MANUAL Location - Area: Appennino forlivese , magnitude (ML): 2.1
2025-09-01 20:41:26 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-09-02 10:51:17

RSNI Logo


Earthquake info - Manual location
Event - ID :250901204001
Magnitude (ML) :2.1 +/- 0.2
Origin Time :2025-09-01 20:41:26.029 (UTC)
Location : Latitude: 43.981 N, Longitude: 11.654 E
Area :Appennino forlivese
Depth (km) :16.20
Distances (km) : 6.6 --- San Godenzo
10.0 --- Premilcuore
11.2 --- Marradi
11.5 --- Portico e San Benedetto
13.2 --- Tredozio
14.4 --- Dicomano
15.0 --- Londa
16.0 --- Vicchio
17.1 --- Palazzuolo sul Senio
17.5 --- Rocca San Casciano
20.4 --- Stia
20.7 --- Galeata
20.7 --- Santa Sofia
21.4 --- Borgo San Lorenzo
22.0 --- Pratovecchio
22.1 --- Rufina
22.7 --- Modigliana
23.1 --- Civitella di Romagna
23.9 --- Scarperia
24.4 --- Dovadola

Quality location estimate: Erh: 1.4 km, Erz: 0.9 km, Nf: 26, Gap: 186 °, 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.
LMDIV2025-09-01 20:41:29.4500.0110-1.050.182025-09-01 20:41:31.5590.0400-2.420.0019.9
RUFIIV2025-09-01 20:41:31.2600.01900.241.332025-09-01 20:41:34.8700.08620.041.7825.5
MTRZIV2025-09-01 20:41:34.9400.02910.390.812025-09-01 20:41:42.8030.04001.420.0444.4
IMOLIV2025-09-01 20:41:35.0500.0281-0.081.662025-09-01 20:41:42.4990.1414-0.041.5745.6
OSSCIV2025-09-01 20:41:37.8360.02000.041.792025-09-01 20:41:45.9540.0400-0.261.1262.8
CSNTIV2025-09-01 20:41:38.3890.06020.061.772025-09-01 20:41:46.7300.1002-0.370.8765.6
ZCCAIV2025-09-01 20:41:39.6910.0200-0.091.622025-09-01 20:41:52.7890.04002.140.0169.9
POPMGU2025-09-01 20:41:39.9200.08340.700.272025-09-01 20:41:49.2300.38480.281.0774.0
CARDGU2025-09-01 20:41:42.8600.05120.131.642025-09-01 20:41:55.0580.04000.241.3095.3
GSCLGU2025-09-01 20:41:43.9350.0200-0.251.142025-09-01 20:41:57.4340.0400-0.091.3395.9
PIIIV2025-09-01 20:41:43.3600.05120.201.522025-09-01 20:41:54.2550.0400-1.180.1896.4
SARMGU2025-09-01 20:41:44.6150.02000.251.382025-09-01 20:41:56.9750.0400-0.720.45104.0
VLCMN2025-09-01 20:41:45.2500.05520.970.152025-09-01 20:41:57.2260.0400-0.321.02104.5


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.		 Dist. (km) Azimuth
MTRZ IVHH2.158.12e-144.4334
OSSC IVHH2.285.38e-162.8213
ZCCA IVHH1.661.03e-169.9307
POPM GUHH1.923.38e-174.0276
CARD GUHH2.121.47e-195.3273
GSCL GUHH1.908.88e-295.9296
PII IVHH2.161.60e-196.4253
SARM GUEH2.372.55e-1104.0283
VLC MNHH1.935.40e-2104.5281


