MANUAL Location - Area: Frignano , magnitude (ML): 1.6
2021-02-15 22:04:38 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-02-16 10:17:25

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Earthquake info - Manual location
Event - ID :210215220414
Magnitude (ML) :1.6 +/- 0.3
Origin Time :2021-02-15 22:04:38.05 (UTC)
Location : Latitude: 44.392 N, Longitude: 10.453 E
Area :Frignano
Depth (km) :16.74
Distances (km) : 3.1 --- Villa Minozzo
6.5 --- Castelnovo ne Monti
8.7 --- Toano
9.0 --- Carpineti
10.5 --- Busana
12.0 --- Ligonchio
13.8 --- Vetto
13.8 --- Casina
14.0 --- Ramiseto
14.0 --- Montefiorino
14.3 --- Frassinoro
14.8 --- Collagna
17.0 --- Baiso
17.3 --- Palagano
19.9 --- Prignano sulla Secchia
21.3 --- Palanzano
21.8 --- Viano
22.1 --- Sillano
22.1 --- Polinago
23.2 --- Canossa

Quality location estimate: Erh: 0.8 km, Erz: 1.4 km, Nf: 28, Gap: 183 °, Rms: 0.16


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.
GSCLGU2021-02-15 22:04:42.4600.01300.021.602021-02-15 22:04:45.5800.0631-0.061.4621.0
SARMGU2021-02-15 22:04:43.6500.01800.320.722021-02-15 22:04:47.6800.08920.510.3529.5
VLCMN2021-02-15 22:04:43.9200.01900.220.982021-02-15 22:04:47.8900.09620.101.3331.6
FIVIGU2021-02-15 22:04:44.3920.02000.001.602021-02-15 22:04:48.7800.0400-0.111.2935.4
GRAMGU2021-02-15 22:04:44.7800.0261-0.011.592021-02-15 22:04:49.9000.11230.270.9437.1
EQUIGU2021-02-15 22:04:44.7400.0231-0.161.042021-02-15 22:04:49.8490.21260.101.1438.6
BDIIV2021-02-15 22:04:45.6200.0231-0.151.132021-02-15 22:04:51.1800.1273-0.161.0442.2
CARDGU2021-02-15 22:04:45.8600.0251-0.071.482021-02-15 22:04:51.7190.13440.181.1344.2
POPMGU2021-02-15 22:04:47.0300.02610.091.382021-02-15 22:04:53.8200.14740.430.6148.7
MAIMGU2021-02-15 22:04:48.1900.03010.191.122021-02-15 22:04:55.1500.16950.071.1655.9
PIIIV2021-02-15 22:04:51.4200.0402-0.370.372021-02-15 22:05:00.4500.2316-1.000.0576.5
MSSAIV2021-02-15 22:04:51.5800.0412-0.051.362021-02-15 22:05:00.8380.7619-0.760.3276.9
SEIIV2021-02-15 22:04:53.3800.04220.051.362021-02-15 22:05:04.9500.26670.020.8983.1
RNCAGU2021-02-15 22:04:59.3100.06230.930.072021-02-15 22:05:12.9680.04000.570.49120.7


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
GSCL GUHH1.891.86e+021.0113
SARM GUEH1.222.59e-129.5190
VLC MNHH1.141.11e-131.6192
FIVI GUHN1.684.39e-135.4237
GRAM GUHH1.881.15e+037.1290
BDI IVHH1.371.90e-142.2163
CARD GUHH1.733.13e-144.2177
POPM GUHH1.614.01e-148.7148
PII IVHH1.556.63e-276.5176
MSSA IVHH1.941.27e-176.9264
SEI IVHH2.031.66e-183.1117
RNCA GUHH1.512.04e-2120.7275


