Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 25-03-2024 and time 03:03:29 (Italy) in region 6 km S Castel del Rio (BO)

A magnitude ML 1.6 earthquake occured in region: 6 km S Castel del Rio (BO), on

  • 25-03-2024 02:03:29 (UTC)
  • 25-03-2024 03:03:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1600, 11.4950 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 12 1943 9069
Casola Valsenio RA 13 2617 11686
Marradi FI 13 3139 14825
Borgo Tossignano BO 15 3288 18113
Monghidoro BO 16 3749 21862
Casalfiumanese BO 18 3438 25300
Loiano BO 19 4294 29594
Monterenzio BO 20 6035 35629

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Imola (69797 inhabitants)
34 Km W of Faenza (58541 inhabitants)
39 Km SE of Bologna (386663 inhabitants)
44 Km W of Forlì (117913 inhabitants)
44 Km NE of Prato (191150 inhabitants)
47 Km NE of Firenze (382808 inhabitants)
51 Km NE of Scandicci (50609 inhabitants)
53 Km E of Pistoia (90315 inhabitants)
60 Km W of Cesena (96758 inhabitants)
63 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)
85 Km SE of Carpi (70699 inhabitants)
86 Km W of Rimini (147750 inhabitants)
87 Km E of Lucca (89046 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km N of Siena (53903 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 1.6 2024-03-25
02:03:29		 44.1605 11.4953 7 2024-03-25
02:10:24		 Sala Sismica INGV-Roma 126138731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-25 02:03:29 ± 0.11
Latitude 44.1605 ± 0.0054
Longitude 11.4953 ± 0.0088
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 126138731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 731
Semi-minor axis of confidence ellipse (meter) 251
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.82468
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 126138731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-25 02:10:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2024-03-25T02:03:45.41 0.1 undecidable manual P 238 91.5417 50 0.21 83
IV.CSNT.HHZ. 2024-03-25T02:03:43.51 0.1 undecidable manual P 192 77.9664 50 0.39 82
IV.CRMI.HHZ. 2024-03-25T02:03:40.40 0.6 negative manual P 226 57.6978 50 0.4 43
IV.BOSL.HHZ. 2024-03-25T02:03:39.10 0.6 undecidable manual S 201 27.2505 105 0.17 47
IV.ZCCA.HHZ. 2024-03-25T02:03:38.84 0.1 undecidable manual P 297 46.3203 50 0.6 82
IV.VMGN.HHZ. 2024-03-25T02:03:37.90 0.6 undecidable manual S 173 23.0547 107 0.36 46
IV.LMD.HHZ. 2024-03-25T02:03:36.70 0.6 undecidable manual S 119 19.2696 110 0.42 45
IV.SFI.EHZ. 2024-03-25T02:03:36.55 1.0 undecidable manual P 135 39.9267 50 -0.69 20
IV.MTRZ.HHZ. 2024-03-25T02:03:36.03 0.3 undecidable manual S 342 17.7711 112 0.21 72
IV.FIU.EHZ. 2024-03-25T02:03:36.90 0.1 undecidable manual P 360 53.2023 50 -2.4 24
IV.MPPT.EHZ. 2024-03-25T02:03:36.21 1.0 undecidable manual P 235 39.3273 50 -0.95 18
IV.RUFI.EHZ. 2024-03-25T02:03:35.76 0.6 undecidable manual P 178 35.8419 101 -0.72 40
IV.IMOL.EHZ. 2024-03-25T02:03:35.60 0.6 negative manual P 42 29.5482 104 0.34 45
IV.RINC.EHZ. 2024-03-25T02:03:35.34 0.6 negative manual P 164 31.6461 103 -0.33 45
IV.SEI.HHZ. 2024-03-25T02:03:35.60 0.6 undecidable manual S 223 16.0728 114 0.34 47
IV.MOCL.EHZ. 2024-03-25T02:03:34.99 0.3 positive manual P 236 30.4473 103 -0.44 67
IV.BOSL.HHZ. 2024-03-25T02:03:34.73 0.6 negative manual P 201 27.2505 105 -0.08 48
IV.FNVD.HHZ. 2024-03-25T02:03:34.81 0.1 positive manual P 272 29.6481 103 -0.47 88
IV.VMGN.HHZ. 2024-03-25T02:03:33.89 0.6 positive manual P 173 23.0547 107 -0.11 48
IV.LMD.HHZ. 2024-03-25T02:03:33.12 0.3 positive manual P 119 19.2696 110 -0.16 72
