MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.4
2024-12-27 06:58:05 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-12-27 11:13:40

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Earthquake info - Manual location
Event - ID :241227065746
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2024-12-27 06:58:05.942 (UTC)
Location : Latitude: 44.685 N, Longitude: 6.826 E
Area :Alpi Cozie
Depth (km) :4.30
Distances (km) : 17.4 --- Pontechianale
18.9 --- Bellino
21.9 --- Casteldelfino
26.3 --- Crissolo
26.3 --- Elva
26.6 --- Acceglio
27.0 --- Bobbio Pellice
28.6 --- Sauze di Cesana
28.7 --- Ostana
28.7 --- Prazzo
28.8 --- Oncino
28.8 --- Prali
29.0 --- Claviere
29.5 --- Villar Pellice
30.0 --- Cesana Torinese
30.7 --- Sestriere
30.9 --- Stroppo
31.1 --- Sampeyre
31.9 --- Rora
32.4 --- Canosio

Quality location estimate: Erh: 0.7 km, Erz: 1.5 km, Nf: 12, Gap: 113 °, Rms: 0.11


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 06:58:10.7700.01700.041.642024-12-27 06:58:13.7790.1002-0.450.2923.1
OGAGFR2024-12-27 06:58:11.1380.0200-0.051.712024-12-27 06:58:14.5740.1514-0.270.6725.9
RRLGU2024-12-27 06:58:11.5300.02000.021.772024-12-27 06:58:15.4380.18850.100.9127.2
PZZGU2024-12-27 06:58:11.9750.0200-0.071.532024-12-27 06:58:15.5320.0400-0.920.0530.8
BHBGU2024-12-27 06:58:13.6100.02510.011.712024-12-27 06:58:18.3020.1163-0.580.2638.7
RSPGU2024-12-27 06:58:17.5340.02000.001.462024-12-27 06:58:23.1890.0400-2.420.0062.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH0.293.17e-225.9297
RRL GUHH0.432.74e-227.2354
PZZ GUHH0.731.09e-130.8131
BHB GUHH0.391.69e-238.764
RSP GUHH0.144.25e-362.334


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 FRHHZ1.1891e-63.1303e-72.8384e-71.4902e-76.0550e-83.2251e-61.8192e-68.5873e-89.0916e-925.9297
OGAG FRHHN1.1060e-62.9958e-72.0407e-71.3244e-76.6216e-82.6727e-61.0565e-69.0129e-89.1059e-925.9297
OGAG FRHHE1.0616e-62.3097e-72.4447e-71.1328e-75.3022e-81.8523e-62.3339e-65.8497e-87.2347e-925.9297
RRL GUHHZ2.2700e-62.7374e-71.4613e-75.9831e-82.7367e-84.7840e-65.9809e-74.3073e-86.4606e-927.2354
RRL GUHHN2.4196e-63.6037e-72.5510e-77.9156e-83.3209e-86.2287e-61.0018e-64.7781e-88.9574e-927.2354
RRL GUHHE2.2690e-63.4284e-72.1363e-77.0990e-83.2922e-84.1111e-69.5886e-75.5698e-81.0126e-827.2354
PZZ GUHHZ9.7554e-61.6346e-67.8366e-72.6043e-71.4675e-72.2244e-54.1245e-61.9661e-72.9600e-830.8131
PZZ GUHHN6.3640e-61.1824e-67.7950e-72.2182e-71.2448e-71.6149e-52.9863e-62.0595e-73.3757e-830.8131
PZZ GUHHE8.8877e-61.5975e-61.0539e-62.7631e-71.4743e-71.7687e-56.4603e-62.0846e-73.3391e-830.8131
BHB GUHHZ4.6388e-65.9544e-71.9395e-75.4256e-82.5853e-87.6594e-66.3980e-74.4585e-81.0839e-838.764
BHB GUHHN2.5347e-62.6866e-71.4971e-74.5377e-82.1373e-85.6996e-65.7913e-73.2727e-86.5607e-938.764
BHB GUHHE3.6731e-64.2593e-71.5877e-75.1847e-82.3954e-86.6517e-66.5159e-74.8321e-88.2021e-938.764
RSP GUHHZ4.2861e-74.5087e-82.4549e-81.0451e-84.6011e-98.6249e-71.2030e-77.7807e-91.0226e-962.334
RSP GUHHN5.0043e-76.8718e-83.7093e-81.1417e-86.2257e-91.3489e-61.5492e-71.0758e-81.6857e-962.334
RSP GUHHE5.2853e-76.5614e-83.3326e-81.0461e-85.7568e-91.4688e-61.0127e-71.0611e-81.5642e-962.334
*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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