Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 27-04-2024 and time 03:59:22 (Italy) in region 4 km N Barberino di Mugello (FI)

A magnitude ML 1.2 earthquake occured in region: 4 km N Barberino di Mugello (FI), on

  • 27-04-2024 01:59:22 (UTC)
  • 27-04-2024 03:59:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0330, 11.2450 at 10 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
Barberino di Mugello FI 4 10836 10836
Vernio PO 7 6060 16896
Scarperia e San Piero FI 10 12217 29113
Cantagallo PO 11 3105 32218
Vaiano PO 12 9895 42113
Castiglione dei Pepoli BO 14 5648 47761
Borgo San Lorenzo FI 14 18211 65972
Vaglia FI 14 5073 71045
Firenzuola FI 14 4726 75771
Calenzano FI 20 17489 93260
Camugnano BO 20 1885 95145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Prato (191150 inhabitants)
28 Km E of Pistoia (90315 inhabitants)
29 Km N of Firenze (382808 inhabitants)
31 Km N of Scandicci (50609 inhabitants)
52 Km SW of Imola (69797 inhabitants)
52 Km S of Bologna (386663 inhabitants)
58 Km W of Faenza (58541 inhabitants)
63 Km E of Lucca (89046 inhabitants)
67 Km W of Forlì (117913 inhabitants)
73 Km SE of Modena (184973 inhabitants)
76 Km E of Pisa (89158 inhabitants)
80 Km N of Siena (53903 inhabitants)
81 Km W of Cesena (96758 inhabitants)
81 Km NW of Arezzo (99543 inhabitants)
82 Km E of Viareggio (62467 inhabitants)
87 Km W of Ravenna (159116 inhabitants)
88 Km E of Massa (69479 inhabitants)
88 Km SE of Carpi (70699 inhabitants)
89 Km SE of Reggio nell'Emilia (171345 inhabitants)
92 Km E of Carrara (63133 inhabitants)
92 Km NE of Livorno (159219 inhabitants)
94 Km SW of Ferrara (133155 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 1.2 2024-04-27
01:59:22		 44.033 11.245 10 2024-04-27
02:04:58		 Sala Sismica INGV-Roma 127122421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-27 01:59:22 ± 0.05
Latitude 44.0330 ± 0.0036
Longitude 11.2450 ± 0.0038
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 127122421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 442
Semi-minor axis of confidence ellipse (meter) 267
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.60434
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 127122421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-27 02:04:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2024-04-27T01:59:34.24 1.0 undecidable manual P 239 67.0773 50 0.25 22
IV.CSNT.HHZ. 2024-04-27T01:59:33.25 0.1 undecidable manual P 177 62.1933 50 0.02 91
IV.RUFI.EHZ. 2024-04-27T01:59:32.69 0.3 undecidable manual S 136 30.2475 50 -0.12 70
IV.SFI.EHZ. 2024-04-27T01:59:31.69 0.6 positive manual P 106 50.1165 50 0.32 44
IV.VMGN.HHZ. 2024-04-27T01:59:31.76 0.3 undecidable manual S 111 24.5532 50 0.46 67
IV.BDI.HHZ. 2024-04-27T01:59:31.71 0.6 negative manual P 274 51.9036 50 0.07 46
GU.POPM.HHZ. 2024-04-27T01:59:29.63 0.6 positive manual P 272 38.9277 50 -0.02 47
IV.LMD.HHZ. 2024-04-27T01:59:29.26 0.6 undecidable manual P 82 37.1295 50 -0.11 46
