MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.6
2024-12-27 09:05:53 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-27 11:19:08

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Earthquake info - Manual location
Event - ID :241227090448
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2024-12-27 09:05:53.742 (UTC)
Location : Latitude: 44.690 N, Longitude: 6.840 E
Area :Alpi Cozie
Depth (km) :2.16
Distances (km) : 16.6 --- Pontechianale
18.4 --- Bellino
21.3 --- Casteldelfino
25.1 --- Crissolo
25.7 --- Bobbio Pellice
25.8 --- Elva
26.6 --- Acceglio
27.6 --- Ostana
27.7 --- Prali
27.7 --- Oncino
27.9 --- Sauze di Cesana
28.3 --- Villar Pellice
28.5 --- Prazzo
28.7 --- Claviere
29.5 --- Cesana Torinese
30.0 --- Sestriere
30.3 --- Sampeyre
30.5 --- Stroppo
30.7 --- Rora
32.2 --- Canosio

Quality location estimate: Erh: 1 km, Erz: 0.9 km, Nf: 22, Gap: 108 °, Rms: 0.22


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 09:05:58.6100.0140-0.011.522024-12-27 09:06:01.7890.2927-0.370.8123.4
OGAGFR2024-12-27 09:05:59.1100.02010.021.482024-12-27 09:06:02.5360.1815-0.221.0526.3
RRLGU2024-12-27 09:05:59.5300.01600.311.012024-12-27 09:06:02.8800.3628-0.031.0026.3
PZZGU2024-12-27 09:05:59.7800.02210.031.442024-12-27 09:06:03.6900.0932-0.350.7830.1
BHBGU2024-12-27 09:06:01.5800.02210.271.012024-12-27 09:06:06.1400.2607-0.221.0037.2
ISOFR2024-12-27 09:06:05.1360.02000.330.922024-12-27 09:06:11.9150.0400-0.550.4758.7
RSPGU2024-12-27 09:06:05.6230.02000.320.932024-12-27 09:06:13.1900.1935-0.081.1361.1
STVGU2024-12-27 09:06:05.1350.0200-0.071.342024-12-27 09:06:13.1430.1002-0.111.1862.7
ENRGU2024-12-27 09:06:06.5040.02000.380.792024-12-27 09:06:14.8790.04000.041.2368.8
LSDGU2024-12-27 09:06:09.7100.0200-0.221.062024-12-27 09:06:20.2300.5169-0.820.4088.7
CIROGU2024-12-27 09:06:14.6340.1506-0.111.132024-12-27 09:06:28.2100.5969-1.050.29116.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH0.272.98e-226.3295
RRL GUHH0.563.95e-226.3351
PZZ GUHH0.781.25e-130.1133
BHB GUHH0.462.14e-237.264
ISO FRHH0.276.16e-358.7163
STV GUHH0.751.08e-262.7142
LSD GUHH0.777.88e-388.715
CIRO GUHH0.923.11e-3116.429


