AUTOMATIC Location - Area: Appennino pistoiese , magnitude (ML): 1.5
2026-03-15 23:30:29 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-03-15 23:33:49

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Earthquake info - RsniPicker2 automatic location
Event - ID :260315232852
Magnitude (ML) :1.5 +/- 0.4
Origin Time :2026-03-15 23:30:29.49 (UTC)
Location : Latitude: 44.049 N, Longitude: 10.863 E
Area :Appennino pistoiese
Depth (km) :54.23
Distances (km) : 5.7 --- San Marcello Pistoiese (PT)
8.0 --- Piteglio (PT)
9.7 --- Granaglione (BO)
10.2 --- Cutigliano (PT)
12.6 --- Sambuca Pistoiese (PT)
12.9 --- Lizzano in Belvedere (BO)
13.4 --- Pistoia (PT)
14.7 --- Marliana (PT)
15.1 --- Porretta Terme (BO)
15.9 --- Serravalle Pistoiese (PT)
17.5 --- Gaggio Montano (BO)
17.7 --- Montale (PT)
18.0 --- Massa e Cozzile (PT)
18.5 --- Fanano (MO)
18.9 --- Castel di Casio (BO)
19.1 --- Abetone (PT)
19.4 --- Montemurlo (PO)
19.5 --- Pieve a Nievole (PT)
19.7 --- Montecatini-Terme (PT)
19.8 --- Cantagallo (PO)

Quality location estimate:
Erh: 3.1 km, Erz: 2.8 km, Nf: 18, Gap: 102°, Rms: 0.223 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.
POPMGU2026-03-15 23:30:38.0600.03100.201.052026-03-15 23:30:43.2000.5133-0.640.6454.9
CARDGU2026-03-15 23:30:38.9700.03500.021.702026-03-15 23:30:45.8200.18720.131.1762.2
MAIMGU2026-03-15 23:30:39.2900.0350-0.041.632026-03-15 23:30:45.9140.4532-0.500.7463.6
ZCCAIV2026-03-15 23:30:40.6800.0350-0.061.562026-03-15 23:30:47.7300.4732-1.630.1564.4
SARMGU2026-03-15 23:30:39.9500.0370-0.051.592026-03-15 23:30:46.8890.2622-0.620.5867.3
GSCLGU--:---.-----.---.--2026-03-15 23:30:49.3600.20220.290.8367.4
PIIIV2026-03-15 23:30:40.6600.03900.061.632026-03-15 23:30:48.4100.2122-0.450.7670.7
RUFIIV--:---.-----.---.--2026-03-15 23:30:49.2400.3562-1.360.2078.6
EQUIGU2026-03-15 23:30:41.6600.04700.091.532026-03-15 23:30:50.0490.2382-0.131.1379.4
PLMAIV2026-03-15 23:30:43.3890.0511-0.450.582026-03-15 23:30:53.4930.7993-0.720.5497.2


RsniPicker2 - Automatic magnitude (ML) calculation results
Station Net Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth Used
POPM GU1.007.97e-254.9267SI
CARD GU1.902.36e-162.2265SI
MAIM GU1.405.48e-263.6243SI
ZCCA IV1.701.32e-164.415SI
SARM GU0.902.17e-267.3292SI
GSCL GU1.701.12e-167.4327SI
PII IV2.002.28e-170.7217SI
EQUI GU1.202.93e-279.4283SI
PLMA IV1.604.20e-297.2270SI


