Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 02-04-2024 and time 15:15:13 (UTC) in region 7 km S Monterenzio (BO)

A magnitude ML 1.8 earthquake occured in region: 7 km S Monterenzio (BO), on

  • 02-04-2024 15:15:13 (UTC)
  • 02-04-2024 17:15:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2680, 11.4280 at 20 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
Monterenzio BO 7 6035 6035
Loiano BO 8 4294 10329
Castel del Rio BO 9 1246 11575
Monghidoro BO 10 3749 15324
Fontanelice BO 11 1943 17267
Monzuno BO 13 6328 23595
Borgo Tossignano BO 13 3288 26883
Pianoro BO 15 17460 44343
Casalfiumanese BO 15 3438 47781
Casola Valsenio RA 16 2617 50398
San Benedetto Val di Sambro BO 17 4315 54713
Firenzuola FI 17 4726 59439
Dozza BO 19 6652 66091
Marzabotto BO 20 6779 72870
Castel San Pietro Terme BO 20 20811 93681
Palazzuolo sul Senio FI 20 1154 94835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Imola (69797 inhabitants)
26 Km S of Bologna (386663 inhabitants)
36 Km W of Faenza (58541 inhabitants)
49 Km W of Forlì (117913 inhabitants)
50 Km NE of Prato (191150 inhabitants)
55 Km NE of Pistoia (90315 inhabitants)
57 Km N of Firenze (382808 inhabitants)
58 Km SE of Modena (184973 inhabitants)
60 Km NE of Scandicci (50609 inhabitants)
64 Km W of Ravenna (159116 inhabitants)
65 Km S of Ferrara (133155 inhabitants)
67 Km W of Cesena (96758 inhabitants)
72 Km SE of Carpi (70699 inhabitants)
79 Km SE of Reggio nell'Emilia (171345 inhabitants)
88 Km NE of Lucca (89046 inhabitants)
94 Km W of Rimini (147750 inhabitants)
94 Km SW of Rovigo (51867 inhabitants)
96 Km NW of Arezzo (99543 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 1.8 2024-04-02
15:15:13		 44.2678 11.4283 20 2024-04-02
15:19:21		 Sala Sismica INGV-Roma 126409481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-02 15:15:13 ± 0.3
Latitude 44.2678 ± 0.0135
Longitude 11.4283 ± 0.0176
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126409481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1477
Semi-minor axis of confidence ellipse (meter) 1129
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 1480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
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) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.75003
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 126409481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-02 15:19:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RINC.EHZ. 2024-04-02T15:15:28.41 0.6 undecidable manual S 161 44.622 105 0.67 40
IV.CRE.HHZ. 2024-04-02T15:15:28.36 0.3 undecidable manual P 150 83.25 97 0.96 50
IV.VMGN.HHZ. 2024-04-02T15:15:26.13 0.6 undecidable manual S 167 35.742 109 0.67 41
IV.MOCL.EHZ. 2024-04-02T15:15:25.60 0.6 undecidable manual S 214 35.2425 110 0.27 47
IV.LMD.HHZ. 2024-04-02T15:15:24.46 0.6 undecidable manual S 133 30.6471 113 0.27 46
IT.MRR.HGZ. 2024-04-02T15:15:23.40 0.6 undecidable manual S 148 26.5512 117 0.2 47
IV.SFI.EHZ. 2024-04-02T15:15:22.53 0.3 undecidable manual P 140 52.3032 102 -0.16 69
IV.SEI.HHZ. 2024-04-02T15:15:22.56 0.3 undecidable manual S 193 24.3534 120 -0.13 73
IV.RINC.EHZ. 2024-04-02T15:15:21.32 0.1 undecidable manual P 161 44.622 105 -0.22 92
IV.MTRZ.HHZ. 2024-04-02T15:15:20.51 0.6 undecidable manual S 357 4.995 163 1.16 34
IV.MOCL.EHZ. 2024-04-02T15:15:20.25 0.1 undecidable manual P 214 35.2425 110 0.1 97
IV.VISG.HHZ. 2024-04-02T15:15:19.30 0.3 undecidable manual S 177 8.7801 152 -0.43 71
IV.LMD.HHZ. 2024-04-02T15:15:19.20 0.1 undecidable manual P 133 30.6471 113 -0.29 93
IV.FNVD.HHZ. 2024-04-02T15:15:19.13 0.3 undecidable manual P 246 26.751 117 0.18 73
IV.VMGN.HHZ. 2024-04-02T15:15:19.96 0.3 undecidable manual P 167 35.742 109 -0.27 69
IT.MRR.HGZ. 2024-04-02T15:15:18.57 0.3 undecidable manual P 148 26.5512 117 -0.35 70
IV.SEI.HHZ. 2024-04-02T15:15:18.26 0.1 undecidable manual P 193 24.3534 120 -0.36 92
IV.VISG.HHZ. 2024-04-02T15:15:16.47 0.1 negative manual P 177 8.7801 152 -0.45 93
IV.MTRZ.HHZ. 2024-04-02T15:15:16.85 0.1 undecidable manual P 357 4.995 163 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:1.8 0.00046950000000000003 0.58 AML other m 2024-04-02T15:15:19.37
IV.VISG.HHN. ML:1.8 0.000544 0.4 AML other m 2024-04-02T15:15:19.91
IV.MTRZ.HNE. ML:2.5 0.002585 1.38 AML other m 2024-04-02T15:15:21.30
IV.MTRZ.HHE. ML:2.5 0.002685 1.38 AML other m 2024-04-02T15:15:21.30
IV.MTRZ.HNN. ML:2.2 0.0015 0.8 AML other m 2024-04-02T15:15:21.71
IV.MTRZ.HHN. ML:2.2 0.0015049999999999998 0.8 AML other m 2024-04-02T15:15:21.71
IV.SEI.HHN. ML:2.0 0.0005335 1.44 AML other m 2024-04-02T15:15:22.11
IV.SEI.HHE. ML:1.9 0.000366 1.64 AML other m 2024-04-02T15:15:23.05
IV.LMD.HHN. ML:1.5 0.0001245 0.12 AML other m 2024-04-02T15:15:24.68
IV.LMD.HHE. ML:1.4 0.00010445 1.22 AML other m 2024-04-02T15:15:25.86
IV.VMGN.HHN. ML:1.4 0.00008874999999999999 0.26 AML other m 2024-04-02T15:15:27.34
IV.VMGN.HHE. ML:1.3 0.00007075 0.78 AML other m 2024-04-02T15:15:27.94
IV.RINC.EHE. ML:1.6 0.00011465000000000001 1.36 AML other m 2024-04-02T15:15:29.86
IV.RINC.EHN. ML:1.5 0.00009665 0.92 AML other m 2024-04-02T15:15:30.06
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