Earthquake with magnitude of ML 2.1 on date 09-05-2022 and time 05:44:27 (Italy) in region 3 km E San Casciano in Val di Pesa (FI)

A magnitude ML 2.1 earthquake occured in region: 3 km E San Casciano in Val di Pesa (FI), on

  • 09-05-2022 03:44:27 (UTC)
  • 09-05-2022 05:44:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6570, 11.2250 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
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 11 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 13 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)
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)
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)
98 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 2.1 2022-05-09
03:44:27
43.6572 11.225 8 2023-01-31
19:03:32
Bollettino Sismico Italiano INGV 108591951
Reviewed
Rev100
ML 2.2 2022-05-09
03:44:27
43.6592 11.2323 8 2022-05-09
03:54:05
Sala Sismica INGV-Roma 104375571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-09 03:44:27 ± 0.06
Latitude 43.6572 ± 0.0027
Longitude 11.2250 ± 0.0050
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108591951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 315
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73295
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 108591951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-16 00:56:42

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 104375571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-09 03:54:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2022-05-09T03:46:11.35 3.0 undecidable manual Sn 4 0
ST.DOSS.HHZ. 2022-05-09T03:45:23.08 3.0 undecidable manual Sn -3.21 0
IV.CRTC.HHZ. 2022-05-09T03:45:10.85 3.0 undecidable manual S 3.63 0
ST.DOSS.HHZ. 2022-05-09T03:45:05.37 3.0 positive manual Pg 5.89 0
IV.FIAM.HHZ. 2022-05-09T03:45:04.46 3.0 undecidable manual Pg 4.5 0
IV.MF5.EHZ. 2022-05-09T03:45:02.32 3.0 negative manual Pg 5.31 0
IV.ATPI.EHZ. 2022-05-09T03:44:57.67 3.0 undecidable manual S -2.43 0
IV.CSP1.EHZ. 2022-05-09T03:44:57.86 3.0 negative manual Pg 3.78 0
IV.CASP.HHZ. 2022-05-09T03:44:57.28 3.0 undecidable manual S -2.1 0
IV.ARCI.HHZ. 2022-05-09T03:44:54.16 3.0 undecidable manual S -4.66 0
IV.PARC.HHZ. 2022-05-09T03:44:53.12 0.3 undecidable manual S 90 81.3519 50 0.73 56
IV.CAFI.HHN. 2022-05-09T03:44:48.86 0.6 undecidable manual S 121 69.8745 50 -0.47 42
IV.VISG.HHZ. 2022-05-09T03:44:47.17 0.1 undecidable manual S 16 61.2942 50 0.12 91
IV.MAGO.CHZ. 2022-05-09T03:44:47.56 0.6 undecidable manual S 227 62.3931 50 0.22 45
IV.LMD.HHZ. 2022-05-09T03:44:47.02 0.1 undecidable manual S 39 60.495 50 0.19 90
IV.CASP.HHZ. 2022-05-09T03:44:46.03 3.0 undecidable manual P 1.67 0
GU.POPM.HHZ. 2022-05-09T03:44:46.04 0.6 undecidable manual S 319 56.9985 50 0.14 46
IV.ATPI.EHZ. 2022-05-09T03:44:46.71 3.0 undecidable manual P 1.94 0
IV.PII.HHZ. 2022-05-09T03:44:45.10 0.6 undecidable manual S 278 56.5989 50 -0.69 40
IV.ARCI.HHZ. 2022-05-09T03:44:44.81 3.0 negative manual P 0.76 0
IV.FROS.CHN. 2022-05-09T03:44:43.50 0.6 undecidable manual S 186 49.9167 50 -0.51 43
IV.SEI.HHZ. 2022-05-09T03:44:42.73 0.6 undecidable manual S 14 45.3213 50 -0.05 48
IV.PARC.HHZ. 2022-05-09T03:44:41.99 0.3 undecidable manual P 90 81.3519 50 0.14 66
IV.SSP9.EHZ. 2022-05-09T03:44:40.45 1.0 undecidable manual P 97 73.371 50 -0.17 22
IV.MOCL.EHZ. 2022-05-09T03:44:40.83 0.6 undecidable manual S 355 38.7279 50 -0.19 47
IV.CAFI.HHN. 2022-05-09T03:44:40.30 0.1 undecidable manual P 121 69.8745 50 0.22 88
IV.VISG.HHZ. 2022-05-09T03:44:39.04 0.1 positive manual P 16 61.2942 50 0.28 89
IV.MPPT.EHZ. 2022-05-09T03:44:39.66 0.6 undecidable manual S 342 35.0427 102 -0.22 47
IV.MAGO.CHZ. 2022-05-09T03:44:39.01 0.1 undecidable manual P 227 62.3931 50 0.08 92
IV.PII.HHZ. 2022-05-09T03:44:38.06 0.1 undecidable manual P 278 56.5989 50 0.03 94
