-27 10:29:23.9900.0160-0.021.572024-12-27 10:29:28.3100.0992-0.221.0832.8
RRLGU2024-12-27 10:29:25.0600.01800.071.452024-12-27 10:29:30.0970.2967-0.071.0537.6
BHBGU2024-12-27 10:29:26.1500.02110.210.962024-12-27 10:29:31.5600.1283-0.211.1043.6
ISOFR2024-12-27 10:29:27.0300.02410.290.742024-12-27 10:29:32.4700.1444-0.560.5448.5
STVGU2024-12-27 10:29:27.5570.02000.031.482024-12-27 10:29:34.2100.1625-0.271.0054.8
ENRGU2024-12-27 10:29:28.6100.03110.011.452024-12-27 10:29:36.4600.18250.151.0361.4
RSPGU2024-12-27 10:29:30.7800.03510.201.032024-12-27 10:29:39.6390.2416-0.071.0570.8
OGDIFR2024-12-27 10:29:31.5300.03710.430.412024-12-27 10:29:40.5440.2326-0.310.9072.6
MVIFFR2024-12-27 10:29:32.6260.0200-0.021.362024-12-27 10:29:43.0500.2436-0.410.7881.2
TURFFR2024-12-27 10:29:32.6700.04120.181.092024-12-27 10:29:42.2200.2436-0.790.3681.5
SAOFFR2024-12-27 10:29:33.8610.02000.300.772024-12-27 10:29:43.9200.4739-0.830.4088.2
GBOSGU2024-12-27 10:29:33.1700.04420.041.332024-12-27 10:29:43.6100.2647-0.320.8588.7
MGROGU2024-12-27 10:29:34.9100.0492-0.290.972024-12-27 10:29:46.9560.6119-0.680.4998.5
LSDGU2024-12-27 10:29:35.1650.0200-0.211.112024-12-27 10:29:47.5040.0400-0.270.9699.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH1.571.13e+024.7113
OGAG FRHH1.091.30e-132.8313
RRL GUHH1.281.04e-137.6354
BHB GUHH1.005.44e-243.651
ISO FRHH0.964.41e-248.5159
STV GUHH1.325.38e-254.8134
RSP GUHH0.751.33e-270.828
TURF FRHH1.212.60e-281.5147
SAOF FRHH1.161.93e-288.2139
MGRO GUHH1.312.11e-298.5128
LSD GUHH1.201.61e-299.613


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 GUHHZ7.4702e-51.1677e-55.9971e-61.3206e-67.3839e-72.8579e-42.8075e-51.3572e-62.7148e-724.7113
PZZ GUHHN7.3567e-51.4477e-59.0768e-62.4648e-61.2902e-61.9524e-43.3964e-52.0864e-63.4196e-724.7113
PZZ GUHHE7.3154e-51.5252e-59.2948e-62.3508e-61.3284e-61.6777e-44.5491e-52.1266e-63.7851e-724.7113
OGAG FRHHZ3.7516e-67.7599e-76.8706e-72.8357e-71.5346e-71.4048e-53.5095e-62.0447e-72.5355e-832.8313
OGAG FRHHN5.2290e-68.6836e-77.1889e-72.7442e-71.0654e-71.3331e-54.1384e-61.4427e-72.1061e-832.8313
OGAG FRHHE5.1859e-61.2863e-69.5029e-75.9015e-72.3994e-78.6349e-67.0041e-63.0811e-73.3293e-832.8313
RRL GUHHZ5.2228e-67.0445e-74.4236e-71.9323e-79.4485e-89.7592e-62.3947e-61.2883e-71.8198e-837.6354
RRL GUHHN6.2108e-61.2922e-67.4192e-72.3014e-71.1916e-72.1035e-52.3864e-61.8907e-73.4470e-837.6354
RRL GUHHE6.1784e-61.1445e-68.4711e-73.4184e-71.3970e-71.3273e-53.6208e-61.8684e-72.9289e-837.6354
BHB GUHHZ1.3582e-51.8640e-66.0379e-71.2597e-77.7753e-83.6466e-51.7406e-61.5865e-74.1333e-843.651
BHB GUHHN8.7990e-61.0265e-65.5340e-71.2971e-76.5468e-82.0343e-52.1038e-61.1521e-72.2874e-843.651
BHB GUHHE9.6486e-61.1503e-64.2434e-71.1285e-76.1230e-81.8920e-51.7233e-61.0228e-72.5059e-843.651
