Earthquake with magnitude of ML 1.8 on date 03-03-2022 and time 22:03:47 (UTC) in region 5 km N Borgo San Lorenzo (FI)

A magnitude ML 1.8 earthquake occured in region: 5 km N Borgo San Lorenzo (FI), on

  • 03-03-2022 22:03:47 (UTC)
  • 03-03-2022 23:03:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0020, 11.3980 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Borgo San Lorenzo FI 5 18211 18211
Scarperia e San Piero FI 7 12217 30428
Vicchio FI 9 8044 38472
Barberino di Mugello FI 13 10836 49308
Firenzuola FI 13 4726 54034
Vaglia FI 14 5073 59107
Dicomano FI 16 5515 64622
Palazzuolo sul Senio FI 17 1154 65776
Marradi FI 19 3139 68915
San Godenzo FI 20 1167 70082

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Prato (191150 inhabitants)
28 Km NE of Firenze (382808 inhabitants)
32 Km NE of Scandicci (50609 inhabitants)
39 Km E of Pistoia (90315 inhabitants)
47 Km SW of Imola (69797 inhabitants)
50 Km SW of Faenza (58541 inhabitants)
55 Km S of Bologna (386663 inhabitants)
57 Km W of Forlì (117913 inhabitants)
69 Km W of Cesena (96758 inhabitants)
71 Km NW of Arezzo (99543 inhabitants)
74 Km E of Lucca (89046 inhabitants)
76 Km N of Siena (53903 inhabitants)
79 Km SW of Ravenna (159116 inhabitants)
81 Km SE of Modena (184973 inhabitants)
86 Km E of Pisa (89158 inhabitants)
93 Km E of Viareggio (62467 inhabitants)
94 Km W of Rimini (147750 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
96 Km SE of Carpi (70699 inhabitants)
99 Km SE of Reggio nell'Emilia (171345 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
Bulletin
Rev1000
ML 1.8 2022-03-03
22:03:47
44.0015 11.3983 8 2022-07-08
12:34:02
Bollettino Sismico Italiano INGV 105873951
Reviewed
Rev100
ML 1.8 2022-03-03
22:03:47
44.0043 11.4 8 2022-03-03
22:13:17
Sala Sismica INGV-Roma 101656071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-03 22:03:47 ± 0.06
Latitude 44.0015 ± 0.0036
Longitude 11.3983 ± 0.0050
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105873951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 336
Semi-minor axis of confidence ellipse (meter) 301
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.68888
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 105873951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-11 03:43:26