IV.LMD.HHZ. 2022-05-09T03:44:38.65 0.1 undecidable manual P 39 60.495 50 0.01 94
IV.CRE.HHZ. 2022-05-09T03:44:38.00 0.1 positive manual P 94 58.497 50 -0.32 88
IV.BOSL.HHZ. 2022-05-09T03:44:38.57 0.6 undecidable manual S 21 32.6451 103 -0.5 44
GU.POPM.HHZ. 2022-05-09T03:44:38.42 0.6 undecidable manual P 319 56.9985 50 0.32 44
IV.RUFI.EHZ. 2022-05-09T03:44:37.78 0.6 undecidable manual S 49 30.3474 104 -0.52 44
IV.CRMI.HHZ. 2022-05-09T03:44:37.00 0.6 undecidable manual S 308 24.9528 107 0.5 45
IV.SEI.HHZ. 2022-05-09T03:44:36.25 0.1 negative manual P 14 45.3213 50 -0.05 96
IV.FROS.CHN. 2022-05-09T03:44:36.93 0.1 undecidable manual P 186 49.9167 50 -0.08 94
IV.MPPT.EHZ. 2022-05-09T03:44:34.32 0.1 negative manual P 342 35.0427 102 -0.3 92
IV.MOCL.EHZ. 2022-05-09T03:44:34.92 0.1 undecidable manual P 355 38.7279 50 -0.36 91
IT.FIE.HGE. 2022-05-09T03:44:34.17 0.6 undecidable manual S 18 17.5713 113 0.09 50
IV.CSNT.HHZ. 2022-05-09T03:44:34.81 0.6 undecidable manual S 166 21.0678 110 -0.4 46
IV.BOSL.HHZ. 2022-05-09T03:44:34.15 0.1 negative manual P 21 32.6451 103 -0.01 99
IV.OSSC.HHZ. 2022-05-09T03:44:33.45 0.6 undecidable manual S 174 14.874 117 0.2 49
IV.RUFI.EHZ. 2022-05-09T03:44:33.65 0.1 positive manual P 49 30.3474 104 -0.06 98
IV.CRMI.HHZ. 2022-05-09T03:44:32.79 0.1 negative manual P 308 24.9528 107 0.12 98
IV.CSNT.HHZ. 2022-05-09T03:44:31.89 0.1 negative manual P 166 21.0678 110 -0.04 100
IV.OSSC.HHZ. 2022-05-09T03:44:31.05 0.1 positive manual P 174 14.874 117 0.26 97
IT.FIE.HGE. 2022-05-09T03:44:31.60 0.1 undecidable manual P 18 17.5713 113 0.33 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:2.4 0.00242 1 AML other m 2022-05-09T03:44:34.31
IV.OSSC.HHN. ML:2.2 0.001835 0.4 AML other m 2022-05-09T03:44:36.38
IV.CSNT.HHE. ML:2.2 0.00127 0.68 AML other m 2022-05-09T03:44:38.00
IV.RUFI.EHN. ML:2.2 0.0008195 0.52 AML other m 2022-05-09T03:44:38.78
IV.RUFI.EHE. ML:2.3 0.001045 0.24 AML other m 2022-05-09T03:44:38.58
IV.CSNT.HHN. ML:2.2 0.00123 1.44 AML other m 2022-05-09T03:44:38.21
IV.BOSL.HHE. ML:2.2 0.0006775 0.2 AML other m 2022-05-09T03:44:39.08
IV.BOSL.HHN. ML:2.0 0.000448 0.44 AML other m 2022-05-09T03:44:39.09
IV.MPPT.EHN. ML:1.8 0.00024349999999999998 0.56 AML other m 2022-05-09T03:44:40.39
IV.MPPT.EHE. ML:2.0 0.00045200000000000004 0.58 AML other m 2022-05-09T03:44:40.40
IV.MOCL.EHE. ML:2.2 0.00069 0.74 AML other m 2022-05-09T03:44:41.03
IV.MOCL.EHN. ML:2.3 0.000711 1.24 AML other m 2022-05-09T03:44:42.74
IV.SEI.HHN. ML:2.6 0.00133 1.36 AML other m 2022-05-09T03:44:46.71
GU.POPM.HHE. ML:2.0 0.00020750000000000003 0.22 AML other m 2022-05-09T03:44:47.26
IV.LMD.HHE. ML:2.4 0.000588 0.6 AML other m 2022-05-09T03:44:47.30
IV.VISG.HHE. ML:2.1 0.00023199999999999997 0.4 AML other m 2022-05-09T03:44:47.73
IV.SEI.HHE. ML:2.3 0.0005845000000000001 0.4 AML other m 2022-05-09T03:44:47.72
IV.VISG.HHN. ML:1.9 0.00017199999999999998 0.4 AML other m 2022-05-09T03:44:47.73
IV.LMD.HHN. ML:2.4 0.000507 1.32 AML other m 2022-05-09T03:44:47.97
GU.POPM.HHN. ML:2.1 0.000264 0.26 AML other m 2022-05-09T03:44:49.83
IV.PII.HHN. ML:2.3 0.000497 0.78 AML other m 2022-05-09T03:44:50.50
IV.PII.HHE. ML:2.3 0.0004935 0.32 AML other m 2022-05-09T03:44:50.76
IV.PARC.HHN. ML:1.8 0.000095477615 1.7184 AML other m 2022-05-09T03:44:54.03
IV.PARC.HHE. ML:1.6 0.000056810855 0.2592 AML other m 2022-05-09T03:44:54.04
IV.ARCI.HHN. ML:1.1 0.000017051205 0.16 AML other m 2022-05-09T03:44:54.49
IV.ARCI.HHE. ML:1.2 0.00002042969 0.24 AML other m 2022-05-09T03:44:54.75
IV.CASP.HHN. ML:1.5 0.000031281555000000006 0.2592 AML other m 2022-05-09T03:44:57.83
IV.CASP.HHE. ML:1.7 0.000048804854999999994 0.3008 AML other m 2022-05-09T03:44:57.86
IV.CRTC.HHE. ML:2.4 0.000163 0.84 AML other m 2022-05-09T03:45:34.82
IV.CRTC.HHN. ML:2.5 0.000179 1.64 AML other m 2022-05-09T03:45:36.14
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