MANUAL Location - Area: Alpi Graie , magnitude (ML): 2.5
2025-03-29 16:21:48 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-03-30 14:38:33

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Earthquake info - Manual location
Event - ID :250329162047
Magnitude (ML) :2.5 +/- 0.2
Origin Time :2025-03-29 16:21:48.725 (UTC)
Location : Latitude: 45.503 N, Longitude: 6.950 E
Area :Alpi Graie
Depth (km) :5.40
Distances (km) : 15.1 --- Rhemes-Notre-Dame
16.8 --- Valgrisenche
22.6 --- Valsavarenche
23.4 --- Rhemes-Saint-Georges
23.4 --- Ceresole Reale
24.0 --- La Thuile
27.4 --- Avise
27.9 --- Introd
28.0 --- Arvier
28.7 --- La Salle
28.8 --- Noasca
29.2 --- Morgex
29.2 --- Saint-Nicolas
29.2 --- Pre -Saint-Didier
29.5 --- Groscavallo
30.0 --- Villeneuve
30.4 --- Balme
31.7 --- Saint-Pierre
31.9 --- Aymavilles
32.4 --- Courmayeur

Quality location estimate: Erh: 0.6 km, Erz: 1.1 km, Nf: 65, Gap: 96 °, 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.
LSDGU2025-03-29 16:21:52.3900.00900.101.442025-03-29 16:21:54.4270.0531-0.241.3216.9
MRGEIV2025-03-29 16:21:55.1300.0160-0.011.622025-03-29 16:21:58.9750.2677-0.410.9731.7
RSLFR2025-03-29 16:21:55.1700.01700.051.562025-03-29 16:21:58.9300.0992-0.400.9933.1
COURMFR2025-03-29 16:21:55.8000.01900.121.382025-03-29 16:22:00.2200.1083-0.071.5036.0
BLANCGU2025-03-29 16:21:56.5000.02000.210.992025-03-29 16:22:01.1130.1635-0.251.2739.0
OGMOFR2025-03-29 16:21:55.9600.0251-0.121.532025-03-29 16:22:00.0100.1173-1.020.1639.2
REMYGU2025-03-29 16:21:56.8400.0211-0.031.622025-03-29 16:22:01.6900.1243-0.670.5241.3
LATOIV2025-03-29 16:21:57.5010.02000.011.602025-03-29 16:22:02.9430.0400-0.361.0846.1
RSPGU2025-03-29 16:21:57.3900.0241-0.061.602025-03-29 16:22:03.2490.2096-0.091.3246.9
CIROGU2025-03-29 16:21:57.9000.0251-0.730.392025-03-29 16:22:03.9630.1544-1.160.1150.0
RRLGU2025-03-29 16:22:00.6600.0331-0.231.352025-03-29 16:22:08.8390.1985-0.391.0166.3
DIXCH2025-03-29 16:22:01.9950.0371-0.211.382025-03-29 16:22:11.3300.2226-0.251.1373.6
BHBGU2025-03-29 16:22:02.7100.03910.151.222025-03-29 16:22:12.2900.23560.201.0078.3
OROIV2025-03-29 16:22:03.2000.0703-0.251.302025-03-29 16:22:12.9870.7329-0.200.7181.7
SATIGU2025-03-29 16:22:03.3300.0422-0.371.062025-03-29 16:22:13.5900.2496-0.490.8582.9
