Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 23-09-2022 and time 07:16:12 (UTC) in region 4 km W Vergato (BO)

A magnitude ML 1.7 earthquake occured in region: 4 km W Vergato (BO), on

  • 23-09-2022 07:16:12 (UTC)
  • 23-09-2022 09:16:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2880, 11.0690 at 18 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Vergato BO 4 7639 7639
Castel d'Aiano BO 5 1906 9545
Grizzana Morandi BO 8 3916 13461
Zocca MO 9 4719 18180
Montese MO 10 3353 21533
Marzabotto BO 12 6779 28312
Camugnano BO 13 1885 30197
Castel di Casio BO 14 3448 33645
Gaggio Montano BO 14 4878 38523
San Benedetto Val di Sambro BO 15 4315 42838
Monzuno BO 16 6328 49166
Alto Reno Terme BO 16 6960 56126
Castiglione dei Pepoli BO 18 5648 61774
Guiglia MO 18 3931 65705
Sasso Marconi BO 19 14735 80440
Pavullo nel Frignano MO 20 17383 97823
Lizzano in Belvedere BO 20 2212 100035

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Bologna (386663 inhabitants)
41 Km NE of Pistoia (90315 inhabitants)
42 Km S of Modena (184973 inhabitants)
45 Km N of Prato (191150 inhabitants)
52 Km W of Imola (69797 inhabitants)
57 Km S of Carpi (70699 inhabitants)
57 Km SE of Reggio nell'Emilia (171345 inhabitants)
60 Km N of Firenze (382808 inhabitants)
60 Km N of Scandicci (50609 inhabitants)
65 Km W of Faenza (58541 inhabitants)
67 Km NE of Lucca (89046 inhabitants)
75 Km SW of Ferrara (133155 inhabitants)
78 Km W of Forlì (117913 inhabitants)
79 Km E of Massa (69479 inhabitants)
80 Km NE of Viareggio (62467 inhabitants)
81 Km E of Carrara (63133 inhabitants)
82 Km SE of Parma (192836 inhabitants)
83 Km NE of Pisa (89158 inhabitants)
91 Km W of Ravenna (159116 inhabitants)
95 Km W of Cesena (96758 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
Bulletin
Rev1000 		ML 1.7 2022-09-23
07:16:12		 44.2878 11.069 19 2024-03-01
15:28:14		 Bollettino Sismico Italiano INGV 113431261
Reviewed
Rev100 		ML 1.8 2022-09-23
07:16:12		 44.2825 11.0793 20 2022-09-23
07:21:38		 Sala Sismica INGV-Roma 110042971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-23 07:16:12 ± 0.18
Latitude 44.2878 ± 0.0081
Longitude 11.0690 ± 0.0101
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113431261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 883
Semi-minor axis of confidence ellipse (meter) 427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.54949
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 110042971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-23 07:21:38

