Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 25-03-2024 and time 03:42:58 (Italy) in region 6 km S Castel del Rio (BO)

A magnitude ML 1.0 earthquake occured in region: 6 km S Castel del Rio (BO), on

  • 25-03-2024 02:42:58 (UTC)
  • 25-03-2024 03:42:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1580, 11.4890 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.

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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
Castel del Rio BO 6 1246 1246
Palazzuolo sul Senio FI 7 1154 2400
Firenzuola FI 10 4726 7126
Fontanelice BO 13 1943 9069
Casola Valsenio RA 13 2617 11686
Marradi FI 14 3139 14825
Monghidoro BO 15 3749 18574
Borgo Tossignano BO 16 3288 21862
Loiano BO 18 4294 26156
Casalfiumanese BO 19 3438 29594
Monterenzio BO 20 6035 35629

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Imola (69797 inhabitants)
35 Km W of Faenza (58541 inhabitants)
39 Km SE of Bologna (386663 inhabitants)
44 Km NE of Prato (191150 inhabitants)
45 Km W of Forlì (117913 inhabitants)
47 Km NE of Firenze (382808 inhabitants)
51 Km NE of Scandicci (50609 inhabitants)
52 Km E of Pistoia (90315 inhabitants)
60 Km W of Cesena (96758 inhabitants)
64 Km W of Ravenna (159116 inhabitants)
70 Km SE of Modena (184973 inhabitants)
76 Km S of Ferrara (133155 inhabitants)
83 Km NW of Arezzo (99543 inhabitants)
84 Km SE of Carpi (70699 inhabitants)
86 Km E of Lucca (89046 inhabitants)
87 Km W of Rimini (147750 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
94 Km N of Siena (53903 inhabitants)
100 Km E of Pisa (89158 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 2024-03-25
02:42:58		 44.1583 11.4888 7 2024-03-25
02:49:28		 Sala Sismica INGV-Roma 126139891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-25 02:42:58 ± 0.08
Latitude 44.1583 ± 0.0036
Longitude 11.4888 ± 0.0063
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 126139891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 518
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
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) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.51531
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 126139891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-25 02:49:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HNE. 2024-03-25T02:43:09.21 0.1 undecidable manual P 225 57.1983 50 0.23 90
IV.VMGN.HHZ. 2024-03-25T02:43:06.85 0.6 undecidable manual S 171 22.8549 108 0.25 48
IV.SFI.HNE. 2024-03-25T02:43:06.05 0.1 undecidable manual P 134 40.1265 50 -0.29 91
IV.LMD.HHZ. 2024-03-25T02:43:05.59 0.6 undecidable manual S 117 19.5693 110 0.08 50
IV.RINC.EHN. 2024-03-25T02:43:04.72 0.1 undecidable manual P 163 31.5462 103 -0.04 98
IV.SEI.HHZ. 2024-03-25T02:43:04.65 0.6 undecidable manual S 222 15.4734 115 0.44 46
IV.MOCL.EHZ. 2024-03-25T02:43:04.11 0.6 positive manual P 235 29.8479 104 -0.31 46
IV.IMOL.EHN. 2024-03-25T02:43:04.86 0.1 undecidable manual P 42 30.0477 104 0.4 91
IT.MRR.HGN. 2024-03-25T02:43:04.03 0.6 undecidable manual S 139 13.875 118 0.33 48
IV.MTRZ.HHZ. 2024-03-25T02:43:04.88 0.3 undecidable manual S 343 17.871 112 -0.09 74
IV.BOSL.HHZ. 2024-03-25T02:43:03.90 0.6 negative manual P 200 26.8509 105 0.07 49
IV.MTRZ.HHZ. 2024-03-25T02:43:02.33 0.1 undecidable manual P 343 17.871 112 0.2 97
IV.VMGN.HHZ. 2024-03-25T02:43:02.95 1.0 negative manual P 171 22.8549 108 -0.12 24
IV.LMD.HHZ. 2024-03-25T02:43:02.13 0.6 negative manual P 117 19.5693 110 -0.32 47
IV.VISG.HHZ. 2024-03-25T02:43:01.34 0.3 undecidable manual S 308 5.4945 143 -0.1 76
IV.SEI.HHZ. 2024-03-25T02:43:01.63 0.1 positive manual P 222 15.4734 115 -0.07 100
IT.MRR.HGN. 2024-03-25T02:43:01.14 0.1 undecidable manual P 139 13.875 118 -0.26 96
IV.VISG.HHZ. 2024-03-25T02:42:59.89 0.1 undecidable manual P 308 5.4945 143 -0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:0.0 0.00087352405 0.06 AML other m 2024-03-25T02:43:01.46
IV.VISG.HHN. ML:0.0 0.0019902915 0.14 AML other m 2024-03-25T02:43:01.39
IV.SEI.HHE. ML:1.5 0.00030038575 0.2 AML other m 2024-03-25T02:43:05.90
IV.SEI.HHN. ML:2.0 0.00099305475 0.24 AML other m 2024-03-25T02:43:04.91
IV.LMD.HHE. ML:0.7 0.0000422142165 0.18 AML other m 2024-03-25T02:43:09.06
IV.LMD.HHN. ML:0.8 0.000045111875 0.2 AML other m 2024-03-25T02:43:09.29
IV.MTRZ.HHE. ML:1.2 0.00015707114500000002 0.34 AML other m 2024-03-25T02:43:09.49
IV.MTRZ.HHN. ML:1.4 0.00019763219999999998 0.22 AML other m 2024-03-25T02:43:08.39
IV.MTRZ.HNE. ML:1.3 0.00016998324999999997 0.39 AML other m 2024-03-25T02:43:09.50
IV.MTRZ.HNN. ML:1.4 0.00020656005 0.21 AML other m 2024-03-25T02:43:08.50
IV.VMGN.HHE. ML:0.6 0.000024473439999999998 0.1 AML other m 2024-03-25T02:43:07.64
IV.VMGN.HHN. ML:0.8 0.00004007892 0.32 AML other m 2024-03-25T02:43:07.21
IV.BOSL.HHE. ML:0.2 0.0000092550105 0.2 AML other m 2024-03-25T02:43:08.41
IV.BOSL.HHN. ML:0.2 0.000009494097999999999 0.14 AML other m 2024-03-25T02:43:08.62
IV.MOCL.EHE. ML:1.0 0.000044444164999999995 0.16 AML other m 2024-03-25T02:43:10.27
IV.MOCL.EHN. ML:1.2 0.000069178765 0.36 AML other m 2024-03-25T02:43:10.13
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