OGAGFR2025-03-29 16:22:04.0900.0482-0.141.462025-03-29 16:22:14.5350.0400-0.570.7386.0
MONCIV2025-03-29 16:22:06.5100.04520.950.172025-03-29 16:22:19.6890.04001.680.0590.2
VANNICH2025-03-29 16:22:05.1800.04720.201.092025-03-29 16:22:16.7650.35470.430.7093.5
SENINCH2025-03-29 16:22:06.6760.02000.121.262025-03-29 16:22:18.5920.0400-0.400.9899.7
MMKCH2025-03-29 16:22:05.7650.0502-0.061.472025-03-29 16:22:18.4820.04000.680.3799.8
EMBDCH2025-03-29 16:22:06.5570.0200-0.181.392025-03-29 16:22:19.3270.0400-0.041.22104.9
PZZGU2025-03-29 16:22:07.7900.0562-0.181.362025-03-29 16:22:21.2800.3347-0.130.99111.6
SURFFR2025-03-29 16:22:08.5700.0572-0.331.132025-03-29 16:22:22.8800.4459-0.350.83114.2
SIMPLCH2025-03-29 16:22:08.7750.05920.101.262025-03-29 16:22:22.6470.0400-0.071.17116.7
LAUCHCH2025-03-29 16:22:09.5100.06030.021.352025-03-29 16:22:25.5150.04001.510.07119.9
VINDIV2025-03-29 16:22:11.5920.02000.121.212025-03-29 16:22:27.5440.04000.220.94133.8
STVGU2025-03-29 16:22:12.5570.0200-0.031.342025-03-29 16:22:29.1820.0400-0.041.07142.9
ENRGU2025-03-29 16:22:12.7800.0733-0.131.312025-03-29 16:22:29.9690.04000.091.01146.4
ISOFR2025-03-29 16:22:14.3350.02000.490.552025-03-29 16:22:32.4180.04001.150.18146.9
GBOSGU2025-03-29 16:22:14.9300.07830.690.342025-03-29 16:22:32.8900.04000.570.57156.8
OGDIFR2025-03-29 16:22:18.5150.02000.500.582025-03-29 16:22:40.5290.04001.890.00165.3
MUGIOCH2025-03-29 16:22:17.6410.02000.360.772025-03-29 16:22:37.7300.04000.260.84169.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
LSD GUHH2.205.63e+016.9108
MRGE IVHH2.201.51e+031.716
COURMFRHH2.573.23e+036.02
REMY GUHH2.139.11e-141.323
RSP GUHH2.178.32e-146.9148
CIRO GUHH2.741.35e+050.077
RRL GUHH2.606.84e-166.3191
DIX CHHH2.801.27e+073.629
BHB GUHH2.616.49e-178.3162
ORO IVEH3.011.64e+081.780
SATI GUHH2.704.42e-182.960
OGAG FRHH2.403.59e-186.0202
MONC IVHH2.731.01e+090.2122
VANNICHHH2.352.60e-193.532
SENINCHHH2.694.93e-199.716
MMK CHHH2.572.01e-199.852
EMBD CHHH2.271.65e-1104.940
PZZ GUHH2.787.81e-1111.6173
SIMPLCHHH2.241.18e-1116.745
LAUCHCHHH2.512.06e-1119.932
STV GUHH2.366.30e-2142.9168
ENR GUHH2.551.87e-1146.4165
ISO FRHH2.145.20e-2146.9177
GBOS GUHH2.738.65e-2156.8153


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.
