MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.6
2025-01-16 21:40:02 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-01-17 08:31:15

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Earthquake info - Manual location
Event - ID :250116213917
Magnitude (ML) :0.6 +/- 0.2
Origin Time :2025-01-16 21:40:02.273 (UTC)
Location : Latitude: 44.778 N, Longitude: 6.856 E
Area :Alpi Cozie
Depth (km) :2.59
Distances (km) : 18.1 --- Sauze di Cesana
19.6 --- Prali
19.9 --- Claviere
20.1 --- Cesana Torinese
20.1 --- Sestriere
21.0 --- Bobbio Pellice
21.9 --- Pontechianale
23.8 --- Salza di Pinerolo
23.9 --- Villar Pellice
25.2 --- Bellino
25.3 --- Crissolo
25.6 --- Massello
26.8 --- Casteldelfino
27.0 --- Pragelato
27.1 --- Rora
27.2 --- Perrero
27.8 --- Ostana
27.8 --- Sauze d Oulx
28.5 --- Oulx
28.6 --- Oncino

Quality location estimate: Erh: 0.8 km, Erz: 2 km, Nf: 24, Gap: 85 °, Rms: 0.26


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.
RRLGU2025-01-16 21:40:06.4400.01000.350.102025-01-16 21:40:08.5140.1002-0.151.3817.4
OGAGFR2025-01-16 21:40:07.4000.01300.021.392025-01-16 21:40:10.6600.0762-0.231.3025.3
BHBGU2025-01-16 21:40:09.1200.01700.051.252025-01-16 21:40:13.2250.1675-0.341.1732.9
SURFFR2025-01-16 21:40:08.9070.0200-0.031.452025-01-16 21:40:13.1440.0400-0.550.8033.3
PZZGU2025-01-16 21:40:09.1700.0804-0.251.272025-01-16 21:40:13.6940.1143-0.750.4436.7
OGMOFR2025-01-16 21:40:11.9070.0200-0.131.392025-01-16 21:40:17.9530.1002-0.750.4649.8
RSPGU2025-01-16 21:40:12.3950.02000.061.152025-01-16 21:40:18.8180.0400-0.361.1452.4
ISOFR2025-01-16 21:40:14.8700.02000.071.072025-01-16 21:40:23.1200.0400-0.371.1167.8
STVGU2025-01-16 21:40:14.8280.0200-0.061.382025-01-16 21:40:23.4400.0400-0.321.1870.0
ENRGU2025-01-16 21:40:15.2960.0200-0.431.022025-01-16 21:40:25.3170.04000.140.8575.6
LSDGU2025-01-16 21:40:16.4320.0200-0.381.112025-01-16 21:40:25.9600.4489-0.760.5779.0
CIROGU2025-01-16 21:40:21.3350.1004-0.460.982025-01-16 21:40:33.4770.0400-1.710.02107.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
RRL GUHH0.314.72e-217.4342
OGAG FRHH0.627.09e-225.3273
PZZ GUHH0.941.26e-136.7146
ISO FRHH0.426.37e-367.8167
STV GUHH0.697.42e-370.0148
ENR GUHH1.032.80e-275.6144
LSD GUHH0.465.01e-379.016
CIRO GUHH0.702.26e-3107.431


