MANUAL Location - Area: Casentino , magnitude (ML): 2.8
2025-07-13 13:25:29 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2025-07-14 07:51:44

20 km
Lat : Lon
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Earthquake info - Manual location
Event - ID :250713132456
Magnitude (ML) :2.8 +/- 0.2
Origin Time :2025-07-13 13:25:29.283 (UTC)
Location : Latitude: 43.798 N, Longitude: 11.951 E
Area :Casentino
Depth (km) :12.62
Distances (km) : 4.4 --- Verghereto
7.3 --- Bagno di Romagna
11.3 --- Chiusi della Verna
15.5 --- Bibbiena
15.8 --- Pieve Santo Stefano
16.1 --- Chitignano
16.5 --- Casteldelci
16.8 --- Poppi
16.9 --- Santa Sofia
17.5 --- Caprese Michelangelo
18.4 --- Pratovecchio
18.5 --- Castel Focognano
19.4 --- Stia
20.6 --- Sarsina
20.7 --- Castel San Niccolo
20.9 --- Ortignano Raggiolo
21.4 --- Badia Tedalda
22.1 --- Sant Agata Feltria
22.4 --- Galeata
23.4 --- Civitella di Romagna

Quality location estimate: Erh: 1.8 km, Erz: 1.2 km, Nf: 26, Gap: 251 °, Rms: 0.30


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.
RUFIIV2025-07-13 13:25:36.5600.0190-0.011.782025-07-13 13:25:42.3800.11430.081.6137.8
LMDIV2025-07-13 13:25:35.9800.0190-1.160.052025-07-13 13:25:41.8100.1163-1.680.0138.8
CSNTIV2025-07-13 13:25:41.6800.03310.151.572025-07-13 13:25:49.9300.4048-0.240.9165.5
OSSCIV2025-07-13 13:25:41.6880.0200-0.031.692025-07-13 13:25:51.5050.04001.010.3965.7
IMOLIV2025-07-13 13:25:42.0500.0321-0.081.552025-07-13 13:25:53.0450.20160.341.1565.8
MTRZIV2025-07-13 13:25:43.4100.03610.830.502025-07-13 13:25:55.3950.04001.920.0272.2
POPMGU2025-07-13 13:25:47.1700.05020.131.542025-07-13 13:26:00.7200.30270.371.05100.3
PIIIV2025-07-13 13:25:49.8900.05820.510.832025-07-13 13:26:03.8500.0400-0.171.07115.5
MAIMGU2025-07-13 13:25:49.8700.05920.121.492025-07-13 13:26:04.2000.3828-0.460.69118.3
CARDGU2025-07-13 13:25:50.1200.18080.151.372025-07-13 13:26:05.1020.04000.141.24121.0
GSCLGU2025-07-13 13:25:51.9800.0633-0.151.222025-07-13 13:26:08.7790.0400-0.161.04125.7
VLCMN2025-07-13 13:25:51.5000.0200-0.061.412025-07-13 13:26:10.4350.04002.780.00132.1
CMEIT2025-07-13 13:25:52.1280.02000.460.932025-07-13 13:26:09.0550.04001.140.36133.9
SERMIV2025-07-13 13:25:57.4250.02000.880.522025-07-13 13:26:14.9850.0400-1.670.00145.0


Local magnitude (ML) calculation results
Station Net Channels Stat. Mag. Wood-And.
Ampl.
Dist. (km) Azimuth
OSSC IVHH2.851.81e+065.7242
MTRZ IVHH2.741.15e+072.2324
POPM GUHH2.731.09e+0100.3286
PII IVHH2.834.78e-1115.5266
MAIM GUHH2.723.08e-1118.3277
CARD GUHH2.814.02e-1121.0283
GSCL GUHH2.592.21e-1125.7300
VLC MNHH2.531.19e-1132.1288
CME ITHN3.116.16e-1133.9278


