MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.5
2024-12-18 19:32:13 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-19 08:31:17

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Earthquake info - Manual location
Event - ID :241218193143
Magnitude (ML) :0.5 +/- 0.2
Origin Time :2024-12-18 19:32:13.756 (UTC)
Location : Latitude: 44.513 N, Longitude: 6.849 E
Area :Alpi Cozie
Depth (km) :4.77
Distances (km) : 11.9 --- Acceglio
14.6 --- Argentera
15.3 --- Bellino
16.6 --- Prazzo
18.7 --- Pontechianale
19.3 --- Elva
19.5 --- Casteldelfino
19.5 --- Canosio
20.3 --- Marmora
22.0 --- Stroppo
23.7 --- Pietraporzio
26.1 --- Macra
26.3 --- Sambuco
26.4 --- Celle di Macra
28.0 --- Sampeyre
30.9 --- Castelmagno
32.1 --- Crissolo
32.3 --- San Damiano Macra
32.6 --- Oncino
33.5 --- Ostana

Quality location estimate: Erh: 0.7 km, Erz: 0.8 km, Nf: 22, Gap: 102 °, Rms: 0.32


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.
SURFFR2024-12-18 19:32:16.1200.00400.510.852024-12-18 19:32:17.0270.04000.011.916.6
PZZGU2024-12-18 19:32:18.4100.00900.001.952024-12-18 19:32:21.0000.0511-0.790.3922.0
OGAGFR2024-12-18 19:32:21.3620.0200-0.041.712024-12-18 19:32:26.9660.04000.151.3439.6
ISOFR2024-12-18 19:32:22.0600.02000.570.822024-12-18 19:32:26.8400.11230.061.4440.3
RRLGU2024-12-18 19:32:22.6040.0200-0.031.722024-12-18 19:32:29.0140.04000.131.3846.1
STVGU2024-12-18 19:32:21.8480.0200-0.830.412024-12-18 19:32:28.6590.1002-0.200.8848.5
BHBGU2024-12-18 19:32:23.2800.04220.390.842024-12-18 19:32:28.2600.0400-1.050.2148.8
ENRGU2024-12-18 19:32:24.5230.02000.670.542024-12-18 19:32:31.1920.04000.321.0655.4
TURFFR2024-12-18 19:32:28.3380.02000.960.122024-12-18 19:32:36.8900.2066-0.101.0373.9
RSPGU2024-12-18 19:32:28.5600.16870.640.692024-12-18 19:32:37.0900.3798-0.850.3878.1
GBOSGU2024-12-18 19:32:28.8280.02000.151.352024-12-18 19:32:38.8550.0400-0.151.0084.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.601.51e-122.092
OGAG FRHH0.472.16e-239.6321
ISO FRHH0.171.05e-240.3156
RRL GUHH0.256.51e-346.1354
STV GUHH0.651.49e-248.5128
BHB GUHH0.531.47e-248.842
ENR GUHH0.893.96e-255.4125
TURF FRHH0.741.10e-273.9144


