MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.4
2024-12-19 04:21:33 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-19 09:16:22

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Earthquake info - Manual location
Event - ID :241219042108
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2024-12-19 04:21:33.948 (UTC)
Location : Latitude: 44.540 N, Longitude: 6.874 E
Area :Alpi Cozie
Depth (km) :1.18
Distances (km) : 11.6 --- Acceglio
12.2 --- Bellino
15.3 --- Pontechianale
15.6 --- Prazzo
16.5 --- Casteldelfino
16.6 --- Argentera
17.1 --- Elva
18.9 --- Canosio
19.6 --- Marmora
20.4 --- Stroppo
24.5 --- Macra
25.0 --- Celle di Macra
25.1 --- Pietraporzio
25.4 --- Sampeyre
27.4 --- Sambuco
28.7 --- Crissolo
29.4 --- Oncino
30.2 --- Ostana
30.5 --- Castelmagno
30.7 --- San Damiano Macra

Quality location estimate: Erh: 1.1 km, Erz: 0.6 km, Nf: 22, Gap: 99 °, Rms: 0.31


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.
SURFFR2024-12-19 04:21:35.9900.0130-0.012.022024-12-19 04:21:36.9850.0400-0.560.598.2
PZZGU2024-12-19 04:21:38.2900.01900.012.022024-12-19 04:21:40.7000.0400-0.750.6319.7
OGAGFR2024-12-19 04:21:38.9680.0200-2.570.002024-12-19 04:21:46.8210.0400-0.021.5938.2
ISOFR2024-12-19 04:21:42.1950.02000.001.872024-12-19 04:21:46.9310.0400-0.990.3442.0
RRLGU2024-12-19 04:21:42.5070.0200-0.021.822024-12-19 04:21:48.8300.04000.420.8143.0
BHBGU2024-12-19 04:21:42.8860.02000.121.372024-12-19 04:21:48.2940.0400-0.600.7345.0
STVGU2024-12-19 04:21:43.5870.02000.410.852024-12-19 04:21:48.8570.0400-0.800.6448.6
ENRGU2024-12-19 04:21:44.7610.02000.450.772024-12-19 04:21:51.4410.0400-0.151.1855.4
RSPGU2024-12-19 04:21:48.1350.02000.350.942024-12-19 04:21:57.2800.0400-0.251.0274.4
TURFFR2024-12-19 04:21:48.3450.02000.271.072024-12-19 04:21:56.6310.0400-1.480.0575.1
GBOSGU2024-12-19 04:21:48.8110.0200-0.200.982024-12-19 04:21:58.8210.0400-0.680.7183.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.531.57e-119.7101
OGAG FRHH0.211.27e-238.2316
RRL GUHH0.216.83e-343.0351
BHB GUHH0.381.24e-245.043
STV GUHH0.377.69e-348.6132
ENR GUHH0.773.01e-255.4128
TURF FRHH0.394.73e-375.1147


