MANUAL Location - Area: Svizzera , magnitude (ML): 1.1
2021-04-09 23:50:57 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-04-12 08:10:53

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Earthquake info - Manual location
Event - ID :210409235037
Magnitude (ML) :1.1 +/- 0.2
Origin Time :2021-04-09 23:50:57.093 (UTC)
Location : Latitude: 46.259 N, Longitude: 7.404 E
Area :Svizzera
Depth (km) :6.10
Distances (km) : 42.7 --- Bionaz
45.2 --- Oyace
45.7 --- Valtournenche
45.9 --- Ollomont
48.6 --- Valpelline
49.4 --- Doues
49.5 --- Chamois
50.4 --- Saint-Oyen
50.5 --- Etroubles
51.2 --- Allein
51.5 --- Saint-Rhemy-En-Bosses
52.3 --- Torgnon
52.4 --- Antey-Saint-Andre
52.5 --- La Magdeleine
53.1 --- Roisan
53.6 --- Gignod
54.2 --- Macugnaga
54.3 --- Ayas
56.0 --- Verrayes
57.0 --- Saint-Christophe

Quality location estimate: Erh: 0.9 km, Erz: 1.6 km, Nf: 30, Gap: 101 °, Rms: 0.31


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.
SENINCH2021-04-09 23:51:00.6000.01000.011.352021-04-09 23:51:02.6050.0501-0.381.3216.2
VANNICH2021-04-09 23:51:01.3250.01200.340.482021-04-09 23:51:03.4330.0581-0.161.2917.0
DIXCH2021-04-09 23:51:01.8380.02000.380.492021-04-09 23:51:04.3750.0651-0.031.3321.6
LAUCHCH2021-04-09 23:51:03.8830.01900.021.292021-04-09 23:51:08.1750.1073-0.391.2433.7
EMBDCH2021-04-09 23:51:04.0820.02000.390.452021-04-09 23:51:07.9580.1293-0.241.3533.8
SIMPLCH2021-04-09 23:51:06.2870.02000.031.172021-04-09 23:51:12.0300.1494-0.550.9347.8
MMKCH2021-04-09 23:51:06.3050.02710.021.232021-04-09 23:51:12.0750.1524-0.540.9449.7
REMYGU2021-04-09 23:51:06.4700.0271-0.301.352021-04-09 23:51:12.6800.1524-0.790.5251.3
SATIGU2021-04-09 23:51:07.5100.0301-0.021.282021-04-09 23:51:14.3520.0400-0.401.2156.5
FIESACH2021-04-09 23:51:07.8230.0200-0.530.922021-04-09 23:51:15.0710.1002-1.100.2558.2
BLANCGU2021-04-09 23:51:08.0400.0301-0.311.352021-04-09 23:51:14.9100.2406-1.220.2259.4
MRGEIV2021-04-09 23:51:07.9600.0361-0.361.312021-04-09 23:51:15.1900.3577-0.950.4861.0
CIROGU2021-04-09 23:51:10.3290.0200-0.071.322021-04-09 23:51:19.6990.0400-0.181.2774.7
RSLFR2021-04-09 23:51:12.4700.0442-0.391.242021-04-09 23:51:22.5400.3688-1.230.2987.6
FUSIOCH2021-04-09 23:51:14.6160.0200-0.181.352021-04-09 23:51:26.3810.0400-0.660.7699.2


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
SENINCHHH0.973.62e-116.2325
DIX CHHH1.558.22e-121.6180
MMK CHHH1.022.61e-249.7118
REMY GUHH1.004.33e-251.3202
SATI GUHH0.751.14e-256.5140
FIESACHHH1.124.45e-258.270
MRGE IVHH1.295.05e-261.0206
CIRO GUHH0.816.80e-374.7170


