Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 09-05-2022 and time 03:22:15 (UTC) in region 3 km E San Casciano in Val di Pesa (FI)

A magnitude ML 2.2 earthquake occured in region: 3 km E San Casciano in Val di Pesa (FI), on

  • 09-05-2022 03:22:15 (UTC)
  • 09-05-2022 05:22:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6580, 11.2270 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
San Casciano in Val di Pesa FI 3 17062 17062
Impruneta FI 4 14615 31677
Greve in Chianti FI 11 13862 45539
Tavarnelle Val di Pesa FI 12 7800 53339
Scandicci FI 12 50609 103948
Montespertoli FI 12 13537 117485
Firenze FI 13 382808 500293
Bagno a Ripoli FI 13 25611 525904
Barberino Val d'Elsa FI 14 4386 530290
Lastra a Signa FI 16 20156 550446
Signa FI 17 19179 569625
Fiesole FI 18 13969 583594
Figline e Incisa Valdarno FI 18 23505 607099
Montelupo Fiorentino FI 18 14098 621197
Certaldo FI 19 16121 637318
Campi Bisenzio FI 20 46166 683484
Sesto Fiorentino FI 20 48958 732442
Rignano sull'Arno FI 20 8651 741093

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SE of Scandicci (50609 inhabitants)
13 Km S of Firenze (382808 inhabitants)
27 Km SE of Prato (191150 inhabitants)
39 Km N of Siena (53903 inhabitants)
40 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)
87 Km SW of Imola (69797 inhabitants)
88 Km SW of Faenza (58541 inhabitants)
91 Km SW of Forlì (117913 inhabitants)
94 Km S of Bologna (386663 inhabitants)
97 Km E of Massa (69479 inhabitants)
97 Km SW of Cesena (96758 inhabitants)
100 Km N of Grosseto (82087 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 2.2 2022-05-09
03:22:15		 43.6577 11.227 7 2023-01-31
19:03:32		 Bollettino Sismico Italiano INGV 108591641
Reviewed
Rev100 		ML 2.1 2022-05-09
03:22:15		 43.6533 11.2348 10 2022-05-09
03:29:09		 Sala Sismica INGV-Roma 104373561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-09 03:22:15 ± 0.06
Latitude 43.6577 ± 0.0027
Longitude 11.2270 ± 0.0050
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 108591641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 404
Semi-minor axis of confidence ellipse (meter) 147
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.80588
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 59
Type of magnitude ML
Reference to an origin 108591641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-18 14:34:50

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 58
Type of magnitude ML
Reference to an origin 104373561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-09 03:29:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GATE.HHZ. 2022-05-09T03:24:02.02 3.0 undecidable manual Sg 10.3 0
IV.PTRJ.HHZ. 2022-05-09T03:23:50.51 3.0 undecidable manual Sn 1.6 0
IV.GIUL.HHZ. 2022-05-09T03:23:30.71 3.0 undecidable manual Sn 0.72 0
SI.KOSI.HHZ. 2022-05-09T03:23:02.23 0.3 undecidable manual P 2 311.4549 38 0.64 16
ST.CARE.EHZ. 2022-05-09T03:23:02.53 0.3 undecidable manual P 352 309.8565 38 1.14 13