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 GUHHZ1.6590e-52.0664e-68.9920e-72.1400e-71.2242e-73.5001e-52.6761e-62.2312e-75.0318e-819.7101
PZZ GUHHN1.5417e-52.5343e-61.2103e-64.0469e-71.7271e-73.6304e-57.3386e-62.9504e-75.9021e-819.7101
PZZ GUHHE9.9010e-61.6714e-61.1416e-62.9661e-71.5972e-72.5133e-58.3249e-62.2798e-73.4809e-819.7101
OGAG FRHHZ3.0330e-71.0392e-79.2667e-84.9429e-82.2487e-81.1496e-64.2325e-73.2418e-83.2258e-938.2316
OGAG FRHHN5.4792e-71.3262e-79.3787e-86.0338e-84.4523e-81.1454e-63.0745e-75.7814e-86.2804e-938.2316
OGAG FRHHE3.7758e-71.2455e-71.1478e-77.1735e-82.9371e-86.6501e-77.3175e-73.2773e-83.6688e-938.2316
ISO FRHHZ6.3077e-78.7164e-85.5899e-81.3893e-87.4827e-92.0839e-61.4899e-71.0894e-81.8835e-942.0160
ISO FRHHN7.1053e-71.0225e-74.1816e-81.2706e-86.5214e-91.9241e-61.8747e-71.0217e-81.6516e-942.0160
ISO FRHHE8.7501e-71.0373e-75.5960e-82.0476e-87.3965e-91.7190e-62.4130e-79.1584e-92.4016e-942.0160
RRL GUHHZ4.6061e-76.0944e-84.2982e-82.2366e-89.1413e-99.9278e-72.6623e-71.1499e-81.4435e-943.0351
RRL GUHHN6.4976e-71.0048e-75.9322e-82.3765e-81.2236e-81.8601e-63.9249e-71.7875e-82.8309e-943.0351
RRL GUHHE4.9015e-79.5707e-86.4138e-82.8129e-81.3237e-81.9179e-62.9728e-71.7784e-82.5577e-943.0351
BHB GUHHZ1.4867e-62.4667e-71.1281e-73.7306e-81.4554e-84.3179e-65.0520e-72.2118e-84.7515e-945.043
BHB GUHHN1.4093e-61.7386e-71.0659e-73.8892e-81.8015e-82.1653e-65.5280e-72.4780e-84.0282e-945.043
BHB GUHHE1.2765e-62.1764e-71.1983e-74.0821e-81.4662e-82.7929e-64.3541e-72.1954e-84.7519e-945.043
STV GUHHZ8.8678e-71.1566e-79.0684e-83.1396e-81.3677e-81.8861e-64.8634e-71.9074e-82.9121e-948.6132
STV GUHHN8.1440e-79.8710e-86.8248e-82.9347e-82.4510e-82.6078e-64.7569e-73.4120e-89.3812e-948.6132
STV GUHHE8.7934e-71.3152e-77.0899e-82.2683e-81.4240e-82.5425e-62.4483e-71.7064e-82.8710e-948.6132
ENR GUHHZ3.0654e-63.2427e-71.1045e-73.3917e-82.4492e-84.4588e-65.0544e-73.8713e-87.0399e-955.4128
ENR GUHHN7.9661e-67.9895e-72.3225e-77.7368e-84.7208e-89.4048e-67.3001e-78.7259e-81.4779e-855.4128
ENR GUHHE8.1115e-68.6183e-72.9077e-76.1654e-83.6627e-81.0331e-51.0679e-67.1616e-81.5503e-855.4128
RSP GUHHZ3.0576e-73.7630e-81.7981e-88.1087e-93.7552e-94.5459e-79.3330e-85.2755e-98.5828e-1074.424
RSP GUHHN2.5669e-74.2650e-82.4854e-87.9866e-94.0529e-97.1718e-71.1721e-77.1911e-91.1667e-974.424
RSP GUHHE2.2986e-74.1382e-82.6971e-89.6638e-94.4514e-98.2037e-71.1303e-75.8261e-91.0941e-974.424
TURF FRHHZ2.7047e-74.5965e-83.3314e-82.1390e-81.5629e-87.8054e-71.5171e-72.0611e-81.2837e-975.1147
TURF FRHHN3.0644e-75.9075e-83.8204e-81.7048e-81.5327e-81.1809e-61.5101e-72.4755e-81.8850e-975.1147
TURF FRHHE2.2826e-74.8164e-83.7726e-82.3501e-81.8442e-86.9138e-72.2970e-72.6035e-81.7023e-975.1147
GBOS GUHHZ4.5863e-79.9383e-87.5978e-83.0214e-81.5799e-81.7525e-62.8358e-72.4579e-82.3899e-983.6113
GBOS GUHHN5.1743e-77.7960e-85.7092e-82.9244e-81.2501e-88.1225e-72.8711e-71.7195e-81.8418e-983.6113
GBOS GUHHE5.3970e-71.2260e-78.5801e-84.1936e-81.6960e-81.4720e-64.0723e-71.9174e-83.3331e-983.6113
*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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