IV.RUFI.EHZ. 2024-04-27T01:59:28.21 0.6 positive manual P 136 30.2475 50 -0.09 47
IV.MPPT.EHZ. 2024-04-27T01:59:28.48 0.6 undecidable manual S 236 14.874 125 0.03 49
IV.CRMI.HHZ. 2024-04-27T01:59:28.85 0.3 positive manual P 219 33.8439 50 0 71
IV.BOSL.HHZ. 2024-04-27T01:59:28.38 0.6 undecidable manual S 138 15.2736 124 -0.18 49
IV.VISG.HHZ. 2024-04-27T01:59:27.16 0.1 positive manual P 41 22.9548 50 -0.02 97
IT.FIE.HGN. 2024-04-27T01:59:27.36 0.1 undecidable manual P 171 25.3524 50 -0.19 93
IV.VMGN.HHZ. 2024-04-27T01:59:27.53 0.6 positive manual P 111 24.5532 50 0.1 48
IV.SEI.HHZ. 2024-04-27T01:59:26.72 0.6 undecidable manual S 75 9.3795 138 -0.27 48
IV.MOCL.EHZ. 2024-04-27T01:59:26.14 0.3 undecidable manual S 239 5.994 150 -0.17 74
IV.MPPT.EHZ. 2024-04-27T01:59:25.88 0.1 undecidable manual P 236 14.874 125 0.1 97
IV.BOSL.HHZ. 2024-04-27T01:59:25.92 0.3 undecidable manual P 138 15.2736 124 0.07 73
IV.MOCL.EHZ. 2024-04-27T01:59:24.64 0.1 undecidable manual P 239 5.994 150 0.1 98
IV.SEI.HHZ. 2024-04-27T01:59:24.90 0.1 undecidable manual P 75 9.3795 138 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOCL.EHN. ML:2.3 0.0030600000000000002 0.12 AML other m 2024-04-27T01:59:26.27
IV.MOCL.EHE. ML:2.0 0.0014700000000000002 0.16 AML other m 2024-04-27T01:59:26.28
IV.SEI.HHE. ML:1.9 0.0011330000000000001 1.54 AML other m 2024-04-27T01:59:27.21
IV.SEI.HHN. ML:2.2 0.00217 1.38 AML other m 2024-04-27T01:59:27.07
IV.BOSL.HHE. ML:0.9 0.0000707 1.64 AML other m 2024-04-27T01:59:29.10
IV.MPPT.EHN. ML:1.2 0.00014800000000000002 0.98 AML other m 2024-04-27T01:59:29.77
IV.BOSL.HHN. ML:0.8 0.00006055000000000001 0.68 AML other m 2024-04-27T01:59:29.67
IV.MPPT.EHE. ML:1.2 0.0001385 0.8 AML other m 2024-04-27T01:59:29.54
IV.VISG.HHE. ML:0.9 0.0000558 0.42 AML other m 2024-04-27T01:59:31.56
IV.VISG.HHN. ML:0.9 0.000049000000000000005 0.9 AML other m 2024-04-27T01:59:31.47
IV.VMGN.HHE. ML:0.9 0.000045600000000000004 1.42 AML other m 2024-04-27T01:59:31.79
IV.VMGN.HHN. ML:0.8 0.00003665 1.44 AML other m 2024-04-27T01:59:33.73
IV.LMD.HHN. ML:1.2 0.0000532 0.68 AML other m 2024-04-27T01:59:34.96
IV.LMD.HHE. ML:1.1 0.0000465 1.14 AML other m 2024-04-27T01:59:37.57
GU.POPM.HHE. ML:1.4 0.0000923 1.2 AML other m 2024-04-27T01:59:37.99
GU.POPM.HHN. ML:1.6 0.000133 0.72 AML other m 2024-04-27T01:59:37.45
IV.CRMI.HHE. ML:0.8 0.00002575 0.28 AML other m 2024-04-27T01:59:38.35
IV.CRMI.HHN. ML:1.0 0.00004655 0.4 AML other m 2024-04-27T01:59:38.58
IV.BDI.HHN. ML:1.5 0.00007575 1.32 AML other m 2024-04-27T01:59:40.76
IV.BDI.HHE. ML:1.4 0.00006715 1.6 AML other m 2024-04-27T01:59:41.81
IV.CSNT.HHE. ML:1.1 0.000026549999999999998 1.16 AML other m 2024-04-27T01:59:43.36
IV.CSNT.HHN. ML:1.2 0.000030100000000000003 0.84 AML other m 2024-04-27T01:59:45.42
IV.PII.HHE. ML:1.4 0.00004385 0.26 AML other m 2024-04-27T01:59:45.73
IV.PII.HHN. ML:1.4 0.0000494 1.02 AML other m 2024-04-27T01:59:45.42
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