AUTOMATIC Location - Area: Lunigiana , magnitude (ML): 1.0
2026-05-25 22:27:32 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-05-25 22:31:27

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Earthquake info - RsniPicker2 automatic location
Event - ID :260525222631
Magnitude (ML) :1.0 +/- 0.3
Origin Time :2026-05-25 22:27:32.27 (UTC)
Location : Latitude: 44.244 N, Longitude: 10.158 E
Area :Lunigiana
Depth (km) :16.27
Distances (km) : 2.7 --- Fivizzano (MS)
4.8 --- Casola in Lunigiana (MS)
5.9 --- Comano (MS)
8.0 --- Giuncugnano (LU)
9.0 --- Minucciano (LU)
9.8 --- Licciana Nardi (MS)
11.8 --- Sillano (LU)
13.0 --- Piazza al Serchio (LU)
15.0 --- Collagna (RE)
15.4 --- Bagnone (MS)
15.5 --- Aulla (MS)
16.3 --- Fosdinovo (MS)
16.9 --- Ligonchio (RE)
16.9 --- Tresana (MS)
17.0 --- Camporgiano (LU)
17.2 --- San Romano in Garfagnana (LU)
17.4 --- Villafranca in Lunigiana (MS)
17.5 --- Vagli Sotto (LU)
17.7 --- Podenzana (MS)
19.0 --- Careggine (LU)

Quality location estimate:
Erh: 2 km, Erz: 1.8 km, Nf: 19, Gap: 86°, Rms: 0.177 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.
VLCMN2026-05-25 22:27:37.2300.05110.211.102026-05-25 22:27:40.5400.07910.121.5626.2
SARMGU2026-05-25 22:27:37.2900.0070-0.031.722026-05-25 22:27:40.8800.0791-0.061.4426.2
GRAMGU2026-05-25 22:27:38.2090.01700.041.832026-05-25 22:27:42.3240.10320.051.5832.8
PLMAIV--:---.-----.---.--2026-05-25 22:27:42.0620.1262-1.380.0636.3
CARDGU2026-05-25 22:27:39.7000.01500.590.232026-05-25 22:27:44.1880.11720.201.2339.0
GSCLGU2026-05-25 22:27:40.1600.01400.011.802026-05-25 22:27:45.7300.1192-0.061.2939.7
BDIIV--:---.-----.---.--2026-05-25 22:27:46.1830.24320.460.6643.6
MAIMGU--:---.-----.---.--2026-05-25 22:27:46.6500.1452-0.290.5948.2
MSSAIV--:---.-----.---.--2026-05-25 22:27:47.1600.7433-1.950.0754.1
POPMGU2026-05-25 22:27:42.2990.02200.201.232026-05-25 22:27:49.8490.25620.750.2955.1
PIIIV2026-05-25 22:27:44.2200.0310-0.051.472026-05-25 22:27:52.0200.2012-0.870.1067.0
MTRZIV--:---.-----.---.--2026-05-25 22:28:04.3100.44520.080.75102.4


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
SARM GU0.801.09e-126.2109SI
GRAM GU1.001.75e-132.8345SI
PLMA IV1.301.83e-136.3229SI
CARD GU1.101.04e-139.0133SI
GSCL GU0.905.44e-239.771SI
BDI IV0.502.36e-243.6120SI
MAIM GU0.802.55e-248.2144SI
MSSA IV0.802.44e-254.1279SI
POPM GU1.008.59e-255.1115SI
PII IV1.203.59e-267.0153SI
MTRZ IV1.502.87e-2102.485SI


