AUTOMATIC Location - Area: Alpi Pennine , magnitude (ML): 1.9
2026-05-27 08:19:52 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-27 08:23:40

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Earthquake info - RsniPicker2 automatic location
Event - ID :260527081814
Magnitude (ML) :1.9 +/- 0.2
Origin Time :2026-05-27 08:19:52.7 (UTC)
Location : Latitude: 45.937 N, Longitude: 6.949 E
Area :Alpi Pennine
Depth (km) :5.21
Distances (km) : 16.1 --- Courmayeur (AO)
19.4 --- Pre -Saint-Didier (AO)
21.0 --- Morgex (AO)
21.9 --- Saint-Rhemy-En-Bosses (AO)
23.1 --- La Salle (AO)
23.8 --- Saint-Oyen (AO)
24.3 --- La Thuile (AO)
25.2 --- Etroubles (AO)
28.8 --- Allein (AO)
29.3 --- Avise (AO)
29.5 --- Ollomont (AO)
29.7 --- Saint-Nicolas (AO)
30.6 --- Doues (AO)
30.9 --- Arvier (AO)
31.7 --- Valpelline (AO)
31.9 --- Gignod (AO)
32.8 --- Villeneuve (AO)
32.8 --- Roisan (AO)
32.9 --- Introd (AO)
33.2 --- Saint-Pierre (AO)

Quality location estimate:
Erh: 1.8 km, Erz: 1.4 km, Nf: 32, Gap: 167°, Rms: 0.241 s
Stazioni validate: 20


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.
BLANCGU2026-05-27 08:19:55.7590.0060-0.021.65--:---.-----.---.-- 11.6
MRGEIV2026-05-27 08:19:57.5600.01200.221.202026-05-27 08:20:00.4700.06310.031.6921.1
RSLFR2026-05-27 08:19:59.4900.0230-0.580.482026-05-27 08:20:03.6600.1142-1.370.1237.7
DIXCH2026-05-27 08:20:00.9450.02100.101.642026-05-27 08:20:06.1200.1172-0.231.0039.3
SENINCH2026-05-27 08:20:03.4500.0300-0.011.612026-05-27 08:20:10.3690.2392-0.570.6254.8
LSDGU2026-05-27 08:20:02.9900.02900.101.642026-05-27 08:20:08.9800.3422-0.860.4355.2
VANNICH2026-05-27 08:20:04.1050.03300.251.122026-05-27 08:20:10.8350.2912-0.650.5758.7
CIROGU2026-05-27 08:20:04.2600.0511-0.051.492026-05-27 08:20:11.4000.1822-1.020.2961.0
SATIGU2026-05-27 08:20:05.9200.03800.021.592026-05-27 08:20:14.7510.3092-0.690.5671.6
MMKCH2026-05-27 08:20:07.0450.04100.061.562026-05-27 08:20:16.7590.3732-0.160.9679.6
LAUCHCH2026-05-27 08:20:08.1400.04200.251.15--:---.-----.---.-- 82.9
OGMOFR--:---.-----.---.--2026-05-27 08:20:17.0700.4242-0.580.6783.8
SIMPLCH2026-05-27 08:20:08.9400.0631-0.091.322026-05-27 08:20:20.2160.3682-0.090.9689.3
RSPGU2026-05-27 08:20:08.8200.05110.081.49--:---.-----.---.-- 91.2
FIESACH2026-05-27 08:20:11.7750.0541-0.121.242026-05-27 08:20:25.2330.51530.060.81105.3
RRLGU2026-05-27 08:20:12.3800.0571-0.340.822026-05-27 08:20:25.9400.4362-0.520.70113.7
BHBGU2026-05-27 08:20:14.7100.06310.640.32--:---.-----.---.-- 125.0
FUSIOCH2026-05-27 08:20:18.0900.16520.360.85--:---.-----.---.-- 144.0
PZZGU2026-05-27 08:20:20.0590.08010.330.92--:---.-----.---.-- 159.6
MUGIOCH2026-05-27 08:20:21.0750.08510.570.50--:---.-----.---.-- 161.9


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
MRGE IV1.801.41e+021.1155SI
DIX CH1.805.02e-139.365SI
LSD GU1.601.34e-155.2165SI
CIRO GU2.102.00e-161.0128SI
SATI GU2.101.57e-171.695SI
MMK CH1.906.86e-279.680SI
RSP GU1.706.44e-291.2164SI
RRL GU2.004.95e-2113.7186SI
BHB GU1.803.27e-2125.0169SI
PZZ GU1.904.22e-2159.6175SI


