MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.3
2025-10-17 18:58:16 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-10-18 13:47:27

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Earthquake info - Manual location
Event - ID :251017185753
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2025-10-17 18:58:16.578 (UTC)
Location : Latitude: 46.045 N, Longitude: 7.446 E
Area :Alpi Pennine
Depth (km) :6.01
Distances (km) : 18.9 --- Bionaz
21.9 --- Oyace
23.1 --- Valtournenche
24.0 --- Ollomont
26.1 --- Valpelline
26.5 --- Chamois
27.2 --- Doues
28.5 --- Torgnon
28.9 --- Antey-Saint-Andre
29.2 --- La Magdeleine
29.6 --- Allein
30.0 --- Etroubles
30.4 --- Saint-Oyen
30.6 --- Roisan
31.3 --- Gignod
31.9 --- Ayas
32.0 --- Verrayes
32.2 --- Saint-Rhemy-En-Bosses
33.5 --- Saint-Denis
33.7 --- Nus

Quality location estimate: Erh: 1 km, Erz: 0.8 km, Nf: 24, Gap: 99 °, Rms: 0.21


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.
DIXCH2025-10-17 18:58:18.9000.00400.021.922025-10-17 18:58:19.6950.0200-0.690.239.8
VANNICH2025-10-17 18:58:21.4450.01400.210.732025-10-17 18:58:24.2550.0722-0.111.4523.0
REMYGU2025-10-17 18:58:23.0220.0602-0.031.812025-10-17 18:58:26.5830.0912-0.950.1233.2
EMBDCH2025-10-17 18:58:23.5850.12460.051.532025-10-17 18:58:28.1880.0400-0.071.5736.0
SENINCH2025-10-17 18:58:23.4670.0200-0.510.402025-10-17 18:58:27.6730.0400-1.420.0738.0
SATIGU2025-10-17 18:58:24.4300.02010.300.652025-10-17 18:58:29.2300.1163-0.161.2238.7
MMKCH2025-10-17 18:58:24.8100.02000.720.012025-10-17 18:58:29.4600.12530.231.0240.9
MRGEIV2025-10-17 18:58:24.6800.0221-0.011.842025-10-17 18:58:29.1300.3337-1.230.1743.4
SIMPLCH2025-10-17 18:58:26.0500.02510.041.702025-10-17 18:58:32.1190.0400-0.360.6849.8
CIROGU2025-10-17 18:58:25.9520.02000.031.732025-10-17 18:58:32.1480.0400-0.490.5250.9
LSDGU2025-10-17 18:58:28.8010.0200-0.061.592025-10-17 18:58:37.1170.1002-0.360.7969.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
REMY GUHH0.261.86e-233.2224
SATI GUHH0.802.78e-238.7120
MMK CHHH0.246.41e-340.989
MRGE IVHH0.279.71e-343.4224
CIRO GUHH0.113.04e-350.9169
LSD GUHH0.213.67e-369.9200