IT.MOG.HNN. 2024-03-25T02:03:33.62 0.1 undecidable manual P 87 21.6672 108 -0.11 97
IV.MTRZ.HHZ. 2024-03-25T02:03:33.36 0.1 positive manual P 342 17.7711 112 0.35 93
IT.MRR.HGE. 2024-03-25T02:03:32.36 0.1 undecidable manual P 141 13.6752 117 0.09 98
IV.SEI.HHZ. 2024-03-25T02:03:32.65 0.1 positive manual P 223 16.0728 114 -0.04 99
IV.VISG.HHZ. 2024-03-25T02:03:32.30 0.6 undecidable manual S 303 5.7942 141 -0.05 50
IV.VISG.HHZ. 2024-03-25T02:03:30.93 0.1 undecidable manual P 303 5.7942 141 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHN. ML:2.7 0.005116346 0.26 AML other m 2024-03-25T02:03:35.95
IV.SEI.HHE. ML:2.2 0.0014318830000000001 0.28 AML other m 2024-03-25T02:03:36.44
IV.VMGN.HHE. ML:1.2 0.00011450268999999999 0.16 AML other m 2024-03-25T02:03:37.91
IV.VMGN.HHN. ML:1.5 0.00020425315 0.28 AML other m 2024-03-25T02:03:38.22
IV.MTRZ.HHN. ML:2.0 0.0008759316499999999 0.22 AML other m 2024-03-25T02:03:39.48
IV.BOSL.HHE. ML:1.0 0.00004982112 0.2 AML other m 2024-03-25T02:03:39.55
IV.BOSL.HHN. ML:1.0 0.00005155 0.62 AML other m 2024-03-25T02:03:39.26
IV.MTRZ.HNN. ML:2.0 0.0008489999999999999 0.22 AML other m 2024-03-25T02:03:39.48
IV.LMD.HHE. ML:1.4 0.000209312125 0.16 AML other m 2024-03-25T02:03:40.08
IV.LMD.HHN. ML:1.5 0.000247463 0.24 AML other m 2024-03-25T02:03:40.30
IV.MTRZ.HHE. ML:2.0 0.0009255 0.3 AML other m 2024-03-25T02:03:40.58
IV.MTRZ.HNE. ML:2.0 0.000905 0.3 AML other m 2024-03-25T02:03:40.58
IV.RINC.EHE. ML:1.6 0.00021100000000000003 1.74 AML other m 2024-03-25T02:03:40.95
IV.MOCL.EHN. ML:1.8 0.0003445 0.36 AML other m 2024-03-25T02:03:41.19
IV.MOCL.EHE. ML:1.6 0.000216 0.2 AML other m 2024-03-25T02:03:41.34
IV.RINC.EHN. ML:1.5 0.00013385772499999998 0.3 AML other m 2024-03-25T02:03:41.29
IV.MPPT.EHE. ML:1.3 0.00006527684000000001 0.26 AML other m 2024-03-25T02:03:43.59
IV.MPPT.EHN. ML:1.4 0.0000820144 0.36 AML other m 2024-03-25T02:03:43.94
IV.RUFI.EHE. ML:1.1 0.0000497 1.56 AML other m 2024-03-25T02:03:44.03
IV.RUFI.EHN. ML:1.2 0.0000708 0.44 AML other m 2024-03-25T02:03:46.35
IV.CRMI.HHN. ML:1.5 0.00007394916999999999 0.42 AML other m 2024-03-25T02:03:51.13
IV.CRMI.HHE. ML:1.3 0.000043049999999999996 0.58 AML other m 2024-03-25T02:03:51.16
IV.CSNT.HHE. ML:0.0 0.000051885890000000003 0.52 AML other m 2024-03-25T02:03:56.54
IV.CSNT.HHN. ML:0.0 0.000036574045 0.5 AML other m 2024-03-25T02:04:00.80
IV.VISG.HHE. ML:2.0 0.001849192 0.16 AML other m 2024-03-25T02:03:33.16
IV.VISG.HHN. ML:2.6 0.006604127999999999 0.14 AML other m 2024-03-25T02:03:32.53
IV.FNVD.HHE. ML:0.0 0.00000027013329999999995 0.28 AML other m 2024-03-25T02:03:47.82
IV.IMOL.EHE. ML:1.6 0.00022085585000000007 0.5 AML other m 2024-03-25T02:03:46.34
IV.IMOL.EHN. ML:1.4 0.00012386136 0.36 AML other m 2024-03-25T02:03:47.03
IV.IMOL.HNE. ML:1.9 0.00042951729999999997 0.4 AML other m 2024-03-25T02:03:47.68
IV.IMOL.HNN. ML:1.9 0.00039285515000000006 0.28 AML other m 2024-03-25T02:03:46.53
IV.SFI.EHE. ML:1.4 0.00009150509500000001 0.26 AML other m 2024-03-25T02:03:44.80
IV.SFI.EHN. ML:1.4 0.00009501788 0.54 AML other m 2024-03-25T02:03:46.30
IV.SFI.HNE. ML:1.6 0.00012555135000000002 1.01 AML other m 2024-03-25T02:03:40.94
IV.SFI.HNN. ML:1.6 0.0001319932 0.9 AML other m 2024-03-25T02:03:51.55
IV.CRMI.HNE. ML:1.7 0.000110901365 0.49 AML other m 2024-03-25T02:03:50.97
IV.PII.HHE. ML:1.7 0.000058917165 0.88 AML other m 2024-03-25T02:04:02.89
IV.PII.HHN. ML:1.8 0.000064737095 0.36 AML other m 2024-03-25T02:03:59.39
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