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.
(°)
BLANCGUHHZ3.2295e-43.5291e-50.0000e+01.6735e-53.0081e-54.2924e-55.4957e-45.8740e-53.7698e-65.6436e-711.6-1
BLANCGUHHN7.6187e-46.9407e-50.0000e+02.4528e-54.3445e-54.3445e-58.8286e-46.9585e-55.0160e-69.0042e-711.6-1
BLANCGUHHE3.9143e-44.0477e-50.0000e+02.5338e-54.9197e-56.9530e-55.2118e-41.2765e-46.0272e-68.0632e-711.6-1
MRGE IVHHZ2.4741e-42.0810e-50.0000e+04.1943e-68.8305e-61.2903e-55.9176e-51.7319e-51.2969e-61.8393e-721.1155
MRGE IVHHN4.3640e-44.8291e-50.0000e+06.5776e-61.3375e-51.3375e-51.3520e-42.0631e-52.1207e-63.0203e-721.1155
MRGE IVHHE2.9307e-42.9289e-50.0000e+05.1745e-61.0522e-51.5326e-59.6375e-51.3758e-51.5883e-62.6191e-721.1155
DIX CHHHZ7.3707e-58.8298e-60.0000e+05.3741e-69.6191e-61.4150e-51.1504e-42.8316e-51.3691e-62.0585e-739.365
DIX CHHHN1.0878e-41.0457e-50.0000e+06.0873e-61.1046e-51.1046e-51.3558e-42.6752e-51.1361e-61.9801e-739.365
DIX CHHHE7.7846e-57.7500e-60.0000e+04.4952e-68.2079e-61.1829e-51.1575e-41.3552e-58.7508e-71.7841e-739.365
LSD GUHHZ2.1226e-52.2238e-60.0000e+01.2070e-62.3293e-63.3942e-62.4388e-53.1298e-62.4691e-75.1778e-855.2165
LSD GUHHN3.1441e-52.6327e-60.0000e+01.4478e-62.7594e-62.7594e-63.4090e-54.1101e-62.8756e-76.0057e-855.2165
LSD GUHHE2.5830e-53.5530e-60.0000e+01.7578e-63.3532e-64.9664e-64.0803e-55.0620e-63.4948e-78.6302e-855.2165
CIRO GUHHZ2.2755e-52.3329e-60.0000e+01.2649e-62.3081e-63.4101e-62.2665e-53.9901e-63.2602e-75.7778e-861.0128
CIRO GUHHN2.7827e-53.5996e-60.0000e+01.5228e-62.7013e-62.7013e-63.0102e-55.5527e-63.2975e-76.0958e-861.0128
CIRO GUHHE2.5354e-52.6912e-60.0000e+01.2721e-62.4756e-63.6228e-64.5300e-53.4489e-62.0887e-74.9967e-861.0128
SATI GUHHZ1.6295e-51.8226e-60.0000e+09.9662e-71.8174e-62.6578e-63.0530e-51.8233e-62.4750e-74.6524e-871.695
SATI GUHHN3.1806e-53.4392e-60.0000e+01.6200e-63.0909e-63.0909e-65.6985e-53.9138e-63.3369e-77.0775e-871.695
SATI GUHHE3.3105e-54.2499e-60.0000e+02.1808e-64.1445e-66.0609e-67.2942e-53.7171e-63.2295e-79.4048e-871.695
MMK CHHHZ9.7117e-61.2631e-60.0000e+08.4448e-71.5335e-62.1593e-62.1692e-52.1850e-61.8301e-73.5495e-879.680
MMK CHHHN1.0054e-51.1514e-60.0000e+08.7114e-71.5007e-61.5007e-62.3584e-52.4975e-61.8198e-72.8632e-879.680
MMK CHHHE7.8640e-61.0232e-60.0000e+06.9670e-71.2334e-61.7430e-61.9142e-52.7973e-61.4689e-72.2264e-879.680
RSP GUHHZ5.1754e-69.0819e-70.0000e+05.4412e-79.6336e-71.3843e-61.0958e-51.5386e-69.8064e-82.1153e-891.2164
RSP GUHHN5.9378e-68.6012e-70.0000e+07.7829e-71.2219e-61.2219e-61.2754e-53.0523e-61.2515e-72.0766e-891.2164
RSP GUHHE5.6980e-61.1645e-60.0000e+08.4292e-71.4374e-61.9906e-62.0465e-53.3724e-61.9547e-72.6576e-891.2164
RRL GUHHZ7.7419e-72.0067e-70.0000e+02.1301e-74.1404e-75.3751e-72.9504e-69.7507e-71.3075e-77.6196e-9113.7186
RRL GUHHN1.3067e-63.4036e-70.0000e+03.5571e-76.7771e-76.7771e-73.9874e-61.6390e-61.4214e-71.2902e-8113.7186
RRL GUHHE1.1232e-63.4225e-70.0000e+03.6164e-77.0817e-79.2178e-72.3552e-61.9225e-61.6728e-71.3043e-8113.7186
BHB GUHHZ4.8736e-68.1002e-70.0000e+04.1573e-78.1022e-71.1761e-61.8257e-51.3081e-62.2909e-71.5251e-8125.0169
BHB GUHHN3.2532e-65.1636e-70.0000e+04.7229e-77.7126e-77.7126e-77.7680e-61.8147e-69.8796e-81.2441e-8125.0169
BHB GUHHE2.4913e-63.2870e-70.0000e+02.5844e-74.4296e-76.2192e-75.8643e-61.3011e-61.5612e-79.8578e-9125.0169
PZZ GUHHZ2.0973e-65.1882e-70.0000e+04.5637e-77.2994e-79.8699e-77.1391e-61.7026e-61.1749e-71.3984e-8159.6175
PZZ GUHHN1.2387e-64.8632e-70.0000e+03.3523e-75.6645e-75.6645e-73.3320e-62.0861e-61.1530e-71.1903e-8159.6175
PZZ GUHHE2.3052e-65.7952e-70.0000e+04.6280e-77.2016e-79.6390e-74.2938e-61.7487e-67.0942e-81.1830e-8159.6175
*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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