(°)
LSD GUHHZ3.8774e-46.3008e-54.2878e-52.2931e-59.8101e-68.9650e-42.0299e-41.3382e-51.8003e-616.9108
LSD GUHHN9.5219e-41.1690e-44.2483e-51.6387e-56.9486e-62.3345e-31.8323e-41.0551e-52.3113e-616.9108
LSD GUHHE7.3961e-49.1506e-53.0987e-51.8076e-56.7864e-61.2605e-39.7861e-59.7494e-61.9930e-616.9108
MRGE IVHHZ6.6547e-51.0355e-57.9138e-64.7087e-61.7348e-61.0597e-46.4063e-52.1679e-62.4888e-731.716
MRGE IVHHN1.6028e-42.4732e-51.1956e-57.3030e-62.9543e-62.8838e-45.9007e-54.0908e-65.3423e-731.716
MRGE IVHHE8.9358e-51.1649e-58.7412e-64.8856e-62.1742e-62.0991e-44.7370e-52.5554e-63.2478e-731.716
COURMFRHHZ1.0367e-41.7533e-51.2426e-55.0378e-61.7401e-64.1024e-45.8731e-52.6960e-64.7471e-736.02
COURMFRHHN1.2078e-43.1325e-52.7043e-51.4665e-54.6493e-63.6376e-41.9935e-46.4773e-69.3049e-736.02
COURMFRHHE1.2958e-42.8334e-52.2903e-51.1349e-54.3573e-65.8784e-41.3647e-45.7300e-67.6959e-736.02
BLANCGUHHZ3.2695e-54.6415e-64.4450e-62.2424e-68.3659e-75.1137e-52.4281e-59.7280e-71.4258e-739.0358
BLANCGUHHN9.7890e-57.3332e-64.2419e-62.9549e-68.7641e-75.0523e-52.2144e-51.2099e-61.7060e-739.0358
BLANCGUHHE1.0271e-46.7643e-65.4507e-63.5410e-61.3171e-65.7261e-52.3069e-51.5990e-61.8767e-739.0358
REMY GUHHZ2.8830e-56.3098e-64.9514e-62.9553e-61.2914e-66.2463e-54.3956e-51.5845e-62.0824e-741.323
REMY GUHHN4.0833e-57.8704e-68.0328e-64.3272e-61.9556e-61.5792e-47.5583e-51.9503e-62.3094e-741.323
REMY GUHHE3.0156e-57.8296e-66.6365e-65.4070e-61.8907e-61.0156e-45.5430e-52.1204e-62.2985e-741.323
RSP GUHHZ3.8301e-56.5121e-62.7555e-67.8598e-73.5454e-77.6837e-59.7975e-66.0614e-71.4314e-746.9148
RSP GUHHN4.9361e-57.9984e-65.4190e-61.2456e-66.5438e-71.1016e-43.8447e-59.9016e-71.6633e-746.9148
RSP GUHHE9.3413e-51.5639e-58.9414e-61.9453e-69.9263e-71.8752e-45.8461e-51.5961e-63.3296e-746.9148
CIRO GUHHZ7.0528e-51.3834e-59.5048e-65.1162e-61.7632e-61.6553e-45.2515e-52.3770e-63.7819e-750.077
CIRO GUHHN7.0092e-51.6979e-51.2556e-54.1773e-61.9765e-62.5837e-49.1212e-52.6502e-63.8632e-750.077
CIRO GUHHE4.1774e-58.1234e-65.3998e-62.8651e-68.8905e-71.3904e-42.1970e-51.2028e-61.9183e-750.077
RRL GUHHZ1.2279e-53.0430e-62.7080e-61.6370e-65.8041e-73.2295e-51.5180e-58.3034e-71.0131e-766.3191
RRL GUHHN1.9550e-55.7723e-65.8282e-62.6420e-61.0431e-69.5188e-55.1696e-51.3719e-61.9196e-766.3191
RRL GUHHE2.4212e-55.7976e-66.2140e-64.0376e-61.4460e-67.0241e-54.1974e-51.8296e-62.0145e-766.3191
DIX CHHHZ5.6747e-51.2926e-51.0709e-53.9169e-61.5755e-61.5803e-46.1735e-52.2618e-63.6517e-773.629
DIX CHHHN5.0738e-51.3159e-51.1632e-55.5023e-61.7715e-61.4864e-47.0446e-52.3464e-63.2319e-773.629
