MANUAL Location - Area: Francia , magnitude (ML): 1.1
2025-06-25 02:17:32 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-25 07:54:38

RSNI Logo


Earthquake info - Manual location
Event - ID :250625021707
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2025-06-25 02:17:32.36 (UTC)
Location : Latitude: 44.924 N, Longitude: 6.377 E
Area :Francia
Depth (km) :6.01
Distances (km) : 29.5 --- Claviere
30.9 --- Bardonecchia
33.0 --- Cesana Torinese
38.0 --- Oulx
38.2 --- Sauze di Cesana
39.7 --- Sestriere
39.8 --- Sauze d Oulx
43.3 --- Salbertrand
45.5 --- Pragelato
47.6 --- Exilles
52.7 --- Chiomonte
53.0 --- Prali
53.1 --- Usseaux
53.2 --- Salza di Pinerolo
53.6 --- Massello
54.7 --- Fenestrelle
55.3 --- Gravere
55.6 --- Giaglione
56.2 --- Venaus
57.1 --- Moncenisio

Quality location estimate: Erh: 2.2 km, Erz: 2.4 km, Nf: 17, Gap: 185 °, 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.
OGAGFR2025-06-25 02:17:36.8300.00800.001.342025-06-25 02:17:40.3800.06410.341.2521.1
RRLGU2025-06-25 02:17:39.4600.01500.351.22--:---.-----.---.-- 33.1
SURFFR2025-06-25 02:17:43.4700.0281-0.111.102025-06-25 02:17:52.0790.18250.161.2860.4
BHBGU2025-06-25 02:17:45.8300.03410.471.102025-06-25 02:17:54.6700.27870.051.1170.8
RSPGU2025-06-25 02:17:46.6100.03710.670.74--:---.-----.---.-- 74.4
PZZGU2025-06-25 02:17:45.9500.03510.041.332025-06-25 02:17:55.8990.22660.011.1174.9
LSDGU2025-06-25 02:17:47.4600.0572-0.091.122025-06-25 02:17:58.0640.2577-0.150.8884.5
RSLFR2025-06-25 02:17:46.9000.0452-1.210.00--:---.-----.---.-- 87.4
OGDIFR2025-06-25 02:17:49.3400.04420.161.33--:---.-----.---.-- 91.6
LATOIV2025-06-25 02:17:50.0540.10040.860.46--:---.-----.---.-- 95.1
ENRGU2025-06-25 02:17:52.6310.12050.680.79--:---.-----.---.-- 113.1
TURFFR2025-06-25 02:17:56.5100.06430.670.82--:---.-----.---.-- 132.8


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OGAG FRHH0.871.77e-121.1140
BHB GUHH0.991.94e-270.898
PZZ GUHH1.286.26e-274.9128
LSD GUHH1.434.01e-284.545


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 FRHHZ9.3556e-61.6824e-61.1002e-66.7052e-73.1268e-73.0450e-55.5809e-64.4717e-74.9457e-821.1140
OGAG FRHHN7.9849e-61.9700e-61.5594e-65.4040e-72.4595e-72.0963e-58.5376e-63.3049e-74.6803e-821.1140
OGAG FRHHE7.3914e-61.7491e-61.1861e-66.0106e-72.1525e-71.4355e-54.9624e-62.8389e-74.3077e-821.1140
BHB GUHHZ2.3611e-63.3740e-72.0598e-77.7557e-83.5724e-88.4097e-68.3850e-75.4121e-88.9095e-970.898
BHB GUHHN1.8072e-62.8235e-71.9830e-76.6532e-83.3235e-86.0495e-68.0870e-74.6431e-86.7725e-970.898
BHB GUHHE1.8208e-63.2336e-71.9753e-79.0990e-82.9742e-86.0294e-67.1199e-73.7694e-86.6312e-970.898
PZZ GUHHZ2.8450e-65.9594e-74.2152e-71.1770e-75.4734e-89.1244e-62.1687e-67.5857e-81.2858e-874.9128
PZZ GUHHN3.5902e-68.1599e-75.4824e-71.7605e-78.9026e-81.1042e-52.1428e-61.3510e-72.0746e-874.9128
PZZ GUHHE2.9537e-65.9914e-74.9949e-71.3220e-76.1267e-88.9462e-62.5632e-69.4042e-81.5861e-874.9128
LSD GUHHZ1.6064e-62.7781e-72.1936e-78.3174e-83.4529e-83.0011e-61.1034e-64.4957e-86.5154e-984.545
LSD GUHHN2.3414e-65.9018e-73.6542e-71.4546e-75.3880e-81.0449e-51.2693e-68.2289e-81.3661e-884.545
LSD GUHHE1.4254e-63.9872e-73.1029e-71.1101e-74.3200e-83.3830e-62.3529e-65.1399e-88.3852e-984.545
*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)

rsni