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 101656071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-03 22:13:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2022-03-03T22:04:06.37 0.6 undecidable manual S 188 59.2962 50 0.19 45
IV.OSSC.HHZ. 2022-03-03T22:04:05.23 0.6 undecidable manual S 193 54.4011 50 0.35 44
IV.BRIS.HHZ. 2022-03-03T22:04:01.10 0.3 undecidable manual S 50 38.3283 50 0.51 65
IV.MTRZ.HNN. 2022-03-03T22:04:01.13 0.6 undecidable manual S 3 34.6431 103 1.55 27
IV.PII.HHZ. 2022-03-03T22:04:00.18 0.3 undecidable manual P 246 76.4679 50 -0.64 58
IV.CRMI.HHZ. 2022-03-03T22:04:00.96 0.3 undecidable manual S 236 40.5261 50 -0.21 69
IV.CRE.HHZ. 2022-03-03T22:03:58.50 0.3 undecidable manual P 134 61.3941 50 0 70
IV.FNVD.HHZ. 2022-03-03T22:03:57.33 0.6 undecidable manual S 310 28.6491 106 -0.27 47
IV.OSSC.HHZ. 2022-03-03T22:03:57.24 0.1 undecidable manual P 193 54.4011 50 -0.19 91
IV.CSNT.HHZ. 2022-03-03T22:03:57.99 0.3 undecidable manual P 188 59.2962 50 -0.18 67
IV.FIR.HNE. 2022-03-03T22:03:57.66 0.6 undecidable manual S 204 27.6501 106 0.39 46
IV.LMD.HHZ. 2022-03-03T22:03:56.32 0.3 undecidable manual S 71 26.0517 107 -0.4 68
IV.MPPT.EHZ. 2022-03-03T22:03:56.37 0.3 undecidable manual S 259 25.0527 108 -0.03 74
IV.CRMI.HHZ. 2022-03-03T22:03:55.10 0.1 undecidable manual P 236 40.5261 50 -0.19 93
IV.MTRZ.HNN. 2022-03-03T22:03:55.20 0.3 undecidable manual P 3 34.6431 103 0.83 58
IT.FIE.HGZ. 2022-03-03T22:03:55.97 0.3 undecidable manual S 201 23.0547 109 0.22 71
IV.BRIS.HHZ. 2022-03-03T22:03:55.00 0.3 undecidable manual P 50 38.3283 50 0.05 72
IV.VISG.HHZ. 2022-03-03T22:03:54.89 0.3 undecidable manual S 8 20.9679 111 -0.17 72
IV.MOCL.EHZ. 2022-03-03T22:03:54.02 0.3 undecidable manual S 271 17.3715 115 0.12 74
IV.RUFI.EHZ. 2022-03-03T22:03:54.58 0.3 undecidable manual S 154 20.1687 112 -0.23 72
IV.FIR.HNE. 2022-03-03T22:03:53.12 0.3 undecidable manual P 204 27.6501 106 0.09 73
IV.LMD.HHZ. 2022-03-03T22:03:52.38 0.1 undecidable manual P 71 26.0517 107 -0.33 92
IV.MPPT.EHZ. 2022-03-03T22:03:52.53 0.1 undecidable manual P 259 25.0527 108 0 99
IV.FNVD.HHZ. 2022-03-03T22:03:52.98 0.3 undecidable manual P 310 28.6491 106 -0.25 70
IT.FIE.HGZ. 2022-03-03T22:03:52.14 0.1 undecidable manual P 201 23.0547 109 -0.02 99
IV.MOCL.EHZ. 2022-03-03T22:03:51.25 0.1 undecidable manual P 271 17.3715 115 0.16 97
IV.RUFI.EHZ. 2022-03-03T22:03:51.59 0.1 undecidable manual P 154 20.1687 112 -0.02 100
IV.BOSL.HHZ. 2022-03-03T22:03:51.44 0.3 undecidable manual S 194 8.0808 135 0.21 73
IV.VISG.HHZ. 2022-03-03T22:03:51.77 0.1 undecidable manual P 8 20.9679 111 0.01 100
IV.SEI.HHZ. 2022-03-03T22:03:50.49 0.3 undecidable manual S 332 6.6933 141 -0.41 70
IV.SEI.HHZ. 2022-03-03T22:03:49.24 0.1 undecidable manual P 332 6.6933 141 -0.12 100
IV.BOSL.HHZ. 2022-03-03T22:03:49.83 0.1 undecidable manual P 194 8.0808 135 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:2.2 0.002525 0.14 AML other m 2022-03-03T22:03:50.62
IV.SEI.HHN. ML:2.2 0.0026837914999999998 0.2432 AML other m 2022-03-03T22:03:51.95
IV.MOCL.EHN. ML:2.0 0.0008703350000000001 0.192 AML other m 2022-03-03T22:03:54.35
IV.MOCL.EHE. ML:1.9 0.0007650000000000001 0.2 AML other m 2022-03-03T22:03:54.68
IV.RUFI.EHE. ML:1.5 0.0002313805 0.2176 AML other m 2022-03-03T22:03:55.24
IV.RUFI.EHN. ML:1.6 0.00033650000000000005 0.3 AML other m 2022-03-03T22:03:55.18
IV.VISG.HHN. ML:2.0 0.000732 0.22 AML other m 2022-03-03T22:03:56.08
IV.VISG.HHE. ML:1.8 0.0004985 0.28 AML other m 2022-03-03T22:03:56.58
IV.LMD.HHE. ML:1.9 0.0005145 0.22 AML other m 2022-03-03T22:03:56.64
IV.LMD.HHN. ML:2.0 0.0006285 0.12 AML other m 2022-03-03T22:03:56.72
IV.MPPT.EHN. ML:1.6 0.00023300000000000003 0.14 AML other m 2022-03-03T22:03:57.28
IV.MPPT.EHE. ML:1.6 0.00023299999999999997 0.44 AML other m 2022-03-03T22:03:57.60
IV.FNVD.HHE. ML:1.7 0.0002475 0.12 AML other m 2022-03-03T22:03:58.64
IV.FNVD.HHN. ML:1.7 0.000266 0.3 AML other m 2022-03-03T22:03:58.80
IV.BRIS.HHN. ML:1.3 0.000074 0.26 AML other m 2022-03-03T22:04:01.35
IV.BRIS.HHE. ML:1.1 0.000048159954999999997 0.3328 AML other m 2022-03-03T22:04:01.35
IV.CRMI.HHE. ML:1.4 0.00008069467999999999 0.2304 AML other m 2022-03-03T22:04:01.97
IV.CRMI.HHN. ML:1.5 0.000121550195 0.1152 AML other m 2022-03-03T22:04:01.98
IV.OSSC.HHE. ML:2.2 0.000363 0.18 AML other m 2022-03-03T22:04:05.85
IV.OSSC.HHN. ML:2.0 0.0002635 0.2 AML other m 2022-03-03T22:04:06.26
IV.CSNT.HHN. ML:1.9 0.000153 0.16 AML other m 2022-03-03T22:04:07.18
IV.CSNT.HHE. ML:1.9 0.00016299999999999998 0.16 AML other m 2022-03-03T22:04:07.64
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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