AUTOMATIC Location - Area: Alpi Pennine , magnitude (ML): 1.0
2025-12-22 18:32:53 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-12-22 18:37:25

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Earthquake info - RsniPicker2 automatic location
Event - ID :251222183228
Magnitude (ML) :1.0 +/- 0.3
Origin Time :2025-12-22 18:32:53.639 (UTC)
Location : Latitude: 45.911 N, Longitude: 7.081 E
Area :Alpi Pennine
Depth (km) :10.29
Distances (km) : 12.4 --- Saint-Rhemy-En-Bosses (AO)
13.9 --- Saint-Oyen (AO)
15.2 --- Etroubles (AO)
15.5 --- Courmayeur (AO)
17.3 --- Morgex (AO)
17.9 --- Pre -Saint-Didier (AO)
18.3 --- La Salle (AO)
18.7 --- Allein (AO)
18.9 --- Ollomont (AO)
20.2 --- Doues (AO)
21.2 --- Valpelline (AO)
22.0 --- Gignod (AO)
22.5 --- Saint-Nicolas (AO)
22.8 --- Roisan (AO)
22.8 --- Avise (AO)
23.8 --- La Thuile (AO)
23.9 --- Arvier (AO)
24.3 --- Oyace (AO)
25.1 --- Saint-Pierre (AO)
25.1 --- Villeneuve (AO)

Quality location estimate:
Erh: 1.9 km, Erz: 2.3 km, Nf: 15, Gap: 142°, Rms: 0.379 s
Stazioni validate: 10


RsniPicker2 - Automatic location results
Station Net P arrival times P pick
err		 P pick
weight		 P res Nll
weight		 S arrival time S pick
err		 S pick
weight		 S res Nll
weight		 Dist.
REMYGU2025-12-22 18:32:57.8200.00800.770.442025-12-22 18:32:59.8690.04300.501.0914.4
BLANCGU2025-12-22 18:32:57.6690.00700.001.81--:---.-----.---.-- 17.0
MRGEIV2025-12-22 18:32:58.1190.00900.511.122025-12-22 18:33:00.3100.05710.001.6918.8
DIXCH--:---.-----.---.--2025-12-22 18:33:05.2200.11920.061.2833.2
RSLFR2025-12-22 18:33:02.0300.02100.001.702025-12-22 18:33:06.7100.1332-1.060.0744.3
LSDGU2025-12-22 18:33:03.7800.03600.840.442025-12-22 18:33:08.9860.2622-0.360.7451.4
CIROGU2025-12-22 18:33:04.0400.02800.521.022025-12-22 18:33:10.0200.2602-0.450.6252.1
SENINCH--:---.-----.---.--2025-12-22 18:33:10.9190.1622-0.330.7654.0
SATIGU--:---.-----.---.--2025-12-22 18:33:13.3600.18620.021.1561.9
RSPGU--:---.-----.---.--2025-12-22 18:33:19.0440.26420.031.0786.6


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
REMY GU0.602.10e-114.4144SI
MRGE IV1.305.08e-118.8186SI
DIX CH1.402.59e-133.253SI
LSD GU1.207.37e-251.4175SI
CIRO GU0.801.26e-252.1132SI
SATI GU0.901.24e-261.993SI
RSP GU1.101.96e-286.6170SI


