MANUAL Location - Area: Costa toscana settentrionale , magnitude (ML): 1.0
2025-07-12 00:34:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-14 07:15:13

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Earthquake info - Manual location
Event - ID :250712003413
Magnitude (ML) :1.0 +/- 0.2
Origin Time :2025-07-12 00:34:34.172 (UTC)
Location : Latitude: 43.671 N, Longitude: 9.982 E
Area :Costa toscana settentrionale
Depth (km) :6.01
Distances (km) : 30.4 --- Livorno
30.8 --- Viareggio
34.1 --- Pisa
34.9 --- Vecchiano
36.0 --- Forte dei Marmi
36.4 --- Massarosa
37.7 --- Pietrasanta
38.3 --- San Giuliano Terme
39.6 --- Camaiore
40.8 --- Collesalvetti
41.0 --- Massa
41.1 --- Seravezza
41.7 --- Montignoso
42.8 --- Carrara
43.4 --- Calci
44.1 --- Ameglia
44.2 --- Stazzema
44.3 --- Fauglia
44.4 --- Portovenere
45.4 --- Lerici

Quality location estimate: Erh: 2.2 km, Erz: 3.3 km, Nf: 28, Gap: 129 °, Rms: 0.25


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.
CMEIT2025-07-12 00:34:42.4920.02000.580.202025-07-12 00:34:47.2530.0400-0.321.0941.0
PLMAIV2025-07-12 00:34:41.9600.0221-0.321.032025-07-12 00:34:47.6000.1243-0.620.5243.7
PIIIV2025-07-12 00:34:42.5800.0231-0.011.712025-07-12 00:34:47.8900.1303-0.910.2644.4
MAIMGU2025-07-12 00:34:43.0950.0200-0.241.232025-07-12 00:34:48.8000.1414-1.310.0849.3
CARDGU2025-07-12 00:34:44.0090.0602-0.041.662025-07-12 00:34:50.8600.1625-0.450.8656.6
EQUIGU2025-07-12 00:34:44.1730.02000.021.682025-07-12 00:34:51.5130.04000.081.4757.0
VLCMN2025-07-12 00:34:45.3800.02000.260.942025-07-12 00:34:53.2360.04000.061.4763.5
SARMGU2025-07-12 00:34:45.7700.0341-0.031.662025-07-12 00:34:54.6390.04000.261.0366.5
POPMGU2025-07-12 00:34:47.5390.02000.171.292025-07-12 00:34:56.6400.2186-0.550.7575.0
MSSAIV2025-07-12 00:34:48.5300.0402-0.071.602025-07-12 00:34:59.0300.2376-0.211.1781.0
GSCLGU2025-07-12 00:34:50.3620.02000.191.232025-07-12 00:35:01.2200.2837-0.720.5989.9
ERBMIV2025-07-12 00:34:50.2800.05520.031.552025-07-12 00:35:02.0720.0400-0.151.3090.2
GRAMGU2025-07-12 00:34:50.4980.02000.800.202025-07-12 00:35:03.5980.04002.870.0091.6
MORSIFR2025-07-12 00:34:51.6880.02000.910.142025-07-12 00:35:03.1690.0400-0.151.2994.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
CME ITHN0.956.05e-241.039
PLMA IVHH0.884.42e-243.7346
PII IVHH0.692.85e-244.482
MAIM GUHH0.984.02e-249.357
CARD GUHH1.286.71e-256.645
EQUI GUHH0.711.81e-257.014
VLC MNHH0.831.33e-263.531
SARM GUEH0.822.00e-266.530
POPM GUHH1.185.93e-275.056
MSSA IVHH0.851.16e-281.0333
GSCL GUHH1.373.03e-289.932
ERBM IVEH0.951.13e-290.222
GRAM GUHH1.324.72e-291.64