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 GUHHZ3.4275e-56.1194e-63.0620e-61.4985e-66.4616e-76.6828e-51.3305e-57.0774e-71.1804e-721.0113
GSCL GUHHN8.5540e-52.4334e-51.4200e-54.5392e-62.6108e-62.5691e-46.1095e-53.6959e-65.3364e-721.0113
GSCL GUHHE5.2375e-51.1273e-58.2586e-62.5609e-61.4255e-61.2595e-44.1091e-52.0383e-63.0342e-721.0113
SARM GUEHZ3.1675e-54.3496e-68.5674e-73.8767e-71.5837e-72.6327e-53.4045e-62.1968e-74.5892e-829.5190
SARM GUEHN2.4347e-53.5307e-61.8889e-67.7054e-73.1120e-74.9170e-58.8752e-64.4419e-77.9105e-829.5190
SARM GUEHE1.9408e-52.9343e-61.3864e-64.6347e-72.1995e-72.8871e-59.3071e-63.1943e-75.1927e-829.5190
VLC MNHHZ1.9201e-52.7465e-61.1506e-62.9117e-71.6331e-72.0242e-54.9362e-62.5059e-74.1946e-831.6192
VLC MNHHN1.1837e-51.7772e-61.0176e-63.1834e-71.6137e-73.7790e-55.5272e-62.2794e-74.0984e-831.6192
VLC MNHHE9.2980e-61.1727e-69.3092e-72.5682e-71.1384e-72.5253e-53.3251e-61.8082e-72.8160e-831.6192
FIVI GUHNZ2.6704e-54.3188e-62.8872e-61.2256e-66.3034e-79.0041e-59.5788e-69.5909e-71.2664e-735.4237
FIVI GUHNN2.5917e-55.2096e-64.4117e-61.6493e-67.3570e-76.2077e-52.0320e-51.0085e-61.3208e-735.4237
FIVI GUHNE2.9930e-54.5344e-63.2598e-61.5074e-66.8736e-71.2239e-41.6324e-59.1693e-71.2437e-735.4237
GRAM GUHHZ3.2719e-57.0276e-63.5198e-68.7533e-75.2342e-74.4952e-51.7407e-58.2377e-71.6947e-737.1290
GRAM GUHHN4.2948e-58.0621e-66.7382e-61.9133e-61.0594e-67.3184e-53.6519e-51.5320e-62.0441e-737.1290
GRAM GUHHE3.2388e-58.3660e-69.0169e-64.8407e-62.0415e-65.2694e-55.3436e-52.6941e-63.1799e-737.1290
EQUI GUHHZ3.8603e-65.7280e-73.3088e-71.3271e-75.8269e-81.3091e-51.8421e-68.2661e-81.3213e-838.6224
EQUI GUHHN1.9040e-62.3624e-71.8369e-78.6989e-84.9588e-84.4889e-61.2878e-65.3221e-85.8802e-938.6224
EQUI GUHHE4.8278e-68.6677e-73.7068e-71.5963e-77.9994e-81.5735e-51.6167e-69.6312e-81.7347e-838.6224
BDI IVHHZ1.6933e-52.9731e-61.1439e-63.2400e-71.8219e-74.7854e-57.2790e-62.5666e-76.4268e-842.2163
BDI IVHHN1.6907e-53.6891e-61.8765e-65.9170e-72.8022e-76.3889e-57.2258e-64.5780e-79.0639e-842.2163
BDI IVHHE1.9415e-53.2637e-61.8846e-65.8392e-73.0381e-74.6622e-51.1110e-54.4432e-77.5272e-842.2163
CARD GUHHZ1.8170e-52.3145e-61.0370e-63.3526e-71.8551e-76.7761e-54.4310e-63.0710e-75.3911e-844.2177
CARD GUHHN4.6195e-55.3036e-62.5206e-66.2395e-73.4324e-71.3040e-49.5377e-65.6947e-71.1542e-744.2177
CARD GUHHE3.1602e-55.8258e-62.9436e-66.8444e-73.5918e-79.2645e-59.4621e-66.0107e-71.2801e-744.2177
POPM GUHHZ2.3270e-53.5358e-62.1147e-65.7977e-72.3320e-75.3957e-51.1916e-53.6131e-77.7012e-848.7148
POPM GUHHN1.8235e-53.5902e-62.2897e-67.9005e-74.0246e-74.6964e-51.0712e-55.4651e-78.2821e-848.7148
POPM GUHHE1.9749e-54.2579e-63.8011e-61.1877e-65.9303e-74.0344e-52.6255e-58.6180e-71.0394e-748.7148
MAIM GUHHZ3.7498e-66.1873e-74.1286e-71.8503e-71.0030e-71.5282e-52.6439e-61.3707e-71.6822e-855.9177
MAIM GUHHN4.7695e-65.6203e-73.8640e-71.7672e-75.8380e-81.0927e-52.1116e-67.8764e-81.5330e-855.9177
MAIM GUHHE2.5509e-63.4690e-72.2303e-78.9784e-84.2633e-89.4001e-61.0848e-65.7783e-89.1100e-955.9177
PII IVHHZ2.6586e-65.1545e-74.5102e-71.6322e-76.8903e-89.8560e-61.8469e-68.1386e-81.1365e-876.5176
PII IVHHN2.4645e-65.2791e-75.0413e-71.7243e-77.4212e-81.0097e-53.2244e-61.0399e-71.4969e-876.5176
PII IVHHE2.9240e-67.8620e-77.1840e-72.2864e-78.4544e-81.3144e-54.3478e-61.1678e-72.0584e-876.5176
MSSA IVHHZ2.3350e-62.8306e-71.7865e-71.1701e-74.9282e-85.7589e-69.6861e-75.7574e-85.8877e-976.9264
MSSA IVHHN8.1090e-61.4507e-67.1227e-71.6002e-78.5319e-85.5055e-52.3796e-61.6104e-73.1449e-876.9264
MSSA IVHHE1.4585e-52.4731e-61.0637e-62.7049e-71.3137e-77.9247e-53.0860e-62.3067e-75.3232e-876.9264
SEI IVHHZ2.7259e-61.0021e-61.1729e-65.3545e-71.9207e-74.6014e-67.8918e-62.5676e-73.0658e-883.1117
SEI IVHHN3.2881e-61.4477e-61.2151e-69.1468e-73.3012e-74.8855e-65.9561e-64.1414e-74.9553e-883.1117
SEI IVHHE2.2039e-67.1444e-77.1793e-74.7308e-71.8326e-73.4841e-64.1718e-62.3538e-72.5861e-883.1117
RNCA GUHHZ1.0347e-61.5962e-71.2797e-77.0273e-84.1499e-82.2386e-67.8255e-75.7525e-84.5819e-9120.7275
RNCA GUHHN7.2131e-71.7090e-71.6706e-79.8477e-85.2113e-81.6333e-67.8554e-77.0345e-85.2530e-9120.7275
RNCA GUHHE1.1028e-62.3694e-71.7941e-78.6517e-84.4012e-83.1992e-68.2777e-75.6944e-86.4988e-9120.7275
*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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