MANUAL Location - Area: Versilia , magnitude (ML): 1.3
2022-11-24 17:55:38 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-11-25 11:22:04

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Earthquake info - Manual location
Event - ID :221124175515
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2022-11-24 17:55:38.542 (UTC)
Location : Latitude: 43.788 N, Longitude: 10.305 E
Area :Versilia
Depth (km) :6.02
Distances (km) : 6.7 --- Vecchiano
10.1 --- Massarosa
10.3 --- Viareggio
11.0 --- Pisa
11.3 --- San Giuliano Terme
17.1 --- Camaiore
17.3 --- Lucca
18.2 --- Calci
19.8 --- Pietrasanta
21.7 --- Pescaglia
22.3 --- Capannori
22.4 --- Forte dei Marmi
23.1 --- Cascina
23.4 --- Stazzema
23.7 --- Buti
23.9 --- Vicopisano
24.0 --- Seravezza
25.4 --- Fabbriche di Vallico
25.9 --- Porcari
26.0 --- Collesalvetti

Quality location estimate: Erh: 0.8 km, Erz: 1.9 km, Nf: 24, Gap: 196 °, Rms: 0.19


Manual location results
Station Net P arrival time P pick
err
P pick
weight
P res Nll
weight
S arrival time S pick
err
S pick
weight
S res Nll
weight
Dist.
PIIIV2022-11-24 17:55:42.8900.0110-0.011.682022-11-24 17:55:45.5000.0631-0.630.3520.0
MAIMGU2022-11-24 17:55:43.0700.01200.101.412022-11-24 17:55:46.0000.0681-0.270.7621.4
CARDGU2022-11-24 17:55:44.4000.01700.091.512022-11-24 17:55:48.6000.09520.001.4930.7
BDIIV2022-11-24 17:55:45.8100.0211-0.061.532022-11-24 17:55:51.2650.3798-0.090.8939.0
EQUIGU2022-11-24 17:55:46.2300.0472-0.260.782022-11-24 17:55:51.4800.1334-0.850.2544.2
SARMGU2022-11-24 17:55:46.7600.0241-0.031.622022-11-24 17:55:52.8470.1945-0.081.1645.3
POPMGU2022-11-24 17:55:47.3200.07830.290.562022-11-24 17:55:53.5300.13030.121.1546.6
PLMAGU2022-11-24 17:55:46.4790.0200-0.600.352022-11-24 17:55:53.3070.0400-0.011.4446.8
GSCLGU2022-11-24 17:55:50.8930.0200-0.111.342022-11-24 17:55:59.2430.1303-0.970.2066.8
GRAMGU2022-11-24 17:55:52.5400.02000.051.442022-11-24 17:56:02.4500.24360.040.9680.8
MSSAIV2022-11-24 17:55:53.5980.15060.121.132022-11-24 17:56:03.1210.1604-1.420.0686.4
RUFIIV2022-11-24 17:55:56.1300.0502-0.101.282022-11-24 17:56:08.9500.3778-0.440.6796.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
MAIM GUHH1.163.05e-121.447
BDI IVHH1.372.20e-139.037
EQUI GUHH1.178.60e-244.2344
SARM GUEH1.441.84e-145.310
POPM GUHH1.181.64e-146.652
PLMA GUHH1.055.67e-246.8309
GSCL GUHH1.599.66e-266.820
GRAM GUHH1.611.22e-180.8346


Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation
Station Net Channel PGA
(g)
PGV
(m/s)
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.
(°)
PII IVHHZ9.7465e-61.3874e-67.4818e-71.6600e-79.2043e-83.0766e-53.5420e-61.5991e-73.4024e-820.0112
PII IVHHN1.1110e-51.3208e-67.3861e-72.0707e-71.1549e-72.4693e-53.5656e-61.8971e-73.3958e-820.0112
PII IVHHE1.0038e-51.4946e-67.5916e-72.1134e-71.0017e-73.3999e-53.9268e-61.5749e-73.1923e-820.0112
MAIM GUHHZ2.7793e-54.2507e-63.6832e-62.2076e-68.1618e-75.1089e-51.5270e-51.0748e-61.4369e-721.447
MAIM GUHHN3.3955e-54.9688e-62.8888e-61.0522e-64.0457e-75.0819e-51.5090e-55.5938e-71.2068e-721.447
MAIM GUHHE1.9120e-53.1040e-61.6581e-64.7941e-72.9380e-75.4312e-59.7456e-64.0826e-77.5438e-821.447
CARD GUHHZ6.0505e-57.5052e-63.6099e-61.5867e-67.2561e-71.0927e-41.5217e-51.0835e-61.6419e-730.728
CARD GUHHN1.5109e-42.0935e-59.2965e-62.8448e-61.3797e-62.8320e-43.4292e-52.1836e-64.3015e-730.728
CARD GUHHE1.5812e-41.7126e-55.1075e-61.5870e-61.1960e-63.6268e-41.9136e-51.7246e-63.0208e-730.728
BDI IVHHZ1.5066e-52.3737e-61.1303e-63.7527e-71.9343e-72.4609e-56.6306e-63.1999e-75.6532e-839.037
BDI IVHHN1.5961e-53.0126e-61.7162e-66.6051e-73.2226e-75.6266e-56.9741e-64.9627e-78.0130e-839.037
BDI IVHHE2.0365e-53.2038e-61.7016e-67.6527e-73.8703e-73.8812e-57.8739e-65.7839e-76.0474e-839.037
EQUI GUHHZ1.8049e-52.2132e-65.1307e-71.8394e-71.1370e-72.2125e-51.7885e-61.8595e-73.7152e-844.2344
EQUI GUHHN1.9472e-52.4036e-66.5360e-71.5535e-79.4596e-84.2342e-52.1430e-61.8435e-74.4654e-844.2344
EQUI GUHHE1.4859e-51.9452e-65.0954e-71.2961e-78.6632e-82.7021e-52.5031e-61.8043e-73.9339e-844.2344
SARM GUEHZ7.2321e-61.1193e-66.9827e-73.5701e-71.2076e-72.0663e-52.9002e-61.6541e-72.6389e-845.310
SARM GUEHN1.3591e-52.4971e-61.1843e-69.8320e-73.6524e-73.5678e-53.7695e-64.7084e-75.1605e-845.310
SARM GUEHE2.2154e-52.6748e-67.0207e-72.7979e-71.3292e-73.2312e-53.4504e-62.2234e-75.2738e-845.310
POPM GUHHZ1.3568e-51.7948e-67.7558e-72.2029e-71.1038e-72.4836e-54.0805e-61.7681e-73.9969e-846.652
POPM GUHHN1.8693e-52.7264e-61.4570e-63.7766e-71.6576e-74.0362e-57.2372e-62.7371e-76.3467e-846.652
POPM GUHHE1.4281e-52.0749e-61.4637e-64.0734e-71.9260e-73.4583e-57.3511e-63.0632e-75.8038e-846.652
PLMA GUHHZ4.9535e-65.5587e-72.8792e-71.1988e-76.9025e-81.0115e-51.1423e-61.0264e-71.1669e-846.8309
PLMA GUHHN9.1925e-61.0328e-65.4954e-72.5228e-71.2897e-71.8433e-51.9988e-61.7634e-72.2535e-846.8309
PLMA GUHHE8.7783e-69.5273e-74.7179e-71.6979e-79.7619e-82.0311e-52.2833e-61.5733e-72.1013e-846.8309
GSCL GUHHZ2.0535e-64.5427e-73.1442e-71.3680e-78.6275e-85.3657e-61.4683e-61.0356e-71.2082e-866.820
GSCL GUHHN5.0361e-61.2239e-69.5729e-72.6270e-71.2526e-71.5242e-56.7340e-61.9907e-72.8875e-866.820
GSCL GUHHE3.7787e-69.1326e-79.1178e-73.4094e-71.3821e-71.0803e-55.0533e-62.0738e-72.4997e-866.820
GRAM GUHHZ4.1687e-67.5076e-74.4607e-71.2415e-76.5915e-87.7174e-61.5696e-69.6393e-81.5662e-880.8346
GRAM GUHHN6.6908e-61.4994e-61.0403e-62.9783e-71.3707e-71.7965e-55.5385e-61.9041e-73.5424e-880.8346
GRAM GUHHE4.9636e-61.4961e-61.1434e-63.3627e-71.5317e-71.1642e-56.7018e-62.2217e-74.2732e-880.8346
MSSA IVHHZ5.7831e-66.9191e-72.0467e-78.3741e-86.8790e-81.0088e-59.0575e-71.1139e-71.5836e-886.4313
MSSA IVHHN1.3742e-52.1564e-68.8593e-72.4231e-71.2938e-77.1625e-52.5869e-62.2262e-74.7814e-886.4313
MSSA IVHHE1.9611e-53.0562e-61.2763e-63.0918e-71.7469e-71.1246e-43.4910e-63.0102e-76.6722e-886.4313
*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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