MANUAL Location - Area: Valdarno inferiore , magnitude (ML): 0.6
2020-07-05 18:59:32 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2020-07-06 09:48:42

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Earthquake info - Manual location
Event - ID :200705185835
Magnitude (ML) :0.6 +/- 0.1
Origin Time :2020-07-05 18:59:32.975 (UTC)
Location : Latitude: 43.635 N, Longitude: 11.031 E
Area :Valdarno inferiore
Depth (km) :6.01
Distances (km) : 3.8 --- Montespertoli
5.8 --- Castelfiorentino
9.6 --- Certaldo
11.0 --- Montelupo Fiorentino
11.7 --- Empoli
12.2 --- Gambassi Terme
12.7 --- San Casciano in Val di Pesa
12.9 --- Capraia e Limite
13.1 --- Montaione
14.0 --- Tavarnelle Val di Pesa
15.2 --- Barberino Val d Elsa
15.5 --- San Miniato
16.3 --- Lastra a Signa
17.2 --- Signa
18.3 --- Scandicci
18.5 --- San Gimignano
18.5 --- Cerreto Guidi
18.8 --- Vinci
18.9 --- Impruneta
20.0 --- Carmignano

Quality location estimate: Erh: 0.9 km, Erz: 1.4 km, Nf: 16, Gap: 153 °, 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.
CSNTIV2020-07-05 18:59:39.0100.02000.021.782020-07-05 18:59:42.9950.0972-0.300.9128.2
PIIIV2020-07-05 18:59:40.9100.0211-0.081.712020-07-05 18:59:45.6400.1273-1.200.2142.3
RUFIIV2020-07-05 18:59:42.1900.02510.440.132020-07-05 18:59:48.2100.1354-0.021.4544.9
POPMGU2020-07-05 18:59:43.4040.02000.950.002020-07-05 18:59:49.2640.1534-0.330.9151.0
MAIMGU2020-07-05 18:59:42.8800.02810.111.342020-07-05 18:59:48.8390.1625-1.090.2353.6
SEIIV2020-07-05 18:59:43.4270.0602-0.001.712020-07-05 18:59:51.3800.2827-0.300.9453.9
ASQUIV2020-07-05 18:59:44.9500.0803-0.141.482020-07-05 18:59:54.1590.10020.081.2763.9
EQUIGU2020-07-05 18:59:49.0900.04720.011.542020-07-05 18:59:59.9000.5139-1.020.3892.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
PII IVHH0.723.39e-242.3284
POPM GUHH0.502.85e-251.0334
MAIM GUHH0.408.83e-353.6306
SEI IVHH0.691.94e-253.929
ASQU IVHH0.681.30e-263.973
EQUI GUHH0.423.22e-392.0310


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 IVHHZ6.8010e-69.1817e-72.5580e-76.3735e-83.2449e-84.1482e-61.0128e-65.4481e-89.9153e-942.3284
PII IVHHN3.7005e-64.7047e-72.9831e-77.3516e-84.1242e-85.4016e-61.8991e-66.3038e-81.3415e-842.3284
PII IVHHE3.6549e-64.4498e-72.4953e-76.5887e-83.4560e-87.0988e-61.1453e-65.2948e-89.9662e-942.3284
POPM GUHHZ2.2943e-62.3252e-71.3697e-73.4451e-81.9452e-84.1735e-68.6450e-72.7883e-84.5859e-951.0334
POPM GUHHN3.5204e-64.8988e-73.2411e-77.5341e-83.3753e-81.0411e-58.9925e-75.4761e-81.1483e-851.0334
POPM GUHHE1.7764e-63.3218e-72.8520e-76.4207e-83.1059e-84.5845e-61.7100e-64.5225e-88.0207e-951.0334
MAIM GUHHZ9.2777e-71.2650e-77.3760e-84.0266e-81.9939e-82.6942e-62.7267e-72.4927e-83.4400e-953.6306
MAIM GUHHN1.2659e-61.8919e-78.4595e-83.7008e-81.8195e-83.0457e-62.7978e-72.2373e-84.5055e-953.6306
MAIM GUHHE9.9823e-71.2224e-77.3488e-83.2507e-83.0326e-82.4422e-63.6981e-75.2347e-84.6999e-953.6306
SEI IVHHZ7.4637e-71.4768e-71.2929e-75.7323e-83.2611e-81.9604e-66.3121e-73.3735e-83.9603e-953.929
SEI IVHHN8.5626e-72.2829e-72.2134e-71.0018e-73.3697e-82.3320e-69.0665e-73.8210e-86.2950e-953.929
SEI IVHHE2.3067e-62.5831e-71.4463e-71.0866e-76.2605e-82.2509e-66.2081e-75.7341e-86.9376e-953.929
ASQU IVHHZ2.0446e-75.6549e-84.6192e-81.6430e-87.7292e-93.9296e-72.8270e-79.8180e-91.2281e-963.973
ASQU IVHHN4.9498e-71.3397e-71.0200e-73.7725e-81.9154e-87.9892e-77.6411e-72.8353e-84.0047e-963.973
ASQU IVHHE2.9977e-78.8822e-87.9470e-83.2488e-81.8041e-86.2682e-74.3757e-72.8546e-83.0816e-963.973
EQUI GUHHZ2.1936e-73.2078e-82.4909e-81.5056e-81.4525e-84.8715e-71.2319e-72.1007e-81.0618e-992.0310
EQUI GUHHN1.6075e-72.3506e-81.9997e-81.1678e-88.7275e-95.2968e-71.0196e-79.7963e-97.9471e-1092.0310
EQUI GUHHE2.4049e-74.8381e-82.9178e-81.4965e-81.2625e-88.8014e-71.3547e-71.9008e-82.0305e-992.0310
*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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