AUTOMATIC Location - Area: Alpi Graie , magnitude (ML): 1.3
2026-09-09 20:02:27 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-09-09 20:06:06

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Earthquake info - RsniPicker2 automatic location
Event - ID :260909200115
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2026-09-09 20:02:27.299 (UTC)
Location : Latitude: 45.631 N, Longitude: 6.880 E
Area :Alpi Graie
Depth (km) :6.02
Distances (km) : 11.0 --- La Thuile (AO)
14.3 --- Valgrisenche (AO)
17.0 --- Pre -Saint-Didier (AO)
18.7 --- Morgex (AO)
19.5 --- Courmayeur (AO)
19.7 --- La Salle (AO)
19.8 --- Rhemes-Notre-Dame (AO)
21.6 --- Rhemes-Saint-Georges (AO)
22.1 --- Avise (AO)
23.8 --- Arvier (AO)
24.3 --- Saint-Nicolas (AO)
24.9 --- Introd (AO)
26.1 --- Valsavarenche (AO)
26.8 --- Villeneuve (AO)
28.6 --- Saint-Pierre (AO)
29.5 --- Aymavilles (AO)
31.0 --- Sarre (AO)
31.6 --- Saint-Rhemy-En-Bosses (AO)
32.1 --- Jovencan (AO)
33.3 --- Gressan (AO)

Quality location estimate:
Erh: 1.2 km, Erz: 1.9 km, Nf: 21, Gap: 89°, Rms: 0.232 s
Stazioni validate: 11


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.
RSLFR2026-09-09 20:02:31.7800.0120-0.011.692026-09-09 20:02:34.2380.0651-0.520.6721.6
MRGEIV2026-09-09 20:02:32.0800.01200.001.692026-09-09 20:02:35.0290.0651-0.231.1321.7
BLANCGU2026-09-09 20:02:32.8300.01300.180.512026-09-09 20:02:35.9300.0751-0.330.9924.8
LSDGU2026-09-09 20:02:32.8800.01500.041.522026-09-09 20:02:36.0400.0851-0.500.7328.2
OGMOFR2026-09-09 20:02:36.3100.0450-0.091.472026-09-09 20:02:41.6080.3042-0.940.3749.9
CIROGU2026-09-09 20:02:36.5800.3202-1.160.222026-09-09 20:02:43.6300.1622-1.010.2554.0
RSPGU2026-09-09 20:02:38.4100.0310-0.031.512026-09-09 20:02:45.6600.1862-0.321.0561.9
DIXCH2026-09-09 20:02:39.2350.0931-0.161.332026-09-09 20:02:47.0920.2512-0.730.5564.9
RRLGU2026-09-09 20:02:41.2590.0400-0.291.092026-09-09 20:02:51.2300.3632-0.100.9179.5
BHBGU2026-09-09 20:02:43.6190.04700.051.242026-09-09 20:02:54.5900.2812-0.170.9893.7
PZZGU2026-09-09 20:02:49.0290.06410.061.10--:---.-----.---.-- 126.5


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
MRGE IV1.102.26e-121.742SI
LSD GU1.101.74e-128.2134SI
CIRO GU1.102.40e-254.093SI
RSP GU1.408.18e-261.9151SI
DIX CH1.406.05e-264.939SI
RRL GU1.201.79e-279.5185SI
BHB GU1.402.38e-293.7161SI
PZZ GU1.502.65e-2126.5172SI