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.
(°)
DIX CHHHZ6.0599e-54.8242e-61.5012e-63.3834e-72.0246e-75.3667e-55.5534e-64.4128e-71.0464e-79.8321
DIX CHHHN1.5005e-41.0649e-52.6704e-68.9236e-74.9809e-76.2605e-51.3577e-51.1023e-62.5965e-79.8321
DIX CHHHE1.7425e-41.5121e-54.0312e-61.6593e-68.0011e-71.1896e-42.1663e-51.5873e-63.4872e-79.8321
VANNICHHHZ3.4941e-63.0026e-79.7760e-84.1601e-81.5764e-82.0886e-64.4346e-72.5543e-84.0902e-923.032
VANNICHHHN2.0642e-62.2161e-71.1518e-75.2784e-82.1351e-82.4081e-64.5301e-72.8793e-84.5026e-923.032
VANNICHHHE1.8723e-62.0313e-71.0707e-76.3193e-82.2789e-82.7269e-64.0947e-72.7089e-84.4907e-923.032
REMY GUHHZ3.6359e-63.3079e-78.3472e-82.7226e-81.3901e-85.5808e-63.4551e-72.2173e-85.7063e-933.2224
REMY GUHHN4.7578e-65.6425e-71.6006e-75.8943e-82.8294e-87.5774e-65.3770e-74.6773e-81.1011e-833.2224
REMY GUHHE3.4959e-63.3835e-71.5246e-73.9378e-82.7398e-87.3310e-64.1618e-74.8048e-87.5149e-933.2224
EMBD CHHHZ8.5406e-76.0802e-83.9055e-81.7456e-86.5414e-97.1083e-72.2038e-71.0660e-81.5703e-936.057
EMBD CHHHN7.0508e-76.5207e-82.8150e-89.4126e-95.0956e-91.1201e-61.8201e-76.8437e-91.4829e-936.057
EMBD CHHHE7.4799e-76.3380e-82.3170e-88.9261e-94.3127e-95.3694e-71.2985e-76.5592e-91.2146e-936.057
SENINCHHHZ8.0316e-71.6647e-78.5001e-83.1896e-81.6123e-81.8132e-63.4630e-72.3660e-84.1986e-938.0342
SENINCHHHN6.1460e-78.3586e-84.9542e-82.9852e-81.6038e-81.8562e-61.9367e-71.9681e-82.2176e-938.0342
SENINCHHHE7.8079e-79.1579e-84.8455e-82.2578e-81.4186e-81.5196e-63.2108e-71.8540e-82.8953e-938.0342
SATI GUHHZ2.1141e-62.4637e-78.8328e-82.4461e-81.4067e-84.7967e-63.1058e-72.0291e-84.8957e-938.7120
SATI GUHHN6.7931e-67.3675e-72.3635e-75.6642e-83.5467e-81.4423e-51.0084e-66.8076e-81.4462e-838.7120
SATI GUHHE5.7147e-66.9727e-71.9822e-74.8571e-82.4802e-81.1141e-55.5073e-74.8954e-81.2839e-838.7120
MMK CHHHZ9.0419e-78.9401e-84.4972e-81.7044e-87.7381e-91.2783e-62.5357e-71.2414e-82.4329e-940.989
MMK CHHHN1.1689e-61.0785e-75.3470e-81.7743e-89.8563e-92.3957e-63.2381e-71.5887e-82.7387e-940.989
MMK CHHHE1.1460e-61.2085e-73.4441e-81.1334e-85.9731e-91.6262e-62.2369e-79.6092e-92.3774e-940.989
MRGE IVHHZ1.7036e-61.1959e-72.9797e-81.5078e-87.6965e-91.3005e-69.7935e-81.0953e-82.1497e-943.4224
MRGE IVHHN3.1692e-62.4559e-75.4463e-82.9921e-83.5089e-82.8128e-62.4837e-76.8157e-87.5258e-943.4224
MRGE IVHHE2.2409e-62.0704e-75.5190e-82.0459e-81.1724e-81.8546e-62.8093e-71.7565e-83.6288e-943.4224
SIMPLCHHHZ4.2171e-75.5709e-81.4188e-87.1748e-94.5091e-95.2401e-74.7870e-86.8159e-91.0011e-949.864
SIMPLCHHHN3.9500e-73.3772e-81.4768e-88.8482e-95.9534e-94.4384e-76.8853e-86.7195e-97.6891e-1049.864
SIMPLCHHHE3.9464e-73.7875e-81.3397e-86.3195e-94.1520e-95.9091e-74.6291e-85.3190e-97.8812e-1049.864
CIRO GUHHZ7.6008e-76.1363e-82.1383e-87.6804e-94.0946e-99.1735e-77.5422e-86.0193e-91.4099e-950.9169
CIRO GUHHN1.0352e-68.4153e-82.5334e-81.1227e-85.8251e-91.0957e-69.3612e-88.3854e-91.6935e-950.9169
CIRO GUHHE8.5620e-78.2385e-82.5778e-88.7667e-94.5790e-91.0035e-61.2235e-76.8941e-91.6024e-950.9169
LSD GUHHZ4.5560e-75.0893e-82.5172e-88.1282e-95.0205e-91.1810e-61.2519e-78.8113e-91.1728e-969.9200
LSD GUHHN6.1872e-75.2365e-81.8478e-88.6825e-93.9909e-95.3160e-77.4249e-86.5345e-91.1934e-969.9200
LSD GUHHE7.5030e-78.4392e-83.3625e-81.1371e-86.2457e-91.4519e-61.7005e-79.3951e-91.4698e-969.9200
*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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