Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-05-2022 and time 11:36:46 (Italy) in region 3 km SW Impruneta (FI)

A magnitude ML 2.0 earthquake occured in region: 3 km SW Impruneta (FI), on

  • 09-05-2022 09:36:46 (UTC)
  • 09-05-2022 11:36:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6630, 11.2340 at 7 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.

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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
Impruneta FI 3 14615 14615
San Casciano in Val di Pesa FI 4 17062 31677
Greve in Chianti FI 11 13862 45539
Scandicci FI 12 50609 96148
Firenze FI 12 382808 478956
Bagno a Ripoli FI 12 25611 504567
Tavarnelle Val di Pesa FI 12 7800 512367
Montespertoli FI 13 13537 525904
Barberino Val d'Elsa FI 14 4386 530290
Lastra a Signa FI 16 20156 550446
Fiesole FI 17 13969 564415
Signa FI 17 19179 583594
Figline e Incisa Valdarno FI 17 23505 607099
Montelupo Fiorentino FI 19 14098 621197
Rignano sull'Arno FI 19 8651 629848
Sesto Fiorentino FI 19 48958 678806
Campi Bisenzio FI 19 46166 724972

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SE of Scandicci (50609 inhabitants)
12 Km S of Firenze (382808 inhabitants)
27 Km SE of Prato (191150 inhabitants)
39 Km N of Siena (53903 inhabitants)
39 Km SE of Pistoia (90315 inhabitants)
57 Km W of Arezzo (99543 inhabitants)
62 Km E of Lucca (89046 inhabitants)
67 Km E of Pisa (89158 inhabitants)
75 Km E of Livorno (159219 inhabitants)
82 Km E of Viareggio (62467 inhabitants)
86 Km SW of Imola (69797 inhabitants)
87 Km SW of Faenza (58541 inhabitants)
90 Km SW of Forlì (117913 inhabitants)
93 Km S of Bologna (386663 inhabitants)
97 Km SW of Cesena (96758 inhabitants)
97 Km E of Massa (69479 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 2.0 2022-05-09
09:36:46		 43.6627 11.2342 7 2023-01-31
19:03:50		 Bollettino Sismico Italiano INGV 110635861
Reviewed
Rev100 		ML 2.0 2022-05-09
09:36:46		 43.6483 11.2447 11 2022-05-09
09:43:32		 Sala Sismica INGV-Roma 104393481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-09 09:36:46 ± 0.07
Latitude 43.6627 ± 0.0036
Longitude 11.2342 ± 0.0062
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110635861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 477
Semi-minor axis of confidence ellipse (meter) 186
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01803
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 110635861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-18 16:01:14

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 104393481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-09 09:43:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2022-05-09T09:38:11.09 3.0 undecidable manual Sn 0.5 0
