MANUAL Location - Area: Frignano , magnitude (ML): 0.8
2023-09-28 20:36:15 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-09-29 07:25:14

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Earthquake info - Manual location
Event - ID :230928203554
Magnitude (ML) :0.8 +/- 0.2
Origin Time :2023-09-28 20:36:15.709 (UTC)
Location : Latitude: 44.412 N, Longitude: 10.628 E
Area :Frignano
Depth (km) :10.53
Distances (km) : 6.1 --- Prignano sulla Secchia
6.2 --- Montefiorino
6.6 --- Toano
9.9 --- Baiso
10.0 --- Palagano
10.0 --- Carpineti
10.6 --- Polinago
12.9 --- Serramazzoni
13.6 --- Frassinoro
13.7 --- Castellarano
13.8 --- Villa Minozzo
14.1 --- Lama Mocogno
15.0 --- Viano
15.0 --- Casina
18.2 --- Castelnovo ne Monti
18.4 --- Pavullo nel Frignano
18.9 --- Sassuolo
19.5 --- Montecreto
20.1 --- Casalgrande
20.2 --- Riolunato

Quality location estimate: Erh: 1.1 km, Erz: 3.7 km, Nf: 20, Gap: 227 °, Rms: 0.17


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.
GSCLGU2023-09-28 20:36:18.6800.0070-0.011.942023-09-28 20:36:20.8430.2547-0.031.0913.5
ZCCAIV2023-09-28 20:36:22.6000.0150-0.011.852023-09-28 20:36:29.1170.04001.260.0930.6
SARMGU2023-09-28 20:36:22.2700.01700.350.352023-09-28 20:36:27.9970.04001.430.0933.2
BDIIV2023-09-28 20:36:23.3300.02010.061.662023-09-28 20:36:29.0400.12230.161.0940.6
POPMGU2023-09-28 20:36:23.8600.0221-0.071.542023-09-28 20:36:30.0400.1304-0.001.2743.5
CARDGU2023-09-28 20:36:24.1500.02310.031.732023-09-28 20:36:30.1940.2196-0.111.0245.8
EQUIGU2023-09-28 20:36:24.4300.02410.011.742023-09-28 20:36:30.5290.1002-0.190.9447.9
MAIMGU2023-09-28 20:36:25.4640.0803-0.640.232023-09-28 20:36:34.1970.04000.500.2757.6
PLMAIV2023-09-28 20:36:29.0200.03710.051.462023-09-28 20:36:38.4700.22460.050.9774.4
PIIIV2023-09-28 20:36:29.2900.1004-0.530.312023-09-28 20:36:39.3200.2777-0.650.3677.9


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GSCL GUHH0.612.16e-113.5205
ZCCA IVHH0.787.25e-230.6104
SARM GUEH0.817.88e-233.2216
BDI IVHH1.101.10e-140.6184
POPM GUHH0.971.17e-143.5166
CARD GUHH0.924.59e-245.8195
EQUI GUHH0.401.25e-247.9234
MAIM GUHH0.721.59e-257.6191
PLMA IVHH0.891.51e-274.4237
PII IVHH0.941.57e-277.9186


