MANUAL Location - Area: Zona Chianti , magnitude (ML): 1.4
2024-05-17 06:24:21 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2024-05-17 06:59:17

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Earthquake info - Manual location
Event - ID :240517062256
Magnitude (ML) :1.4 +/- 0.2
Origin Time :2024-05-17 06:24:21.922 (UTC)
Location : Latitude: 43.551 N, Longitude: 11.002 E
Area :Zona Chianti
Depth (km) :10.98
Distances (km) : 3.2 --- Certaldo
3.9 --- Gambassi Terme
6.6 --- Castelfiorentino
7.1 --- Montaione
9.8 --- San Gimignano
12.0 --- Montespertoli
13.8 --- Barberino Val d Elsa
14.0 --- Tavarnelle Val di Pesa
14.7 --- Poggibonsi
17.4 --- Colle di Val d Elsa
18.9 --- San Miniato
19.0 --- San Casciano in Val di Pesa
19.3 --- Empoli
19.5 --- Palaia
20.0 --- Volterra
20.4 --- Montelupo Fiorentino
21.6 --- Capraia e Limite
22.6 --- Peccioli
23.4 --- Casole d Elsa
23.5 --- Montopoli in Val d Arno

Quality location estimate: Erh: 1.8 km, Erz: 2.1 km, Nf: 24, Gap: 186 °, Rms: 0.33


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.
OSSCIV2024-05-17 06:24:26.5170.02000.021.792024-05-17 06:24:29.7300.0400-0.041.7623.0
CSNTIV2024-05-17 06:24:27.1500.0150-0.500.762024-05-17 06:24:30.7800.0742-0.970.4427.1
PIIIV2024-05-17 06:24:29.7600.0291-0.400.832024-05-17 06:24:34.7740.1374-1.360.2344.2
RUFIIV2024-05-17 06:24:31.8000.0301-0.071.662024-05-17 06:24:39.1900.1865-0.001.3352.9
MAIMGU2024-05-17 06:24:32.3200.0321-0.041.712024-05-17 06:24:39.0990.1785-0.800.5958.5
POPMGU2024-05-17 06:24:33.1100.03310.400.492024-05-17 06:24:40.7100.18250.011.3159.4
SEIIV2024-05-17 06:24:34.1700.04120.280.792024-05-17 06:24:42.8370.3938-0.261.0563.9
BDIIV2024-05-17 06:24:34.0000.0371-0.001.652024-05-17 06:24:42.4000.2036-0.480.9366.5
CMEIT2024-05-17 06:24:34.4360.0200-0.440.882024-05-17 06:24:43.3080.0400-0.960.4972.8
LMDIV2024-05-17 06:24:37.1700.0452-0.091.502024-05-17 06:24:48.0100.5039-0.770.7282.1
SARMGU2024-05-17 06:24:37.0690.0200-0.021.572024-05-17 06:24:48.9540.04000.730.1986.1
EQUIGU2024-05-17 06:24:38.9440.02000.240.982024-05-17 06:24:49.7080.0400-1.230.3697.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OSSC IVHH1.354.61e-123.099
PII IVHH1.281.11e-144.2296
MAIM GUHH1.255.19e-258.5315
POPM GUHH1.351.48e-159.4340
SEI IVHH1.922.30e-163.927
BDI IVHH1.336.73e-266.5330
CME ITHN1.649.03e-272.8309
SARM GUEH1.556.00e-286.1326
EQUI GUHH1.352.43e-297.0315