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.
(°)
RRL GUHHZ6.5023e-66.8013e-72.1198e-77.9297e-84.1162e-87.3021e-67.9360e-76.5566e-81.3765e-817.4342
RRL GUHHN4.4538e-66.0152e-73.4102e-71.0537e-75.1189e-81.0408e-51.3195e-67.5630e-81.4920e-817.4342
RRL GUHHE5.9519e-69.1058e-74.4433e-71.9533e-79.0720e-81.4662e-51.9575e-61.4155e-72.1809e-817.4342
OGAG FRHHZ2.2656e-66.7486e-75.1535e-72.9579e-71.4307e-76.9628e-63.4945e-61.9012e-72.0195e-825.3273
OGAG FRHHN2.5447e-65.3009e-74.5526e-72.0443e-77.6094e-87.9833e-62.4385e-61.0175e-71.4330e-825.3273
OGAG FRHHE3.2336e-67.4138e-76.4520e-73.0351e-71.1004e-77.4696e-64.0480e-61.4287e-72.1103e-825.3273
BHB GUHHZ3.6136e-63.5383e-71.2079e-74.6797e-82.2529e-86.0075e-64.2412e-74.6566e-88.0361e-932.979
BHB GUHHN2.7986e-62.8640e-71.1019e-73.3355e-81.8244e-85.8337e-64.6844e-73.0325e-86.7942e-932.979
BHB GUHHE2.6993e-62.9940e-71.1223e-74.1252e-81.9438e-85.0085e-64.3983e-73.3331e-86.3478e-932.979
PZZ GUHHZ7.0698e-61.2985e-68.1487e-71.9648e-71.2338e-71.4163e-53.3717e-61.8719e-73.4363e-836.7146
PZZ GUHHN5.4871e-61.2275e-67.7208e-71.4188e-79.2558e-81.9958e-52.4499e-61.5520e-73.0860e-836.7146
PZZ GUHHE8.2688e-61.7634e-61.2412e-62.4919e-71.4500e-72.4271e-55.2899e-62.1541e-74.3333e-836.7146
RSP GUHHZ5.5081e-77.0862e-82.2750e-87.7058e-94.3454e-91.2775e-69.4369e-88.4807e-91.5054e-952.438
RSP GUHHN9.1650e-71.1872e-73.7626e-89.9108e-96.7120e-91.9130e-69.7176e-81.2782e-82.1321e-952.438
RSP GUHHE7.5091e-79.7276e-83.7450e-81.0220e-85.2330e-92.0652e-61.0755e-79.1350e-92.1445e-952.438
ISO FRHHZ4.2189e-76.1250e-83.7824e-81.6026e-81.2423e-81.1634e-62.2941e-71.7577e-81.4608e-967.8167
ISO FRHHN6.4783e-71.0891e-73.0785e-82.2339e-83.5295e-81.1921e-61.4249e-76.7678e-81.0082e-867.8167
ISO FRHHE5.1020e-79.0564e-84.8961e-82.0092e-81.4153e-81.5884e-63.4428e-71.7731e-82.5067e-967.8167
STV GUHHZ7.4819e-71.2568e-76.6654e-82.3722e-81.7515e-82.0542e-62.2856e-72.9102e-82.7490e-970.0148
STV GUHHN7.5966e-71.1024e-77.0190e-82.3698e-81.6339e-82.0178e-62.8394e-72.4879e-83.6396e-970.0148
STV GUHHE8.0987e-71.3442e-76.8139e-82.5779e-81.4576e-82.2873e-63.0524e-71.9280e-83.1526e-970.0148
ENR GUHHZ2.1573e-62.3949e-71.2714e-75.4388e-83.5491e-85.1228e-66.3136e-76.3456e-86.7225e-975.6144
ENR GUHHN8.2747e-68.2646e-72.0900e-77.1186e-84.3563e-81.2348e-57.9094e-76.8550e-81.4905e-875.6144
ENR GUHHE8.7159e-67.9416e-72.1245e-76.5135e-84.5319e-88.4773e-68.3762e-77.8500e-81.7010e-875.6144
LSD GUHHZ5.3997e-75.8103e-83.5154e-81.0289e-87.3664e-97.7796e-71.9958e-71.1889e-81.5092e-979.016
LSD GUHHN6.4988e-78.0781e-83.3276e-81.0766e-88.1106e-91.3199e-61.9043e-71.2178e-81.5252e-979.016
LSD GUHHE8.6047e-71.1474e-74.7957e-81.2828e-81.0942e-81.8932e-62.2008e-71.4884e-82.3007e-979.016
CIRO GUHHZ2.2758e-73.0812e-81.7957e-87.9961e-97.6991e-96.1981e-78.1221e-81.2051e-81.0547e-9107.431
CIRO GUHHN2.5819e-74.2733e-81.9925e-88.1578e-98.2417e-96.6442e-71.0882e-71.0647e-88.7135e-10107.431
CIRO GUHHE2.6034e-72.9490e-82.2542e-88.2991e-95.3755e-96.0029e-71.0567e-79.0958e-91.0035e-9107.431
*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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