Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-04-2022 and time 17:56:12 (Italy) in region 4 km NE Monghidoro (BO)

A magnitude ML 1.8 earthquake occured in region: 4 km NE Monghidoro (BO), on

  • 19-04-2022 15:56:12 (UTC)
  • 19-04-2022 17:56:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2410, 11.3610 at 21 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
Monghidoro BO 4 3749 3749
Loiano BO 5 4294 8043
Monzuno BO 8 6328 14371
Monterenzio BO 10 6035 20406
San Benedetto Val di Sambro BO 11 4315 24721
Castel del Rio BO 12 1246 25967
Firenzuola FI 14 4726 30693
Fontanelice BO 16 1943 32636
Pianoro BO 16 17460 50096
Marzabotto BO 17 6779 56875
Grizzana Morandi BO 17 3916 60791
Borgo Tossignano BO 19 3288 64079
Sasso Marconi BO 19 14735 78814
Castiglione dei Pepoli BO 20 5648 84462

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km S of Bologna (386663 inhabitants)
31 Km W of Imola (69797 inhabitants)
42 Km W of Faenza (58541 inhabitants)
45 Km NE of Prato (191150 inhabitants)
49 Km NE of Pistoia (90315 inhabitants)
53 Km N of Firenze (382808 inhabitants)
54 Km W of Forlì (117913 inhabitants)
56 Km N of Scandicci (50609 inhabitants)
57 Km SE of Modena (184973 inhabitants)
69 Km SW of Ferrara (133155 inhabitants)
70 Km W of Ravenna (159116 inhabitants)
71 Km SE of Carpi (70699 inhabitants)
71 Km W of Cesena (96758 inhabitants)
77 Km SE of Reggio nell'Emilia (171345 inhabitants)
82 Km NE of Lucca (89046 inhabitants)
96 Km NW of Arezzo (99543 inhabitants)
96 Km NE of Pisa (89158 inhabitants)
98 Km E of Viareggio (62467 inhabitants)
98 Km W of Rimini (147750 inhabitants)
98 Km SW of Rovigo (51867 inhabitants)
100 Km E of Massa (69479 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 1.8 2022-04-19
15:56:12		 44.2413 11.361 21 2022-07-08
12:33:52		 Bollettino Sismico Italiano INGV 104205631
Reviewed
Rev100 		ML 1.7 2022-04-19
15:56:13		 44.2087 11.4113 16 2022-04-19
16:22:47		 Sala Sismica INGV-Roma 103486301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-19 15:56:12 ± 0.26
Latitude 44.2413 ± 0.0090
Longitude 11.3610 ± 0.0126
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104205631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1037
Semi-minor axis of confidence ellipse (meter) 547
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
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) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.41729
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:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 104205631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-04 12:11:22

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 103486301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-19 16:22:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RUFI.EHZ. 2022-04-19T15:56:28.46 0.3 undecidable manual S 165 46.3203 106 0.48 67
IV.MPPT.EHN. 2022-04-19T15:56:26.40 0.6 undecidable manual S 215 38.1285 110 0.48 46
IV.BRIS.HHZ. 2022-04-19T15:56:25.09 0.3 undecidable manual S 93 32.2455 114 0.62 63
IV.LMD.HHZ. 2022-04-19T15:56:24.27 0.3 undecidable manual S 123 33.0447 113 -0.37 71
IV.MOCL.EHZ. 2022-04-19T15:56:24.16 0.3 undecidable manual S 209 29.8479 116 0.27 73
IV.RUFI.EHZ. 2022-04-19T15:56:21.70 0.3 undecidable manual P 165 46.3203 106 0.12 72
IV.SEI.HHZ. 2022-04-19T15:56:21.78 0.3 undecidable manual S 181 20.7681 128 -0.03 77
IV.MPPT.EHN. 2022-04-19T15:56:20.67 0.6 undecidable manual P 215 38.1285 110 0.29 48
IV.MTRZ.HHZ. 2022-04-19T15:56:20.36 0.3 undecidable manual S 33 9.3795 152 0.52 71
IV.BRIS.HHZ. 2022-04-19T15:56:19.48 0.3 undecidable manual P 93 32.2455 114 -0.06 75
IV.VISG.HHZ. 2022-04-19T15:56:19.00 0.3 undecidable manual S 135 8.1807 155 -0.69 66
IV.MOCL.EHZ. 2022-04-19T15:56:19.18 0.3 undecidable manual P 209 29.8479 116 -0.03 75
IV.IMOL.HNZ. 2022-04-19T15:56:19.17 0.6 undecidable manual P 66 33.0447 113 -0.47 46
IV.LMD.HHZ. 2022-04-19T15:56:19.29 0.1 undecidable manual P 123 33.0447 113 -0.36 94
IV.SEI.HHZ. 2022-04-19T15:56:17.81 0.1 undecidable manual P 181 20.7681 128 -0.2 99
IV.FNVD.HHZ. 2022-04-19T15:56:17.94 0.3 undecidable manual P 247 20.6682 128 -0.05 75
IV.MTRZ.HHZ. 2022-04-19T15:56:17.15 0.1 undecidable manual P 33 9.3795 152 0.28 100
IV.VISG.HHZ. 2022-04-19T15:56:16.35 0.1 undecidable manual P 135 8.1807 155 -0.44 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:1.7 0.00035099999999999997 0.4 AML other m 2022-04-19T15:56:19.36
IV.VISG.HHN. ML:1.5 0.0002505 0.32 AML other m 2022-04-19T15:56:19.50
IV.MTRZ.HHN. ML:2.2 0.00107 0.26 AML other m 2022-04-19T15:56:21.37
IV.MTRZ.HNN. ML:2.1 0.0010195 0.24 AML other m 2022-04-19T15:56:21.37
IV.MTRZ.HNE. ML:2.3 0.001385 0.62 AML other m 2022-04-19T15:56:21.65
IV.MTRZ.HHE. ML:2.3 0.0014750000000000002 0.62 AML other m 2022-04-19T15:56:21.96
IV.SEI.HHN. ML:2.0 0.0005545 1.04 AML other m 2022-04-19T15:56:22.30
IV.SEI.HHE. ML:2.0 0.0005204999999999999 0.4 AML other m 2022-04-19T15:56:22.36
IV.MOCL.EHE. ML:1.4 0.00009346577 0.64 AML other m 2022-04-19T15:56:24.73
IV.LMD.HHN. ML:1.3 0.00007025000000000001 0.56 AML other m 2022-04-19T15:56:24.38
IV.MOCL.EHN. ML:1.2 0.000071058095 0.3584 AML other m 2022-04-19T15:56:24.84
IV.BRIS.HHE. ML:1.7 0.0001805 0.38 AML other m 2022-04-19T15:56:26.53
IV.LMD.HHE. ML:1.2 0.00005695 0.72 AML other m 2022-04-19T15:56:26.17
IV.BRIS.HHN. ML:1.8 0.000223 0.32 AML other m 2022-04-19T15:56:26.57
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