Earthquake with magnitude of ML 1.0 on date 31-01-2024 and time 21:03:53 (UTC) in region 7 km SE Monghidoro (BO)

A magnitude ML 1.0 earthquake occured in region: 7 km SE Monghidoro (BO), on

  • 31-01-2024 21:03:53 (UTC)
  • 31-01-2024 22:03:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1840, 11.3900 at 7 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 7 4726 8475
Castel del Rio BO 10 1246 9721
Loiano BO 11 4294 14015
San Benedetto Val di Sambro BO 13 4315 18330
Monzuno BO 14 6328 24658
Palazzuolo sul Senio FI 15 1154 25812
Fontanelice BO 16 1943 27755
Monterenzio BO 16 6035 33790
Borgo Tossignano BO 19 3288 37078
Casola Valsenio RA 19 2617 39695
Castiglione dei Pepoli BO 19 5648 45343

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Imola (69797 inhabitants)
35 Km S of Bologna (386663 inhabitants)
41 Km NE of Prato (191150 inhabitants)
41 Km W of Faenza (58541 inhabitants)
47 Km NE of Pistoia (90315 inhabitants)
47 Km N of Firenze (382808 inhabitants)
50 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)
70 Km W of Ravenna (159116 inhabitants)
75 Km S of Ferrara (133155 inhabitants)
78 Km SE of Carpi (70699 inhabitants)
80 Km E of Lucca (89046 inhabitants)
83 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km NW of Arezzo (99543 inhabitants)
95 Km NE of Pisa (89158 inhabitants)
95 Km W of Rimini (147750 inhabitants)
96 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 1.0 2024-01-31
21:03:53
44.184 11.3897 7 2024-01-31
21:10:43
Sala Sismica INGV-Roma 124970231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-31 21:03:53 ± 0.15
Latitude 44.1840 ± 0.0045
Longitude 11.3897 ± 0.0100
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124970231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 807
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.43078
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 124970231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-31 21:10:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VMGN.HHZ. 2024-01-31T21:04:03.24 0.6 undecidable manual S 156 27.8499 103 0.2 47
IV.BOSL.HHZ. 2024-01-31T21:04:03.47 0.6 undecidable manual S 183 28.0497 103 0.36 45
IV.LMD.HHZ. 2024-01-31T21:04:03.25 0.6 undecidable manual S 115 27.9498 103 0.2 47
IV.MOCL.EHZ. 2024-01-31T21:04:02.28 0.6 undecidable manual S 220 25.9518 104 -0.1 48
IV.SFI.HNZ. 2024-01-31T21:04:02.95 0.6 undecidable manual P 130 47.8188 50 0.5 42
IV.RUFI.EHZ. 2024-01-31T21:04:01.66 0.6 undecidable manual P 166 39.5271 100 0.53 43
IV.PSL.EHZ. 2024-01-31T21:04:01.42 1.0 undecidable manual P 242 41.625 50 -0.06 24
IV.SEI.HHZ. 2024-01-31T21:03:59.08 0.3 undecidable manual S 190 14.5743 115 0.42 69
IV.MTRZ.HHZ. 2024-01-31T21:03:59.04 0.3 undecidable manual S 11 14.5743 115 0.39 69
IV.LMD.HHZ. 2024-01-31T21:03:58.40 0.1 undecidable manual P 115 27.9498 103 -0.44 89
IV.VMGN.HHZ. 2024-01-31T21:03:58.54 0.1 undecidable manual P 156 27.8499 103 -0.3 92
IV.BOSL.HHZ. 2024-01-31T21:03:58.65 0.1 undecidable manual P 183 28.0497 103 -0.23 93
IV.MOCL.EHZ. 2024-01-31T21:03:57.94 1.0 undecidable manual P 220 25.9518 104 -0.52 22
IV.SEI.HHZ. 2024-01-31T21:03:56.08 0.6 positive manual P 190 14.5743 115 -0.23 48
IV.MTRZ.HHZ. 2024-01-31T21:03:56.29 0.1 positive manual P 11 14.5743 115 -0.01 100
IV.VISG.HHZ. 2024-01-31T21:03:55.73 0.6 undecidable manual S 81 3.5964 152 0.01 51
IV.VISG.HHZ. 2024-01-31T21:03:54.43 0.1 undecidable manual P 81 3.5964 152 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:1.1 0.00014444102 0.3456 AML other m 2024-01-31T21:03:59.48
IV.SEI.HHN. ML:1.1 0.00015077599999999998 0.2816 AML other m 2024-01-31T21:03:59.62
IV.VISG.HHE. ML:0.0 0.00006997518999999999 0.064 AML other m 2024-01-31T21:03:55.96
IV.VISG.HHN. ML:0.0 0.00007306412 0.064 AML other m 2024-01-31T21:03:55.82
IV.MTRZ.HHE. ML:0.8 0.00007294175999999999 0.2816 AML other m 2024-01-31T21:04:02.74
IV.MTRZ.HHN. ML:0.9 0.000092846015 0.7936 AML other m 2024-01-31T21:04:03.77
IV.MTRZ.HNE. ML:1.2 0.00016568834999999997 0.4352 AML other m 2024-01-31T21:04:01.36
IV.MTRZ.HNN. ML:1.1 0.00014435989999999997 0.8448 AML other m 2024-01-31T21:04:03.35
IV.MOCL.EHE. ML:0.6 0.0000261717 0.1792 AML other m 2024-01-31T21:04:02.79
IV.MOCL.EHN. ML:0.6 0.000022557615000000003 0.1408 AML other m 2024-01-31T21:04:02.54
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