MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.3
2024-11-21 23:18:08 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-11-22 07:47:39

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Earthquake info - Manual location
Event - ID :241121231745
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2024-11-21 23:18:08.701 (UTC)
Location : Latitude: 44.509 N, Longitude: 6.881 E
Area :Alpi Cozie
Depth (km) :2.33
Distances (km) : 9.4 --- Acceglio
13.2 --- Argentera
13.5 --- Bellino
14.1 --- Prazzo
16.9 --- Elva
17.0 --- Canosio
17.3 --- Pontechianale
17.5 --- Casteldelfino
17.8 --- Marmora
19.5 --- Stroppo
21.9 --- Pietraporzio
23.6 --- Macra
23.8 --- Celle di Macra
24.3 --- Sambuco
25.7 --- Sampeyre
28.5 --- Castelmagno
29.8 --- San Damiano Macra
30.5 --- Crissolo
30.9 --- Oncino
31.9 --- Ostana

Quality location estimate: Erh: 1.1 km, Erz: 0.9 km, Nf: 16, Gap: 111 °, Rms: 0.24


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.
SURFFR2024-11-21 23:18:10.4500.0643-0.051.652024-11-21 23:18:11.2020.1303-0.660.476.6
PZZGU2024-11-21 23:18:12.9040.02000.021.732024-11-21 23:18:15.1450.0400-0.810.4219.0
ISOFR2024-11-21 23:18:16.3530.02000.071.402024-11-21 23:18:20.9160.0400-0.600.4338.6
STVGU2024-11-21 23:18:17.3080.0200-0.101.462024-11-21 23:18:22.5670.0400-0.910.3146.0
RRLGU2024-11-21 23:18:17.7940.0773-0.061.492024-11-21 23:18:24.4290.04000.200.7546.6
BHBGU2024-11-21 23:18:17.8600.02000.061.442024-11-21 23:18:23.9470.0400-0.240.8647.3
ENRGU2024-11-21 23:18:18.5200.0200-0.061.562024-11-21 23:18:26.0180.04000.530.0852.9
RSPGU2024-11-21 23:18:22.8540.0200-0.071.372024-11-21 23:18:32.5060.0400-0.480.5977.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PZZ GUHH0.319.98e-219.091
ISO FRHH0.171.13e-238.6159
STV GUHH0.337.82e-346.0129
RRL GUHH0.246.27e-346.6351
BHB GUHH0.156.61e-347.340
ENR GUHH0.763.21e-252.9126
RSP GUHH-0.031.79e-377.423


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 GUHHZ5.8986e-61.1771e-66.6590e-73.0073e-71.6428e-71.3931e-52.7271e-62.3601e-73.2859e-819.091
PZZ GUHHN7.7365e-61.1507e-66.7282e-72.5034e-71.2559e-72.0483e-53.0356e-61.6558e-72.4432e-819.091
PZZ GUHHE5.8104e-61.0693e-68.0874e-73.3640e-71.4675e-71.2868e-54.1273e-62.0593e-72.5325e-819.091
ISO FRHHZ4.6730e-76.4898e-84.3087e-81.7024e-81.3211e-81.3392e-61.6451e-72.0485e-82.4373e-938.6159
ISO FRHHN5.8599e-78.5858e-83.8971e-81.8655e-81.4676e-81.3682e-61.8900e-72.4996e-81.8696e-938.6159
ISO FRHHE5.9476e-71.4333e-75.8787e-83.6992e-85.3423e-81.4320e-63.1098e-79.9749e-81.8434e-838.6159
STV GUHHZ5.4501e-77.7511e-85.7910e-83.1270e-82.0414e-81.4509e-63.1836e-73.2300e-82.7304e-946.0129
STV GUHHN6.8385e-79.9883e-85.2810e-83.6390e-84.1960e-81.4783e-62.7427e-78.3711e-81.2346e-846.0129
STV GUHHE4.4028e-78.8153e-85.3192e-82.1321e-81.7397e-81.4504e-62.1748e-72.8728e-82.7153e-946.0129
RRL GUHHZ3.2503e-74.9997e-82.8703e-81.8141e-81.2443e-86.8234e-71.7821e-71.9314e-82.1790e-946.6351
RRL GUHHN4.7171e-77.3919e-86.3190e-82.6668e-81.8269e-81.6582e-63.5430e-72.4924e-82.3904e-946.6351
RRL GUHHE3.2208e-76.9554e-84.2295e-82.3210e-81.8011e-81.1626e-62.0733e-73.2538e-82.6860e-946.6351
BHB GUHHZ7.1432e-71.0729e-76.2474e-82.5881e-81.8980e-82.4184e-62.2685e-73.2996e-83.5126e-947.340
BHB GUHHN6.3566e-71.0138e-77.0396e-82.5658e-81.7252e-81.9007e-63.1750e-72.9580e-83.0249e-947.340
BHB GUHHE7.6015e-71.0136e-76.3111e-82.8048e-81.2167e-81.9422e-62.8585e-71.6552e-83.3156e-947.340
ENR GUHHZ2.1119e-62.1914e-77.9958e-89.1322e-81.3241e-72.3576e-63.0587e-72.0718e-74.3588e-852.9126
ENR GUHHN6.0557e-65.3265e-71.5137e-71.1990e-71.9261e-76.0690e-69.9662e-73.5499e-74.1845e-852.9126
ENR GUHHE6.3478e-65.6972e-71.4193e-74.6871e-84.1046e-84.1840e-67.0096e-77.6743e-81.1958e-852.9126
RSP GUHHZ1.6024e-71.8929e-81.1184e-84.6315e-93.9370e-93.7569e-75.7041e-86.0849e-91.0280e-977.423
RSP GUHHN1.6841e-72.8525e-81.5408e-85.6519e-94.3385e-97.1755e-78.6615e-87.1132e-99.8330e-1077.423
RSP GUHHE2.2121e-72.9798e-82.0095e-86.2203e-95.2280e-96.4578e-76.9589e-88.1889e-97.7420e-1077.423
*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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