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.
(°)
VLC MNHHZ4.4942e-64.7990e-70.0000e+02.9663e-75.6559e-78.0248e-76.7679e-61.0205e-61.3345e-71.0504e-826.2-1
VLC MNHHN5.4963e-68.0826e-70.0000e+04.7645e-78.9861e-78.9861e-71.9341e-51.1679e-61.0774e-71.6562e-826.2-1
VLC MNHHE5.4346e-66.3857e-70.0000e+04.0548e-77.1716e-71.0585e-61.1357e-51.0601e-61.5554e-71.8356e-826.2-1
SARM GUEHZ5.2301e-69.5299e-70.0000e+05.4121e-79.8367e-71.4100e-61.4072e-52.0936e-69.8248e-81.6467e-826.2109
SARM GUEHN8.2092e-61.2002e-60.0000e+08.1839e-71.4835e-61.4835e-62.4664e-52.3690e-62.4170e-72.7834e-826.2109
SARM GUEHE6.7841e-61.1250e-60.0000e+07.7541e-71.2818e-61.7246e-61.2175e-53.1351e-62.5980e-73.5642e-826.2109
GRAM GUHHZ1.1488e-41.7247e-50.0000e+01.2143e-52.0701e-52.9167e-53.7136e-43.5510e-52.1774e-64.3383e-732.8345
GRAM GUHHN1.6946e-43.4221e-50.0000e+02.5660e-54.4915e-54.4915e-53.2135e-48.8862e-54.0646e-67.1121e-732.8345
GRAM GUHHE1.7837e-43.6593e-50.0000e+03.0551e-54.9817e-56.7845e-54.5170e-41.4796e-44.4360e-69.1979e-732.8345
PLMA IVHHZ2.3523e-52.1202e-60.0000e+08.5657e-71.5219e-62.1250e-62.3015e-54.3841e-62.5485e-74.3412e-836.3229
PLMA IVHHN2.2252e-53.9493e-60.0000e+01.2243e-62.2005e-62.2005e-64.4712e-53.8159e-62.5718e-74.3172e-836.3229
PLMA IVHHE3.6155e-53.7704e-60.0000e+01.4843e-62.7219e-63.8796e-64.6446e-55.6766e-63.2633e-75.2999e-836.3229
CARD GUHHZ1.4337e-51.5021e-60.0000e+06.9735e-71.3725e-62.0188e-62.0579e-51.4325e-61.1332e-72.7920e-839.0133
CARD GUHHN2.1858e-52.5372e-60.0000e+01.4566e-62.7494e-62.7494e-65.4794e-52.2507e-62.1067e-75.1081e-839.0133
CARD GUHHE1.7259e-51.8779e-60.0000e+01.2274e-62.1170e-62.9550e-63.7383e-52.8893e-62.2752e-73.9624e-839.0133
GSCL GUHHZ1.7156e-63.0258e-70.0000e+02.4168e-74.5780e-76.4136e-76.9541e-69.5412e-71.3165e-78.7020e-939.771
GSCL GUHHN2.2376e-65.5357e-70.0000e+06.1954e-79.5350e-79.5350e-76.2971e-63.0238e-61.6132e-71.6020e-839.771
GSCL GUHHE1.8711e-64.7936e-70.0000e+04.2212e-76.9784e-79.0153e-78.2775e-61.6462e-61.5141e-71.4934e-839.771
BDI IVHHZ1.7874e-62.1401e-70.0000e+01.2932e-72.3339e-73.2881e-73.3685e-65.4043e-72.6668e-84.5992e-943.6120
BDI IVHHN1.9818e-63.7156e-70.0000e+02.6300e-74.2329e-74.2329e-77.9806e-69.7067e-75.7640e-87.6436e-943.6120
BDI IVHHE2.0058e-62.9119e-70.0000e+02.1007e-73.5022e-74.8814e-76.2390e-67.7579e-74.7233e-87.0747e-943.6120
MAIM GUHHZ2.7513e-63.2833e-70.0000e+01.8973e-73.5817e-74.9874e-76.7004e-64.7034e-74.6329e-86.6003e-948.2144
MAIM GUHHN3.4046e-64.4980e-70.0000e+03.0539e-75.6848e-75.6848e-78.6543e-68.0573e-77.4516e-89.5329e-948.2144
MAIM GUHHE3.2680e-63.5780e-70.0000e+02.4755e-74.3452e-76.0121e-75.5462e-69.8551e-78.4003e-81.0016e-848.2144
MSSA IVHHZ6.9926e-79.6576e-80.0000e+05.8220e-81.1475e-71.5794e-71.6910e-61.8482e-72.1457e-83.1706e-954.1279
MSSA IVHHN1.2306e-61.8921e-70.0000e+08.5201e-81.5192e-71.5192e-72.4883e-63.3895e-72.5090e-82.6840e-954.1279
MSSA IVHHE7.3979e-71.1264e-70.0000e+08.0193e-81.3743e-71.8778e-71.6266e-62.7072e-72.9996e-82.4187e-954.1279
POPM GUHHZ7.9304e-61.1060e-60.0000e+05.9416e-71.1117e-61.6161e-61.7120e-51.0229e-68.3078e-82.4232e-855.1115
POPM GUHHN1.1782e-51.7313e-60.0000e+01.1622e-62.0602e-62.0602e-62.5046e-52.3914e-61.9030e-73.6678e-855.1115
POPM GUHHE9.7373e-61.3409e-60.0000e+08.5032e-71.5452e-62.1853e-61.3541e-52.4180e-61.6196e-73.1466e-855.1115
PII IVHHZ2.3869e-63.4492e-70.0000e+02.8463e-74.7106e-76.4728e-76.4856e-68.7941e-74.7264e-87.4933e-967.0153
PII IVHHN3.4784e-64.5149e-70.0000e+03.2802e-75.5770e-75.5770e-79.0830e-61.1820e-66.8378e-81.1349e-867.0153
PII IVHHE4.3653e-65.9753e-70.0000e+04.0270e-76.9819e-79.8094e-71.1849e-51.1856e-67.4493e-81.5185e-867.0153
MTRZ IVHHZ3.7073e-74.3553e-80.0000e+02.5826e-86.9866e-81.0641e-72.4130e-71.8552e-73.0996e-84.1809e-9102.485
MTRZ IVHHN1.1448e-61.2998e-70.0000e+05.8657e-81.5122e-71.5122e-79.7618e-72.7854e-74.9582e-85.9871e-9102.485
MTRZ IVHHE5.6595e-78.9261e-80.0000e+05.7636e-81.5953e-72.1716e-75.4620e-72.9173e-76.5794e-81.0833e-8102.485
*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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