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 GUHHZ1.0377e-51.2050e-67.9172e-72.1723e-71.2588e-72.7483e-53.5826e-61.9231e-72.8805e-822.092
PZZ GUHHN1.3301e-52.3021e-61.2622e-64.3702e-71.8891e-74.1001e-56.5692e-62.8063e-75.2489e-822.092
PZZ GUHHE1.2201e-52.6932e-61.3569e-64.3726e-71.8502e-72.4068e-55.9044e-62.6042e-75.8384e-822.092
OGAG FRHHZ3.7415e-71.0727e-71.1756e-76.1776e-83.2292e-81.2070e-67.7842e-74.5297e-84.1178e-939.6321
OGAG FRHHN4.3255e-71.0203e-79.0171e-83.9690e-82.1443e-81.2964e-65.2848e-72.5794e-83.0520e-939.6321
OGAG FRHHE5.3500e-71.9717e-71.5088e-79.9388e-84.1535e-81.0034e-61.1468e-64.6440e-85.7625e-939.6321
ISO FRHHZ9.7476e-71.3385e-76.8651e-82.3161e-81.4154e-81.8500e-62.9844e-72.0194e-83.3755e-940.3156
ISO FRHHN9.8580e-71.3271e-75.9386e-81.6781e-88.8341e-91.6849e-62.5552e-71.3707e-82.6387e-940.3156
ISO FRHHE1.3478e-62.0838e-79.4448e-83.4103e-81.5880e-83.0129e-65.5266e-72.4629e-85.1376e-940.3156
RRL GUHHZ4.2269e-75.9213e-83.7175e-82.3753e-89.9427e-99.5452e-71.9016e-71.2725e-81.8106e-946.1354
RRL GUHHN4.7375e-77.9232e-85.8233e-82.2798e-81.4879e-81.6682e-62.2175e-71.9204e-82.2423e-946.1354
RRL GUHHE5.1832e-78.7788e-85.6164e-82.6220e-81.1979e-82.0601e-62.2552e-71.6034e-82.2910e-946.1354
STV GUHHZ9.8098e-71.4970e-71.1709e-74.5267e-82.0536e-81.7516e-64.8594e-72.8557e-83.8914e-948.5128
STV GUHHN1.4265e-61.9635e-71.0725e-75.3972e-85.3462e-82.6904e-66.5805e-78.9725e-85.6508e-948.5128
STV GUHHE9.5575e-71.6836e-78.8542e-83.3028e-81.6390e-82.7163e-63.8945e-72.2408e-84.0358e-948.5128
BHB GUHHZ1.4546e-61.6222e-71.1774e-73.7595e-81.5066e-82.9866e-65.2043e-72.5827e-84.4731e-948.842
BHB GUHHN8.0050e-71.6665e-71.2061e-74.6391e-82.2151e-82.1769e-67.3953e-72.8863e-84.3163e-948.842
BHB GUHHE9.8259e-71.4266e-71.0491e-74.6665e-81.7045e-82.9877e-65.1105e-72.6019e-83.6622e-948.842
ENR GUHHZ4.9264e-65.1317e-71.5827e-75.5360e-84.0883e-87.2795e-66.7936e-75.3570e-81.2430e-855.4125
ENR GUHHN1.0375e-59.7588e-73.0394e-71.0796e-75.1572e-81.0491e-51.3767e-68.0029e-81.9496e-855.4125
ENR GUHHE1.2161e-51.1843e-63.2258e-78.8292e-84.9288e-81.1068e-51.3294e-61.0318e-71.9539e-855.4125
TURF FRHHZ3.2104e-77.9493e-86.3414e-83.4064e-82.0158e-88.1199e-73.2469e-73.2718e-82.6987e-973.9144
TURF FRHHN4.4273e-71.1567e-76.5281e-84.6499e-85.8072e-81.7716e-62.8218e-79.3671e-81.6742e-873.9144
TURF FRHHE4.4206e-79.8077e-88.0859e-84.0512e-82.1042e-81.4831e-64.2950e-73.4281e-82.8920e-973.9144
RSP GUHHZ1.4818e-72.2700e-81.3406e-86.2420e-93.0307e-93.6290e-75.6654e-84.2693e-95.6883e-1078.125
RSP GUHHN1.7374e-72.4497e-81.9580e-88.3635e-93.9728e-94.9269e-78.3163e-84.7422e-98.0406e-1078.125
RSP GUHHE2.4568e-74.0029e-82.2690e-88.5117e-94.0628e-97.3047e-77.5213e-85.9412e-99.7747e-1078.125
GBOS GUHHZ6.0202e-71.2822e-71.0976e-74.8978e-82.0574e-81.7273e-65.0564e-72.6860e-83.9001e-984.4111
GBOS GUHHN6.0064e-71.9696e-71.1622e-77.6936e-85.8560e-81.5765e-67.8279e-78.0268e-86.3684e-984.4111
GBOS GUHHE5.1766e-71.7319e-71.0946e-75.0102e-81.6855e-82.0991e-65.2263e-72.2576e-83.8326e-984.4111
*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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