Earthquake with magnitude of ML 2.3 on date 09-05-2022 and time 03:44:45 (UTC) in region 4 km E San Casciano in Val di Pesa (FI)

A magnitude ML 2.3 earthquake occured in region: 4 km E San Casciano in Val di Pesa (FI), on

  • 09-05-2022 03:44:45 (UTC)
  • 09-05-2022 05:44:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6560, 11.2320 at 10 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 4 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 13 13537 117485
Bagno a Ripoli FI 13 25611 143096
Firenze FI 13 382808 525904
Barberino Val d'Elsa FI 14 4386 530290
Lastra a Signa FI 16 20156 550446
Figline e Incisa Valdarno FI 18 23505 573951
Fiesole FI 18 13969 587920
Signa FI 18 19179 607099
Montelupo Fiorentino FI 19 14098 621197
Rignano sull'Arno FI 19 8651 629848
Certaldo FI 19 16121 645969
Campi Bisenzio FI 20 46166 692135
Sesto Fiorentino FI 20 48958 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)
38 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)
87 Km SW of Faenza (58541 inhabitants)
90 Km SW of Forlì (117913 inhabitants)
94 Km S of Bologna (386663 inhabitants)
97 Km SW of Cesena (96758 inhabitants)
97 Km E of Massa (69479 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 2.3 2022-05-09
03:44:45
43.6562 11.2323 10 2023-01-31
19:03:32
Bollettino Sismico Italiano INGV 108592431
Reviewed
Rev100
ML 2.3 2022-05-09
03:44:45
43.6527 11.2442 10 2022-05-09
03:54:30
Sala Sismica INGV-Roma 104375601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-09 03:44:45 ± 0.07
Latitude 43.6562 ± 0.0036
Longitude 11.2323 ± 0.0062
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108592431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62413
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 108592431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-16 01:12:17