DIX CHHHE5.6368e-51.2120e-51.0517e-54.3320e-61.4103e-61.3997e-47.4386e-51.9638e-63.5579e-773.629
BHB GUHHZ3.6028e-57.8323e-65.0832e-61.3773e-66.1868e-71.3138e-42.5254e-59.6377e-71.7755e-778.3162
BHB GUHHN4.1717e-59.8048e-67.1657e-61.7740e-68.9182e-72.1654e-43.0334e-51.2638e-62.2956e-778.3162
BHB GUHHE3.4224e-57.9749e-64.4155e-61.3092e-66.3090e-71.3240e-41.8896e-58.8685e-71.7056e-778.3162
ORO IVEHZ5.0030e-51.0461e-59.5422e-62.8253e-61.2654e-62.1271e-46.1047e-51.8923e-62.8376e-781.780
ORO IVEHN7.9976e-51.6441e-51.5539e-56.3092e-62.1778e-62.9319e-49.1807e-53.1203e-63.9422e-781.780
ORO IVEHE1.0909e-42.2773e-51.6023e-55.1579e-62.2742e-62.4499e-41.5514e-43.2494e-64.8438e-781.780
SATI GUHHZ2.7425e-54.0986e-62.6000e-61.3274e-65.6621e-75.6961e-51.3279e-56.9790e-71.1247e-782.960
SATI GUHHN4.2133e-56.4509e-64.4577e-62.1421e-69.7842e-71.7454e-42.3854e-51.2351e-61.4609e-782.960
SATI GUHHE3.5042e-56.2774e-63.8817e-61.5085e-66.7041e-71.2678e-42.3808e-58.4535e-71.3512e-782.960
OGAG FRHHZ6.6216e-62.3731e-62.1105e-61.2194e-64.9909e-72.0102e-51.7632e-56.3691e-76.7083e-886.0202
OGAG FRHHN7.7357e-62.4129e-62.4359e-61.3843e-65.5672e-71.5704e-51.3433e-57.0945e-78.3771e-886.0202
OGAG FRHHE7.5250e-62.7138e-63.1375e-62.0771e-69.0448e-71.8228e-52.2773e-59.8150e-78.9999e-886.0202
MONC IVHHZ1.3416e-53.9612e-64.4675e-62.2563e-66.3699e-73.7332e-53.4799e-58.1428e-71.1797e-790.2122
MONC IVHHN1.6596e-55.2136e-65.3647e-62.8200e-61.0423e-63.1767e-53.5619e-51.3570e-61.7001e-790.2122
MONC IVHHE1.9484e-56.9089e-68.0878e-64.3979e-61.6778e-64.4863e-55.2435e-52.1665e-62.6122e-790.2122
VANNICHHHZ6.5110e-62.3948e-62.2172e-61.1342e-63.7401e-71.2475e-51.7558e-55.5155e-76.7122e-893.532
VANNICHHHN6.7549e-62.4164e-62.3741e-61.1993e-64.7626e-71.1099e-51.4485e-55.6509e-76.2755e-893.532
VANNICHHHE4.9021e-61.8873e-62.1145e-61.0906e-64.3449e-71.2269e-52.1348e-55.3960e-76.4956e-893.532
SENINCHHHZ2.4668e-56.5826e-65.5740e-62.5656e-61.0149e-61.0289e-45.1322e-51.3145e-62.0604e-799.716
SENINCHHHN1.0722e-53.5495e-63.4379e-62.1217e-69.4239e-73.3286e-53.2879e-51.0654e-61.0772e-799.716
SENINCHHHE1.6192e-53.5368e-63.9734e-63.0477e-61.1480e-65.6561e-52.1517e-51.2852e-61.4433e-799.716
MMK CHHHZ1.1694e-52.5252e-62.2304e-61.0821e-63.8774e-73.1619e-51.6096e-55.5443e-77.8765e-899.852
MMK CHHHN1.0606e-52.2761e-62.1535e-69.0465e-73.2363e-73.2642e-51.8353e-54.7414e-76.9262e-899.852
MMK CHHHE1.5094e-51.9874e-61.2914e-65.8502e-72.4892e-72.6922e-58.3349e-63.1606e-75.8094e-899.852
EMBD CHHHZ4.7350e-61.3004e-61.2276e-67.7063e-72.6761e-71.0063e-58.6151e-63.4371e-74.3341e-8104.940
EMBD CHHHN4.9749e-61.4711e-61.2295e-66.0097e-72.5689e-71.1607e-57.6716e-63.7424e-75.1327e-8104.940
