Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2026-04-13 20:25:12
| Event - ID : | 260413202017 |
| Magnitude (ML) : | 0.8 +/- 0.3 |
| Origin Time : | 2026-04-13 20:20:42.93 (UTC) |
| Location : | Latitude: 43.920 N, Longitude: 9.969 E |
| Area : | Costa toscana settentrionale |
| Depth (km) : | 5.98 |
| Distances (km) : |
16.4 --- Ameglia (SP) 16.6 --- Carrara (MS) 17.1 --- Massa (MS) 17.2 --- Forte dei Marmi (LU) 18.0 --- Lerici (SP) 18.5 --- Portovenere (SP) 19.9 --- Ortonovo (SP) 20.0 --- Montignoso (MS) 20.5 --- Castelnuovo Magra (SP) 21.4 --- Sarzana (SP) 21.6 --- Pietrasanta (LU) 22.4 --- Arcola (SP) 22.5 --- Seravezza (LU) 23.2 --- Viareggio (LU) 23.9 --- La Spezia (SP) 24.4 --- Fosdinovo (MS) 25.6 --- Vezzano Ligure (SP) 27.1 --- Camaiore (LU) 27.2 --- Santo Stefano di Magra (SP) 27.3 --- Riomaggiore (SP) |
Quality location estimate:
Erh: 2.1 km, Erz: 2.7 km, Nf: 14, Gap: 236°, Rms: 0.238 s
Stazioni validate: 7
| Station | Net | P arrival times | P pick err |
P pick weight |
P res | Nll weight |
S arrival time | S pick err |
S pick weight |
S res | Nll weight |
Dist. |
| PLMA | IV | 2026-04-13 20:20:45.990 | 0.186 | 2 | -0.72 | 0.43 | 2026-04-13 20:20:49.310 | 0.053 | 1 | -0.17 | 1.37 | 18.1 |
| EQUI | GU | 2026-04-13 20:20:48.759 | 0.023 | 0 | 0.00 | 1.43 | 2026-04-13 20:20:52.950 | 0.127 | 2 | -0.06 | 1.38 | 31.7 |
| MAIM | GU | 2026-04-13 20:20:50.090 | 0.026 | 0 | -0.70 | 0.41 | 2026-04-13 20:20:54.813 | 0.242 | 2 | -1.81 | 0.00 | 42.3 |
| VLC | MN | 2026-04-13 20:20:50.450 | 0.028 | 0 | 0.07 | 1.15 | 2026-04-13 20:20:55.810 | 0.222 | 2 | -0.10 | 1.15 | 43.1 |
| CARD | GU | 2026-04-13 20:20:50.259 | 0.027 | 0 | -0.22 | 1.21 | 2026-04-13 20:20:55.542 | 0.145 | 2 | -0.52 | 0.65 | 43.2 |
| SARM | GU | 2026-04-13 20:20:51.110 | 0.034 | 0 | 0.05 | 1.28 | 2026-04-13 20:20:56.900 | 0.135 | 2 | -0.21 | 1.21 | 45.7 |
| POPM | GU | 2026-04-13 20:20:54.020 | 0.038 | 0 | -0.13 | 1.46 | 2026-04-13 20:21:02.139 | 0.193 | 2 | -0.42 | 0.88 | 64.9 |
| Station | Net | Stat. Mag. | Wood-And. Ampl. |
Dist. (km) | Azimuth | Used |
| PLMA | IV | 0.40 | 8.71e-2 | 18.1 | 327 | SI |
| EQUI | GU | 0.60 | 3.96e-2 | 31.7 | 28 | SI |
| CARD | GU | 1.20 | 1.05e-1 | 43.2 | 74 | SI |
| SARM | GU | 0.60 | 2.40e-2 | 45.7 | 50 | SI |
| POPM | GU | 1.20 | 8.64e-2 | 64.9 | 77 | SI |
| Station | Net | Channel | PGA (g) |
PGV (m/s) |
PGD (m) |
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. (°) |
| PLMA | IV | HHZ | 1.8392e-5 | 1.8662e-6 | 0.0000e+0 | 7.1130e-7 | 1.4232e-6 | 2.1270e-6 | 1.1186e-5 | 1.7940e-6 | 2.4048e-7 | 4.0791e-8 | 18.1 | 327 |
| PLMA | IV | HHN | 1.8357e-5 | 1.8669e-6 | 0.0000e+0 | 9.9722e-7 | 1.8586e-6 | 1.8586e-6 | 4.0145e-5 | 1.8644e-6 | 1.8745e-7 | 3.7404e-8 | 18.1 | 327 |
| PLMA | IV | HHE | 2.3013e-5 | 2.7837e-6 | 0.0000e+0 | 1.0484e-6 | 2.1147e-6 | 3.1684e-6 | 3.4002e-5 | 1.6603e-6 | 2.8120e-7 | 5.2877e-8 | 18.1 | 327 |