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 104375601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-09 03:54:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2022-05-09T03:45:30.08 3.0 undecidable manual S 3.04 0
IV.ATVO.HHZ. 2022-05-09T03:45:18.16 3.0 undecidable manual S 0.81 0
IV.PIEI.HHZ. 2022-05-09T03:45:18.80 3.0 undecidable manual S -0.62 0
IV.FIAM.HHZ. 2022-05-09T03:45:17.63 3.0 negative manual Pn -0.36 0
IV.CAFI.HHZ. 2022-05-09T03:45:06.99 0.1 undecidable manual S 121 69.2751 50 0.3 87
GU.MAIM.HHZ. 2022-05-09T03:45:05.46 0.1 undecidable manual S 296 65.7897 50 -0.3 87
IV.LMD.HHZ. 2022-05-09T03:45:04.60 0.6 undecidable manual S 39 60.1953 50 0.33 44
IV.IMOL.HNZ. 2022-05-09T03:45:02.08 3.0 undecidable manual P 0.56 0
IV.SEI.HHZ. 2022-05-09T03:45:00.81 0.3 undecidable manual S 13 45.3213 50 0.52 64
IV.MOCL.EHZ. 2022-05-09T03:44:58.84 0.3 undecidable manual S 354 38.9277 50 0.26 69
GU.MAIM.HHZ. 2022-05-09T03:44:57.50 0.1 undecidable manual P 296 65.7897 50 0.34 86
IV.MPPT.EHZ. 2022-05-09T03:44:57.78 0.3 undecidable manual S 341 35.3424 50 0.16 71
IV.CAFI.HHZ. 2022-05-09T03:44:57.90 1.0 undecidable manual P 121 69.2751 50 0.2 22
IV.LMD.HHZ. 2022-05-09T03:44:56.69 0.6 undecidable manual P 39 60.1953 50 0.39 43
IV.BOSL.HHZ. 2022-05-09T03:44:56.38 0.1 undecidable manual S 20 32.5452 50 -0.5 89
IV.FNVD.HHZ. 2022-05-09T03:44:56.24 0.3 undecidable manual P 351 57.3981 50 0.37 65
IV.PII.HHZ. 2022-05-09T03:44:55.96 0.3 undecidable manual P 278 57.1983 50 0.13 69
GU.POPM.HHZ. 2022-05-09T03:44:55.86 0.3 undecidable manual P 319 57.498 50 -0.02 70
IV.RUFI.EHZ. 2022-05-09T03:44:55.59 0.3 undecidable manual S 48 30.0477 50 -0.62 64
IV.SEI.HHZ. 2022-05-09T03:44:54.06 0.6 undecidable manual P 13 45.3213 50 0.06 48
IV.CRMI.HHZ. 2022-05-09T03:44:54.84 0.6 undecidable manual S 307 25.4523 111 -0.02 50
IV.CSNT.HHZ. 2022-05-09T03:44:53.63 0.3 undecidable manual S 167 20.868 115 0.27 71
IV.MOCL.EHZ. 2022-05-09T03:44:53.08 0.1 undecidable manual P 354 38.9277 50 0.07 96
IV.MPPT.EHZ. 2022-05-09T03:44:52.19 0.1 undecidable manual P 341 35.3424 50 -0.27 93
IT.FIE.HGE. 2022-05-09T03:44:52.12 0.3 undecidable manual S 17 17.4714 119 -0.21 73
IV.RUFI.EHZ. 2022-05-09T03:44:51.35 0.1 positive manual P 48 30.0477 50 -0.29 93
IV.BOSL.HHZ. 2022-05-09T03:44:51.87 0.1 undecidable manual P 20 32.5452 50 -0.16 95
IV.FIR.HHZ. 2022-05-09T03:44:51.49 0.1 undecidable manual S 8 13.2756 126 0.4 94
IV.OSSC.HHZ. 2022-05-09T03:44:51.39 0.1 undecidable manual S 176 14.7741 123 -0.12 99
IV.CRMI.HHZ. 2022-05-09T03:44:50.72 0.1 undecidable manual P 307 25.4523 111 -0.15 97
IT.FIE.HGE. 2022-05-09T03:44:49.46 0.3 undecidable manual P 17 17.4714 119 0.05 75
IV.CSNT.HHZ. 2022-05-09T03:44:49.80 0.6 undecidable manual P 167 20.868 115 -0.2 48
IV.OSSC.HHZ. 2022-05-09T03:44:48.77 0.1 negative manual P 176 14.7741 123 -0.16 98
IV.FIR.HHZ. 2022-05-09T03:44:48.60 0.1 undecidable manual P 8 13.2756 126 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIR.HHE. ML:2.7 0.0049005279999999995 0.2208 AML other m 2022-05-09T03:44:51.60
IV.FIR.HNE. ML:2.7 0.004998335 0.2176 AML other m 2022-05-09T03:44:51.60
IV.FIR.HHN. ML:2.8 0.006111641 0.3392 AML other m 2022-05-09T03:44:51.82
IV.FIR.HNN. ML:2.8 0.006038517 0.3488 AML other m 2022-05-09T03:44:51.82
IV.OSSC.HHE. ML:2.5 0.003127696 0.2592 AML other m 2022-05-09T03:44:52.02
IV.OSSC.HHN. ML:2.3 0.0021299545 0.32 AML other m 2022-05-09T03:44:52.02
IV.CSNT.HHE. ML:2.0 0.0008214225 0.2208 AML other m 2022-05-09T03:44:53.78
IV.CSNT.HHN. ML:2.2 0.0010509631999999999 0.2624 AML other m 2022-05-09T03:44:53.67
IV.CRMI.HNE. ML:2.2 0.0009315 0.46 AML other m 2022-05-09T03:44:55.69
IV.CRMI.HHE. ML:2.0 0.000629 0.46 AML other m 2022-05-09T03:44:55.69
IV.CRMI.HHN. ML:2.3 0.0012549999999999998 0.54 AML other m 2022-05-09T03:44:55.98
IV.CRMI.HNN. ML:2.3 0.00121 0.54 AML other m 2022-05-09T03:44:55.98
IV.RUFI.EHN. ML:2.5 0.0014399999999999999 0.32 AML other m 2022-05-09T03:44:56.42
IV.RUFI.EHE. ML:2.6 0.002 0.28 AML other m 2022-05-09T03:44:56.73
IV.BOSL.HHE. ML:2.3 0.0008227215 0.4224 AML other m 2022-05-09T03:44:57.13
IV.BOSL.HHN. ML:2.2 0.00064960825 0.24 AML other m 2022-05-09T03:44:57.35
IV.MPPT.EHN. ML:1.9 0.00030734660000000005 1.6416 AML other m 2022-05-09T03:44:57.14
IV.MPPT.EHE. ML:2.0 0.00038840465 0.24 AML other m 2022-05-09T03:44:58.31
IV.MOCL.EHN. ML:2.0 0.000380466 0.2592 AML other m 2022-05-09T03:44:59.05
IV.MOCL.EHE. ML:2.5 0.0010992121999999999 0.2016 AML other m 2022-05-09T03:44:59.52
IV.SEI.HHN. ML:2.5 0.00093315855 0.9792 AML other m 2022-05-09T03:45:00.98
IV.SEI.HHE. ML:2.3 0.00059408285 0.3392 AML other m 2022-05-09T03:45:01.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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