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 113431261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-09 14:29:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.VLC.HHZ. 2022-09-23T07:16:30.99 0.3 undecidable manual S 256 56.0994 100 0.71 56
IV.CRMI.HNN. 2022-09-23T07:16:30.23 0.6 undecidable manual S 187 55.1004 100 0.23 45
IV.VMGN.HHN. 2022-09-23T07:16:29.89 0.1 undecidable manual S 135 52.2033 101 0.63 82
IV.BOSL.HHZ. 2022-09-23T07:16:28.20 0.3 undecidable manual S 148 46.4202 102 0.45 65
GU.POPM.HHZ. 2022-09-23T07:16:25.19 0.6 undecidable manual S 223 36.6411 107 -0.02 48
IV.SEI.HHZ. 2022-09-23T07:16:24.92 0.6 undecidable manual S 138 34.6431 108 0.21 47
IV.MPPT.EHZ. 2022-09-23T07:16:24.77 0.6 undecidable manual S 177 36.6411 107 -0.45 44
IV.RUFI.EHE. 2022-09-23T07:16:24.24 1.0 undecidable manual P 145 60.9945 99 0.66 20
MN.VLC.HHZ. 2022-09-23T07:16:23.10 0.1 positive manual P 256 56.0994 100 0.26 88
IV.MOCL.EHZ. 2022-09-23T07:16:23.56 0.6 undecidable manual S 164 32.6451 109 -0.63 41
IV.VISG.HHZ. 2022-09-23T07:16:23.89 0.6 undecidable manual S 111 31.0467 111 0.1 48
IV.VMGN.HHN. 2022-09-23T07:16:22.35 0.1 undecidable manual P 135 52.2033 101 0.1 92
IV.CRMI.HNN. 2022-09-23T07:16:22.60 0.6 undecidable manual P 187 55.1004 100 -0.08 46
IV.BOSL.HHZ. 2022-09-23T07:16:21.51 0.1 positive manual P 148 46.4202 102 0.13 93
IV.RAVA.EHN. 2022-09-23T07:16:21.72 0.1 undecidable manual P 4 52.1034 101 -0.5 85
IV.ZCCA.HHZ. 2022-09-23T07:16:20.06 0.6 undecidable manual S 314 10.1787 146 0.77 40
IV.BDI.HHZ. 2022-09-23T07:16:20.96 0.1 undecidable manual P 237 45.2214 103 -0.23 92
IV.SEI.HHZ. 2022-09-23T07:16:19.42 0.1 positive manual P 138 34.6431 108 -0.2 93
IV.MOCL.EHZ. 2022-09-23T07:16:19.12 0.1 positive manual P 164 32.6451 109 -0.2 93
IV.VISG.HHZ. 2022-09-23T07:16:19.03 0.1 negative manual P 111 31.0467 111 -0.06 96
IV.MPPT.EHZ. 2022-09-23T07:16:19.71 0.1 positive manual P 177 36.6411 107 -0.21 93
IV.FNVD.HHZ. 2022-09-23T07:16:19.92 0.3 undecidable manual S 162 13.9749 136 -0.01 75
IV.MTRZ.HNZ. 2022-09-23T07:16:19.07 0.1 undecidable manual P 84 28.3494 113 0.36 91
GU.POPM.HHZ. 2022-09-23T07:16:19.77 0.1 positive manual P 223 36.6411 107 -0.14 94
IV.FNVD.HHZ. 2022-09-23T07:16:16.00 0.1 positive manual P 162 13.9749 136 -0.87 78
IV.ZCCA.HHZ. 2022-09-23T07:16:16.39 0.1 positive manual P 314 10.1787 146 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHN. ML:1.9 0.0006129999999999999 0.2 AML other m 2022-09-23T07:16:18.66
IV.FNVD.HHE. ML:2.1 0.0008774999999999999 0.62 AML other m 2022-09-23T07:16:20.47
IV.MOCL.EHE. ML:2.0 0.0003565 0.46 AML other m 2022-09-23T07:16:24.28
IV.ZCCA.HHE. ML:1.5 0.00026250000000000004 0.5 AML other m 2022-09-23T07:16:24.55
IV.VISG.HHE. ML:1.0 0.00003795 0.44 AML other m 2022-09-23T07:16:24.40
GU.POPM.HHE. ML:1.9 0.00029200000000000005 0.72 AML other m 2022-09-23T07:16:25.27
IV.MOCL.EHN. ML:1.7 0.0002145 0.54 AML other m 2022-09-23T07:16:25.29
IV.MPPT.EHN. ML:1.5 0.0001059 0.18 AML other m 2022-09-23T07:16:25.39
IV.ZCCA.HHN. ML:1.5 0.0002725 0.42 AML other m 2022-09-23T07:16:25.35
GU.POPM.HHN. ML:2.1 0.0004685 0.18 AML other m 2022-09-23T07:16:25.55
IV.MPPT.EHE. ML:1.6 0.00015099999999999998 0.46 AML other m 2022-09-23T07:16:25.66
IV.SEI.HHE. ML:1.8 0.000223 1.24 AML other m 2022-09-23T07:16:25.74
IV.SEI.HHN. ML:2.0 0.00035 0.24 AML other m 2022-09-23T07:16:25.78
IV.VISG.HHN. ML:1.2 0.00006459999999999998 0.5 AML other m 2022-09-23T07:16:26.87
IV.BOSL.HHE. ML:0.9 0.0000177 0.4 AML other m 2022-09-23T07:16:28.30
IV.BOSL.HHN. ML:0.8 0.000013549999999999999 0.94 AML other m 2022-09-23T07:16:28.76
MN.VLC.HHE. ML:1.4 0.00006205 0.52 AML other m 2022-09-23T07:16:31.82
MN.VLC.HHN. ML:1.5 0.0000732 0.64 AML other m 2022-09-23T07:16:31.88
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