Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 16-10-2023 and time 19:00:05 (Italy) in region 4 km S Lizzano in Belvedere (BO)

A magnitude ML 1.2 earthquake occured in region: 4 km S Lizzano in Belvedere (BO), on

  • 16-10-2023 17:00:05 (UTC)
  • 16-10-2023 19:00:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1270, 10.8960 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lizzano in Belvedere BO 4 2212 2212
Alto Reno Terme BO 7 6960 9172
Sambuca Pistoiese PT 9 1626 10798
Gaggio Montano BO 9 4878 15676
San Marcello Pistoiese PT 11 6416 22092
Cutigliano PT 12 1488 23580
Castel di Casio BO 12 3448 27028
Fanano MO 12 2989 30017
Piteglio PT 15 1683 31700
Sestola MO 15 2508 34208
Montese MO 16 3353 37561
Camugnano BO 16 1885 39446
Abetone PT 19 621 40067
Castel d'Aiano BO 19 1906 41973
Montecreto MO 20 940 42913

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Pistoia (90315 inhabitants)
32 Km NW of Prato (191150 inhabitants)
44 Km NE of Lucca (89046 inhabitants)
47 Km NW of Scandicci (50609 inhabitants)
49 Km NW of Firenze (382808 inhabitants)
54 Km SW of Bologna (386663 inhabitants)
58 Km S of Modena (184973 inhabitants)
59 Km E of Viareggio (62467 inhabitants)
60 Km NE of Pisa (89158 inhabitants)
61 Km E of Massa (69479 inhabitants)
64 Km E of Carrara (63133 inhabitants)
67 Km SE of Reggio nell'Emilia (171345 inhabitants)
70 Km W of Imola (69797 inhabitants)
73 Km S of Carpi (70699 inhabitants)
79 Km NE of Livorno (159219 inhabitants)
81 Km W of Faenza (58541 inhabitants)
85 Km E of La Spezia (93959 inhabitants)
88 Km SE of Parma (192836 inhabitants)
92 Km W of Forlì (117913 inhabitants)
96 Km NW of Siena (53903 inhabitants)
98 Km SW of Ferrara (133155 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 1.2 2023-10-16
17:00:05		 44.127 10.896 16 2023-10-16
17:04:54		 Sala Sismica INGV-Roma 122130971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-16 17:00:05 ± 0.11
Latitude 44.1270 ± 0.0054
Longitude 10.8960 ± 0.0050
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122130971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 514
Semi-minor axis of confidence ellipse (meter) 391
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.12051
Epicentral distance of station farthest from the epicenter (degree) 0.36692
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 122130971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-16 17:04:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.VLC.HHZ. 2023-10-16T17:00:19.04 0.6 undecidable manual S 275 40.7259 100 -0.01 51
IV.SEI.HHZ. 2023-10-16T17:00:18.33 0.3 undecidable manual S 102 37.7289 101 0.06 76
IV.MOCL.EHZ. 2023-10-16T17:00:15.36 0.3 undecidable manual S 121 26.4513 108 0.02 79
IV.ZCCA.HHZ. 2023-10-16T17:00:15.43 0.6 undecidable manual S 14 25.6521 109 0.29 49
IV.MPPT.EHZ. 2023-10-16T17:00:14.93 0.3 undecidable manual S 140 24.3534 110 0.12 78
IV.BDI.HHZ. 2023-10-16T17:00:14.77 0.3 undecidable manual S 254 24.9528 109 -0.2 76
MN.VLC.HHZ. 2023-10-16T17:00:13.23 0.6 positive manual P 275 40.7259 100 -0.15 50
GU.MAIM.HHZ. 2023-10-16T17:00:13.52 0.6 undecidable manual P 234 40.0266 100 0.25 50
IV.FNVD.HHZ. 2023-10-16T17:00:13.00 0.1 undecidable manual S 76 18.5703 119 -0.42 100
IV.SEI.HHZ. 2023-10-16T17:00:12.81 0.3 undecidable manual P 102 37.7289 101 -0.11 77
IV.PSL.EHN. 2023-10-16T17:00:12.41 0.3 undecidable manual S 169 13.3755 131 0.15 80
IV.MOCL.EHZ. 2023-10-16T17:00:11.18 0.3 undecidable manual P 121 26.4513 108 -0.05 79
IV.ZCCA.HHZ. 2023-10-16T17:00:11.50 0.3 undecidable manual P 14 25.6521 109 0.39 73
IV.MPPT.EHZ. 2023-10-16T17:00:10.99 0.3 undecidable manual P 140 24.3534 110 0.06 79
IV.BDI.HHZ. 2023-10-16T17:00:10.91 0.6 negative manual P 254 24.9528 109 -0.11 52
IV.FNVD.HHZ. 2023-10-16T17:00:09.82 0.6 undecidable manual P 76 18.5703 119 -0.3 51
IV.PSL.EHN. 2023-10-16T17:00:09.54 0.3 undecidable manual P 169 13.3755 131 0.09 80
GU.POPM.HHE. 2023-10-16T17:00:09.60 0.3 undecidable manual P 231 14.3745 128 0.03 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHN. ML:1.4 0.00012145 0.38 AML other m 2023-10-16T17:00:15.18
IV.BDI.HHE. ML:1.3 0.000096 0.76 AML other m 2023-10-16T17:00:15.74
IV.FNVD.HHE. ML:-0.1 0.0000028302435 0.192 AML other m 2023-10-16T17:00:13.79
IV.FNVD.HHN. ML:0.0 0.0000002288298 0.2304 AML other m 2023-10-16T17:00:12.41
IV.BDI.HNE. ML:1.3 0.0001057882 0.4352 AML other m 2023-10-16T17:00:16.75
IV.BDI.HNN. ML:1.5 0.00018061515000000002 1.1264 AML other m 2023-10-16T17:00:12.49
IV.MOCL.EHE. ML:0.9 0.000040430305 0.1536 AML other m 2023-10-16T17:00:16.54
IV.MOCL.EHN. ML:1.3 0.0000915757 0.1792 AML other m 2023-10-16T17:00:15.46
IV.ZCCA.HHE. ML:1.0 0.000049800685 0.3584 AML other m 2023-10-16T17:00:17.40
IV.ZCCA.HHN. ML:0.9 0.00004493743 0.384 AML other m 2023-10-16T17:00:17.76
IV.ZCCA.HNE. ML:1.3 0.000096940395 0.4224 AML other m 2023-10-16T17:00:18.08
IV.ZCCA.HNN. ML:1.4 0.00014140059999999998 0.64 AML other m 2023-10-16T17:00:13.67
IV.SEI.HHE. ML:1.1 0.000039659440000000005 0.3584 AML other m 2023-10-16T17:00:19.99
IV.SEI.HHN. ML:1.1 0.00004736364 0.4224 AML other m 2023-10-16T17:00:21.80
MN.VLC.HHE. ML:1.0 0.000027670815 1.024 AML other m 2023-10-16T17:00:31.76
MN.VLC.HHN. ML:1.0 0.000030001069 1.2288 AML other m 2023-10-16T17:00:26.59
MN.VLC.HNE. ML:1.3 0.000072494265 0.8192 AML other m 2023-10-16T17:00:29.81
MN.VLC.HNN. ML:1.4 0.00007645748499999999 0.8704 AML other m 2023-10-16T17:00:26.48
GU.MAIM.HHE. ML:1.2 0.00004770666 1.28 AML other m 2023-10-16T17:00:25.51
GU.MAIM.HHN. ML:1.1 0.000042965865000000006 1.1264 AML other m 2023-10-16T17:00:17.51
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download