MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.4
2025-11-29 16:39:21 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-01 08:54:26

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Earthquake info - Manual location
Event - ID :251129163856
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2025-11-29 16:39:21.916 (UTC)
Location : Latitude: 45.899 N, Longitude: 7.033 E
Area :Alpi Pennine
Depth (km) :7.93
Distances (km) : 12.6 --- Courmayeur
14.2 --- Saint-Rhemy-En-Bosses
15.4 --- Pre -Saint-Didier
15.7 --- Morgex
16.1 --- Saint-Oyen
17.2 --- La Salle
17.5 --- Etroubles
21.0 --- Allein
21.1 --- La Thuile
22.1 --- Ollomont
22.6 --- Avise
22.7 --- Saint-Nicolas
23.0 --- Doues
24.0 --- Arvier
24.1 --- Valpelline
24.1 --- Gignod
25.1 --- Roisan
25.7 --- Villeneuve
25.9 --- Saint-Pierre
26.0 --- Introd

Quality location estimate: Erh: 1.4 km, Erz: 1.1 km, Nf: 16, Gap: 149 °, Rms: 0.27


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.
BLANCGU2025-11-29 16:39:25.2540.02000.041.702025-11-29 16:39:26.5710.0400-0.840.4714.9
REMYGU2025-11-29 16:39:25.8220.02000.410.492025-11-29 16:39:27.7540.0400-0.011.8815.7
MRGEIV2025-11-29 16:39:25.8430.08030.270.562025-11-29 16:39:27.9720.0400-0.071.5817.4
DIXCH2025-11-29 16:39:29.7010.02000.370.582025-11-29 16:39:34.0690.0400-0.380.3836.5
RSLFR2025-11-29 16:39:29.5840.0200-0.031.812025-11-29 16:39:33.9710.0400-0.880.4840.1
LSDGU2025-11-29 16:39:31.0900.02000.011.722025-11-29 16:39:36.9390.0400-0.430.4150.5
CIROGU2025-11-29 16:39:32.1780.02000.021.652025-11-29 16:39:38.2890.0400-1.060.2854.1
SENINCH2025-11-29 16:39:32.6550.0200-0.051.592025-11-29 16:39:39.5700.0400-0.670.4456.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH0.186.81e-214.9231
MRGE IVHH0.551.03e-117.4171
DIX CHHH0.734.60e-236.555
LSD GUHH0.361.02e-250.5171
CIRO GUHH0.344.58e-354.1128
SENINCHHH0.074.22e-356.422


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.
(°)
BLANCGUHHZ9.9265e-61.0373e-64.2079e-71.1317e-76.2602e-81.6564e-52.0597e-61.0587e-71.9094e-814.9231
BLANCGUHHN1.4464e-51.5238e-65.6516e-71.6382e-78.7165e-82.1342e-52.6139e-61.4698e-72.9976e-814.9231
BLANCGUHHE1.1590e-51.4018e-65.4844e-71.9222e-77.9938e-82.1596e-51.9798e-61.1523e-72.9901e-814.9231
REMY GUHHZ3.4922e-64.8556e-71.4299e-74.4658e-82.2368e-83.8424e-65.4490e-73.0679e-86.6657e-915.7125
REMY GUHHN3.4767e-64.4320e-72.1271e-78.8696e-83.5869e-85.9581e-61.1050e-64.8785e-89.7051e-915.7125
REMY GUHHE3.8524e-64.8536e-72.6898e-78.7746e-85.1918e-85.6193e-61.0844e-68.4054e-81.4012e-815.7125
MRGE IVHHZ1.2832e-51.1632e-62.4003e-78.4161e-84.8773e-81.1252e-51.1037e-61.0363e-72.3424e-817.4171
MRGE IVHHN3.7049e-53.5818e-65.5834e-72.1719e-71.2007e-73.7295e-51.8918e-62.7493e-76.3024e-817.4171
MRGE IVHHE3.4243e-53.3457e-66.1332e-72.1051e-71.1584e-72.0406e-52.7842e-62.0259e-76.4078e-817.4171
DIX CHHHZ5.0564e-65.1005e-72.3909e-77.5790e-83.6600e-86.6420e-68.3362e-76.4924e-81.4364e-836.555
DIX CHHHN5.4221e-67.3865e-73.2806e-71.3337e-75.1502e-81.0898e-51.5859e-67.4705e-81.5397e-836.555
DIX CHHHE5.6184e-64.9695e-72.1362e-71.1058e-73.9644e-88.1785e-69.4056e-76.3252e-81.3210e-836.555
LSD GUHHZ1.2409e-61.2384e-73.5764e-81.7065e-89.8703e-91.0440e-61.1703e-71.5870e-82.7229e-950.5171
LSD GUHHN1.6822e-61.6003e-73.3524e-81.3030e-86.7228e-91.5149e-61.4308e-71.4573e-83.0462e-950.5171
LSD GUHHE1.7368e-61.8858e-77.3382e-82.5516e-81.2477e-81.2002e-63.7080e-71.9379e-83.7985e-950.5171
CIRO GUHHZ5.9420e-77.5387e-82.3077e-87.9696e-93.9475e-99.2931e-71.2997e-75.9543e-91.3829e-954.1128
CIRO GUHHN1.1021e-61.1189e-73.1697e-81.1282e-86.0422e-98.9821e-71.1915e-71.0466e-81.9064e-954.1128
CIRO GUHHE6.8652e-76.3347e-81.6872e-87.8099e-94.5670e-98.6829e-71.0464e-76.5496e-91.3764e-954.1128
SENINCHHHZ4.5735e-78.5097e-85.5105e-82.5335e-81.3094e-81.6077e-61.8438e-71.7297e-82.6705e-956.422
SENINCHHHN3.8333e-75.0313e-83.5139e-82.2200e-81.6264e-81.1623e-61.5842e-72.2270e-83.0155e-956.422
SENINCHHHE4.4055e-75.3048e-83.7762e-81.7338e-81.0036e-81.4116e-61.6185e-71.4506e-81.8773e-956.422
*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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