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.
(°)
SENINCHHHZ4.9418e-57.1593e-63.0814e-61.0731e-64.8642e-78.7789e-51.2637e-57.5727e-71.2390e-716.2325
SENINCHHHN6.3156e-56.2343e-62.6887e-67.9405e-74.4959e-76.0616e-51.0317e-58.1031e-71.5027e-716.2325
SENINCHHHE5.2780e-57.1615e-62.6902e-68.3734e-74.8955e-78.7747e-51.2461e-58.8153e-71.8652e-716.2325
DIX CHHHZ4.1584e-53.9445e-61.9432e-64.9245e-72.8130e-78.6436e-56.6340e-64.5280e-79.1229e-821.6180
DIX CHHHN4.5891e-57.1794e-62.9819e-61.1301e-65.7353e-78.6792e-51.7300e-58.7806e-71.6911e-721.6180
DIX CHHHE1.1263e-41.2369e-56.4007e-62.0346e-61.1937e-61.6024e-43.4481e-51.8213e-63.1406e-721.6180
MMK CHHHZ3.3439e-64.8221e-72.0231e-76.2698e-84.6545e-88.6503e-65.9124e-77.6112e-81.2185e-849.7118
MMK CHHHN4.4646e-66.8361e-72.0761e-75.6373e-83.2155e-89.6431e-67.4543e-75.4115e-81.4417e-849.7118
MMK CHHHE3.0124e-62.9733e-71.0471e-73.1344e-81.5236e-85.6980e-63.9516e-72.7141e-86.5172e-949.7118
REMY GUHHZ2.6178e-63.1214e-71.7701e-75.5216e-82.6111e-84.9115e-68.4942e-73.9746e-86.8628e-951.3202
REMY GUHHN3.6757e-65.0780e-73.6803e-71.2151e-75.6598e-89.8009e-61.9735e-68.0155e-81.2239e-851.3202
REMY GUHHE4.8259e-66.7667e-73.5975e-71.1006e-75.5763e-87.6538e-61.9525e-69.1056e-81.7417e-851.3202
SATI GUHHZ3.5638e-62.7180e-78.0880e-83.0944e-81.4478e-82.8451e-63.2709e-72.6977e-84.6129e-956.5140
SATI GUHHN2.4928e-62.3778e-78.5548e-82.6830e-81.3465e-83.1194e-63.1032e-72.0349e-84.9736e-956.5140
SATI GUHHE2.1845e-62.6185e-71.0875e-72.7506e-81.5194e-85.3822e-63.3821e-72.7508e-85.9978e-956.5140
FIESACHHHZ1.1506e-59.4541e-72.5493e-79.9269e-85.0776e-88.2559e-61.2526e-66.3154e-89.5706e-958.270
FIESACHHHN6.6340e-68.1908e-74.0104e-71.1089e-77.1750e-87.9781e-61.8945e-61.1869e-71.5710e-858.270
FIESACHHHE5.4854e-65.9553e-72.7750e-71.1467e-76.0640e-87.6913e-61.7924e-69.1702e-81.3418e-858.270
BLANCGUHHZ4.0943e-64.7425e-71.2170e-73.9331e-82.2960e-86.3519e-63.8545e-73.7079e-86.6238e-959.4218
BLANCGUHHN4.1317e-64.3848e-71.0681e-74.0187e-81.9693e-85.0942e-64.4272e-73.2669e-87.7089e-959.4218
BLANCGUHHE4.8244e-65.5620e-71.3640e-74.7409e-82.1259e-84.8798e-65.7084e-73.0239e-87.7087e-959.4218
MRGE IVHHZ2.6057e-62.6345e-71.1459e-74.3292e-82.0381e-84.9680e-65.5598e-73.3874e-85.8505e-961.0206
MRGE IVHHN6.6582e-67.7526e-72.1867e-78.2809e-83.6396e-89.3483e-61.2806e-66.8130e-81.5702e-861.0206
MRGE IVHHE4.4731e-66.8163e-73.5067e-71.3911e-77.2313e-85.1589e-62.5680e-61.1071e-71.6207e-861.0206
CIRO GUHHZ6.5601e-78.1484e-84.4183e-81.6914e-88.9543e-91.3903e-62.3125e-71.5274e-82.0464e-974.7170
CIRO GUHHN8.8222e-71.0341e-74.8062e-81.5467e-87.6060e-92.0448e-61.6951e-71.2707e-82.4141e-974.7170
CIRO GUHHE1.3193e-61.7320e-76.4933e-82.1751e-88.0383e-91.8287e-62.8842e-71.3913e-83.1774e-974.7170
*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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