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.
(°)
OSSC IVHHZ1.6159e-52.4530e-61.7713e-67.5832e-72.6413e-72.9385e-55.8360e-63.6478e-75.6709e-823.099
OSSC IVHHN2.1627e-54.8900e-63.1616e-61.6053e-65.2186e-76.9438e-51.4026e-58.0985e-71.3865e-723.099
OSSC IVHHE3.1184e-56.0748e-64.2542e-61.7376e-66.8891e-71.0273e-41.6545e-59.7719e-71.4944e-723.099
PII IVHHZ4.7737e-69.1356e-76.8032e-71.5534e-77.4807e-81.0137e-53.7352e-61.1264e-72.1520e-844.2296
PII IVHHN4.7661e-61.2917e-61.0740e-63.4338e-71.5034e-71.2356e-56.9785e-62.0376e-73.1366e-844.2296
PII IVHHE4.7234e-61.0381e-68.5443e-72.7748e-71.3824e-71.5157e-57.0665e-62.0275e-72.5519e-844.2296
MAIM GUHHZ4.8161e-67.6874e-73.7128e-71.1272e-75.0870e-81.3715e-52.1747e-68.3872e-81.8679e-858.5315
MAIM GUHHN4.0876e-67.8634e-75.5808e-71.8135e-77.7302e-81.7207e-53.2712e-61.0592e-71.7050e-858.5315
MAIM GUHHE4.1072e-67.7040e-74.6087e-71.3953e-76.6760e-81.6372e-51.6524e-68.4096e-81.8472e-858.5315
POPM GUHHZ4.3506e-66.2657e-75.2059e-71.9332e-77.7054e-81.3789e-53.0275e-69.7262e-81.4477e-859.4340
POPM GUHHN7.5359e-61.6247e-61.3587e-64.2310e-71.9156e-72.9230e-56.0467e-62.6545e-74.6815e-859.4340
POPM GUHHE6.2143e-61.4554e-61.2456e-63.9160e-71.8006e-71.7781e-57.3391e-62.6191e-73.4097e-859.4340
SEI IVHHZ2.9513e-61.0368e-69.4567e-73.9719e-71.7624e-75.8134e-67.7493e-62.2467e-73.3583e-863.927
SEI IVHHN4.0295e-61.7214e-61.7135e-61.3192e-64.0552e-77.1426e-69.7696e-64.7963e-75.6027e-863.927
SEI IVHHE3.6596e-68.8734e-79.3521e-75.9507e-72.3248e-75.9645e-65.8306e-62.9856e-72.8260e-863.927
BDI IVHHZ2.8194e-64.4111e-73.7021e-71.5434e-75.5784e-85.8200e-62.1959e-67.7884e-81.1802e-866.5330
BDI IVHHN4.0129e-67.3024e-75.3731e-71.6735e-79.0623e-81.2397e-53.0638e-61.1861e-71.7118e-866.5330
BDI IVHHE4.1309e-67.5200e-77.5224e-72.6731e-71.1107e-71.9358e-54.5803e-61.5952e-72.3482e-866.5330
CME ITHNZ2.9393e-66.9450e-75.2091e-73.3968e-72.0951e-77.3086e-63.4032e-62.6500e-71.9361e-872.8309
CME ITHNN4.1521e-61.0084e-69.1507e-74.4617e-73.1801e-71.2029e-54.3832e-63.7068e-72.6677e-872.8309
CME ITHNE5.1486e-69.5515e-77.1993e-73.9349e-72.7844e-71.3583e-53.1652e-63.1746e-72.6214e-872.8309
SARM GUEHZ5.4372e-71.9300e-71.9124e-71.2233e-74.7593e-81.5710e-61.1967e-66.2225e-86.5629e-986.1326
SARM GUEHN1.2870e-63.6184e-72.9718e-74.0295e-71.5991e-72.3856e-69.6983e-71.8551e-71.6570e-886.1326
SARM GUEHE1.0239e-63.5103e-73.2629e-72.0843e-78.3676e-82.3654e-62.1653e-69.6716e-81.0750e-886.1326
EQUI GUHHZ1.3835e-62.3760e-72.0906e-71.0013e-75.5172e-83.3954e-68.6938e-76.7634e-89.3110e-997.0315
EQUI GUHHN1.7183e-63.0263e-72.4521e-71.4821e-77.8347e-87.8085e-69.8670e-78.2593e-88.9068e-997.0315
EQUI GUHHE1.1412e-62.1163e-71.9529e-79.6254e-85.3627e-83.5980e-68.9920e-75.6867e-87.0125e-997.0315
*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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