Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 16-05-2022 and time 07:21:12 (Italy) in region 3 km N San Benedetto Val di Sambro (BO)

A magnitude ML 1.4 earthquake occured in region: 3 km N San Benedetto Val di Sambro (BO), on

  • 16-05-2022 05:21:12 (UTC)
  • 16-05-2022 07:21:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2450, 11.2420 at 17 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
San Benedetto Val di Sambro BO 3 4315 4315
Monzuno BO 4 6328 10643
Monghidoro BO 7 3749 14392
Loiano BO 7 4294 18686
Grizzana Morandi BO 7 3916 22602
Vergato BO 11 7639 30241
Marzabotto BO 11 6779 37020
Castiglione dei Pepoli BO 13 5648 42668
Camugnano BO 15 1885 44553
Monterenzio BO 16 6035 50588
Sasso Marconi BO 17 14735 65323
Pianoro BO 18 17460 82783
Firenzuola FI 18 4726 87509
Castel di Casio BO 19 3448 90957
Castel d'Aiano BO 20 1906 92863

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km S of Bologna (386663 inhabitants)
40 Km W of Imola (69797 inhabitants)
42 Km N of Prato (191150 inhabitants)
43 Km NE of Pistoia (90315 inhabitants)
51 Km SE of Modena (184973 inhabitants)
51 Km W of Faenza (58541 inhabitants)
53 Km N of Firenze (382808 inhabitants)
54 Km N of Scandicci (50609 inhabitants)
64 Km W of Forlì (117913 inhabitants)
66 Km SE of Carpi (70699 inhabitants)
70 Km SE of Reggio nell'Emilia (171345 inhabitants)
72 Km SW of Ferrara (133155 inhabitants)
74 Km NE of Lucca (89046 inhabitants)
79 Km W of Ravenna (159116 inhabitants)
81 Km W of Cesena (96758 inhabitants)
89 Km NE of Pisa (89158 inhabitants)
90 Km E of Viareggio (62467 inhabitants)
91 Km E of Massa (69479 inhabitants)
93 Km E of Carrara (63133 inhabitants)
95 Km SE of Parma (192836 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 1.4 2022-05-16
05:21:12		 44.2452 11.2415 17 2023-01-31
19:03:14		 Bollettino Sismico Italiano INGV 105379351
Reviewed
Rev100 		ML 1.5 2022-05-16
05:21:12		 44.2513 11.2533 19 2022-05-16
05:26:39		 Sala Sismica INGV-Roma 104693821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-16 05:21:12 ± 0.25
Latitude 44.2452 ± 0.0099
Longitude 11.2415 ± 0.0151
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105379351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1300
Semi-minor axis of confidence ellipse (meter) 316
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 0.55218
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 105379351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-02 06:53:29

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 104693821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-16 05:26:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.HNN. 2022-05-16T05:21:31.85 0.6 undecidable manual S 128 61.2942 97 0.56 40
IV.CRMI.HNN. 2022-05-16T05:21:30.40 0.6 undecidable manual S 203 54.1014 98 1.01 35
IV.LMD.HHZ. 2022-05-16T05:21:26.09 0.6 undecidable manual S 117 41.4252 101 0.02 48
IV.MPPT.EHE. 2022-05-16T05:21:24.36 0.6 undecidable manual S 201 34.1436 105 0.21 47
IV.SFI.HNN. 2022-05-16T05:21:22.98 0.3 undecidable manual P 128 61.2942 97 -0.32 65
IV.MOCL.EHZ. 2022-05-16T05:21:22.66 0.6 undecidable manual S 190 27.0507 110 0.29 46
IV.CRMI.HNN. 2022-05-16T05:21:22.74 0.3 undecidable manual P 203 54.1014 98 0.54 64
IV.SEI.HHZ. 2022-05-16T05:21:21.49 0.6 undecidable manual S 156 23.1546 115 0.1 48
IV.MTRZ.HHZ. 2022-05-16T05:21:21.21 0.3 undecidable manual S 63 16.3725 127 1.38 45
IV.VISG.HHZ. 2022-05-16T05:21:19.87 0.3 undecidable manual S 112 16.5723 126 0 75
IV.MPPT.EHE. 2022-05-16T05:21:19.01 0.6 undecidable manual P 201 34.1436 105 -0.17 47
IV.FNVD.HHZ. 2022-05-16T05:21:19.31 0.6 undecidable manual S 228 12.7761 135 0.2 49
IV.LMD.HHZ. 2022-05-16T05:21:19.79 0.3 undecidable manual P 117 41.4252 101 -0.5 65
IV.MOCL.EHZ. 2022-05-16T05:21:18.25 0.3 undecidable manual P 190 27.0507 110 0.1 73
IV.SEI.HHZ. 2022-05-16T05:21:17.10 0.1 negative manual P 156 23.1546 115 -0.49 90
IV.ZCCA.HHZ. 2022-05-16T05:21:17.59 0.1 undecidable manual P 299 24.0537 114 -0.13 96
IV.VISG.HHZ. 2022-05-16T05:21:16.15 0.1 negative manual P 112 16.5723 126 -0.56 90
IV.MTRZ.HHZ. 2022-05-16T05:21:16.73 0.1 positive manual P 63 16.3725 127 0.04 100
IV.FNVD.HHZ. 2022-05-16T05:21:15.92 0.1 positive manual P 228 12.7761 135 -0.35 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHE. ML:2.2 0.0011600000000000002 0.32 AML other m 2022-05-16T05:21:19.39
IV.FNVD.HHN. ML:2.2 0.0013900000000000002 0.28 AML other m 2022-05-16T05:21:19.70
IV.VISG.HHE. ML:1.3 0.000132 0.84 AML other m 2022-05-16T05:21:20.08
IV.VISG.HHN. ML:1.5 0.0002235 0.22 AML other m 2022-05-16T05:21:20.26
IV.MTRZ.HHN. ML:1.8 0.000424 0.98 AML other m 2022-05-16T05:21:23.43
IV.MTRZ.HNN. ML:1.8 0.00043599999999999997 0.94 AML other m 2022-05-16T05:21:23.44
IV.MTRZ.HNE. ML:1.8 0.00042449999999999996 0.6 AML other m 2022-05-16T05:21:23.64
IV.SEI.HHE. ML:1.3 0.00011949999999999999 1 AML other m 2022-05-16T05:21:24.06
IV.MTRZ.HHE. ML:1.8 0.000414 1.54 AML other m 2022-05-16T05:21:24.08
IV.ZCCA.HHN. ML:1.3 0.0001038 0.44 AML other m 2022-05-16T05:21:24.45
IV.MOCL.EHN. ML:1.2 0.00006945000000000001 0.2 AML other m 2022-05-16T05:21:24.20
IV.MOCL.EHE. ML:1.2 0.00006840000000000001 1.16 AML other m 2022-05-16T05:21:24.39
IV.SEI.HHN. ML:1.4 0.0001365 0.4 AML other m 2022-05-16T05:21:24.35
IV.ZCCA.HHE. ML:1.0 0.00006214999999999999 1.34 AML other m 2022-05-16T05:21:27.78
IV.LMD.HHN. ML:0.9 0.00002646191 0.2016 AML other m 2022-05-16T05:21:28.02
IV.LMD.HHE. ML:0.9 0.00002375816 0.3392 AML other m 2022-05-16T05:21:29.45
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