RSNI - Manually revised location

MANUAL Location - Area: Appennino modenese , magnitude (M_L): 0.8
2023-03-19 19:02:20 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2023-03-20 08:33:44

Earthquake info - Manual location

Event - ID :	230319190053
Magnitude (M_L) :	0.8 +/- 0.2
Origin Time :	2023-03-19 19:02:20.764 (UTC)
Location :	Latitude: 44.335 N, Longitude: 10.964 E
Area :	Appennino modenese
Depth (km) :	25.57
Distances (km) :	2.9 --- Zocca 6.7 --- Castel d Aiano 7.2 --- Montese 10.3 --- Pavullo nel Frignano 10.4 --- Guiglia 10.8 --- Savigno 13.1 --- Vergato 13.7 --- Marano sul Panaro 14.5 --- Castello di Serravalle 15.4 --- Gaggio Montano 16.9 --- Vignola 17.2 --- Savignano sul Panaro 17.3 --- Serramazzoni 17.3 --- Grizzana Morandi 18.7 --- Lama Mocogno 18.7 --- Monteveglio 19.0 --- Castelvetro di Modena 19.1 --- Polinago 19.1 --- Sestola 19.2 --- Marzabotto

Quality location estimate: Erh: 1.4 km, Erz: 4.2 km, Nf: 16, Gap: 178 °, Rms: 0.14

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.
ZCCA	IV	2023-03-19 19:02:26.210	0.013	0	-0.01	1.51	2023-03-19 19:02:30.776	0.100	2	0.18	1.16	26.3
GSCL	GU	2023-03-19 19:02:28.593	0.120	5	0.08	1.38	2023-03-19 19:02:34.057	0.200	5	-0.20	0.84	39.8
POPM	GU	2023-03-19 19:02:28.781	0.080	3	-0.14	0.99	2023-03-19 19:02:34.390	0.127	3	-0.66	0.10	44.5
BDI	IV	2023-03-19 19:02:29.740	0.020	0	-0.02	1.48	2023-03-19 19:02:36.210	0.139	4	-0.27	0.69	49.6
SARM	GU	2023-03-19 19:02:30.760	0.020	0	0.01	1.50	2023-03-19 19:02:38.030	0.156	4	-0.12	0.99	54.7
CARD	GU	2023-03-19 19:02:32.718	0.180	7	1.67	0.00	2023-03-19 19:02:38.810	0.040	0	0.17	1.14	57.6
MAIM	GU	2023-03-19 19:02:32.530	0.028	1	0.18	1.17	2023-03-19 19:02:41.127	0.100	2	0.31	0.77	65.4
EQUI	GU	2023-03-19 19:02:33.855	0.020	0	0.16	1.23	2023-03-19 19:02:43.228	0.040	0	0.18	1.04	72.0

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
GSCL	GU	HH	0.71	3.70e-2	39.8	274
POPM	GU	HH	0.65	5.31e-2	44.5	207
BDI	IV	HH	1.11	7.47e-2	49.6	224
SARM	GU	EH	0.90	3.64e-2	54.7	250
CARD	GU	HH	1.03	3.66e-2	57.6	228
MAIM	GU	HH	0.56	8.50e-3	65.4	219
EQUI	GU	HH	0.59	8.17e-3	72.0	254

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.
(°)

