Earthquake with magnitude of ML 0.5 on date 12-04-2024 and time 15:25:31 (UTC) in region 6 km S Castel del Rio (BO)

A magnitude ML 0.5 earthquake occured in region: 6 km S Castel del Rio (BO), on

  • 12-04-2024 15:25:31 (UTC)
  • 12-04-2024 17:25:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1600, 11.4870 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
Castel del Rio BO 6 1246 1246
Palazzuolo sul Senio FI 7 1154 2400
Firenzuola FI 10 4726 7126
Fontanelice BO 12 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 0.5 2024-04-12
15:25:31
44.1602 11.4873 7 2024-04-12
15:45:58
Sala Sismica INGV-Roma 126673211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-12 15:25:31 ± 0.24
Latitude 44.1602 ± 0.0054
Longitude 11.4873 ± 0.0088
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126673211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 185
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20774
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 126673211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-12 15:45:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT14.HHZ. 2024-04-12T15:27:10.35 3.0 undecidable manual Sn 0.12 0
IV.MRVN.HHZ. 2024-04-12T15:26:56.21 3.0 undecidable manual Pg 23.52 0
GU.SATI.HHZ. 2024-04-12T15:26:54.93 3.0 undecidable manual Sg 13.88 0
IX.COL3.HHZ.02 2024-04-12T15:26:36.74 3.0 undecidable manual Pn 5.31 0
GU.SATI.HHZ. 2024-04-12T15:26:18.53 3.0 negative manual Pg 12.63 0
IV.VMGN.HHZ. 2024-04-12T15:25:39.65 0.3 undecidable manual S 171 23.0547 107 0.24 72
IV.MTRZ.HHN. 2024-04-12T15:25:38.54 1.0 undecidable manual S 344 17.6712 112 0.91 19
IV.LMD.HHZ. 2024-04-12T15:25:38.44 0.3 undecidable manual S 118 19.7691 110 0.13 74
IV.SEI.HHZ. 2024-04-12T15:25:37.27 0.3 undecidable manual S 221 15.5733 114 0.3 72
IV.BDI.HHZ. 2024-04-12T15:25:37.80 3.0 negative manual P -1.58 0
IT.MRR.HGN. 2024-04-12T15:25:36.48 0.6 undecidable manual S 139 14.0748 117 -0.02 51
IV.VMGN.HHZ. 2024-04-12T15:25:35.60 0.1 undecidable manual P 171 23.0547 107 -0.26 96
IV.LMD.HHZ. 2024-04-12T15:25:34.94 1.0 negative manual P 118 19.7691 110 -0.29 24
IT.MRR.HGN. 2024-04-12T15:25:34.12 3.0 undecidable manual P 139 14.0748 117 -0.06 0
IV.MTRZ.HHN. 2024-04-12T15:25:34.94 0.1 undecidable manual P 344 17.6712 112 0.1 100
IV.SEI.HHZ. 2024-04-12T15:25:34.32 0.1 positive manual P 221 15.5733 114 -0.14 99
IV.VISG.HHZ. 2024-04-12T15:25:33.91 0.6 undecidable manual S 307 5.2947 143 -0.18 50
IV.VISG.HHZ. 2024-04-12T15:25:32.60 0.1 negative manual P 307 5.2947 143 -0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHN. ML:1.3 0.00032399999999999996 0.08 AML other m 2024-04-12T15:25:34.16
IV.VISG.HHE. ML:1.0 0.0001945 0.14 AML other m 2024-04-12T15:25:34.12
IV.SEI.HHE. ML:0.7 0.000051322895 0.18 AML other m 2024-04-12T15:25:37.39
IV.SEI.HHN. ML:1.0 0.00009955 1.22 AML other m 2024-04-12T15:25:38.64
IV.LMD.HHE. ML:0.3 0.000014669076 0.12 AML other m 2024-04-12T15:25:39.96
IV.LMD.HHN. ML:0.1 0.000012289095 0.12 AML other m 2024-04-12T15:25:40.03
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