MANUAL Location - Area: Parmense , magnitude (ML): 2.1
2021-07-21 02:25:52 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-07-21 10:03:21

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Earthquake info - Manual location
Event - ID :210721022500
Magnitude (ML) :2.1 +/- 0.2
Origin Time :2021-07-21 02:25:52.543 (UTC)
Location : Latitude: 44.694 N, Longitude: 10.287 E
Area :Parmense
Depth (km) :25.27
Distances (km) : 3.2 --- Felino
5.1 --- Sala Baganza
5.6 --- Lesignano de Bagni
8.6 --- Collecchio
8.8 --- Langhirano
9.4 --- Traversetolo
10.7 --- Montechiarugolo
12.4 --- Neviano Degli Arduini
12.5 --- Parma
12.8 --- Montecchio Emilia
13.1 --- San Polo d Enza
13.5 --- Medesano
14.4 --- Canossa
14.6 --- Fornovo di Taro
14.9 --- Sant Ilario d Enza
15.1 --- Bibbiano
15.5 --- Noceto
16.0 --- Quattro Castella
16.6 --- Calestano
18.1 --- Terenzo

Quality location estimate: Erh: 1 km, Erz: 1.5 km, Nf: 47, Gap: 95 °, Rms: 0.37


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.
NEVIIV2021-07-21 02:25:57.5850.0200-0.630.502021-07-21 02:26:00.4690.0400-2.390.1328.6
GRAMGU2021-07-21 02:25:59.5600.0241-0.031.852021-07-21 02:26:05.0200.11530.041.6938.7
GSCLGU2021-07-21 02:26:02.2300.0261-0.370.942021-07-21 02:26:09.3150.0400-1.020.2052.0
SARMGU2021-07-21 02:26:03.9300.03610.061.792021-07-21 02:26:12.3200.1895-0.151.4063.2
CAVEIV2021-07-21 02:26:03.6810.0200-2.430.132021-07-21 02:26:13.0230.0400-4.250.0064.8
EQUIGU2021-07-21 02:26:03.7300.1236-0.331.102021-07-21 02:26:12.9000.19550.141.3964.9
RAVAIV2021-07-21 02:26:07.5050.02000.510.652021-07-21 02:26:17.1900.2116-1.620.1170.7
ZCCAIV2021-07-21 02:26:06.8900.05520.181.482021-07-21 02:26:19.3870.04001.560.1171.5
BOBIV2021-07-21 02:26:06.0800.04020.021.762021-07-21 02:26:17.5380.04000.860.3171.7
MSSAIV2021-07-21 02:26:06.5100.0391-0.101.632021-07-21 02:26:17.5000.23660.251.1978.6
BDIIV2021-07-21 02:26:06.6700.0733-0.041.702021-07-21 02:26:17.0050.2416-0.191.2778.9
CARDGU2021-07-21 02:26:06.7700.09340.081.652021-07-21 02:26:17.0220.5989-0.070.9780.1
GORRGU2021-07-21 02:26:07.7300.04120.111.632021-07-21 02:26:19.1200.2506-0.191.2483.3
POPMGU2021-07-21 02:26:07.9100.04320.001.722021-07-21 02:26:19.1600.2567-0.161.2685.2
TRESNI2021-07-21 02:26:09.8300.04720.390.942021-07-21 02:26:22.6430.04000.091.3993.1
OPPEIV2021-07-21 02:26:10.4800.0502-0.021.652021-07-21 02:26:23.4800.4859-1.130.38100.7
PIIIV2021-07-21 02:26:12.4100.05620.141.512021-07-21 02:26:26.7070.0400-0.011.35112.6
SEIIV2021-07-21 02:26:14.9840.02001.600.102021-07-21 02:26:30.0910.04000.311.09113.9
BALDNI2021-07-21 02:26:13.2400.0753-0.371.082021-07-21 02:26:28.9280.8029-0.570.69120.6
LMDIV2021-07-21 02:26:17.7200.06730.420.942021-07-21 02:26:34.9940.0400-1.410.19134.4
RUFIIV2021-07-21 02:26:17.9300.06931.300.002021-07-21 02:26:34.8370.0400-0.161.19138.4
PCPGU2021-07-21 02:26:18.6270.02003.110.002021-07-21 02:26:36.3230.04004.180.00141.3
DOSSST2021-07-21 02:26:17.0600.0763-0.510.842021-07-21 02:26:34.5960.0400-1.670.00151.6
