MANUAL Location - Area: Alpi Cozie , magnitude (ML): 0.8
2025-05-14 08:19:53 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-05-15 07:56:59

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Earthquake info - Manual location
Event - ID :250514081841
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2025-05-14 08:19:53.894 (UTC)
Location : Latitude: 44.849 N, Longitude: 6.795 E
Area :Alpi Cozie
Depth (km) :1.04
Distances (km) : 10.8 --- Claviere
11.5 --- Sauze di Cesana
11.6 --- Cesana Torinese
13.9 --- Sestriere
20.5 --- Prali
20.6 --- Sauze d Oulx
20.8 --- Oulx
21.6 --- Pragelato
22.7 --- Salza di Pinerolo
24.0 --- Massello
25.8 --- Bobbio Pellice
26.0 --- Salbertrand
26.6 --- Bardonecchia
27.1 --- Perrero
28.8 --- Villar Pellice
28.9 --- Usseaux
29.1 --- Fenestrelle
29.7 --- Exilles
31.1 --- Pontechianale
31.6 --- Roure

Quality location estimate: Erh: 1.5 km, Erz: 1.7 km, Nf: 16, Gap: 203 °, 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.
BHBGU2025-05-14 08:20:02.0400.05320.480.632025-05-14 08:20:06.5970.15440.091.3537.0
SURFFR2025-05-14 08:20:01.9600.02410.011.592025-05-14 08:20:07.2600.1213-0.291.1040.9
PZZGU2025-05-14 08:20:02.7900.02610.001.602025-05-14 08:20:08.6700.1364-0.241.2345.7
LSDGU2025-05-14 08:20:07.7300.05420.081.402025-05-14 08:20:16.5960.1002-0.321.0673.0
ISOFR2025-05-14 08:20:08.4340.02000.350.802025-05-14 08:20:17.7600.2286-0.141.2176.6
ENRGU2025-05-14 08:20:09.8190.02000.780.492025-05-14 08:20:20.3570.04000.730.6184.7
CIROGU2025-05-14 08:20:12.8390.0200-0.221.262025-05-14 08:20:25.5300.3678-0.520.74103.4
TURFFR2025-05-14 08:20:14.2600.02000.780.522025-05-14 08:20:26.3600.5859-0.940.42108.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BHB GUHH0.663.46e-237.092
PZZ GUHH0.603.67e-245.7146
LSD GUHH0.761.19e-273.021
ISO FRHH0.495.77e-376.6165
ENR GUHH0.971.91e-284.7144
CIRO GUHH1.136.64e-3103.436
TURF FRHH0.866.07e-3108.0154


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.
(°)
BHB GUHHZ7.6012e-69.1975e-73.8019e-78.5623e-84.7304e-82.0284e-51.5036e-68.5919e-82.0436e-837.092
BHB GUHHN4.4423e-66.6911e-72.8451e-78.6711e-83.8846e-81.0580e-51.3174e-67.1764e-81.4015e-837.092
BHB GUHHE7.5502e-69.0326e-72.7065e-79.0390e-83.7231e-81.5270e-57.6352e-78.0000e-81.8333e-837.092
PZZ GUHHZ4.0066e-67.4995e-73.0261e-76.6543e-83.9418e-81.2131e-51.2273e-67.3290e-81.6717e-845.7146
PZZ GUHHN4.7326e-67.1157e-73.1732e-76.8346e-84.2296e-81.0937e-51.1001e-66.3612e-81.3719e-845.7146
PZZ GUHHE4.0971e-65.4383e-73.6318e-77.0489e-84.3128e-81.1147e-51.7951e-67.5074e-81.3419e-845.7146
LSD GUHHZ2.1236e-61.8151e-79.3872e-82.9558e-81.1273e-82.1295e-64.3682e-71.7236e-83.5391e-973.021
LSD GUHHN1.4877e-61.8589e-71.0722e-73.1947e-81.3618e-84.0895e-65.4585e-72.2034e-84.2441e-973.021
LSD GUHHE2.2422e-62.0486e-71.2911e-73.0577e-81.5724e-82.4602e-67.8806e-72.4664e-84.3848e-973.021
ISO FRHHZ6.2246e-71.0455e-75.8516e-81.3716e-88.6740e-91.3920e-61.9968e-71.4443e-82.3169e-976.6165
ISO FRHHN6.8629e-71.1149e-74.9021e-81.1796e-86.3891e-91.4788e-61.2186e-71.1884e-82.4493e-976.6165
ISO FRHHE6.4361e-71.0516e-74.9959e-82.1273e-81.2390e-81.2676e-61.7082e-71.5671e-82.4611e-976.6165
ENR GUHHZ2.2764e-63.0735e-79.2950e-82.7051e-81.5317e-85.5571e-64.8617e-72.3617e-85.7554e-984.7144
ENR GUHHN4.9891e-65.3343e-71.4815e-74.8305e-82.7394e-87.8135e-65.2252e-75.0932e-81.0717e-884.7144
ENR GUHHE6.2509e-65.4052e-71.5399e-74.1562e-82.2511e-86.3471e-67.1732e-74.8065e-89.6987e-984.7144
CIRO GUHHZ5.6238e-77.3522e-85.0576e-81.7596e-89.2821e-91.2215e-63.7933e-71.3856e-81.7105e-9103.436
CIRO GUHHN5.7274e-78.4009e-84.8464e-81.7235e-87.9335e-91.2295e-62.5112e-71.1219e-81.9165e-9103.436
CIRO GUHHE6.6197e-71.0465e-76.9505e-81.8942e-88.6370e-91.1318e-64.0029e-71.2339e-82.3237e-9103.436
TURF FRHHZ2.1202e-73.0718e-82.2044e-88.9628e-97.3559e-96.2335e-71.6700e-71.4225e-89.2885e-10108.0154
TURF FRHHN3.0449e-76.2389e-83.9171e-81.8846e-81.0739e-81.0923e-61.4729e-71.5785e-81.5891e-9108.0154
TURF FRHHE1.9384e-74.6480e-84.6635e-82.9292e-81.3118e-86.9681e-72.6480e-71.5831e-81.7231e-9108.0154
*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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