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.
(°)
CME ITHNZ2.8087e-64.3066e-74.0496e-72.9578e-71.6277e-75.3989e-62.0683e-62.0115e-71.5020e-841.039
CME ITHNN2.9974e-66.4379e-75.5100e-73.2305e-71.6471e-77.3741e-63.4259e-62.3172e-71.9251e-841.039
CME ITHNE4.7765e-66.8387e-75.6211e-73.0779e-71.5759e-77.7954e-63.2581e-61.8218e-71.9645e-841.039
PLMA IVHHZ2.8562e-63.4702e-71.9619e-77.9577e-84.6629e-87.6209e-69.3186e-74.9194e-87.6867e-943.7346
PLMA IVHHN2.8561e-64.3213e-72.7909e-71.2676e-78.9876e-81.0525e-59.9133e-71.1711e-71.1264e-843.7346
PLMA IVHHE3.5801e-65.8827e-74.1937e-71.1009e-76.1062e-89.3594e-61.8412e-69.1497e-81.5433e-843.7346
PII IVHHZ1.6868e-62.9982e-71.7430e-74.5012e-82.5337e-83.4290e-67.3091e-73.4852e-87.0387e-944.482
PII IVHHN1.6258e-63.9586e-72.3474e-79.0557e-83.5966e-85.3162e-61.9127e-65.2080e-88.7167e-944.482
PII IVHHE1.3857e-62.4811e-72.0590e-77.0089e-83.2102e-82.9590e-61.5394e-65.0333e-87.1120e-944.482
MAIM GUHHZ1.3084e-63.5217e-72.6914e-78.2459e-83.6254e-83.9689e-61.6547e-65.5501e-87.8141e-949.357
MAIM GUHHN1.7491e-63.7335e-73.4583e-71.6060e-77.4686e-85.7264e-62.3047e-69.2096e-81.0339e-849.357
MAIM GUHHE1.9448e-64.2763e-74.1081e-71.2452e-76.3848e-84.7754e-62.6513e-69.4761e-81.2504e-849.357
CARD GUHHZ3.1546e-66.0560e-72.3236e-77.7878e-83.5980e-85.9142e-61.6448e-65.6664e-81.3226e-856.645
CARD GUHHN8.7737e-61.1196e-66.2602e-71.5904e-77.4947e-82.5049e-51.8204e-61.2074e-72.4562e-856.645
CARD GUHHE7.4112e-61.0927e-64.7697e-71.7253e-77.5272e-81.6302e-51.6253e-61.2580e-72.6517e-856.645
EQUI GUHHZ1.6900e-61.5549e-78.8756e-84.8645e-83.0527e-82.4074e-64.1337e-73.2854e-83.3745e-957.014
EQUI GUHHN1.0300e-61.5409e-79.5726e-86.0305e-84.3640e-82.4734e-64.1090e-74.1789e-83.5831e-957.014
EQUI GUHHE1.0635e-62.3595e-71.7381e-76.1947e-83.3959e-84.1045e-68.7591e-74.2940e-86.1432e-957.014
VLC MNHHZ1.0394e-61.2391e-76.9379e-82.7309e-81.7144e-82.3543e-63.3059e-72.0332e-83.2970e-963.531
VLC MNHHN1.2696e-62.0496e-79.7584e-84.3028e-82.1526e-83.4623e-63.7014e-72.3685e-84.1831e-963.531
VLC MNHHE1.2828e-61.7544e-71.0884e-74.6579e-82.5026e-84.5091e-64.0752e-72.8590e-84.3538e-963.531
SARM GUEHZ7.1405e-71.1889e-78.8414e-84.0930e-81.7780e-81.4972e-64.1096e-72.2076e-82.8266e-966.530
SARM GUEHN9.5075e-71.9273e-71.4539e-79.9280e-84.2447e-82.9746e-67.7385e-74.9651e-85.4813e-966.530
SARM GUEHE7.2038e-71.5809e-71.2478e-79.7468e-83.4843e-82.4799e-64.5819e-74.5427e-85.4986e-966.530
POPM GUHHZ1.4634e-62.8709e-72.1004e-75.4981e-82.4591e-84.7394e-61.2848e-63.5212e-86.9274e-975.056
POPM GUHHN3.3945e-67.1264e-75.8857e-71.5078e-76.5285e-87.3879e-62.5822e-69.8582e-81.8185e-875.056
POPM GUHHE2.4814e-65.9147e-74.4945e-71.1808e-75.8321e-86.2787e-62.5569e-68.8320e-81.4290e-875.056
MSSA IVHHZ2.8403e-75.8339e-86.2710e-83.3145e-81.5169e-81.0701e-63.5893e-71.8195e-81.9277e-981.0333
MSSA IVHHN4.2858e-71.1577e-78.9268e-86.5755e-83.1582e-81.5425e-63.7246e-74.7036e-84.1847e-981.0333
MSSA IVHHE3.1494e-79.7624e-88.7058e-84.0460e-81.8362e-88.0148e-73.9098e-72.6238e-83.0150e-981.0333
GSCL GUHHZ3.5632e-75.9472e-86.0686e-83.4458e-81.8706e-81.3010e-63.4277e-72.2044e-81.8108e-989.932
GSCL GUHHN6.4153e-72.8502e-72.1947e-71.1881e-77.7368e-81.7871e-61.5385e-61.0968e-79.0627e-989.932
GSCL GUHHE5.9648e-72.0158e-71.8476e-79.4856e-86.4709e-82.0069e-61.3125e-61.0821e-76.3892e-989.932
ERBM IVEHZ5.7850e-78.1826e-85.1978e-83.8170e-81.7164e-81.5890e-62.7787e-72.3034e-82.0203e-990.222
ERBM IVEHN7.1411e-71.4948e-71.0756e-73.7493e-81.5971e-82.3502e-64.8405e-72.0414e-83.2807e-990.222
ERBM IVEHE6.5322e-71.0915e-77.3397e-82.2900e-81.3936e-82.1097e-64.0982e-72.2184e-82.3804e-990.222
GRAM GUHHZ7.1282e-71.4668e-71.4150e-75.8687e-82.8781e-81.0585e-68.4145e-73.6876e-84.4018e-991.64
GRAM GUHHN1.0152e-63.0350e-73.5899e-72.3939e-78.8055e-82.5180e-61.5770e-61.1446e-71.2627e-891.64
GRAM GUHHE1.2593e-64.3919e-73.8741e-71.3630e-76.1789e-82.0028e-61.9593e-68.4839e-81.3555e-891.64
MORSIFRHHZ1.9758e-74.1187e-83.9210e-81.7335e-81.1222e-87.2150e-72.6838e-71.6266e-81.2070e-994.4212
MORSIFRHHN2.7733e-75.4742e-83.9711e-81.4624e-81.0023e-87.5463e-72.1085e-71.5679e-81.6787e-994.4212
MORSIFRHHE1.5390e-73.8142e-83.7005e-81.4212e-87.5960e-95.1031e-72.0303e-71.0062e-81.0501e-994.4212
*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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