MANUAL Location - Area: Garfagnana , magnitude (ML): 0.4
2025-06-12 14:55:19 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-06-13 08:27:24

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Earthquake info - Manual location
Event - ID :250612145448
Magnitude (ML) :0.4 +/- 0.2
Origin Time :2025-06-12 14:55:19.661 (UTC)
Location : Latitude: 44.042 N, Longitude: 10.728 E
Area :Garfagnana
Depth (km) :5.02
Distances (km) : 3.4 --- Piteglio
5.4 --- San Marcello Pistoiese
7.0 --- Cutigliano
11.5 --- Bagni di Lucca
12.4 --- Marliana
12.6 --- Abetone
14.3 --- Villa Basilica
14.7 --- Massa e Cozzile
16.1 --- Borgo a Mozzano
16.4 --- Coreglia Antelminelli
16.6 --- Pescia
16.7 --- Fiumalbo
17.3 --- Serravalle Pistoiese
17.8 --- Uzzano
18.0 --- Montecatini-Terme
18.0 --- Buggiano
18.8 --- Lizzano in Belvedere
18.8 --- Pieve a Nievole
19.2 --- Pistoia
19.2 --- Fanano

Quality location estimate: Erh: 0.7 km, Erz: 0.4 km, Nf: 14, Gap: 142 °, Rms: 0.08


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.
POPMGU2025-06-12 14:55:21.1200.00300.051.402025-06-12 14:55:22.1030.0400-0.021.456.0
BDIIV2025-06-12 14:55:22.1700.0060-0.011.482025-06-12 14:55:23.9600.0400-0.101.0412.2
CARDGU2025-06-12 14:55:23.7200.01000.111.052025-06-12 14:55:26.4710.0400-0.071.2220.4
MAIMGU2025-06-12 14:55:24.5100.01200.160.722025-06-12 14:55:27.9000.07420.021.3024.3
VLCMN2025-06-12 14:55:25.5100.01500.061.362025-06-12 14:55:30.8020.04001.060.0030.7
SARMGU2025-06-12 14:55:25.5100.0492-0.061.302025-06-12 14:55:30.1300.09420.190.7131.1
PIIIV2025-06-12 14:55:27.2000.0201-0.110.982025-06-12 14:55:32.0840.1002-0.950.0039.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
POPM GUHH0.722.37e+06.083
BDI IVHH0.341.77e-112.2282
CARD GUHH0.436.90e-220.4265
MAIM GUHH0.202.60e-224.3233
VLC MNHH0.241.45e-230.7296
SARM GUEH0.727.37e-231.1301
PII IVHH0.442.01e-239.5205


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.
(°)
POPM GUHHZ4.8231e-45.6167e-51.3064e-55.0809e-62.5396e-64.9635e-47.5499e-53.7177e-65.2348e-76.083
POPM GUHHN2.3965e-43.2810e-52.4332e-58.7737e-64.3445e-66.2888e-41.4807e-46.0182e-67.3441e-76.083
POPM GUHHE1.3287e-42.3396e-51.7574e-59.7884e-64.1146e-64.7891e-46.7750e-55.3349e-66.5197e-76.083
BDI IVHHZ1.4601e-52.5801e-69.6829e-73.7123e-73.1275e-73.3894e-55.2979e-64.4653e-73.5723e-812.2282
BDI IVHHN1.5193e-52.4119e-61.5371e-66.4960e-75.4094e-73.5282e-56.5901e-69.0977e-75.5036e-812.2282
BDI IVHHE1.6798e-53.2028e-61.8632e-66.9592e-73.4379e-73.5161e-59.9727e-64.8382e-76.4570e-812.2282
CARD GUHHZ3.6776e-65.3744e-73.3900e-71.0735e-71.0366e-79.2195e-61.1742e-62.0783e-71.6100e-820.4265
CARD GUHHN8.0118e-61.4710e-66.9529e-71.7521e-78.7104e-83.4221e-53.0898e-61.5875e-73.4081e-820.4265
CARD GUHHE7.0626e-69.1392e-74.8783e-71.3010e-76.4455e-82.1093e-51.7119e-69.5100e-81.7576e-820.4265
MAIM GUHHZ1.8784e-62.5977e-71.6744e-78.5491e-85.1966e-83.6420e-67.8448e-78.0098e-87.2736e-924.3233
MAIM GUHHN2.2286e-63.5773e-72.8740e-79.1084e-84.8047e-86.6391e-61.7926e-66.6524e-89.0331e-924.3233
MAIM GUHHE1.9046e-62.6813e-72.1655e-71.1420e-73.8295e-84.4995e-61.2684e-65.1573e-87.0502e-924.3233
VLC MNHHZ1.3709e-62.7847e-71.3089e-73.8618e-81.9339e-84.5547e-65.1808e-73.1588e-86.1588e-930.7296
VLC MNHHN1.4287e-62.1611e-71.3328e-76.4527e-83.1896e-83.1725e-65.5956e-73.5061e-85.0509e-930.7296
VLC MNHHE1.6845e-62.4950e-71.1721e-73.5517e-81.8144e-82.6955e-64.2935e-72.6756e-84.2959e-930.7296
SARM GUEHZ1.7692e-64.0609e-74.2432e-71.9591e-77.1770e-84.6562e-63.2261e-61.0099e-71.2940e-831.1301
SARM GUEHN2.0654e-66.5480e-75.3086e-72.2155e-79.4173e-83.1524e-62.2503e-61.3709e-71.8902e-831.1301
SARM GUEHE1.3862e-65.3837e-75.3718e-73.3850e-71.1160e-73.3222e-63.0440e-61.4900e-71.8092e-831.1301
PII IVHHZ1.4282e-62.1745e-71.5433e-75.0195e-82.3924e-82.2161e-66.0733e-73.4180e-85.8695e-939.5205
PII IVHHN1.1006e-61.3147e-71.2914e-74.4465e-81.8382e-82.2606e-68.9865e-72.5873e-83.3373e-939.5205
PII IVHHE8.3846e-72.5961e-71.8114e-77.2916e-82.7767e-82.1968e-67.5856e-73.6480e-86.5618e-939.5205
*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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