MANUAL Location - Area: Alpi Pennine , magnitude (ML): 0.3
2021-02-25 13:27:11 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2021-02-26 07:43:03

RSNI Logo

Earthquake info - Manual location
Event - ID :210225132601
Magnitude (ML) :0.3 +/- 0.2
Origin Time :2021-02-25 13:27:11.568 (UTC)
Location : Latitude: 46.024 N, Longitude: 7.217 E
Area :Alpi Pennine
Depth (km) :5.35
Distances (km) : 20.4 --- Ollomont
22.0 --- Saint-Oyen
22.5 --- Etroubles
22.5 --- Saint-Rhemy-En-Bosses
22.9 --- Oyace
22.9 --- Bionaz
23.5 --- Valpelline
23.6 --- Doues
24.3 --- Allein
27.4 --- Roisan
27.4 --- Gignod
31.8 --- Courmayeur
32.5 --- Saint-Christophe
32.5 --- Aosta
32.6 --- Morgex
32.8 --- La Salle
33.9 --- Pre -Saint-Didier
34.1 --- Sarre
34.1 --- Gressan
34.2 --- Pollein

Quality location estimate: Erh: 4.7 km, Erz: 2.7 km, Nf: 16, Gap: 139 °, Rms: 0.28


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.
DIXCH2021-02-25 13:27:15.6970.0200-0.012.442021-02-25 13:27:18.4850.04000.032.2617.5
REMYGU2021-02-25 13:27:16.6400.01200.351.062021-02-25 13:27:19.8800.06810.381.1822.6
BLANCGU2021-02-25 13:27:16.7360.0361-1.210.082021-02-25 13:27:20.8170.0400-1.460.0930.9
MRGEIV2021-02-25 13:27:17.8400.02000.002.412021-02-25 13:27:22.3000.21760.181.5631.5
SENINCH2021-02-25 13:27:17.0480.0200-2.300.032021-02-25 13:27:21.0840.0400-3.610.0139.0
SATIGU2021-02-25 13:27:21.7760.08030.031.932021-02-25 13:27:28.8870.0400-0.051.5453.6
CIROGU2021-02-25 13:27:22.4250.02000.630.522021-02-25 13:27:29.6300.04000.560.8754.7
RSLFR2021-02-25 13:27:20.6580.0200-1.960.032021-02-25 13:27:27.2480.0400-2.950.0159.3


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
DIX CHHH0.215.45e-217.566
REMY GUHH0.092.59e-222.6193
BLANCGUHH0.221.97e-230.9228
MRGE IVHH0.624.03e-231.5203
SATI GUHH0.446.25e-353.6108
CIRO GUHH0.455.75e-354.7150


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.
(°)
DIX CHHHZ1.0001e-51.2972e-64.8875e-71.5034e-76.5232e-81.4376e-51.8608e-61.2127e-72.8834e-817.566
DIX CHHHN9.1068e-61.0739e-65.4063e-72.5705e-79.1490e-81.3148e-51.9797e-61.1704e-72.2091e-817.566
DIX CHHHE1.0012e-59.7796e-73.4670e-71.1204e-74.9451e-81.5690e-52.1037e-69.1992e-82.1526e-817.566
REMY GUHHZ3.6433e-63.9611e-71.6275e-75.9158e-83.0232e-83.9834e-66.1504e-74.1690e-87.2102e-922.6193
REMY GUHHN2.4350e-64.4610e-72.3834e-77.5678e-83.6632e-87.9029e-68.8733e-74.7611e-89.1860e-922.6193
REMY GUHHE3.1387e-64.0525e-72.1332e-76.9770e-83.0597e-86.7689e-69.5853e-74.0953e-88.7587e-922.6193
BLANCGUHHZ3.2684e-64.1385e-71.7708e-74.5487e-82.5921e-87.5711e-65.4218e-74.2402e-87.8033e-930.9228
BLANCGUHHN5.7186e-65.4832e-71.3401e-75.1539e-82.3145e-87.1527e-66.1515e-73.9389e-89.8037e-930.9228
BLANCGUHHE4.5319e-64.4895e-72.0869e-76.1817e-82.9221e-88.8045e-69.4199e-75.2894e-89.1890e-930.9228
MRGE IVHHZ3.2951e-64.1415e-71.5978e-79.0645e-84.0180e-83.6657e-69.7398e-76.2028e-89.2530e-931.5203
MRGE IVHHN9.9913e-61.0026e-62.6599e-71.2320e-76.8915e-81.2342e-51.5135e-61.0985e-72.0364e-831.5203
MRGE IVHHE6.5776e-66.8846e-71.5836e-76.6877e-83.0367e-87.2428e-66.3147e-75.3298e-81.1032e-831.5203
SENINCHHHZ4.4408e-67.8444e-74.2799e-71.3856e-76.9282e-81.0827e-51.4801e-69.9337e-81.7434e-839.09
SENINCHHHN3.7990e-65.5473e-74.4037e-72.1466e-71.1724e-79.2061e-62.5004e-61.3985e-72.0698e-839.09
SENINCHHHE5.2094e-61.0268e-66.2133e-72.5029e-71.2420e-78.5181e-63.9180e-61.7562e-72.2210e-839.09
SATI GUHHZ6.5742e-76.7647e-82.8403e-81.3055e-87.4749e-91.2139e-61.2585e-71.2457e-81.4097e-953.6108
SATI GUHHN9.3228e-71.3753e-75.5265e-81.8739e-88.8938e-93.6870e-62.3500e-71.4153e-82.8757e-953.6108
SATI GUHHE8.9211e-71.0601e-74.5760e-81.7479e-81.0148e-81.8077e-61.8151e-71.4726e-82.3587e-953.6108
CIRO GUHHZ6.8115e-76.8036e-83.4369e-81.4306e-87.3850e-91.1255e-61.8991e-78.8999e-92.0209e-954.7150
CIRO GUHHN9.4379e-71.0193e-74.5893e-81.4210e-86.8790e-91.3304e-63.0726e-79.5784e-92.0633e-954.7150
CIRO GUHHE8.3458e-79.1645e-85.2976e-81.4511e-87.1962e-91.3853e-63.0342e-79.7767e-92.1957e-954.7150
*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