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.
(°)
MRGE IVHHZ3.4645e-53.0596e-60.0000e+08.6578e-71.7431e-62.6186e-61.9652e-51.7150e-61.5553e-74.1744e-821.742
MRGE IVHHN7.4656e-57.1479e-60.0000e+02.1397e-64.3563e-64.3563e-66.1502e-54.3161e-64.7432e-71.0873e-721.742
MRGE IVHHE7.1487e-57.2016e-60.0000e+01.5067e-62.9058e-64.2355e-63.7302e-52.8557e-63.4564e-76.2133e-821.742
BLANCGUHHZ2.5446e-64.3868e-70.0000e+03.3920e-76.2244e-78.6765e-75.7205e-61.4499e-61.6078e-71.4596e-824.8-1
BLANCGUHHN3.5565e-66.2198e-70.0000e+04.6173e-78.0499e-78.0499e-71.0807e-52.3092e-62.0222e-72.1313e-824.8-1
BLANCGUHHE3.6801e-66.2472e-70.0000e+05.6779e-71.0575e-61.4005e-61.1930e-52.6939e-63.2396e-72.5714e-824.8-1
LSD GUHHZ1.8352e-53.6523e-60.0000e+02.0059e-63.9613e-65.8099e-64.8854e-55.2079e-63.7591e-76.9718e-828.2134
LSD GUHHN3.8895e-54.7705e-60.0000e+01.7418e-63.4183e-63.4183e-63.6744e-55.6969e-63.7417e-77.9816e-828.2134
LSD GUHHE3.4350e-53.7142e-60.0000e+01.5225e-62.7301e-63.8587e-63.7321e-53.8012e-62.3063e-75.1579e-828.2134
CIRO GUHHZ3.1137e-63.5804e-70.0000e+02.2711e-74.2159e-76.0121e-74.8018e-65.7545e-74.5031e-87.1854e-954.093
CIRO GUHHN4.3952e-66.0170e-70.0000e+03.1999e-75.8632e-75.8632e-71.0921e-55.8792e-76.2588e-81.2870e-854.093
CIRO GUHHE2.9110e-62.9107e-70.0000e+01.7937e-73.3523e-74.6671e-74.0719e-64.9383e-74.2413e-87.3106e-954.093
RSP GUHHZ5.3778e-68.5513e-70.0000e+04.4470e-77.6745e-71.0936e-67.9287e-61.1629e-69.4354e-81.6316e-861.9151
RSP GUHHN6.8143e-61.0824e-60.0000e+07.4692e-71.2323e-61.2323e-61.2448e-52.4992e-61.4759e-72.3403e-861.9151
RSP GUHHE5.4938e-67.6107e-70.0000e+06.1317e-71.0053e-61.3791e-61.5194e-52.4981e-61.1475e-71.9166e-861.9151
DIX CHHHZ5.8519e-66.6027e-70.0000e+04.8198e-78.7542e-71.2287e-61.3982e-51.6008e-61.4993e-72.1165e-864.939
DIX CHHHN4.4534e-66.3252e-70.0000e+05.9431e-71.0623e-61.0623e-61.0423e-52.1552e-61.8492e-72.0860e-864.939
DIX CHHHE6.9412e-69.3432e-70.0000e+05.5171e-71.0777e-61.5213e-61.1700e-51.7451e-61.6946e-71.7736e-864.939
RRL GUHHZ7.2579e-71.2548e-70.0000e+08.8795e-81.6816e-72.4361e-72.3288e-63.6384e-78.2307e-88.7436e-979.5185
RRL GUHHN1.2481e-62.7043e-70.0000e+01.8119e-73.0188e-73.0188e-74.5852e-68.9634e-75.5997e-87.8805e-979.5185
RRL GUHHE9.8461e-72.1258e-70.0000e+01.4348e-72.5821e-73.8002e-73.4212e-67.8941e-75.7070e-89.5260e-979.5185
BHB GUHHZ1.5189e-62.7807e-70.0000e+01.8646e-73.2083e-74.5748e-75.8842e-65.9698e-75.9464e-89.9335e-993.7161
BHB GUHHN2.2797e-64.7033e-70.0000e+02.4636e-74.3610e-74.3610e-76.2992e-67.6835e-75.5892e-81.1952e-893.7161
BHB GUHHE1.3639e-62.4724e-70.0000e+02.1427e-73.4310e-74.7869e-73.7997e-66.5111e-71.1803e-71.1618e-893.7161
PZZ GUHHZ6.8739e-71.8507e-70.0000e+01.6479e-72.8424e-73.9281e-72.2246e-65.7634e-71.2246e-71.0215e-8126.5172
PZZ GUHHN1.1404e-62.1378e-70.0000e+01.9722e-73.4495e-73.4495e-72.4839e-68.6019e-71.0292e-71.2838e-8126.5172
PZZ GUHHE9.2716e-73.0814e-70.0000e+02.2553e-73.9115e-75.3981e-72.3758e-69.5933e-71.0642e-71.4774e-8126.5172
*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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