MANUAL Location - Area: Costa toscana settentrionale , magnitude (ML): 1.3
2025-03-05 05:16:57 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-03-05 08:37:02

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Earthquake info - Manual location
Event - ID :250305051603
Magnitude (ML) :1.3 +/- 0.2
Origin Time :2025-03-05 05:16:57.747 (UTC)
Location : Latitude: 43.552 N, Longitude: 10.294 E
Area :Costa toscana settentrionale
Depth (km) :6.08
Distances (km) : 2.2 --- Livorno
15.3 --- Collesalvetti
17.9 --- Fauglia
18.6 --- Orciano Pisano
19.5 --- Lorenzana
20.3 --- Pisa
21.7 --- Rosignano Marittimo
21.8 --- Crespina
23.6 --- Santa Luce
24.1 --- Lari
24.9 --- Cascina
26.3 --- Casciana Terme
26.4 --- San Giuliano Terme
26.5 --- Calci
26.7 --- Vecchiano
27.5 --- Castellina Marittima
28.1 --- Vicopisano
28.4 --- Ponsacco
29.1 --- Chianni
29.8 --- Calcinaia

Quality location estimate: Erh: 1.5 km, Erz: 2.2 km, Nf: 30, Gap: 132 °, Rms: 0.21


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.
PIIIV2025-03-05 05:17:03.3100.01500.041.622025-03-05 05:17:07.1100.0782-0.141.4527.2
MAIMGU2025-03-05 05:17:05.8600.0271-0.121.562025-03-05 05:17:11.4400.1233-0.520.5043.6
CARDGU2025-03-05 05:17:07.6900.0281-0.061.662025-03-05 05:17:14.3600.1564-0.690.3755.1
BDIIV2025-03-05 05:17:08.9400.0311-0.161.412025-03-05 05:17:16.7200.1765-0.680.4162.0
PLMAIV2025-03-05 05:17:09.2500.1195-0.231.152025-03-05 05:17:18.1120.04000.091.3265.9
POPMGU2025-03-05 05:17:09.8600.03410.230.982025-03-05 05:17:18.0200.2466-0.251.0166.5
VLCMN2025-03-05 05:17:09.7200.02000.011.622025-03-05 05:17:18.2610.0400-0.251.0968.2
EQUIGU2025-03-05 05:17:11.6900.08031.860.002025-03-05 05:17:18.9310.04000.270.9269.4
SARMGU2025-03-05 05:17:10.3600.03610.021.582025-03-05 05:17:19.7980.04000.191.1071.1
OSSCIV2025-03-05 05:17:11.6720.02000.320.712025-03-05 05:17:21.1330.04000.111.2377.0
CSNTIV2025-03-05 05:17:12.4360.0200-0.021.562025-03-05 05:17:22.0440.2476-0.860.3581.0
GSCLGU2025-03-05 05:17:14.5930.02000.081.402025-03-05 05:17:25.4300.2697-1.350.1692.0
MORSIFR2025-03-05 05:17:15.0660.0200-0.151.342025-03-05 05:17:26.8610.0400-1.490.10100.8
RUFIIV2025-03-05 05:17:16.0600.0522-0.131.362025-03-05 05:17:28.5680.0400-1.090.22102.9
ZCCAIV2025-03-05 05:17:17.2300.02000.151.232025-03-05 05:17:31.7320.16040.450.60104.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PII IVHH0.971.40e-127.244
MAIM GUHH1.471.60e-143.622
CARD GUHH1.661.70e-155.116
BDI IVHH1.337.88e-262.023
PLMA IVHH1.042.73e-265.9328
POPM GUHH1.291.01e-166.534
VLC MNHH1.162.45e-268.26
EQUI GUHH1.537.83e-269.4351
SARM GUEH1.295.07e-271.17
OSSC IVHH1.313.71e-277.092
GSCL GUHH1.716.23e-292.015
MORSIFRHH1.171.45e-2100.8229
ZCCA IVHH1.321.86e-2104.431