IV.VCEL.EHZ. 2022-05-09T03:23:01.41 3.0 undecidable manual Pg 7.84 0
SI.LUSI.HHZ. 2022-05-09T03:22:55.17 0.3 undecidable manual P 355 256.3545 38 0.44 28
IV.CTI.HHZ. 2022-05-09T03:22:55.88 0.3 undecidable manual P 7 267.2325 38 -0.21 27
ST.DOSS.HHZ. 2022-05-09T03:22:53.35 0.3 undecidable manual P 359 246.6642 38 -0.17 32
ST.VARA.EHZ. 2022-05-09T03:22:52.93 0.3 undecidable manual P 354 241.98 38 -0.01 34
IV.ROVR.HHZ. 2022-05-09T03:22:50.34 0.3 undecidable manual P 357 221.0121 38 0.01 40
IV.PIEI.HHZ. 2022-05-09T03:22:47.16 0.6 undecidable manual S 97 105.9162 50 -0.03 43
IV.ZOVE.EHZ. 2022-05-09T03:22:47.56 0.3 undecidable manual P 6 200.244 38 -0.2 44
GU.EQUI.HHZ. 2022-05-09T03:22:47.21 0.6 undecidable manual S 304 102.7194 50 0.89 33
IV.PARC.HHZ. 2022-05-09T03:22:41.08 0.3 undecidable manual S 90 81.1521 50 0.5 61
GU.MAIM.HHZ. 2022-05-09T03:22:36.00 0.3 undecidable manual S 296 65.3901 50 -0.35 65
IV.LMD.HHZ. 2022-05-09T03:22:35.02 0.1 undecidable manual S 39 60.3951 50 0 94
IV.VISG.HHZ. 2022-05-09T03:22:35.15 0.6 undecidable manual S 16 61.1943 50 -0.1 46
GU.EQUI.HHZ. 2022-05-09T03:22:34.13 0.3 undecidable manual P 304 102.7194 50 0.78 52
IV.PIEI.HHZ. 2022-05-09T03:22:34.24 0.3 undecidable manual P 97 105.9162 50 0.39 59
IV.SACS.HHZ. 2022-05-09T03:22:34.24 0.3 undecidable manual P 148 105.3168 50 0.49 58
IV.ATPI.EHZ. 2022-05-09T03:22:33.08 0.1 undecidable manual P 103 97.2249 50 0.58 76
IV.CASP.HHZ. 2022-05-09T03:22:33.41 0.3 undecidable manual P 197 100.5216 50 0.4 60
IV.PII.HHZ. 2022-05-09T03:22:33.23 0.6 undecidable manual S 277 56.7987 50 -0.83 37
IV.SEI.HHZ. 2022-05-09T03:22:31.28 0.6 undecidable manual S 13 45.2214 50 0.3 45
IV.ARCI.HHZ. 2022-05-09T03:22:31.98 0.3 undecidable manual P 167 91.6416 50 0.34 62
IV.FROS.CHZ. 2022-05-09T03:22:31.28 0.6 undecidable manual S 187 50.0166 50 -0.98 35
IV.PARC.HHZ. 2022-05-09T03:22:29.90 0.1 undecidable manual P 90 81.1521 50 -0.13 88
IV.MOCL.EHZ. 2022-05-09T03:22:28.96 0.1 undecidable manual S 355 38.7279 50 -0.28 92
IV.CAFI.HNE. 2022-05-09T03:22:28.35 0.1 undecidable manual P 121 69.7746 50 0.08 91
IV.VISG.HHZ. 2022-05-09T03:22:27.20 0.1 undecidable manual P 16 61.1943 50 0.24 89
GU.MAIM.HHZ. 2022-05-09T03:22:27.76 0.3 undecidable manual P 296 65.3901 50 0.17 67
IV.BDI.HHZ. 2022-05-09T03:22:27.99 0.3 undecidable manual P 312 67.5768 50 0.05 69
IV.MPPT.EHZ. 2022-05-09T03:22:27.71 0.3 undecidable manual S 342 35.0427 102 -0.34 69
IV.FNVD.HHZ. 2022-05-09T03:22:26.50 0.1 undecidable manual P 352 57.1983 50 0.16 91
IV.BOSL.HHZ. 2022-05-09T03:22:26.73 0.1 undecidable manual S 21 32.5452 103 -0.47 89
IV.LMD.HHZ. 2022-05-09T03:22:26.60 0.1 undecidable manual P 39 60.3951 50 -0.22 89
IV.PII.HHZ. 2022-05-09T03:22:26.07 0.1 undecidable manual P 277 56.7987 50 -0.2 91
IV.FROS.CHZ. 2022-05-09T03:22:25.00 0.3 undecidable manual P 187 50.0166 50 -0.23 68
IV.CRMI.HHZ. 2022-05-09T03:22:25.08 0.3 undecidable manual S 308 25.0527 106 0.39 69