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)		 PGV
(m/s)		 PGD
(m)		 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.
(°)
REMY GUHHZ1.2913e-51.8770e-60.0000e+08.7258e-71.5680e-62.1228e-61.2787e-53.8020e-62.7276e-72.9928e-814.4144
REMY GUHHN3.0978e-54.3619e-60.0000e+01.5018e-62.5724e-62.5724e-62.8844e-56.1960e-63.9341e-76.4009e-814.4144
REMY GUHHE1.4782e-51.9580e-60.0000e+01.3367e-62.2864e-63.0654e-62.2316e-54.9470e-62.7913e-73.5559e-814.4144
BLANCGUHHZ4.3816e-55.8640e-60.0000e+03.8625e-66.8512e-69.7120e-61.7652e-49.0961e-66.2801e-71.1867e-717.0-1
BLANCGUHHN9.8354e-51.2287e-50.0000e+04.0801e-67.0172e-67.0172e-61.6463e-41.0485e-57.7834e-71.4193e-717.0-1
BLANCGUHHE5.7035e-57.3712e-60.0000e+05.1365e-68.7262e-61.2361e-52.1765e-41.5238e-58.8389e-71.6020e-717.0-1
MRGE IVHHZ5.2028e-55.1816e-60.0000e+01.1124e-62.1994e-63.2637e-63.3601e-52.8700e-62.5593e-75.1986e-818.8186
MRGE IVHHN1.4575e-41.4135e-50.0000e+03.9250e-68.0866e-68.0866e-61.0606e-45.1372e-66.6600e-71.9877e-718.8186
MRGE IVHHE1.2223e-41.4172e-50.0000e+03.4570e-66.8014e-61.0232e-57.4774e-57.9580e-66.4378e-71.5379e-718.8186
DIX CHHHZ1.1600e-52.3291e-60.0000e+01.2484e-62.1375e-62.9679e-62.4861e-53.2779e-63.4088e-74.5681e-833.253
DIX CHHHN1.4653e-52.9183e-60.0000e+01.4210e-62.5153e-62.5153e-62.4602e-56.8174e-64.3667e-74.9246e-833.253
DIX CHHHE1.8500e-53.1452e-60.0000e+01.4180e-62.3598e-63.2716e-63.1460e-55.2125e-62.7860e-74.7491e-833.253
LSD GUHHZ2.0645e-63.5760e-70.0000e+02.9588e-75.6300e-77.6809e-76.7165e-69.2709e-79.7068e-81.2374e-851.4175
LSD GUHHN3.9118e-65.1616e-70.0000e+03.3279e-75.7644e-75.7644e-79.5617e-61.0851e-68.5375e-81.2291e-851.4175
LSD GUHHE9.0453e-61.3313e-60.0000e+09.4516e-71.6147e-62.2489e-61.6841e-52.6236e-61.9252e-72.9781e-851.4175
CIRO GUHHZ9.6293e-71.4889e-70.0000e+09.8425e-81.7545e-72.4188e-72.0077e-63.3237e-73.0998e-81.3395e-852.1132
CIRO GUHHN1.1393e-61.6575e-70.0000e+01.2963e-72.1960e-72.1960e-71.7873e-66.7440e-74.7114e-88.1440e-952.1132
CIRO GUHHE8.0306e-71.4477e-70.0000e+08.3001e-81.5013e-72.1803e-72.5805e-62.5290e-74.5860e-87.2329e-952.1132
SATI GUHHZ9.1637e-71.3515e-70.0000e+01.0222e-71.6631e-72.3321e-72.0996e-63.5328e-73.0125e-88.7910e-961.993
SATI GUHHN1.5118e-62.0269e-70.0000e+01.3245e-72.3426e-72.3426e-74.2111e-65.5146e-74.1071e-89.1390e-961.993
SATI GUHHE1.4322e-61.9125e-70.0000e+01.4541e-72.5435e-73.4706e-73.7830e-62.7530e-75.7020e-86.1120e-961.993
RSP GUHHZ7.7057e-71.5613e-70.0000e+01.2963e-72.1210e-72.9507e-73.6632e-63.1472e-74.4562e-82.8807e-886.6170
RSP GUHHN1.4251e-62.9025e-70.0000e+02.2696e-73.8583e-73.8583e-74.3102e-66.3129e-78.5116e-81.4691e-886.6170
RSP GUHHE9.1213e-72.3460e-70.0000e+01.8685e-73.1421e-74.4773e-72.7349e-67.9589e-79.8019e-81.3129e-886.6170
*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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