MANUAL Location - Area: Valdarno inferiore , magnitude (ML): 1.5
2022-06-28 04:01:44 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-06-28 09:05:46

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Earthquake info - Manual location
Event - ID :220628040050
Magnitude (ML) :1.5 +/- 0.2
Origin Time :2022-06-28 04:01:44.567 (UTC)
Location : Latitude: 43.669 N, Longitude: 11.055 E
Area :Valdarno inferiore
Depth (km) :17.07
Distances (km) : 3.3 --- Montespertoli
7.6 --- Montelupo Fiorentino
9.8 --- Castelfiorentino
10.4 --- Empoli
10.4 --- Capraia e Limite
10.6 --- San Casciano in Val di Pesa
12.1 --- Lastra a Signa
13.0 --- Signa
13.5 --- Certaldo
14.2 --- Scandicci
15.2 --- Tavarnelle Val di Pesa
16.2 --- Impruneta
16.4 --- Poggio a Caiano
16.4 --- Gambassi Terme
16.4 --- Carmignano
16.6 --- San Miniato
16.6 --- Vinci
16.9 --- Barberino Val d Elsa
17.1 --- Montaione
17.4 --- Cerreto Guidi

Quality location estimate: Erh: 0.9 km, Erz: 1.6 km, Nf: 18, Gap: 139 °, Rms: 0.27


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.
CSNTIV2022-06-28 04:01:51.2500.0200-0.011.492022-06-28 04:01:56.1600.14740.191.4533.5
RUFIIV2022-06-28 04:01:53.2200.02710.341.302022-06-28 04:01:59.4540.14040.351.1644.4
PIIIV2022-06-28 04:01:53.1700.02710.011.502022-06-28 04:01:58.1200.1414-1.260.0346.3
POPMGU2022-06-28 04:01:53.8700.0311-0.041.422022-06-28 04:02:00.9200.15540.111.4151.2
MAIMGU2022-06-28 04:01:55.0100.03210.321.332022-06-28 04:02:01.7800.2246-0.260.8355.5
BDIIV2022-06-28 04:01:55.7500.03510.291.372022-06-28 04:02:02.8300.2326-0.630.3059.8
CARDGU2022-06-28 04:01:57.2300.09941.390.102022-06-28 04:02:04.3920.04000.251.3663.1
LMDIV2022-06-28 04:01:57.7000.0401-0.180.922022-06-28 04:02:07.3400.2156-0.370.6571.3
EQUIGU2022-06-28 04:02:02.0700.05021.610.102022-06-28 04:02:12.2750.04000.211.2692.6


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PII IVHH1.411.36e-146.3278
POPM GUHH1.221.48e-151.2330
MAIM GUHH1.255.82e-255.5301
BDI IVHH1.701.98e-159.8320
CARD GUHH1.601.13e-163.1311
EQUI GUHH1.584.51e-292.6308


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 IVHHZ4.3813e-61.0632e-67.7287e-71.9861e-71.0030e-71.0562e-53.7858e-61.4510e-72.4240e-846.3278
PII IVHHN4.8257e-61.3488e-61.1848e-64.2990e-72.0700e-71.4578e-51.1248e-52.6232e-73.7843e-846.3278
PII IVHHE4.2750e-61.2425e-69.4300e-72.7534e-71.3444e-71.4894e-56.8220e-62.0693e-72.9222e-846.3278
POPM GUHHZ4.2673e-67.7470e-75.7697e-72.2060e-78.9111e-81.7231e-52.4605e-61.2148e-71.9392e-851.2330
POPM GUHHN9.1263e-62.0437e-61.5193e-63.5220e-71.8029e-73.2791e-56.5449e-62.7776e-74.5892e-851.2330
POPM GUHHE8.6716e-61.8493e-61.3583e-63.1545e-71.5515e-72.8445e-56.1017e-62.2437e-74.5312e-851.2330
MAIM GUHHZ2.8133e-64.0468e-72.9954e-71.4073e-75.3092e-88.9348e-61.4621e-66.3110e-89.8104e-955.5301
MAIM GUHHN4.0690e-67.5305e-74.4961e-72.3303e-79.2296e-81.3436e-52.2670e-61.3233e-71.6954e-855.5301
MAIM GUHHE2.7844e-66.2518e-73.1658e-71.6324e-76.1052e-86.7614e-61.8793e-68.9872e-81.5823e-855.5301
BDI IVHHZ4.0773e-61.3394e-69.5183e-72.3888e-71.3124e-71.0567e-56.1295e-62.1003e-73.4388e-859.8320
BDI IVHHN8.3519e-61.8104e-61.6971e-65.8209e-72.8363e-72.3754e-51.1473e-53.9958e-76.1696e-859.8320
BDI IVHHE6.3776e-61.7009e-61.3161e-64.3992e-71.9082e-73.0112e-58.7374e-62.8493e-74.6099e-859.8320
CARD GUHHZ3.4850e-64.5111e-73.6002e-71.7606e-76.6246e-81.0810e-51.3162e-69.3793e-81.3531e-863.1311
CARD GUHHN8.3118e-61.8567e-61.0047e-62.4464e-71.4100e-73.2252e-53.5785e-62.3370e-74.1715e-863.1311
CARD GUHHE5.9433e-61.1441e-68.1349e-72.5548e-71.0008e-72.2374e-53.2357e-61.4508e-72.6153e-863.1311
EQUI GUHHZ1.1355e-63.1004e-72.6069e-71.4421e-77.5139e-82.7555e-61.6413e-68.8565e-89.4374e-992.6308
EQUI GUHHN1.6696e-64.4106e-74.1511e-71.6470e-79.4230e-84.8087e-62.7199e-61.3023e-71.3477e-892.6308
EQUI GUHHE1.5849e-63.1993e-73.1377e-71.2666e-75.0082e-84.9563e-61.6120e-67.3228e-88.9737e-992.6308
*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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