IV.CRE.HHE. 2022-05-09T03:22:25.96 0.1 positive manual P 94 58.2972 50 -0.55 83
IV.RUFI.EHZ. 2022-05-09T03:22:25.91 0.3 undecidable manual S 48 30.2475 104 -0.5 67
IV.SEI.HHZ. 2022-05-09T03:22:24.40 0.1 negative manual P 13 45.2214 50 -0.09 95
IV.MOCL.EHZ. 2022-05-09T03:22:23.04 0.1 negative manual P 355 38.7279 50 -0.44 89
IV.BOSL.HHZ. 2022-05-09T03:22:22.16 0.1 positive manual P 21 32.5452 103 -0.15 96
IV.MPPT.EHZ. 2022-05-09T03:22:22.42 0.1 negative manual P 342 35.0427 102 -0.38 91
IT.FIE.HGZ. 2022-05-09T03:22:22.49 0.1 undecidable manual S 18 17.4714 113 0.29 95
IV.CSNT.HHZ. 2022-05-09T03:22:22.98 0.3 undecidable manual S 166 21.0678 109 -0.39 69
IV.FIR.HNZ. 2022-05-09T03:22:21.12 0.1 undecidable manual S 10 13.1757 119 0.27 96
IV.OSSC.HHZ. 2022-05-09T03:22:21.48 0.3 undecidable manual S 174 14.9739 116 0.08 75
IV.RUFI.EHZ. 2022-05-09T03:22:21.68 0.1 positive manual P 48 30.2475 104 -0.17 95
IV.CRMI.HHZ. 2022-05-09T03:22:20.86 0.1 negative manual P 308 25.0527 106 0 100
IT.FIE.HGZ. 2022-05-09T03:22:19.75 0.1 undecidable manual P 18 17.4714 113 0.33 94
IV.CSNT.HHZ. 2022-05-09T03:22:19.89 0.1 negative manual P 166 21.0678 109 -0.21 96
IV.OSSC.HHZ. 2022-05-09T03:22:19.04 0.1 positive manual P 174 14.9739 116 0.08 100
IV.FIR.HNZ. 2022-05-09T03:22:18.98 0.1 undecidable manual P 10 13.1757 119 0.34 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:2.7 0.005545 1.32 AML other m 2022-05-09T03:22:22.75
IV.OSSC.HHN. ML:2.5 0.0031349999999999998 0.4 AML other m 2022-05-09T03:22:22.33
IV.CSNT.HHE. ML:2.4 0.002115 0.26 AML other m 2022-05-09T03:22:25.18
IV.CRMI.HNE. ML:1.9 0.0005 0.54 AML other m 2022-05-09T03:22:25.65
IV.CRMI.HHN. ML:2.1 0.0008905 0.48 AML other m 2022-05-09T03:22:25.95
IV.CRMI.HNN. ML:2.1 0.000889 0.5 AML other m 2022-05-09T03:22:25.71
IV.RUFI.EHE. ML:2.5 0.00156 0.26 AML other m 2022-05-09T03:22:26.74
IV.CRMI.HHE. ML:1.8 0.00038950000000000003 0.56 AML other m 2022-05-09T03:22:26.66
IV.CSNT.HHN. ML:2.4 0.00197 1.46 AML other m 2022-05-09T03:22:26.89
IV.BOSL.HHE. ML:2.4 0.001244 0.16 AML other m 2022-05-09T03:22:27.16
IV.RUFI.EHN. ML:2.4 0.001405 1.12 AML other m 2022-05-09T03:22:27.25
IV.BOSL.HHN. ML:2.2 0.000755 0.34 AML other m 2022-05-09T03:22:27.54
IV.MPPT.EHN. ML:2.1 0.000497 0.56 AML other m 2022-05-09T03:22:28.49
IV.MPPT.EHE. ML:2.3 0.0007920000000000001 0.6 AML other m 2022-05-09T03:22:28.51
IV.MOCL.EHE. ML:2.6 0.0014750000000000002 0.68 AML other m 2022-05-09T03:22:29.14
IV.MOCL.EHN. ML:2.5 0.0012000000000000001 0.9 AML other m 2022-05-09T03:22:29.40
IV.FROS.CHE. ML:2.9 0.00227 0.2 AML other m 2022-05-09T03:22:31.81
IV.SEI.HHN. ML:3.0 0.0027 0.28 AML other m 2022-05-09T03:22:32.39
IV.FROS.CHN. ML:2.7 0.0014399999999999999 0.46 AML other m 2022-05-09T03:22:32.34
IV.PII.HHE. ML:2.5 0.000672 0.28 AML other m 2022-05-09T03:22:33.95
IV.LMD.HHE. ML:2.6 0.0009435 0.64 AML other m 2022-05-09T03:22:35.03
IV.PII.HHN. ML:2.4 0.0006255 0.32 AML other m 2022-05-09T03:22:35.58