| EQUI | GU | HHZ | 3.3648e-6 | 3.8354e-7 | 0.0000e+0 | 2.3737e-7 | 4.5452e-7 | 6.5252e-7 | 5.5471e-6 | 9.3539e-7 | 7.8065e-8 | 1.2949e-8 | 31.7 | 28 |
| EQUI | GU | HHN | 5.1621e-6 | 6.1534e-7 | 0.0000e+0 | 2.4677e-7 | 5.2008e-7 | 5.2008e-7 | 6.3045e-6 | 6.4903e-7 | 1.1967e-7 | 1.5391e-8 | 31.7 | 28 |
| EQUI | GU | HHE | 6.7010e-6 | 9.2843e-7 | 0.0000e+0 | 3.4034e-7 | 6.7231e-7 | 1.0003e-6 | 1.1007e-5 | 1.1179e-6 | 1.9356e-7 | 2.1324e-8 | 31.7 | 28 |
| MAIM | GU | HHZ | 2.6535e-6 | 3.3909e-7 | 0.0000e+0 | 1.8986e-7 | 3.6860e-7 | 5.1951e-7 | 4.9000e-6 | 6.9789e-7 | 9.6446e-8 | 1.8128e-8 | 42.3 | -1 |
| MAIM | GU | HHN | 3.8819e-6 | 4.1450e-7 | 0.0000e+0 | 2.5738e-7 | 4.6335e-7 | 4.6335e-7 | 5.0486e-6 | 9.5510e-7 | 9.2384e-8 | 1.4188e-8 | 42.3 | -1 |
| MAIM | GU | HHE | 3.0310e-6 | 5.0320e-7 | 0.0000e+0 | 3.3183e-7 | 5.8683e-7 | 8.0809e-7 | 7.0958e-6 | 9.9974e-7 | 1.1073e-7 | 1.4360e-8 | 42.3 | -1 |
| VLC | MN | HHZ | 2.2403e-6 | 2.8392e-7 | 0.0000e+0 | 2.0090e-7 | 3.5891e-7 | 5.1816e-7 | 4.2782e-6 | 5.1567e-7 | 8.3289e-8 | 1.9586e-8 | 43.1 | -1 |
| VLC | MN | HHN | 3.9354e-6 | 4.0945e-7 | 0.0000e+0 | 2.7985e-7 | 4.7156e-7 | 4.7156e-7 | 9.6013e-6 | 6.9162e-7 | 9.5195e-8 | 2.4716e-8 | 43.1 | -1 |
| VLC | MN | HHE | 3.9896e-6 | 7.2666e-7 | 0.0000e+0 | 4.3442e-7 | 8.0140e-7 | 1.1453e-6 | 1.7525e-5 | 1.0166e-6 | 8.3639e-8 | 1.5113e-8 | 43.1 | -1 |
| CARD | GU | HHZ | 8.1494e-6 | 9.0797e-7 | 0.0000e+0 | 4.6439e-7 | 8.9425e-7 | 1.3037e-6 | 1.3582e-5 | 7.3615e-7 | 8.8276e-8 | 1.9677e-8 | 43.2 | 74 |
| CARD | GU | HHN | 2.0402e-5 | 2.3731e-6 | 0.0000e+0 | 1.2760e-6 | 2.2738e-6 | 2.2738e-6 | 4.2189e-5 | 2.0611e-6 | 2.3761e-7 | 4.9157e-8 | 43.2 | 74 |
| CARD | GU | HHE | 1.6371e-5 | 1.6631e-6 | 0.0000e+0 | 1.0077e-6 | 1.7767e-6 | 2.5065e-6 | 3.7684e-5 | 1.9966e-6 | 1.6832e-7 | 3.8063e-8 | 43.2 | 74 |
| SARM | GU | EHZ | 1.6166e-6 | 2.4136e-7 | 0.0000e+0 | 1.3975e-7 | 2.5170e-7 | 3.5438e-7 | 3.7516e-6 | 4.9859e-7 | 5.5925e-8 | 1.1571e-8 | 45.7 | 50 |
| SARM | GU | EHN | 3.5430e-6 | 3.7698e-7 | 0.0000e+0 | 2.3044e-7 | 4.3442e-7 | 4.3442e-7 | 6.2386e-6 | 6.6319e-7 | 1.3691e-7 | 1.2427e-8 | 45.7 | 50 |
| SARM | GU | EHE | 3.3061e-6 | 3.4590e-7 | 0.0000e+0 | 2.0292e-7 | 3.7429e-7 | 5.4110e-7 | 6.6784e-6 | 6.2558e-7 | 7.4583e-8 | 1.4784e-8 | 45.7 | 50 |
| POPM | GU | HHZ | 6.3213e-6 | 8.4164e-7 | 0.0000e+0 | 4.9246e-7 | 9.2282e-7 | 1.3371e-6 | 1.0674e-5 | 1.6184e-6 | 9.3095e-8 | 2.0827e-8 | 64.9 | 77 |
| POPM | GU | HHN | 7.0238e-6 | 1.1331e-6 | 0.0000e+0 | 7.9048e-7 | 1.3274e-6 | 1.3274e-6 | 1.8618e-5 | 2.3546e-6 | 1.2994e-7 | 2.7034e-8 | 64.9 | 77 |
| POPM | GU | HHE | 6.7498e-6 | 1.1654e-6 | 0.0000e+0 | 9.1039e-7 | 1.5372e-6 | 2.1249e-6 | 1.4272e-5 | 4.0882e-6 | 1.9504e-7 | 3.1757e-8 | 64.9 | 77 |
| *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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