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.
(°)
GSCL GUHHZ1.2832e-51.8800e-61.0531e-65.7156e-74.9247e-72.4071e-56.3769e-67.9349e-74.5439e-813.5205
GSCL GUHHN8.5152e-62.3062e-62.3396e-68.8189e-73.9231e-72.8829e-51.1920e-54.7651e-76.5794e-813.5205
GSCL GUHHE7.0926e-61.6256e-61.5738e-65.4752e-73.0055e-72.1869e-59.3214e-63.8443e-74.2464e-813.5205
ZCCA IVHHZ2.2462e-63.3687e-73.2055e-71.4608e-75.3861e-83.6472e-62.8061e-66.9415e-81.0468e-830.6104
ZCCA IVHHN1.3921e-64.5988e-75.3584e-73.4653e-71.3298e-72.8402e-64.7398e-61.6107e-71.7403e-830.6104
ZCCA IVHHE2.3408e-64.3634e-74.0964e-73.9380e-71.7066e-73.2761e-63.0573e-62.0823e-72.7674e-830.6104
SARM GUEHZ1.9411e-52.5890e-65.3529e-71.2775e-75.9137e-82.1872e-52.0717e-61.0443e-72.9437e-833.2216
SARM GUEHN1.0023e-51.2145e-64.9762e-71.9848e-79.1304e-81.9563e-51.7160e-61.2575e-72.1205e-833.2216
SARM GUEHE1.1705e-51.2705e-66.3799e-72.5185e-71.1417e-71.1518e-54.0409e-61.5906e-72.2119e-833.2216
BDI IVHHZ6.3049e-67.9178e-74.3761e-71.5960e-77.0003e-88.6916e-61.7257e-61.0446e-71.2971e-840.6184
BDI IVHHN5.0373e-61.2891e-61.0474e-63.7036e-71.5952e-71.7578e-56.9026e-62.2860e-73.0222e-840.6184
BDI IVHHE5.7132e-69.4055e-76.5580e-72.4610e-71.1498e-71.5835e-55.2882e-61.6630e-72.6320e-840.6184
POPM GUHHZ4.3668e-65.5936e-74.8921e-72.4204e-71.0078e-71.3836e-52.5790e-61.3166e-71.5390e-843.5166
POPM GUHHN4.7250e-61.2372e-69.9738e-74.4932e-71.7594e-71.3259e-55.9560e-62.5267e-73.4237e-843.5166
POPM GUHHE3.3406e-68.9697e-77.5110e-74.7889e-72.4851e-71.5738e-55.2677e-62.9021e-72.9662e-843.5166
CARD GUHHZ3.1074e-63.6027e-71.6913e-76.9787e-84.2216e-86.3596e-61.0734e-65.0929e-87.8571e-945.8195
CARD GUHHN1.5805e-51.1637e-63.9853e-71.3269e-75.9563e-81.0379e-51.5485e-67.6929e-82.0167e-845.8195
CARD GUHHE2.5377e-52.3235e-64.2891e-71.4090e-77.2760e-81.4672e-51.2872e-61.7532e-73.5185e-845.8195
EQUI GUHHZ9.4927e-71.6216e-71.3290e-76.9465e-83.0601e-82.0563e-69.4355e-73.3178e-84.8028e-947.9234
EQUI GUHHN6.5662e-71.1484e-79.8332e-88.1028e-86.3371e-81.3131e-66.3706e-76.6910e-85.4964e-947.9234
EQUI GUHHE6.6552e-71.0499e-78.4836e-87.5371e-84.4941e-81.6162e-64.4225e-75.3559e-83.8864e-947.9234
MAIM GUHHZ4.5178e-79.6438e-87.0344e-84.6470e-81.7644e-81.2498e-65.3325e-71.8152e-82.9219e-957.6191
MAIM GUHHN6.7658e-71.4190e-71.4566e-79.4944e-83.5904e-82.1716e-69.0844e-73.7149e-84.4931e-957.6191
MAIM GUHHE6.1181e-71.2085e-71.1496e-76.9704e-83.3211e-81.5915e-65.9100e-73.9428e-83.6038e-957.6191
PLMA IVHHZ3.8960e-78.1107e-86.0490e-86.1569e-83.4365e-88.9180e-73.0848e-73.1911e-82.9779e-974.4237
PLMA IVHHN5.9908e-71.2663e-71.2423e-78.1168e-84.0461e-82.6207e-67.3603e-73.9270e-83.8442e-974.4237
PLMA IVHHE4.3538e-71.1244e-76.9491e-87.0410e-83.6688e-81.1710e-64.1740e-73.4600e-84.3804e-974.4237
PII IVHHZ4.7890e-71.1146e-79.0912e-83.0521e-81.6762e-81.2144e-63.8649e-72.1199e-82.9387e-977.9186
PII IVHHN5.7308e-71.3551e-71.1651e-73.9453e-81.7389e-81.8180e-67.1388e-72.5152e-83.8881e-977.9186
PII IVHHE4.9167e-71.6341e-71.4784e-75.7170e-82.1669e-81.6293e-69.1550e-73.0284e-84.2482e-977.9186
*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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