Earthquake with magnitude of ML 1.4 on date 31-01-2024 and time 19:51:02 (UTC) in region 7 km E Monghidoro (BO)

A magnitude ML 1.4 earthquake occured in region: 7 km E Monghidoro (BO), on

  • 31-01-2024 19:51:02 (UTC)
  • 31-01-2024 20:51:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1920, 11.3910 at 8 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.

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 7 3749 3749
Firenzuola FI 8 4726 8475
Castel del Rio BO 9 1246 9721
Loiano BO 10 4294 14015
San Benedetto Val di Sambro BO 13 4315 18330
Monzuno BO 13 6328 24658
Monterenzio BO 15 6035 30693
Palazzuolo sul Senio FI 15 1154 31847
Fontanelice BO 15 1943 33790
Borgo Tossignano BO 19 3288 37078
Casola Valsenio RA 19 2617 39695
Castiglione dei Pepoli BO 20 5648 45343

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Imola (69797 inhabitants)
34 Km S of Bologna (386663 inhabitants)
41 Km W of Faenza (58541 inhabitants)
42 Km NE of Prato (191150 inhabitants)
47 Km NE of Pistoia (90315 inhabitants)
48 Km N of Firenze (382808 inhabitants)
51 Km NE of Scandicci (50609 inhabitants)
52 Km W of Forlì (117913 inhabitants)
63 Km SE of Modena (184973 inhabitants)
68 Km W of Cesena (96758 inhabitants)
69 Km W of Ravenna (159116 inhabitants)
74 Km S of Ferrara (133155 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
81 Km E of Lucca (89046 inhabitants)
83 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
95 Km W of Rimini (147750 inhabitants)
95 Km NE of Pisa (89158 inhabitants)
97 Km N of Siena (53903 inhabitants)
98 Km E of Viareggio (62467 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 1.4 2024-01-31
19:51:02
44.1925 11.391 8 2024-01-31
19:56:58
Sala Sismica INGV-Roma 124969161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-31 19:51:02 ± 0.1
Latitude 44.1925 ± 0.0054
Longitude 11.3910 ± 0.0063
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124969161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 492
Semi-minor axis of confidence ellipse (meter) 438
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.43617
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 124969161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-31 19:56:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2024-01-31T19:51:19.01 0.6 undecidable manual S 131 48.4182 50 0.2 46
IV.PSL.EHZ. 2024-01-31T19:51:17.17 0.3 undecidable manual S 241 42.1245 50 0.03 73
IV.LMD.HHZ. 2024-01-31T19:51:13.18 0.6 undecidable manual S 117 28.2495 106 0.29 47
IV.BOSL.HHZ. 2024-01-31T19:51:13.21 0.6 undecidable manual S 183 29.0487 105 0.05 49
IV.MOCL.EHZ. 2024-01-31T19:51:12.20 0.6 undecidable manual S 219 26.751 106 -0.19 48
IV.SFI.EHZ. 2024-01-31T19:51:11.63 0.1 undecidable manual P 131 48.4182 50 -0.38 89
IT.MRR.HGE. 2024-01-31T19:51:11.18 0.6 undecidable manual S 130 22.0668 110 0.31 47
IV.PSL.EHZ. 2024-01-31T19:51:11.32 0.1 undecidable manual P 241 42.1245 50 0.27 92
IV.SEI.HHZ. 2024-01-31T19:51:09.19 0.6 undecidable manual S 190 15.5733 117 0.41 47
IV.LMD.HHZ. 2024-01-31T19:51:08.22 1.0 positive manual P 117 28.2495 106 -0.38 23
IV.BOSL.HHZ. 2024-01-31T19:51:08.63 0.1 undecidable manual P 183 29.0487 105 -0.12 97
IV.MOCL.EHZ. 2024-01-31T19:51:08.08 0.1 positive manual P 219 26.751 106 -0.23 96
IT.MRR.HGE. 2024-01-31T19:51:07.25 0.1 undecidable manual P 130 22.0668 110 -0.18 97
IV.MTRZ.HHN. 2024-01-31T19:51:06.10 0.1 undecidable manual P 11 13.5753 120 0.22 98
IV.SEI.HHZ. 2024-01-31T19:51:06.34 0.1 positive manual P 190 15.5733 117 0.13 100
IV.VISG.HHN. 2024-01-31T19:51:04.24 0.1 undecidable manual P 96 3.4965 156 -0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:1.7 0.0005085 0.58 AML other m 2024-01-31T19:51:09.40
IV.SEI.HHN. ML:1.7 0.000532 0.46 AML other m 2024-01-31T19:51:10.54
IV.MOCL.EHE. ML:1.4 0.000157 0.66 AML other m 2024-01-31T19:51:12.38
IV.MOCL.EHN. ML:1.4 0.000126 0.26 AML other m 2024-01-31T19:51:12.40
IV.BOSL.HHN. ML:0.8 0.00003295 0.46 AML other m 2024-01-31T19:51:13.73
IV.BOSL.HHE. ML:0.9 0.0000427 0.26 AML other m 2024-01-31T19:51:13.62
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download