IV.MIDA.HHZ. 2022-05-09T09:38:10.51 3.0 undecidable manual Sn -1.01 0
IV.LPEL.HHZ. 2022-05-09T09:38:07.41 3.0 undecidable manual Sn 3.31 0
IV.SERM.EHZ. 2022-05-09T09:37:27.40 3.0 undecidable manual S -3.66 0
IV.PARC.HHZ. 2022-05-09T09:37:12.45 0.3 undecidable manual S 91 80.6637 50 0.77 53
IV.SERM.EHZ. 2022-05-09T09:37:12.28 3.0 undecidable manual P 0.62 0
IV.BADI.EHZ. 2022-05-09T09:37:12.89 0.3 undecidable manual S 101 82.9503 50 0.6 57
IV.BDI.HHZ. 2022-05-09T09:37:08.88 0.6 undecidable manual S 311 67.6767 50 0.66 38
GU.MAIM.HHZ. 2022-05-09T09:37:07.00 0.3 undecidable manual S 295 65.6898 50 -0.67 57
IV.VISG.HHZ. 2022-05-09T09:37:06.67 0.6 undecidable manual S 15 60.495 50 0.36 42
IV.LMD.HHZ. 2022-05-09T09:37:06.02 0.1 undecidable manual S 39 59.5959 50 -0.04 90
IV.MURB.HHZ. 2022-05-09T09:37:06.60 0.6 undecidable manual P 113 112.998 50 0.42 38
GU.EQUI.HHZ. 2022-05-09T09:37:05.34 0.6 undecidable manual P 303 102.9192 50 0.72 35
IV.CASP.HHZ. 2022-05-09T09:37:05.16 0.3 undecidable manual P 197 101.2209 50 0.79 50
IV.BADI.EHZ. 2022-05-09T09:37:02.24 0.3 undecidable manual P 101 82.9503 50 0.69 55
IV.FROS.CHE. 2022-05-09T09:37:02.50 0.3 undecidable manual S 187 50.616 50 -1.17 47
IV.SEI.HHZ. 2022-05-09T09:37:01.97 0.3 undecidable manual S 13 44.622 50 -0.08 69
IV.PARC.HHZ. 2022-05-09T09:37:01.79 0.3 undecidable manual P 91 80.6637 50 0.59 57
IV.MOCL.EHZ. 2022-05-09T09:37:00.00 0.3 undecidable manual S 354 38.2284 50 -0.35 66
IV.MPPT.EHZ. 2022-05-09T09:36:59.06 0.3 undecidable manual S 341 34.6431 102 -0.13 70
IV.CAFI.HHZ. 2022-05-09T09:36:59.84 0.3 undecidable manual P 122 69.5748 50 0.35 62
IV.BDI.HHZ. 2022-05-09T09:36:59.40 0.3 negative manual P 311 67.6767 50 0.2 65
IV.VISG.HHZ. 2022-05-09T09:36:58.08 0.1 undecidable manual P 15 60.495 50 -0.02 91
GU.MAIM.HHZ. 2022-05-09T09:36:58.97 0.1 undecidable manual P 295 65.6898 50 0.08 89
IV.LMD.HHZ. 2022-05-09T09:36:57.78 0.1 undecidable manual P 39 59.5959 50 -0.17 88
IV.CRE.HHZ. 2022-05-09T09:36:57.40 0.1 undecidable manual P 95 57.7977 50 -0.28 86
IV.PII.HHZ. 2022-05-09T09:36:57.62 0.1 undecidable manual P 277 57.2982 50 0.03 91
IV.BOSL.HHZ. 2022-05-09T09:36:57.86 0.3 undecidable manual S 21 31.8459 103 -0.35 67
GU.POPM.HHZ. 2022-05-09T09:36:57.55 0.6 undecidable manual P 318 57.0984 50 -0.01 46
IV.FROS.CHE. 2022-05-09T09:36:56.09 0.3 undecidable manual P 187 50.616 50 -0.48 63
IV.CRMI.HHZ. 2022-05-09T09:36:56.30 0.6 undecidable manual S 306 25.1526 106 0.31 45
IV.RUFI.EHZ. 2022-05-09T09:36:56.90 0.3 undecidable manual S 48 29.4483 104 -0.51 65
IV.SEI.HHZ. 2022-05-09T09:36:55.43 0.1 negative manual P 13 44.622 50 -0.21 90