ZCCA

HHZ

1.1444e-5

1.4409e-6

8.5513e-7

3.1410e-7

1.3725e-7

1.4508e-5

6.1397e-6

2.0625e-7

2.8854e-8

26.3

ZCCA

HHN

5.3886e-6

9.0706e-7

9.8522e-7

4.3391e-7

1.5476e-7

1.3848e-5

5.3148e-6

2.1385e-7

2.9152e-8

26.3

ZCCA

HHE

8.1458e-6

2.8165e-6

2.1808e-6

1.2864e-6

5.6797e-7

9.1978e-6

1.6791e-5

7.6706e-7

8.9993e-8

26.3

GSCL

HHZ

2.6447e-6

2.9019e-7

1.2453e-7

6.4786e-8

2.1627e-8

2.8224e-6

7.9066e-7

3.2136e-8

5.4091e-9

39.8

274

GSCL

HHN

3.5543e-6

4.5424e-7

3.6696e-7

1.4757e-7

5.8452e-8

5.0947e-6

1.6797e-6

8.1848e-8

1.1841e-8

39.8

274

GSCL

HHE

1.8079e-6

2.8820e-7

2.8198e-7

1.3025e-7

5.1299e-8

2.9159e-6

1.5190e-6

6.8713e-8

8.6394e-9

39.8

274

POPM

HHZ

2.7967e-6

3.2060e-7

1.9968e-7

5.5286e-8

2.5335e-8

5.9252e-6

9.4206e-7

3.5674e-8

7.0602e-9

44.5

207

POPM

HHN

2.2244e-6

4.3689e-7

3.1850e-7

8.6294e-8

3.8259e-8

5.9784e-6

1.6241e-6

5.2928e-8

1.1746e-8

44.5

207

POPM

HHE

2.2255e-6

6.1583e-7

4.9108e-7

1.2967e-7

6.3621e-8

4.4661e-6

3.6347e-6

9.6688e-8

1.6549e-8

44.5

207

BDI

HHZ

2.5661e-6

6.1727e-7

3.3446e-7

9.7820e-8

5.2573e-8

1.0052e-5

2.4864e-6

7.5861e-8

1.4395e-8

49.6

224

BDI

HHN

3.1982e-6

6.7733e-7

5.1304e-7

1.9677e-7

9.5220e-8

1.3853e-5

3.2645e-6

1.2723e-7

1.6968e-8

49.6

224

BDI

HHE

3.3894e-6

8.5108e-7

6.5149e-7

2.2520e-7

1.2275e-7

1.3259e-5

3.4711e-6

1.7948e-7

2.5198e-8

49.6

224

SARM

EHZ

3.0667e-7

9.0843e-8

6.7097e-8

3.7005e-8

1.6339e-8

8.9858e-7

4.2872e-7

2.0895e-8

2.0679e-9

54.7

250

SARM

EHN

5.6343e-7

1.5783e-7

1.5252e-7

1.0870e-7

3.1457e-8

1.0979e-6

8.2576e-7

3.6646e-8

4.3398e-9

54.7

250

SARM

EHE

7.1444e-7

3.0849e-7

2.2283e-7

1.4806e-7

6.2081e-8

1.3790e-6

1.7011e-6

7.6098e-8

9.2392e-9

54.7

250

CARD

HHZ

1.6700e-6

1.7193e-7

9.4887e-8

5.2414e-8

2.3517e-8

2.6682e-6

3.8845e-7

3.0826e-8

3.4491e-9

57.6

228

CARD

HHN

3.1139e-6

4.9006e-7

2.7698e-7

1.3036e-7

6.9681e-8

8.2497e-6

9.4779e-7

9.0300e-8

1.3017e-8

57.6

228

CARD

HHE

2.2646e-6

3.5217e-7

2.0787e-7

8.6779e-8

4.3184e-8

7.5221e-6

8.7880e-7

5.7878e-8

8.5506e-9

57.6

228

MAIM

HHZ

7.2825e-7

6.0781e-8

4.4827e-8

2.2469e-8

1.1751e-8

7.3201e-7

2.7196e-7

1.4183e-8

1.8329e-9

65.4

219

MAIM

HHN

7.8211e-7

8.6978e-8

7.4320e-8

3.7498e-8

1.5759e-8

9.0247e-7

3.9951e-7

1.8119e-8

2.3334e-9

65.4

219

MAIM

HHE

3.6914e-7

5.5704e-8

5.5795e-8

2.9740e-8

1.2947e-8

7.5164e-7

3.7862e-7

1.5945e-8

2.0438e-9

65.4

219

EQUI

HHZ

1.7349e-7

2.8978e-8

2.4556e-8

1.7398e-8

8.9007e-9

2.8569e-7

1.2912e-7

1.0193e-8

9.8795e-10

72.0

254

EQUI

HHN

1.6890e-7

5.1822e-8

3.7133e-8

4.3284e-8

4.6298e-8

3.1249e-7

2.8436e-7

7.2440e-8

4.1747e-9

72.0

254

EQUI

HHE

1.4326e-7

4.7842e-8

2.8077e-8

3.6170e-8

4.8610e-8

3.1090e-7

1.5002e-7

9.5505e-8

4.8211e-9

72.0

254

*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)

MANUAL Location - Area: Appennino modenese , magnitude (ML): 0.8 2023-03-19 19:02:20 (UTC)

MANUAL Location - Area: Appennino modenese , magnitude (M_L): 0.8
2023-03-19 19:02:20 (UTC)