OSSCIV2021-07-21 02:26:19.5680.02001.450.002021-07-21 02:26:38.1690.04001.040.34153.1
CSNTIV2021-07-21 02:26:20.1800.15270.960.292021-07-21 02:26:38.9550.0400-0.121.15159.6
GAGGST2021-07-21 02:26:18.8600.0834-0.480.912021-07-21 02:26:39.0820.04000.081.16165.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
NEVI IVHN2.514.44e+028.6169
GRAM GUHH2.433.72e+038.7218
SARM GUEH2.114.37e-163.2171
BOB IVHH1.811.27e-171.7277
MSSA IVHH2.312.84e-178.6236
BDI IVHH2.092.68e-178.9161
CARD GUHH1.931.43e-180.1168
GORR GUHH2.081.84e-183.3263
POPM GUHH1.882.25e-185.2152
PII IVHH1.987.17e-2112.6170
SEI IVHH2.502.31e-1113.9130
PCP GUHH2.105.73e-2141.3264
OSSC IVHH2.174.93e-2153.1149


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 IVHNZ8.8993e-51.5037e-58.2819e-64.9219e-63.3900e-69.6294e-55.5310e-54.1878e-62.6940e-728.6169
NEVI IVHNN9.3663e-53.8334e-52.8668e-52.0619e-51.2553e-51.9357e-41.7432e-41.6722e-51.1132e-628.6169
NEVI IVHNE5.9557e-52.7700e-52.5780e-51.4244e-55.5404e-61.6414e-41.4328e-47.6617e-69.0931e-728.6169
GRAM GUHHZ3.1916e-51.0498e-51.0502e-54.8344e-62.0777e-67.7094e-57.2477e-52.6001e-62.9223e-738.7218
GRAM GUHHN6.7249e-53.1241e-52.4783e-51.2709e-55.8612e-61.2349e-42.0292e-48.3278e-69.7723e-738.7218
GRAM GUHHE5.4802e-51.9859e-51.6885e-56.1996e-62.8833e-69.4001e-51.3259e-44.0599e-66.0614e-738.7218
GSCL GUHHZ2.1759e-66.7079e-77.7838e-76.4743e-72.8142e-75.7627e-65.0068e-63.3358e-72.6757e-852.0148
GSCL GUHHN5.2139e-61.8182e-61.8228e-69.8433e-73.7106e-79.9950e-61.1778e-54.5367e-75.0225e-852.0148
GSCL GUHHE4.9594e-61.5314e-61.9177e-61.0569e-64.1364e-78.4871e-61.3502e-54.9262e-75.3075e-852.0148
SARM GUEHZ4.0485e-61.3529e-61.4703e-68.4899e-73.8115e-79.7529e-67.4867e-64.9123e-74.7010e-863.2171
SARM GUEHN8.6770e-63.0246e-63.1502e-62.4245e-69.4542e-71.8222e-51.4016e-51.1995e-61.3261e-763.2171
SARM GUEHE5.9002e-62.5980e-62.4284e-61.9496e-66.4208e-71.1062e-51.3417e-58.0245e-78.0603e-863.2171
EQUI GUHHZ1.3018e-65.5417e-74.9180e-74.2265e-71.6843e-72.6067e-63.0453e-61.8459e-71.7200e-864.9190
EQUI GUHHN6.9835e-73.6108e-73.4909e-73.4158e-71.4513e-71.5430e-61.6468e-61.9365e-71.4936e-864.9190
EQUI GUHHE1.8636e-68.3711e-76.7748e-76.3323e-72.4400e-73.8827e-62.2616e-62.7917e-72.8700e-864.9190
ZCCA IVHHZ2.6379e-66.0689e-77.0663e-73.1144e-71.4560e-77.5217e-64.5597e-61.7882e-72.1039e-871.5125
ZCCA IVHHN1.8504e-67.1710e-78.2097e-77.2969e-72.5119e-75.3932e-67.2007e-62.8587e-72.4189e-871.5125
ZCCA IVHHE2.1404e-67.3755e-77.3287e-75.1827e-72.0870e-75.3456e-64.3327e-62.2278e-72.0735e-871.5125
BOB IVHHZ2.4948e-67.0840e-77.0319e-74.9826e-72.0297e-75.6133e-64.8070e-62.4990e-72.4476e-871.7277
BOB IVHHN6.4984e-61.1657e-61.0169e-66.5464e-73.1080e-76.9459e-66.8532e-63.9271e-73.5039e-871.7277
BOB IVHHE6.9920e-69.1353e-78.4215e-76.0515e-72.4160e-78.0518e-63.2104e-63.2414e-73.2216e-871.7277
MSSA IVHHZ5.1881e-61.0178e-66.5909e-73.3707e-71.3838e-71.2365e-53.2156e-61.4929e-72.3507e-878.6236