ISO FRHHZ8.3621e-69.0023e-72.9303e-78.2798e-85.4337e-81.4359e-51.2065e-69.2027e-81.8168e-848.5159
ISO FRHHN7.0800e-68.3007e-72.0063e-76.2235e-83.2124e-89.5663e-66.8243e-76.1822e-81.4498e-848.5159
ISO FRHHE9.7573e-61.0144e-62.8512e-71.3422e-77.5273e-81.0847e-51.1051e-61.0740e-71.6635e-848.5159
STV GUHHZ6.0335e-67.0871e-74.4605e-71.4374e-76.4446e-81.2407e-52.3110e-69.3770e-81.6830e-854.8134
STV GUHHN6.9674e-68.4989e-74.4146e-71.3519e-75.9619e-81.6761e-51.8201e-61.0014e-72.0003e-854.8134
STV GUHHE7.8135e-69.1469e-74.6651e-71.2561e-75.3178e-82.0092e-51.6910e-68.3852e-82.0222e-854.8134
ENR GUHHZ2.4031e-52.5076e-68.5302e-72.6707e-71.8730e-74.1198e-52.7268e-62.4445e-75.6695e-861.4131
ENR GUHHN5.5924e-54.7480e-61.3837e-64.2448e-72.1763e-75.4364e-57.0497e-63.6789e-79.7224e-861.4131
ENR GUHHE6.8130e-56.1485e-61.4918e-64.5521e-72.5165e-75.3318e-59.6059e-65.2755e-71.4644e-761.4131
RSP GUHHZ1.0150e-61.1859e-75.8280e-81.7682e-88.1186e-93.3049e-62.4553e-71.1870e-82.3552e-970.828
RSP GUHHN1.6374e-62.1094e-71.0092e-72.5843e-81.3758e-82.7908e-64.1101e-72.4416e-85.0179e-970.828
RSP GUHHE1.6574e-62.4009e-71.1919e-73.1322e-81.4983e-84.8124e-63.1047e-72.4419e-85.5109e-970.828
TURF FRHHZ1.4410e-62.8026e-71.6423e-75.0238e-82.4105e-85.0462e-67.9645e-74.3268e-86.6067e-981.5147
TURF FRHHN1.8127e-64.1264e-72.2044e-76.5130e-83.2786e-87.6206e-68.5836e-74.7691e-88.7335e-981.5147
TURF FRHHE1.7680e-63.5128e-72.6157e-78.7587e-83.8747e-86.3925e-61.4706e-65.0492e-87.9816e-981.5147
SAOF FRHHZ1.0728e-62.2157e-71.6151e-77.1251e-83.1743e-82.5419e-69.5139e-74.1627e-86.4182e-988.2139
SAOF FRHHN1.3426e-62.9111e-71.7628e-77.0855e-83.3583e-82.2551e-69.6748e-75.4845e-86.4034e-988.2139
SAOF FRHHE1.3499e-62.6799e-71.8749e-77.6369e-84.2876e-82.7318e-61.0767e-65.6302e-85.7056e-988.2139
GBOS GUHHZ2.8270e-66.5731e-75.2532e-71.6785e-76.4206e-81.0359e-52.5266e-69.0377e-81.4997e-888.7116
GBOS GUHHN2.2175e-64.6558e-74.2301e-71.3564e-76.2118e-89.2632e-61.7475e-68.0467e-81.2768e-888.7116
GBOS GUHHE1.9583e-65.1931e-74.5390e-71.6184e-76.3230e-86.2869e-62.2648e-68.3462e-81.3221e-888.7116
MGRO GUHHZ7.6876e-71.4587e-71.0607e-75.7241e-82.5675e-82.5995e-64.2438e-74.0893e-84.4124e-998.5128
MGRO GUHHN1.3949e-62.6163e-71.8016e-76.9714e-83.9841e-83.6077e-67.8120e-76.1323e-87.5377e-998.5128
MGRO GUHHE9.7628e-72.2885e-71.5758e-77.1297e-83.1265e-82.4297e-69.2196e-74.2890e-86.0144e-998.5128
LSD GUHHZ1.0675e-61.4173e-71.2504e-73.5758e-81.6979e-82.6275e-67.8974e-72.3800e-83.7372e-999.613
LSD GUHHN1.2397e-61.6552e-71.0428e-73.0780e-81.4379e-83.2516e-65.0213e-72.5887e-84.1094e-999.613
LSD GUHHE1.5655e-62.5898e-71.7267e-74.9044e-82.1214e-83.0749e-61.1645e-62.9937e-85.4816e-999.613
*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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