MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.9
2023-03-27 23:46:34 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-03-28 06:33:24

RSNI Logo

Earthquake info - Manual location
Event - ID :230327234607
Magnitude (ML) :0.9 +/- 0.2
Origin Time :2023-03-27 23:46:34.113 (UTC)
Location : Latitude: 45.872 N, Longitude: 7.008 E
Area :Alpi Pennine
Depth (km) :5.69
Distances (km) : 9.1 --- Courmayeur
12.1 --- Pre -Saint-Didier
12.8 --- Morgex
14.3 --- Saint-Rhemy-En-Bosses
14.8 --- La Salle
16.6 --- Saint-Oyen
17.7 --- La Thuile
18.0 --- Etroubles
20.7 --- Avise
21.1 --- Saint-Nicolas
21.6 --- Allein
22.4 --- Arvier
23.5 --- Ollomont
23.9 --- Doues
24.3 --- Villeneuve
24.4 --- Introd
24.4 --- Gignod
24.8 --- Saint-Pierre
25.1 --- Valpelline
25.5 --- Roisan

Quality location estimate: Erh: 1.5 km, Erz: 1.1 km, Nf: 30, Gap: 141 °, Rms: 0.25


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.
BLANCGU2023-03-27 23:46:35.7700.0030-0.960.152023-03-27 23:46:36.2900.0170-2.190.0111.2
MRGEIV2023-03-27 23:46:37.2800.0070-0.031.832023-03-27 23:46:39.2410.0400-0.191.1714.1
REMYGU2023-03-27 23:46:37.7500.00800.191.152023-03-27 23:46:39.9150.04000.031.8814.6
RSLFR2023-03-27 23:46:40.7800.0221-0.470.452023-03-27 23:46:44.7290.1033-1.340.1036.4
DIXCH2023-03-27 23:46:42.0890.02000.021.872023-03-27 23:46:47.2400.1233-0.301.0039.2
LSDGU2023-03-27 23:46:42.9590.02000.081.752023-03-27 23:46:48.6300.1474-0.221.2247.6
CIROGU2023-03-27 23:46:45.2650.02000.870.222023-03-27 23:46:50.8490.0400-0.700.3053.5
VANNICH2023-03-27 23:46:45.8810.02000.750.322023-03-27 23:46:52.6190.0400-0.101.4859.4
SENINCH2023-03-27 23:46:45.6080.02000.101.632023-03-27 23:46:52.2400.3557-1.220.2159.5
SATIGU2023-03-27 23:46:46.5470.02000.211.152023-03-27 23:46:54.4200.6199-0.880.4867.2
TRAVGU2023-03-27 23:46:47.0200.03710.510.342023-03-27 23:46:55.0940.04000.101.4070.2
EMBDCH2023-03-27 23:46:47.4870.0200-0.151.442023-03-27 23:46:56.7800.0400-0.231.1874.5
MMKCH2023-03-27 23:46:48.4750.02000.680.342023-03-27 23:46:57.2300.0400-0.201.2477.0
RSPGU2023-03-27 23:46:48.7420.02000.021.682023-03-27 23:46:58.8130.10020.131.2583.2
SIMPLCH2023-03-27 23:46:49.9710.0401-0.081.562023-03-27 23:47:01.3440.04000.171.1988.4


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
BLANCGUHH1.131.01e+011.2242
MRGE IVHH0.611.73e-114.1160
REMY GUHH0.401.16e-114.6108
DIX CHHH1.048.22e-239.253
LSD GUHH1.005.06e-247.6168
CIRO GUHH1.042.37e-253.5124
VANNICHHH0.631.36e-259.450
SENINCHHH1.326.67e-259.522
SATI GUHH0.819.08e-367.289
TRAV GUHH0.932.25e-270.2125
EMBD CHHH0.821.31e-274.559
MMK CHHH0.877.32e-377.075
RSP GUHH0.779.64e-383.2166
SIMPLCHHH0.645.87e-388.462