MSSA IVHHN2.2282e-53.7976e-62.3550e-65.8195e-73.0911e-76.7600e-58.4191e-64.4812e-79.8918e-878.6236
MSSA IVHHE2.5594e-54.4928e-62.8255e-67.2294e-73.3313e-71.6015e-48.9990e-65.2795e-71.1491e-778.6236
BDI IVHHZ3.6280e-61.4305e-61.4709e-61.1179e-65.2118e-79.0518e-66.9754e-67.1895e-74.8487e-878.9161
BDI IVHHN3.8653e-61.9719e-61.8762e-61.2862e-64.9186e-71.1472e-58.3456e-65.8365e-76.4977e-878.9161
BDI IVHHE4.5039e-61.7704e-61.6633e-61.3287e-64.7982e-79.5997e-67.4088e-65.2336e-75.7496e-878.9161
CARD GUHHZ3.0069e-69.9872e-77.4456e-75.9123e-72.8156e-79.3786e-64.0916e-63.7528e-73.7763e-880.1168
CARD GUHHN7.4810e-61.6162e-61.2336e-67.0738e-73.3262e-71.4833e-55.8757e-64.1460e-74.5574e-880.1168
CARD GUHHE5.9939e-61.3885e-61.3353e-65.6862e-72.2021e-71.8912e-54.4471e-63.1064e-73.6492e-880.1168
GORR GUHHZ2.9343e-61.0342e-61.0684e-66.0093e-73.3926e-71.0383e-51.0014e-54.1350e-73.4656e-883.3263
GORR GUHHN3.8726e-61.3375e-61.7045e-67.3545e-73.1919e-77.2415e-61.5540e-54.0658e-74.8909e-883.3263
GORR GUHHE3.5014e-61.2529e-61.3603e-67.1588e-72.5803e-78.2172e-66.4119e-63.1001e-73.7077e-883.3263
POPM GUHHZ4.1253e-61.4048e-61.1665e-65.8445e-72.5699e-71.2423e-56.1925e-63.2842e-73.7291e-885.2152
POPM GUHHN6.1955e-61.8256e-61.8228e-68.4835e-73.9940e-71.3440e-51.0307e-54.3358e-75.7549e-885.2152
POPM GUHHE7.6432e-62.5902e-62.3453e-69.3026e-73.5120e-71.2544e-51.3760e-54.6720e-76.7691e-885.2152
PII IVHHZ2.5422e-64.9690e-74.8527e-72.7333e-71.1427e-76.8552e-63.0626e-61.5619e-71.4822e-8112.6170
PII IVHHN2.1464e-65.8408e-76.3848e-73.3154e-71.2008e-74.0136e-64.0210e-61.5243e-71.9252e-8112.6170
PII IVHHE2.1284e-66.5495e-76.1632e-73.1021e-71.5164e-75.4143e-64.6829e-61.9976e-71.8903e-8112.6170
SEI IVHHZ1.5876e-68.0431e-78.8360e-75.0548e-71.6723e-73.2908e-64.8384e-62.4121e-72.9432e-8113.9130
SEI IVHHN3.6532e-61.6516e-61.4437e-61.0729e-63.7470e-74.6501e-61.0657e-53.9522e-74.8476e-8113.9130
SEI IVHHE2.6843e-67.6330e-78.1836e-77.4902e-72.4870e-74.0826e-64.6885e-63.0122e-73.0512e-8113.9130
BALD NIHHZ8.2264e-61.5773e-61.4438e-69.1280e-74.9480e-73.1304e-58.8223e-65.9647e-74.8448e-8120.621
BALD NIHHN2.1640e-54.9464e-64.5761e-62.0220e-66.9363e-75.8118e-51.7983e-58.0329e-71.1667e-7120.621
BALD NIHHE1.7096e-53.8184e-63.1142e-61.2708e-66.0679e-75.3065e-51.7601e-58.9295e-71.0693e-7120.621
PCP GUHHZ5.9115e-71.8672e-71.6307e-77.7553e-83.0467e-81.9981e-68.8182e-74.2511e-85.2365e-9141.3264
PCP GUHHN6.9227e-72.7627e-71.4528e-77.4220e-83.0898e-81.4877e-69.3394e-73.6110e-85.1772e-9141.3264
PCP GUHHE6.1380e-72.3765e-71.8485e-71.2097e-77.0572e-82.0109e-61.1056e-68.6409e-88.3451e-9141.3264
OSSC IVHHZ7.4551e-71.9306e-71.7968e-78.1331e-83.8198e-82.0472e-61.3761e-65.4271e-87.4766e-9153.1149
OSSC IVHHN7.8471e-71.8681e-71.6456e-76.6907e-83.6502e-82.4753e-61.0520e-64.1965e-86.3807e-9153.1149
OSSC IVHHE9.5614e-72.4006e-71.8369e-78.2355e-84.3921e-82.5312e-61.0815e-64.5193e-85.9712e-9153.1149
*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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