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.
(°)
MTRZ IVHHZ3.0052e-56.8962e-64.3092e-62.3011e-68.4409e-78.8318e-51.8240e-51.1196e-61.6444e-744.4334
MTRZ IVHHN2.6584e-58.2126e-68.4279e-63.5938e-61.2964e-66.6770e-54.7901e-51.7460e-62.4309e-744.4334
MTRZ IVHHE1.3047e-52.4253e-62.9831e-61.1512e-65.0281e-74.6437e-52.3474e-56.3867e-77.8005e-844.4334
OSSC IVHHZ1.2091e-52.6789e-62.5569e-61.0779e-64.6567e-74.0532e-51.4946e-55.3555e-76.5281e-862.8213
OSSC IVHHN1.5586e-54.7235e-64.3341e-61.5759e-68.4265e-74.9008e-52.0293e-59.8000e-71.2623e-762.8213
OSSC IVHHE2.1626e-56.0760e-64.9859e-62.4692e-61.0603e-66.6506e-52.0460e-51.3026e-61.6432e-762.8213
ZCCA IVHHZ1.3849e-63.3826e-73.7987e-72.5170e-79.0389e-85.8328e-62.9605e-61.2645e-79.8562e-969.9307
ZCCA IVHHN1.3517e-67.1090e-76.8025e-75.1391e-72.2032e-73.5433e-64.1502e-62.4230e-72.8261e-869.9307
ZCCA IVHHE1.3860e-65.2475e-76.2761e-74.4890e-71.6219e-72.9651e-63.8934e-61.9673e-71.7727e-869.9307
POPM GUHHZ4.8422e-61.8014e-61.6510e-68.6046e-74.0875e-71.9868e-51.0060e-55.5244e-76.6580e-874.0276
POPM GUHHN1.0979e-53.7419e-63.4889e-61.3077e-65.0442e-73.4636e-52.1675e-56.3950e-79.3936e-874.0276
POPM GUHHE8.1049e-62.7114e-62.7327e-69.3065e-74.1100e-71.6574e-52.0935e-55.7583e-77.9576e-874.0276
CARD GUHHZ2.6598e-66.0200e-75.1163e-72.7907e-79.7264e-81.1009e-53.6376e-61.1347e-71.5703e-895.3273
CARD GUHHN6.5251e-61.6782e-61.2319e-66.9911e-72.7745e-72.8295e-57.2718e-63.1394e-73.6560e-895.3273
CARD GUHHE5.3155e-61.1093e-61.1479e-65.7319e-72.3902e-72.2643e-58.6801e-62.9449e-73.5652e-895.3273
GSCL GUHHZ1.7597e-63.7489e-74.2237e-72.3018e-79.9699e-83.8337e-62.6710e-61.4964e-71.2670e-895.9296
GSCL GUHHN1.7440e-66.1691e-76.3140e-73.2723e-71.5763e-74.6373e-63.9948e-62.1167e-72.0484e-895.9296
GSCL GUHHE1.5235e-65.0351e-75.9696e-74.1914e-72.1039e-72.9918e-63.9035e-63.0522e-72.0622e-895.9296
PII IVHHZ1.0999e-52.1931e-61.1886e-63.2875e-71.4819e-72.8613e-55.2317e-62.3507e-74.0396e-896.4253
PII IVHHN4.5937e-61.3380e-61.5279e-65.5101e-72.4203e-71.2903e-51.1072e-53.1102e-74.0642e-896.4253
PII IVHHE4.6324e-61.3532e-61.3672e-66.0886e-72.2413e-71.3915e-56.2747e-62.7876e-73.8108e-896.4253
SARM GUEHZ9.8449e-74.6200e-74.6298e-74.6096e-71.5023e-73.6329e-63.2249e-61.6461e-71.9113e-8104.0283
SARM GUEHN1.9655e-61.4130e-61.0247e-61.7922e-65.8615e-73.1236e-63.9969e-66.6733e-76.3463e-8104.0283
SARM GUEHE1.2050e-66.4198e-76.2621e-77.3901e-72.0367e-73.3088e-63.0949e-62.5737e-72.6143e-8104.0283
VLC MNHHZ1.3847e-63.9320e-72.8294e-72.1963e-71.0738e-74.2360e-61.1413e-61.2135e-79.4323e-9104.5281
VLC MNHHN1.2170e-65.1086e-74.1806e-73.7721e-71.2175e-73.5329e-62.4178e-61.2544e-71.4132e-8104.5281
VLC MNHHE1.6751e-62.6417e-72.8693e-71.7782e-77.7646e-82.4196e-61.5462e-61.0148e-78.5223e-9104.5281
*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
 
Disclaimer & Privacy

IT Italiano
UniGE-Distav
Search
HTML5 Powered