IV.SEI.HHE. ML:2.5 0.0009335 0.42 AML other m 2022-05-09T03:22:35.83
IV.VISG.HHE. ML:2.3 0.000386 0.74 AML other m 2022-05-09T03:22:35.81
IV.VISG.HHN. ML:2.2 0.00029400000000000004 1.6 AML other m 2022-05-09T03:22:36.00
IV.LMD.HHN. ML:2.6 0.0008810000000000001 0.68 AML other m 2022-05-09T03:22:36.01
IV.FNVD.HHE. ML:2.2 0.0003545 1.18 AML other m 2022-05-09T03:22:37.13
GU.MAIM.HHE. ML:1.7 0.00008460000000000001 0.34 AML other m 2022-05-09T03:22:37.60
GU.MAIM.HHN. ML:1.9 0.00014000000000000001 0.86 AML other m 2022-05-09T03:22:38.48
IV.FNVD.HHN. ML:2.3 0.000409 0.48 AML other m 2022-05-09T03:22:39.29
IV.BDI.HHE. ML:2.0 0.0001725 0.46 AML other m 2022-05-09T03:22:40.96
IV.BDI.HHN. ML:2.0 0.0001825 1.66 AML other m 2022-05-09T03:22:40.91
IV.BDI.HNN. ML:2.2 0.00028900000000000003 0.4 AML other m 2022-05-09T03:22:40.92
IV.PARC.HHN. ML:2.2 0.0001875 1.48 AML other m 2022-05-09T03:22:44.13
IV.BDI.HNE. ML:2.1 0.00022449999999999998 0.96 AML other m 2022-05-09T03:22:44.32
IV.CASP.HHN. ML:1.8 0.000060700000000000005 0.28 AML other m 2022-05-09T03:22:45.67
IV.CASP.HHE. ML:2.0 0.00009334999999999999 0.3 AML other m 2022-05-09T03:22:45.82
IV.ARCI.HHE. ML:1.8 0.00007569999999999998 0.96 AML other m 2022-05-09T03:22:46.43
IV.ARCI.HHN. ML:1.8 0.00008219999999999999 0.34 AML other m 2022-05-09T03:22:47.60
IV.PARC.HHE. ML:2.0 0.000118 0.88 AML other m 2022-05-09T03:22:47.46
GU.EQUI.HHE. ML:2.1 0.000125 1.52 AML other m 2022-05-09T03:22:48.90
IV.ATPI.EHE. ML:1.9 0.00008834999999999999 0.42 AML other m 2022-05-09T03:22:49.28
GU.EQUI.HHN. ML:2.0 0.0000945 0.3 AML other m 2022-05-09T03:22:49.62
IV.ATPI.EHN. ML:2.0 0.0001107 1.48 AML other m 2022-05-09T03:22:50.03
IV.PIEI.HHE. ML:1.9 0.00006845000000000001 1.76 AML other m 2022-05-09T03:22:50.93
IV.SACS.HHN. ML:1.5 0.000029749999999999998 0.78 AML other m 2022-05-09T03:22:51.53
IV.PIEI.HHN. ML:1.7 0.0000492 0.64 AML other m 2022-05-09T03:22:53.68
IV.SSFR.HHE. ML:2.1 0.0000829 0.26 AML other m 2022-05-09T03:22:56.52
IV.SACS.HHE. ML:1.5 0.000032500000000000004 1.02 AML other m 2022-05-09T03:22:56.22
GU.GRAM.HHE. ML:2.2 0.00009655 0.28 AML other m 2022-05-09T03:22:58.65
GU.GRAM.HHN. ML:2.2 0.00009329999999999999 0.34 AML other m 2022-05-09T03:23:01.24
IV.SSFR.HHN. ML:2.1 0.00007950000000000001 0.98 AML other m 2022-05-09T03:23:03.31
IV.ZOVE.EHE. ML:2.0 0.000030600000000000005 0.78 AML other m 2022-05-09T03:23:18.31
IV.ROVR.HHN. ML:2.2 0.0000385 0.28 AML other m 2022-05-09T03:23:24.28
IV.CTI.HHN. ML:2.2 0.000027 0.98 AML other m 2022-05-09T03:23:27.42
IV.ROVR.HHE. ML:1.9 0.000021949999999999998 0.96 AML other m 2022-05-09T03:23:29.70
IV.CTI.HHE. ML:2.2 0.0000242 1.64 AML other m 2022-05-09T03:23:30.98
IV.ZOVE.EHN. ML:2.0 0.0000321 0.56 AML other m 2022-05-09T03:23:33.92
SI.KOSI.HHN. ML:2.2 0.000018100000000000003 0.92 AML other m 2022-05-09T03:23:55.48
SI.KOSI.HHE. ML:2.4 0.000022700000000000003 0.44 AML other m 2022-05-09T03:24:00.47
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