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 IVHHZ1.6067e-52.4554e-68.0203e-72.0921e-79.1817e-84.0008e-53.3224e-61.6304e-73.2771e-827.244
PII IVHHN7.9231e-61.0855e-69.1500e-73.2479e-71.2218e-72.1239e-54.5153e-61.6724e-72.5077e-827.244
PII IVHHE8.9427e-61.7375e-61.3247e-64.4738e-72.0772e-72.8519e-51.0584e-52.7947e-73.9677e-827.244
MAIM GUHHZ9.8124e-61.5718e-68.8386e-73.3210e-71.7852e-72.2789e-55.4863e-62.8504e-74.6115e-843.622
MAIM GUHHN8.9843e-61.6760e-61.2993e-65.2183e-72.3206e-72.7375e-56.9489e-63.2505e-74.7965e-843.622
MAIM GUHHE7.2446e-61.4250e-68.1745e-73.0734e-71.2919e-72.0136e-54.6551e-61.8192e-72.9828e-843.622
CARD GUHHZ6.1575e-61.0158e-65.2265e-72.1974e-78.5531e-82.0774e-52.3957e-61.2653e-72.4903e-855.116
CARD GUHHN1.3587e-53.0719e-61.4929e-64.2634e-72.4030e-75.4630e-54.8264e-63.8196e-77.6564e-855.116
CARD GUHHE1.4057e-52.0956e-61.2743e-63.1671e-71.6951e-74.4443e-58.1439e-62.6941e-74.2175e-855.116
BDI IVHHZ3.2639e-65.9825e-74.5322e-71.5381e-75.7520e-81.0364e-53.3625e-68.4545e-81.4213e-862.023
BDI IVHHN4.5195e-67.9859e-78.1800e-72.9179e-71.5615e-71.9969e-56.2080e-61.9321e-72.3337e-862.023
BDI IVHHE3.1921e-67.1525e-76.0132e-72.4175e-71.0246e-71.4606e-54.4866e-61.4494e-71.8817e-862.023
PLMA IVHHZ1.1674e-61.8753e-71.9643e-71.1776e-75.6838e-84.0554e-68.9128e-77.3169e-87.1426e-965.9328
PLMA IVHHN2.1654e-63.6724e-72.8646e-71.4339e-76.7572e-87.1621e-61.3333e-61.0842e-79.4010e-965.9328
PLMA IVHHE1.7428e-62.9768e-72.5399e-71.1682e-75.9658e-86.9248e-61.6113e-68.5333e-88.4125e-965.9328
POPM GUHHZ5.0226e-68.6031e-74.7058e-71.3283e-76.6921e-81.6732e-52.4358e-68.5905e-81.6090e-866.534
POPM GUHHN6.7528e-61.5390e-68.9491e-72.4261e-71.2227e-71.8970e-53.8319e-62.0693e-73.9258e-866.534
POPM GUHHE6.1634e-69.7961e-78.5150e-72.1588e-79.4124e-81.2506e-55.2039e-61.3713e-72.4630e-866.534
VLC MNHHZ2.0382e-63.0328e-71.8780e-77.8449e-84.1016e-85.0026e-68.4190e-74.8734e-87.0768e-968.26
VLC MNHHN2.6796e-64.2113e-72.5013e-79.9281e-86.0584e-86.4474e-68.0730e-77.6748e-88.9667e-968.26
VLC MNHHE2.3019e-63.9114e-72.3766e-71.1368e-74.7645e-88.2112e-61.0342e-65.3372e-88.5704e-968.26
EQUI GUHHZ3.8383e-63.6816e-72.2204e-71.1808e-76.2305e-84.5155e-61.1244e-67.0683e-87.8312e-969.4351
EQUI GUHHN1.9380e-63.2148e-72.7139e-71.4315e-75.4330e-85.4391e-61.4229e-67.0948e-89.0914e-969.4351
EQUI GUHHE2.0391e-65.6637e-74.0673e-74.7678e-74.9334e-74.9163e-62.2231e-68.7202e-73.8833e-869.4351
SARM GUEHZ2.1094e-64.6128e-72.6144e-78.5822e-84.1338e-85.1839e-61.1524e-65.5422e-81.1924e-871.17
SARM GUEHN1.6971e-63.9047e-73.2296e-72.8417e-71.2229e-75.1261e-61.1938e-61.3252e-71.1499e-871.17
SARM GUEHE2.1870e-64.4229e-72.9817e-71.6005e-77.9096e-87.3878e-61.2712e-61.0799e-71.3049e-871.17
OSSC IVHHZ6.7948e-71.5301e-71.4150e-78.6607e-84.2517e-81.5176e-67.9154e-75.9339e-84.6130e-977.092
OSSC IVHHN8.6470e-72.5579e-72.3589e-71.4774e-77.8449e-83.7649e-61.3330e-69.9960e-86.8731e-977.092
OSSC IVHHE1.2556e-63.9801e-73.3113e-71.7391e-77.6353e-84.5345e-69.9278e-71.0677e-71.2538e-877.092
GSCL GUHHZ1.2806e-62.5331e-72.2734e-79.8233e-84.2102e-85.1720e-61.2033e-65.3198e-87.0614e-992.015
GSCL GUHHN2.3011e-66.0059e-75.6377e-72.5366e-71.1144e-75.1082e-62.9025e-61.4958e-71.8594e-892.015
GSCL GUHHE2.5641e-67.5937e-75.9799e-72.5477e-79.5352e-85.6821e-62.6140e-61.2239e-72.2112e-892.015
MORSIFRHHZ4.4785e-71.3091e-71.2719e-77.0584e-83.1289e-81.4780e-66.6666e-73.5732e-83.7945e-9100.8229
MORSIFRHHN4.1945e-71.5893e-71.3300e-74.3054e-82.2450e-81.2009e-68.0667e-73.3721e-84.0791e-9100.8229
MORSIFRHHE5.3841e-71.4396e-71.1638e-75.7680e-82.5380e-81.3150e-66.1518e-73.0953e-83.8050e-9100.8229
ZCCA IVHHZ2.9437e-78.7832e-88.6251e-85.7946e-83.1660e-81.2680e-65.8718e-73.3961e-82.7141e-9104.431
ZCCA IVHHN3.0239e-79.6919e-89.9002e-87.7523e-83.6555e-88.4464e-78.6663e-73.5488e-83.7946e-9104.431
ZCCA IVHHE4.0946e-71.1345e-71.0880e-78.1642e-82.8711e-88.0060e-78.2845e-73.3525e-83.3536e-9104.431
*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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