IV.MOCL.EHZ. 2022-05-09T09:36:54.10 0.1 undecidable manual P 354 38.2284 50 -0.56 83
IV.CSNT.HHZ. 2022-05-09T09:36:53.94 0.3 undecidable manual S 168 21.4674 109 -0.83 58
IV.BOSL.HHZ. 2022-05-09T09:36:53.35 0.1 negative manual P 21 31.8459 103 -0.07 94
IV.MPPT.EHZ. 2022-05-09T09:36:53.61 0.1 positive manual P 341 34.6431 102 -0.38 88
IT.FIE.HGZ. 2022-05-09T09:36:53.40 0.6 undecidable manual S 17 16.7721 114 0.17 48
IV.RUFI.EHZ. 2022-05-09T09:36:52.79 0.1 positive manual P 48 29.4483 104 -0.17 93
ZH.T1646.EHN. 2022-05-09T09:36:52.08 0.6 undecidable manual S 268 10.0788 126 0.86 39
IV.FIR.HHZ. 2022-05-09T09:36:52.11 0.6 undecidable manual S 8 12.4764 121 0.19 48
IV.CRMI.HHZ. 2022-05-09T09:36:52.00 0.1 undecidable manual P 306 25.1526 106 -0.14 94
IV.OSSC.HHZ. 2022-05-09T09:36:52.91 0.3 undecidable manual S 177 15.4734 116 0.09 73
IV.CSNT.HHZ. 2022-05-09T09:36:51.10 0.1 negative manual P 168 21.4674 109 -0.33 91
ZH.T1647.EHZ. 2022-05-09T09:36:50.95 0.6 undecidable manual S 135 8.7801 130 0.09 49
IV.OSSC.HHZ. 2022-05-09T09:36:50.28 0.1 positive manual P 177 15.4734 116 -0.03 98
IV.FIR.HHZ. 2022-05-09T09:36:50.07 0.3 undecidable manual P 8 12.4764 121 0.28 70
IT.FIE.HGZ. 2022-05-09T09:36:50.81 0.1 undecidable manual P 17 16.7721 114 0.26 93
ZH.T1648.HNN. 2022-05-09T09:36:49.70 0.6 undecidable manual S 85 3.8961 152 -0.08 49
ZH.T1647.EHZ. 2022-05-09T09:36:49.19 0.1 negative manual P 135 8.7801 130 0.01 99
ZH.T1646.EHN. 2022-05-09T09:36:49.91 0.1 positive manual P 268 10.0788 126 0.52 89
ZH.T1648.HNN. 2022-05-09T09:36:48.58 0.1 positive manual P 85 3.8961 152 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIR.HNE. ML:2.7 0.006935 0.16 AML other m 2022-05-09T09:36:52.70
IV.FIR.HHE. ML:2.7 0.006965 0.16 AML other m 2022-05-09T09:36:52.70
IV.FIR.HNN. ML:2.6 0.00495 1.66 AML other m 2022-05-09T09:36:52.89
IV.FIR.HHN. ML:2.6 0.00489 1.66 AML other m 2022-05-09T09:36:52.89
IV.OSSC.HHE. ML:2.4 0.002625 0.98 AML other m 2022-05-09T09:36:53.52
IV.OSSC.HHN. ML:2.2 0.001815 0.48 AML other m 2022-05-09T09:36:53.94
IV.CSNT.HHN. ML:2.0 0.0008425 0.7 AML other m 2022-05-09T09:36:55.59
IV.CRMI.HNN. ML:2.0 0.0006414999999999999 1.36 AML other m 2022-05-09T09:36:56.85
IV.CRMI.HHN. ML:2.0 0.0006405000000000001 0.28 AML other m 2022-05-09T09:36:56.85
IV.CSNT.HHE. ML:2.2 0.0011635 0.32 AML other m 2022-05-09T09:36:57.19
IV.CRMI.HHE. ML:1.7 0.00033150000000000003 0.9 AML other m 2022-05-09T09:36:57.63
IV.CRMI.HNE. ML:1.9 0.0005110000000000001 0.4 AML other m 2022-05-09T09:36:57.45
IV.RUFI.EHN. ML:2.1 0.0006414999999999999 0.22 AML other m 2022-05-09T09:36:57.58