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.
(°)
POPM GUHHZ1.3024e-51.0581e-60.0000e+04.7288e-79.1052e-71.3304e-61.0768e-51.3742e-67.7424e-82.0013e-854.9267
POPM GUHHN1.3474e-51.5263e-60.0000e+01.0317e-61.7493e-61.7493e-63.1373e-52.6920e-61.9555e-73.4523e-854.9267
POPM GUHHE9.6782e-61.4804e-60.0000e+07.9195e-71.4600e-62.0890e-62.4518e-53.0548e-61.2868e-73.6126e-854.9267
CARD GUHHZ1.0753e-51.0387e-60.0000e+05.0636e-71.0176e-61.5140e-62.0875e-59.1179e-72.2542e-72.3902e-862.2265
CARD GUHHN2.8599e-53.1095e-60.0000e+01.3532e-62.3973e-62.3973e-64.7749e-53.0305e-63.3008e-74.3664e-862.2265
CARD GUHHE3.4942e-55.9551e-60.0000e+01.4065e-62.4840e-63.4318e-65.2752e-52.1751e-63.9131e-74.8008e-862.2265
MAIM GUHHZ4.8434e-65.1819e-70.0000e+03.0128e-75.5035e-77.7687e-71.0279e-51.1356e-68.4972e-81.5345e-863.6243
MAIM GUHHN5.4240e-68.6630e-70.0000e+05.4109e-79.6263e-79.6263e-71.7372e-51.7248e-61.1815e-72.2358e-863.6243
MAIM GUHHE7.7206e-61.0528e-60.0000e+05.1420e-79.6957e-71.4258e-62.8692e-51.3231e-61.0349e-72.4333e-863.6243
ZCCA IVHHZ8.4918e-72.6038e-70.0000e+03.1063e-75.6697e-77.4251e-72.1238e-61.8512e-61.8163e-72.8025e-864.415
ZCCA IVHHN1.4645e-68.2971e-70.0000e+06.3792e-71.4240e-61.4240e-62.0921e-64.6157e-63.7812e-74.2010e-864.415
ZCCA IVHHE2.1703e-69.8629e-70.0000e+08.3401e-71.7566e-62.4004e-62.7438e-64.1450e-64.9481e-74.2322e-864.415
SARM GUEHZ1.1169e-61.7183e-70.0000e+01.2296e-72.4098e-73.4217e-72.3036e-65.2205e-78.4808e-81.2050e-867.3292
SARM GUEHN1.7947e-62.6461e-70.0000e+01.6794e-73.3483e-73.3483e-72.5337e-66.5585e-71.4094e-71.7930e-867.3292
SARM GUEHE1.5398e-62.3328e-70.0000e+01.4342e-73.0327e-74.3678e-71.6790e-67.7412e-71.1347e-71.6234e-867.3292
GSCL GUHHZ8.1609e-73.6898e-70.0000e+02.6866e-75.6903e-78.0957e-71.9182e-61.8596e-61.9700e-72.1626e-867.4327
GSCL GUHHN2.8851e-61.0723e-60.0000e+07.4881e-71.4054e-61.4054e-64.3244e-65.2139e-62.7938e-73.1407e-867.4327
GSCL GUHHE2.0756e-68.8008e-70.0000e+08.0513e-71.5322e-62.0169e-63.0676e-65.5957e-62.7523e-72.3833e-867.4327
PII IVHHZ7.2178e-61.5874e-60.0000e+01.1346e-61.8386e-62.4994e-61.2442e-56.9656e-61.8890e-73.2798e-870.7217
PII IVHHN7.2829e-61.6552e-60.0000e+01.1507e-62.0420e-62.0420e-61.9907e-56.0203e-62.0601e-73.4880e-870.7217
PII IVHHE1.0558e-52.4343e-60.0000e+01.9278e-63.3057e-64.5301e-62.6636e-58.0205e-64.6866e-76.2829e-870.7217
EQUI GUHHZ3.1161e-62.8487e-70.0000e+01.8950e-73.3376e-74.6567e-75.8451e-65.7884e-79.1197e-81.2524e-879.4283
EQUI GUHHN4.5999e-65.7038e-70.0000e+02.9156e-75.8013e-75.8013e-75.1884e-61.0534e-69.6704e-81.5472e-879.4283
EQUI GUHHE3.2697e-63.8462e-70.0000e+02.1398e-73.9992e-76.0562e-76.4522e-64.5382e-71.2618e-71.4559e-879.4283
PLMA IVHHZ2.3689e-62.9231e-70.0000e+01.5265e-73.3371e-75.8284e-73.2845e-64.3629e-72.5470e-72.1001e-897.2270
PLMA IVHHN3.4143e-64.2483e-70.0000e+03.3290e-76.5483e-76.5483e-76.5451e-61.2194e-63.9114e-72.3421e-897.2270
PLMA IVHHE3.8638e-63.9419e-70.0000e+02.2648e-75.2892e-77.8204e-78.1665e-65.8331e-72.2945e-72.7221e-897.2270
*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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