MANUAL Location - Area: Parmense , magnitude (ML): 1.6
2021-07-17 15:38:55 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-07-19 10:18:59

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Earthquake info - Manual location
Event - ID :210717153833
Magnitude (ML) :1.6 +/- 0.2
Origin Time :2021-07-17 15:38:55.874 (UTC)
Location : Latitude: 44.681 N, Longitude: 10.282 E
Area :Parmense
Depth (km) :25.74
Distances (km) : 3.2 --- Felino
4.3 --- Lesignano de Bagni
5.6 --- Sala Baganza
7.4 --- Langhirano
9.0 --- Traversetolo
9.5 --- Collecchio
11.1 --- Neviano Degli Arduini
11.2 --- Montechiarugolo
12.7 --- San Polo d Enza
13.3 --- Montecchio Emilia
13.7 --- Canossa
13.9 --- Parma
13.9 --- Medesano
14.3 --- Fornovo di Taro
15.3 --- Bibbiano
15.4 --- Calestano
15.9 --- Quattro Castella
16.0 --- Sant Ilario d Enza
16.5 --- Noceto
17.1 --- Terenzo

Quality location estimate: Erh: 1 km, Erz: 1.3 km, Nf: 18, Gap: 140 °, 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.
NEVIIV2021-07-17 15:39:00.7830.0200-0.730.022021-07-17 15:39:04.5630.0400-1.560.0728.5
GRAMGU2021-07-17 15:39:02.7700.0200-0.021.592021-07-17 15:39:08.1940.12130.131.2238.0
SARMGU2021-07-17 15:39:07.0000.0321-0.021.492021-07-17 15:39:15.5090.18950.061.0562.2
EQUIGU2021-07-17 15:39:07.0950.0200-0.081.322021-07-17 15:39:15.5820.0400-0.101.1063.8
BOBIV2021-07-17 15:39:09.4400.06030.071.392021-07-17 15:39:19.9540.0400-0.031.1071.7
MSSAIV2021-07-17 15:39:09.8700.04520.101.352021-07-17 15:39:20.6600.26870.400.5977.7
BDIIV2021-07-17 15:39:09.9200.02000.061.422021-07-17 15:39:20.3200.28870.140.8277.9
POPMGU2021-07-17 15:39:11.2300.04320.151.202021-07-17 15:39:22.3500.26070.020.8684.4
TRESNI2021-07-17 15:39:13.0340.02000.021.332021-07-17 15:39:24.5890.0400-1.740.0794.7
DOSSST2021-07-17 15:39:20.2500.0753-0.820.002021-07-17 15:39:38.4910.0400-1.400.00153.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GRAM GUHH1.951.27e+038.0219
SARM GUEH1.601.39e-162.2170
BOB IVHH1.364.47e-271.7279
BDI IVHH1.578.33e-277.9160
POPM GUHH1.407.59e-284.4152


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.
(°)
NEVI IVHNZ5.0590e-57.2536e-62.8085e-61.1653e-65.3134e-74.5374e-51.8077e-55.9408e-79.5626e-828.5166
NEVI IVHNN4.5155e-51.3714e-51.0204e-56.4421e-63.2448e-68.7638e-56.3465e-54.0358e-63.7948e-728.5166
NEVI IVHNE2.4890e-59.8040e-68.8717e-64.7514e-61.9998e-66.4106e-54.9355e-52.6347e-63.2769e-728.5166
GRAM GUHHZ1.5811e-53.9380e-63.9678e-61.5010e-66.1551e-74.5061e-52.5400e-58.0222e-71.0683e-738.0219
GRAM GUHHN2.6369e-51.0335e-58.8893e-63.9675e-61.8009e-66.0118e-57.1190e-52.5822e-63.3801e-738.0219
GRAM GUHHE2.5362e-58.6466e-66.3466e-61.9963e-61.0591e-65.7423e-54.8439e-51.5356e-62.4687e-738.0219
SARM GUEHZ1.7755e-64.6209e-74.9334e-72.6139e-71.1388e-74.2025e-62.4333e-61.4843e-71.3684e-862.2170
SARM GUEHN2.9724e-69.9355e-71.0192e-67.4491e-72.9403e-78.2572e-64.4537e-64.0027e-74.1526e-862.2170
SARM GUEHE1.9918e-69.3961e-78.0838e-75.9637e-71.9774e-75.5681e-64.5494e-62.6541e-72.6465e-862.2170
EQUI GUHHZ6.6807e-72.0551e-71.6012e-71.2735e-75.2518e-81.2665e-69.5715e-74.8668e-85.4060e-963.8190
EQUI GUHHN4.0767e-71.1487e-71.0237e-79.6243e-84.1276e-88.5732e-74.0853e-75.6877e-84.0237e-963.8190
EQUI GUHHE7.4514e-72.8412e-72.0186e-71.6546e-76.2885e-82.3033e-67.0810e-77.2737e-87.5681e-963.8190
BOB IVHHZ9.7155e-72.3209e-72.2815e-71.6376e-76.4138e-82.9534e-61.5274e-67.3118e-88.2450e-971.7279
BOB IVHHN5.9091e-65.5657e-73.2606e-72.1214e-71.0368e-74.0338e-62.0633e-61.2598e-71.4471e-871.7279
BOB IVHHE4.1632e-63.6843e-72.8113e-71.9413e-77.5840e-84.2293e-69.4839e-71.0266e-71.0224e-871.7279
MSSA IVHHZ3.7364e-65.0261e-72.7179e-71.1566e-76.5949e-81.0268e-51.3289e-67.4268e-81.1819e-877.7236
MSSA IVHHN1.0979e-52.0660e-61.1336e-62.3644e-71.3179e-75.6517e-53.3389e-62.3489e-74.4086e-877.7236
MSSA IVHHE1.6982e-52.8446e-61.3630e-63.1046e-71.6967e-79.2563e-53.9385e-62.7859e-75.9000e-877.7236
BDI IVHHZ2.1154e-65.4877e-74.5260e-72.9361e-71.0279e-75.0208e-62.1008e-61.3833e-71.4813e-877.9160
BDI IVHHN2.0166e-67.0497e-76.5533e-74.0736e-71.6104e-75.9859e-63.1772e-61.8425e-72.1077e-877.9160
BDI IVHHE2.2696e-65.7210e-75.5485e-74.1812e-71.5733e-74.9190e-62.6715e-61.7127e-72.2507e-877.9160
POPM GUHHZ1.8537e-63.6693e-73.6136e-71.7234e-77.3267e-85.5499e-62.1329e-69.8280e-81.1699e-884.4152
POPM GUHHN2.0218e-65.5737e-75.5258e-72.6245e-71.2271e-76.0990e-63.1330e-61.4540e-71.8060e-884.4152
POPM GUHHE2.8815e-68.8252e-77.3578e-72.8399e-71.0375e-75.2176e-64.3579e-61.3949e-72.2553e-884.4152
*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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