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.
(°)
BLANCGUHHZ1.5671e-42.2173e-57.8001e-62.3422e-61.1469e-64.7628e-44.4550e-51.9097e-64.4209e-711.2242
BLANCGUHHN1.2839e-41.4868e-57.1295e-63.3651e-61.7016e-62.7900e-42.2955e-52.4008e-63.2343e-711.2242
BLANCGUHHE8.7211e-51.3486e-59.2586e-66.1202e-63.2875e-62.3273e-44.4100e-54.4718e-63.6682e-711.2242
MRGE IVHHZ3.6409e-53.4895e-61.2746e-64.6554e-72.5378e-72.9356e-57.4623e-63.9437e-76.7723e-814.1160
MRGE IVHHN5.5755e-55.6841e-61.5207e-66.4549e-72.8562e-73.9988e-57.3913e-64.0861e-76.4009e-814.1160
MRGE IVHHE5.0608e-55.5041e-61.5015e-66.0690e-72.2858e-74.5684e-57.7306e-63.7946e-78.4131e-814.1160
REMY GUHHZ7.8939e-61.5315e-65.5078e-72.7019e-71.4006e-71.4280e-52.5618e-61.7522e-71.9514e-814.6108
REMY GUHHN8.0763e-61.2807e-69.3401e-76.7184e-75.2719e-71.9120e-54.3340e-67.6374e-75.4724e-814.6108
REMY GUHHE8.7102e-61.6001e-68.9687e-74.1660e-72.2650e-71.7083e-54.2048e-62.9109e-73.1239e-814.6108
DIX CHHHZ4.3743e-69.5493e-76.0561e-71.9243e-77.9122e-81.2231e-53.1161e-61.2064e-72.1384e-839.253
DIX CHHHN6.7318e-61.0743e-67.3577e-72.3282e-79.7045e-82.6574e-54.3896e-61.6036e-72.6958e-839.253
DIX CHHHE7.2319e-61.3715e-68.3599e-72.0413e-71.0396e-71.8430e-53.2727e-61.5649e-72.9303e-839.253
LSD GUHHZ2.8685e-63.9533e-73.0452e-71.7019e-75.1841e-88.3683e-61.5182e-67.0211e-81.0425e-847.6168
LSD GUHHN3.0282e-63.8659e-72.6020e-78.8554e-84.7769e-87.8833e-61.1473e-67.1288e-81.0259e-847.6168
LSD GUHHE3.7378e-68.4651e-74.5475e-71.5408e-77.0151e-81.1482e-52.5422e-61.1080e-72.0823e-847.6168
CIRO GUHHZ1.9580e-62.3071e-71.3382e-74.7112e-82.0891e-82.4173e-61.0211e-62.8082e-84.8147e-953.5124
CIRO GUHHN1.5578e-62.5725e-71.6566e-79.1489e-84.7065e-82.6182e-61.1471e-67.1860e-88.6078e-953.5124
CIRO GUHHE1.8262e-61.6784e-71.0365e-73.9609e-81.6857e-83.4026e-65.1324e-72.2479e-84.1037e-953.5124
VANNICHHHZ4.6618e-71.1234e-71.0891e-76.3500e-82.4732e-81.3371e-65.9949e-72.9123e-83.2928e-959.450
VANNICHHHN5.5198e-71.4479e-71.0817e-75.0812e-82.3644e-81.6375e-69.6650e-72.8922e-83.3839e-959.450
VANNICHHHE4.7909e-71.1278e-71.2149e-77.1138e-82.7085e-81.3682e-68.9918e-73.9458e-84.4076e-959.450
SENINCHHHZ2.2144e-64.9489e-74.1051e-71.6267e-76.7070e-88.1295e-61.8607e-68.4015e-81.2261e-859.522
SENINCHHHN1.8134e-64.7958e-73.5438e-71.6601e-78.9070e-85.3330e-62.2500e-61.2331e-71.2193e-859.522
SENINCHHHE2.8966e-67.5207e-75.4335e-72.1799e-71.0191e-75.8106e-63.0679e-61.5196e-72.1107e-859.522
SATI GUHHZ6.7739e-71.1231e-77.6132e-83.5006e-82.0987e-82.6730e-62.8986e-73.2249e-84.4968e-967.289
SATI GUHHN1.0151e-61.1032e-77.2661e-84.1815e-83.2103e-83.3094e-63.1537e-75.4317e-84.8481e-967.289
SATI GUHHE1.0178e-61.5338e-78.2583e-83.2243e-82.0423e-83.7053e-62.9323e-73.2709e-83.5021e-967.289
TRAV GUHHZ1.2653e-62.1987e-71.4798e-77.1787e-83.6366e-82.7040e-66.2838e-74.8463e-88.4502e-970.2125
TRAV GUHHN1.8260e-63.4097e-72.4079e-79.5071e-84.3273e-85.8520e-61.3708e-64.8853e-81.0079e-870.2125
TRAV GUHHE1.3864e-62.2922e-71.5673e-75.3533e-82.5483e-83.6282e-69.0011e-73.6145e-85.3134e-970.2125
EMBD CHHHZ4.4412e-71.7182e-71.1083e-78.2127e-82.8127e-81.0803e-65.9425e-73.3440e-84.5555e-974.559
EMBD CHHHN4.1149e-71.3580e-71.0113e-76.0477e-82.2059e-81.1716e-65.6965e-72.7751e-84.0918e-974.559
EMBD CHHHE3.3910e-78.3154e-86.8821e-84.7446e-82.2614e-89.5849e-73.0976e-73.5199e-84.8505e-974.559
MMK CHHHZ3.8282e-77.8928e-87.7964e-83.3310e-81.2329e-81.2094e-65.5008e-71.6304e-82.5629e-977.075
MMK CHHHN5.3612e-79.7810e-87.2364e-83.2915e-81.3971e-82.0821e-63.6592e-72.0052e-82.3772e-977.075
MMK CHHHE3.4331e-75.3590e-84.2808e-81.9080e-87.5920e-91.0186e-62.4273e-71.0994e-81.5765e-977.075
RSP GUHHZ3.2678e-76.5742e-84.2914e-81.2390e-86.0650e-99.6956e-72.0676e-79.1152e-91.4732e-983.2166
RSP GUHHN5.1920e-79.6198e-86.9369e-81.8569e-81.0196e-81.2354e-63.1577e-71.5392e-82.4784e-983.2166
RSP GUHHE5.3009e-71.3000e-78.4912e-82.6219e-81.3590e-81.4429e-63.1142e-72.0457e-83.3065e-983.2166
SIMPLCHHHZ4.1706e-77.5562e-87.6032e-83.4106e-81.5085e-87.4572e-73.1868e-72.2148e-82.4778e-988.462
SIMPLCHHHN3.0002e-77.5431e-86.4560e-82.9845e-81.3568e-88.2147e-73.7155e-71.5612e-82.0604e-988.462
SIMPLCHHHE2.8025e-75.3350e-84.5857e-82.0945e-81.1465e-89.7721e-72.9464e-71.3724e-81.6052e-988.462
*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)

rsni