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 FRHHZ1.2517e-63.2145e-72.8630e-71.4673e-76.1533e-82.7154e-61.8539e-67.8731e-81.0750e-826.3295
OGAG FRHHN1.1411e-62.1507e-71.7571e-71.1250e-75.1487e-82.6298e-69.3191e-76.7669e-87.4107e-926.3295
OGAG FRHHE1.2987e-63.6365e-72.9041e-71.4842e-75.8995e-82.1517e-62.6479e-66.6673e-88.6386e-926.3295
RRL GUHHZ2.5039e-63.8430e-72.0185e-76.6299e-83.5023e-84.5670e-68.9870e-74.9921e-89.0467e-926.3351
RRL GUHHN3.5284e-65.6504e-73.5120e-78.8927e-84.3849e-87.8910e-61.3203e-67.1613e-81.3143e-826.3351
RRL GUHHE2.6082e-64.6594e-73.3871e-71.1451e-75.2810e-84.9035e-61.2765e-67.9549e-81.4169e-826.3351
PZZ GUHHZ8.2144e-61.5593e-68.4492e-72.6564e-71.4027e-71.8761e-54.4817e-61.8288e-72.5649e-830.1133
PZZ GUHHN6.5030e-61.3363e-68.7074e-72.4767e-71.4484e-71.7359e-53.2264e-62.3328e-73.7204e-830.1133
PZZ GUHHE8.5288e-61.7877e-61.1607e-63.0346e-71.5327e-71.9871e-57.0397e-62.1677e-73.7916e-830.1133
BHB GUHHZ4.4665e-66.7690e-72.2120e-75.6490e-82.9087e-89.5371e-67.5363e-75.0995e-81.2532e-837.264
BHB GUHHN2.4906e-63.3837e-71.8429e-75.4280e-82.4278e-87.8786e-68.9431e-73.2378e-87.1349e-937.264
BHB GUHHE3.5132e-64.4162e-71.8786e-75.3445e-82.5185e-87.2877e-67.1319e-74.5380e-81.0407e-837.264
ISO FRHHZ6.9512e-71.0215e-74.6596e-81.6503e-81.0317e-81.2276e-61.5873e-71.4475e-82.0454e-958.7163
ISO FRHHN5.7986e-77.3198e-83.7972e-81.1019e-87.0022e-91.6217e-61.5671e-71.1974e-81.6782e-958.7163
ISO FRHHE9.5942e-71.4372e-74.9495e-81.7744e-81.1032e-82.3977e-62.9024e-71.8095e-83.3808e-958.7163
RSP GUHHZ4.3562e-74.6755e-82.7630e-81.3828e-84.8190e-99.8821e-71.2552e-77.5680e-91.2467e-961.133
RSP GUHHN5.7680e-78.3126e-84.1366e-81.1782e-85.9530e-91.6028e-61.4694e-78.2423e-91.7478e-961.133
RSP GUHHE4.8440e-76.8001e-83.8388e-81.2385e-86.2182e-91.2702e-61.6030e-79.5486e-91.5627e-961.133
STV GUHHZ8.3961e-71.3178e-76.2421e-82.0240e-81.2806e-81.9935e-62.1256e-71.6506e-82.8875e-962.7142
STV GUHHN1.1683e-61.2871e-76.0933e-81.8715e-81.0675e-81.8397e-62.8301e-71.7183e-83.0216e-962.7142
STV GUHHE1.0955e-61.8347e-78.0916e-83.4966e-81.8172e-83.0475e-62.4320e-72.7938e-84.7154e-962.7142
ENR GUHHZ2.9743e-62.8087e-71.1730e-74.2078e-82.7917e-85.2366e-64.8166e-75.7123e-85.8774e-968.8138
ENR GUHHN7.7176e-69.3616e-72.1675e-76.6050e-84.0813e-89.9655e-68.8985e-77.4785e-81.6354e-868.8138
ENR GUHHE7.9992e-67.7441e-72.2765e-76.3747e-84.1662e-87.1852e-68.0370e-77.5961e-81.4003e-868.8138
LSD GUHHZ3.8619e-76.6768e-84.3527e-81.5360e-87.9555e-97.9875e-72.1490e-79.6784e-91.5144e-988.715
LSD GUHHN6.1993e-78.5798e-85.2851e-81.8920e-89.5701e-91.2723e-62.7446e-71.2542e-81.9558e-988.715
LSD GUHHE7.4478e-71.1111e-77.8773e-82.2448e-81.3156e-81.6595e-64.6797e-72.0206e-82.9384e-988.715
CIRO GUHHZ1.9276e-73.3912e-82.5388e-81.3308e-81.2781e-87.0712e-71.3855e-72.6414e-82.1731e-9116.429
CIRO GUHHN2.3876e-73.8741e-82.2487e-81.2549e-81.0886e-84.7064e-79.6765e-81.7345e-83.7482e-9116.429
CIRO GUHHE2.9981e-73.5346e-82.2847e-87.7819e-95.3082e-96.2057e-71.4299e-79.4102e-91.1080e-9116.429
*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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