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.
(°)
OSSC IVHHZ3.9818e-51.1455e-51.1498e-58.5426e-64.7416e-61.1239e-47.0227e-55.2521e-64.5051e-765.7242
OSSC IVHHN3.5627e-51.4740e-51.4525e-58.4286e-63.6305e-68.0812e-58.6924e-55.1588e-65.2016e-765.7242
OSSC IVHHE4.2185e-51.6470e-51.4855e-57.9331e-63.3227e-61.0512e-49.9228e-54.0631e-65.5165e-765.7242
MTRZ IVHHZ1.1031e-56.1025e-64.1283e-64.5279e-61.9535e-61.7101e-52.6493e-52.0704e-62.0371e-772.2324
MTRZ IVHHN2.4870e-51.0461e-58.6028e-65.7585e-62.5755e-62.7023e-55.8925e-52.6901e-63.1571e-772.2324
MTRZ IVHHE5.9462e-62.9755e-62.9877e-62.2375e-68.8746e-78.5011e-62.3902e-51.0919e-61.0969e-772.2324
POPM GUHHZ1.5879e-54.6045e-63.9279e-61.9194e-68.6306e-73.1581e-52.9867e-51.0832e-61.2428e-7100.3286
POPM GUHHN4.5092e-51.3509e-51.0096e-52.4184e-61.3918e-69.2842e-54.8101e-52.1230e-63.4002e-7100.3286
POPM GUHHE2.0825e-56.0659e-65.6706e-61.8699e-69.2458e-74.8866e-53.0469e-51.3316e-61.6484e-7100.3286
PII IVHHZ1.1453e-53.1976e-62.8948e-61.1461e-65.0397e-71.9977e-51.3758e-57.0284e-78.8724e-8115.5266
PII IVHHN9.7629e-64.0047e-63.2007e-62.1746e-61.1245e-61.4902e-52.9638e-51.1649e-61.1963e-7115.5266
PII IVHHE7.7818e-63.4577e-63.9318e-61.8714e-69.4592e-71.4321e-53.5992e-51.1876e-69.8885e-8115.5266
MAIM GUHHZ5.4926e-61.4004e-61.7039e-68.1758e-73.2440e-71.0968e-59.8381e-64.3117e-74.8581e-8118.3277
MAIM GUHHN7.3934e-62.0288e-62.0913e-61.4272e-67.0142e-71.9866e-51.2964e-57.7731e-77.3481e-8118.3277
MAIM GUHHE5.8818e-62.0579e-61.5941e-67.5035e-74.1522e-72.1499e-58.1172e-65.0124e-74.7366e-8118.3277
CARD GUHHZ4.8196e-61.5528e-61.5422e-61.0088e-63.6896e-71.6837e-57.9992e-64.5511e-74.6490e-8121.0283
CARD GUHHN1.6417e-54.1070e-63.4257e-61.4238e-65.8932e-73.3479e-51.6821e-58.2556e-71.0736e-7121.0283
CARD GUHHE1.4210e-53.9388e-62.9344e-61.0817e-64.4783e-73.8077e-51.7679e-56.0125e-77.9323e-8121.0283
GSCL GUHHZ2.6253e-69.9742e-71.0614e-68.4022e-73.6532e-73.6368e-65.3965e-65.2181e-74.0247e-8125.7300
GSCL GUHHN4.6936e-61.8303e-61.4371e-67.9348e-73.4071e-75.6387e-69.8318e-64.1607e-75.1194e-8125.7300
GSCL GUHHE3.0871e-61.3745e-69.9814e-76.4451e-73.5796e-73.7417e-68.7070e-64.4923e-73.8950e-8125.7300
VLC MNHHZ2.2739e-65.8529e-76.8758e-74.2103e-71.6944e-76.0421e-63.5928e-62.0326e-72.0268e-8132.1288
VLC MNHHN2.9502e-68.1342e-76.8962e-73.0222e-71.6293e-74.5855e-65.6038e-62.1986e-72.8047e-8132.1288
VLC MNHHE1.8248e-64.5291e-74.3385e-72.6016e-71.2379e-74.7683e-62.0073e-61.3515e-71.1245e-8132.1288
CME ITHNZ6.9466e-61.6686e-61.8263e-69.5831e-73.8376e-71.4522e-59.9413e-64.2585e-75.1462e-8133.9278
CME ITHNN1.4253e-53.9622e-62.6121e-61.2127e-65.2951e-71.6862e-51.8738e-56.0714e-77.3148e-8133.9278
CME ITHNE1.0567e-52.6055e-62.3239e-69.8988e-74.2465e-71.9563e-51.4189e-55.2675e-77.3437e-8133.9278
*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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