EMBD CHHHE3.2920e-69.1011e-79.3772e-76.7189e-72.1652e-71.0175e-54.2936e-62.8088e-73.5946e-8104.940
PZZ GUHHZ1.8363e-56.3261e-66.4998e-62.1912e-68.8989e-76.1548e-55.0827e-51.2227e-61.8393e-7111.6173
PZZ GUHHN2.6105e-56.7049e-67.5506e-62.3537e-61.0350e-65.3408e-55.5043e-51.4770e-61.9236e-7111.6173
PZZ GUHHE2.6659e-57.4292e-66.8371e-62.1249e-69.4264e-76.1773e-55.8275e-51.3428e-61.8923e-7111.6173
SIMPLCHHHZ4.6205e-61.2066e-61.0289e-65.8118e-72.1377e-71.7100e-55.1657e-62.8681e-73.8012e-8116.745
SIMPLCHHHN4.1984e-61.0373e-69.4758e-75.7328e-72.1917e-71.5788e-54.5662e-62.8962e-74.0418e-8116.745
SIMPLCHHHE4.0817e-68.4199e-77.1456e-74.4445e-71.7668e-71.2050e-54.0698e-62.1486e-72.5117e-8116.745
LAUCHCHHHZ5.0493e-61.2981e-61.0261e-65.3755e-71.7299e-72.9601e-57.1930e-62.3979e-73.1513e-8119.932
LAUCHCHHHN4.3239e-69.3577e-71.0364e-64.7463e-71.9422e-72.6565e-57.5429e-62.4452e-72.5760e-8119.932
LAUCHCHHHE5.4548e-61.8859e-61.5737e-67.8201e-73.6769e-71.6193e-51.0423e-55.1677e-75.3733e-8119.932
STV GUHHZ2.4293e-65.2941e-74.0669e-71.6213e-76.6038e-84.4783e-62.5992e-61.0390e-71.3116e-8142.9168
STV GUHHN2.2098e-64.7215e-73.7495e-71.8665e-76.5198e-84.0591e-62.0366e-69.7079e-81.0741e-8142.9168
STV GUHHE3.6847e-67.6642e-73.9527e-72.0632e-77.2707e-83.7039e-62.7385e-67.9115e-81.1295e-8142.9168
ENR GUHHZ5.5955e-61.2404e-61.1164e-65.6431e-72.1048e-72.0694e-55.6657e-62.8098e-73.4903e-8146.4165
ENR GUHHN1.1600e-51.7836e-61.1272e-64.9739e-71.6284e-72.6516e-54.8247e-62.3841e-73.6353e-8146.4165
ENR GUHHE1.5484e-52.5372e-61.2260e-63.1172e-71.3604e-73.6130e-55.3478e-62.2410e-74.8783e-8146.4165
ISO FRHHZ2.6359e-68.5685e-77.5681e-76.5743e-72.5996e-75.8008e-64.1531e-63.4616e-73.6512e-8146.9177
ISO FRHHN1.9279e-66.7953e-76.3377e-75.1827e-71.9939e-75.2806e-64.0119e-62.6091e-72.8815e-8146.9177
ISO FRHHE1.8011e-64.0125e-73.9840e-72.3642e-78.8146e-83.6595e-63.1116e-61.1578e-71.3914e-8146.9177
GBOS GUHHZ2.2235e-65.7802e-74.7388e-72.4770e-79.2852e-87.2617e-63.1946e-61.2048e-71.7453e-8156.8153
GBOS GUHHN1.4573e-64.7676e-74.6379e-72.1821e-78.1690e-84.6028e-63.3802e-61.0478e-71.2952e-8156.8153
GBOS GUHHE2.2287e-65.4214e-73.5178e-71.5854e-75.6126e-84.5754e-62.4121e-66.8924e-89.5901e-9156.8153
MUGIOCHHHZ4.6733e-68.1650e-77.1361e-73.8855e-71.4346e-77.8514e-63.5866e-61.6938e-72.3233e-8169.073
MUGIOCHHHN6.4581e-66.7794e-75.6734e-74.0167e-71.3193e-76.7602e-63.4649e-61.7918e-71.7453e-8169.073
MUGIOCHHHE7.2082e-65.4917e-75.9164e-74.4142e-71.6024e-74.7538e-63.4997e-61.9506e-72.2236e-8169.073
*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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