IV.RUFI.EHE. ML:2.1 0.0006325 0.26 AML other m 2022-05-09T09:36:57.88
IV.BOSL.HHE. ML:2.0 0.00046499999999999997 0.42 AML other m 2022-05-09T09:36:58.23
IV.BOSL.HHN. ML:1.9 0.00034599999999999995 0.98 AML other m 2022-05-09T09:36:58.43
IV.MPPT.EHE. ML:2.0 0.00039549999999999996 0.6 AML other m 2022-05-09T09:36:59.54
IV.MPPT.EHN. ML:1.8 0.0002475 0.56 AML other m 2022-05-09T09:36:59.54
IV.MOCL.EHE. ML:2.4 0.000855 1.2 AML other m 2022-05-09T09:37:00.73
IV.MOCL.EHN. ML:2.4 0.000876 1.2 AML other m 2022-05-09T09:37:01.87
IV.SEI.HHN. ML:2.6 0.001175 1.32 AML other m 2022-05-09T09:37:05.86
GU.POPM.HHE. ML:1.9 0.0001945 0.7 AML other m 2022-05-09T09:37:06.41
GU.POPM.HHN. ML:2.0 0.000234 0.74 AML other m 2022-05-09T09:37:06.08
IV.PII.HHN. ML:2.3 0.00040149999999999995 0.3 AML other m 2022-05-09T09:37:06.80
IV.PII.HHE. ML:2.2 0.00039400000000000004 0.34 AML other m 2022-05-09T09:37:06.86
IV.VISG.HHE. ML:1.9 0.000175 1.58 AML other m 2022-05-09T09:37:06.89
IV.LMD.HHE. ML:2.4 0.000551 0.32 AML other m 2022-05-09T09:37:07.01
IV.SEI.HHE. ML:2.2 0.0004735 1.58 AML other m 2022-05-09T09:37:07.88
IV.VISG.HHN. ML:1.8 0.0001175 1.6 AML other m 2022-05-09T09:37:07.10
IV.LMD.HHN. ML:2.2 0.000347 0.94 AML other m 2022-05-09T09:37:07.91
GU.MAIM.HHE. ML:1.7 0.00008645 0.34 AML other m 2022-05-09T09:37:08.64
IV.CAFI.HHN. ML:1.6 0.0000704 1.08 AML other m 2022-05-09T09:37:08.34
IV.CRE.HHE. ML:2.0 0.0002285 0.28 AML other m 2022-05-09T09:37:09.40
GU.MAIM.HHN. ML:1.7 0.00008659999999999999 1.04 AML other m 2022-05-09T09:37:09.59
IV.CRE.HHN. ML:2.0 0.0002215 0.84 AML other m 2022-05-09T09:37:09.64
IV.BDI.HHN. ML:1.9 0.0001485 0.9 AML other m 2022-05-09T09:37:11.01
IV.BDI.HHE. ML:1.9 0.000135 0.4 AML other m 2022-05-09T09:37:11.37
IV.CAFI.HHE. ML:1.6 0.00007680000000000001 0.48 AML other m 2022-05-09T09:37:12.51
IV.PARC.HHE. ML:1.7 0.0000654 0.42 AML other m 2022-05-09T09:37:14.93
IV.PARC.HHN. ML:2.0 0.00014600000000000003 1.3 AML other m 2022-05-09T09:37:15.93
IV.BADI.EHN. ML:1.9 0.00010135 0.38 AML other m 2022-05-09T09:37:15.66
IV.CASP.HHE. ML:1.7 0.000048049999999999996 1.68 AML other m 2022-05-09T09:37:17.93
GU.EQUI.HHE. ML:1.9 0.00007185 1.46 AML other m 2022-05-09T09:37:19.21
IV.BADI.EHE. ML:1.9 0.00010400000000000001 1.16 AML other m 2022-05-09T09:37:20.73
GU.EQUI.HHN. ML:1.8 0.00005835 1.12 AML other m 2022-05-09T09:37:20.79
IV.CASP.HHN. ML:1.4 0.000027450000000000003 1.54 AML other m 2022-05-09T09:37:23.10
IV.MURB.HHN. ML:2.2 0.0001135 0.38 AML other m 2022-05-09T09:37:27.64
IV.MURB.HHE. ML:2.1 0.0001121 0.88 AML other m 2022-05-09T09:37:28.94
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
Waveforms Seismic signals in miniseed + resp format Download