Earthquake with magnitude of ML 1.7 on date 03-05-2022 and time 20:21:12 (UTC) in region 4 km SW Impruneta (FI)

A magnitude ML 1.7 earthquake occured in region: 4 km SW Impruneta (FI), on

  • 03-05-2022 20:21:12 (UTC)
  • 03-05-2022 22:21:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6560, 11.2380 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
Impruneta FI 4 14615 14615
San Casciano in Val di Pesa FI 4 17062 31677
Greve in Chianti FI 10 13862 45539
Tavarnelle Val di Pesa FI 12 7800 53339
Scandicci FI 12 50609 103948
Bagno a Ripoli FI 13 25611 129559
Firenze FI 13 382808 512367
Montespertoli FI 13 13537 525904
Barberino Val d'Elsa FI 14 4386 530290
Lastra a Signa FI 17 20156 550446
Figline e Incisa Valdarno FI 17 23505 573951
Fiesole FI 17 13969 587920
Signa FI 18 19179 607099
Rignano sull'Arno FI 19 8651 615750
Montelupo Fiorentino FI 19 14098 629848
Certaldo FI 20 16121 645969
Sesto Fiorentino FI 20 48958 694927
Campi Bisenzio FI 20 46166 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)
28 Km SE of Prato (191150 inhabitants)
38 Km N of Siena (53903 inhabitants)
40 Km SE of Pistoia (90315 inhabitants)
56 Km W of Arezzo (99543 inhabitants)
63 Km E of Lucca (89046 inhabitants)
68 Km E of Pisa (89158 inhabitants)
76 Km E of Livorno (159219 inhabitants)
83 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)
98 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 1.7 2022-05-03
20:21:12
43.6562 11.2383 8 2023-01-31
19:03:24
Bollettino Sismico Italiano INGV 107668681
Reviewed
Rev100
ML 1.7 2022-05-03
20:21:12
43.6547 11.239 6 2022-05-03
20:34:03
Sala Sismica INGV-Roma 104142651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-03 20:21:12 ± 0.05
Latitude 43.6562 ± 0.0018
Longitude 11.2383 ± 0.0037
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 107668681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.11871
Epicentral distance of station farthest from the epicenter (degree) 0.82198
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 107668681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-25 08:01:12

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 104142651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-03 20:34:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HNN. 2022-05-03T20:21:33.83 0.6 undecidable manual S 122 68.8755 50 -0.24 43
GU.MAIM.HHZ. 2022-05-03T20:21:32.95 0.6 undecidable manual S 296 66.2781 50 -0.41 42
IV.MAGO.CHZ. 2022-05-03T20:21:32.65 0.6 undecidable manual S 228 63.1923 50 0.12 45
GU.POPM.HHZ. 2022-05-03T20:21:31.48 0.6 undecidable manual S 318 57.7977 50 0.36 43
IV.FNVD.HHZ. 2022-05-03T20:21:31.18 0.6 undecidable manual S 351 57.498 50 0.15 45
IV.LMD.HHZ. 2022-05-03T20:21:31.84 0.3 undecidable manual S 39 59.8956 50 0.17 67
IV.CRE.HHN. 2022-05-03T20:21:31.49 0.6 undecidable manual S 94 57.3981 50 0.49 42
IV.PII.HHZ. 2022-05-03T20:21:30.75 0.6 undecidable manual S 278 57.6978 50 -0.32 43
IV.FROS.CHN. 2022-05-03T20:21:28.43 0.6 undecidable manual S 188 49.9167 50 -0.58 41
IV.ARCI.HHN. 2022-05-03T20:21:28.67 0.3 undecidable manual P 168 91.242 50 0.25 62
IV.PARC.HHZ. 2022-05-03T20:21:27.14 0.3 undecidable manual P 90 80.2641 50 0.41 61
IV.SEI.HHZ. 2022-05-03T20:21:27.75 0.6 undecidable manual S 12 45.2214 50 0.01 48
IV.MOCL.EHZ. 2022-05-03T20:21:25.91 0.3 undecidable manual S 353 38.9277 50 -0.17 70
IV.CAFI.HNN. 2022-05-03T20:21:25.15 0.6 undecidable manual P 122 68.8755 50 0.17 44
IV.MAGO.CHZ. 2022-05-03T20:21:24.05 0.3 undecidable manual P 228 63.1923 50 -0.04 68
GU.MAIM.HHZ. 2022-05-03T20:21:24.92 0.3 undecidable manual P 296 66.2781 50 0.35 64
IV.MPPT.EHZ. 2022-05-03T20:21:24.97 0.3 undecidable manual S 341 35.4423 50 -0.18 70
IV.CRE.HHN. 2022-05-03T20:21:23.02 0.3 undecidable manual P 94 57.3981 50 -0.18 67
IV.PII.HHZ. 2022-05-03T20:21:23.28 0.3 undecidable manual P 278 57.6978 50 0.03 69
GU.POPM.HHZ. 2022-05-03T20:21:23.56 0.6 undecidable manual P 318 57.7977 50 0.29 44
IV.BOSL.HHZ. 2022-05-03T20:21:23.75 0.3 undecidable manual S 20 32.3454 104 -0.38 67
IV.FNVD.HHZ. 2022-05-03T20:21:23.44 0.3 undecidable manual P 351 57.498 50 0.22 67
IV.LMD.HHZ. 2022-05-03T20:21:23.65 0.1 undecidable manual P 39 59.8956 50 0.05 92
IV.CRMI.HHZ. 2022-05-03T20:21:22.05 0.6 undecidable manual S 307 25.8519 107 0.09 48
IV.RUFI.EHZ. 2022-05-03T20:21:22.80 0.3 undecidable manual S 47 29.6481 105 -0.42 67
IV.FROS.CHN. 2022-05-03T20:21:22.32 0.3 undecidable manual P 188 49.9167 50 0.26 67
IV.SEI.HHZ. 2022-05-03T20:21:21.39 0.1 undecidable manual P 12 45.2214 50 0.07 94
IV.MOCL.EHZ. 2022-05-03T20:21:20.03 0.1 positive manual P 353 38.9277 50 -0.33 90
IV.CSNT.HHZ. 2022-05-03T20:21:20.19 0.6 undecidable manual S 168 20.7681 111 -0.09 49
IV.MPPT.EHZ. 2022-05-03T20:21:19.48 0.1 undecidable manual P 341 35.4423 50 -0.35 90
IT.FIE.HGZ. 2022-05-03T20:21:19.51 0.6 undecidable manual S 15 17.3715 115 0.31 47
IV.BOSL.HHZ. 2022-05-03T20:21:19.12 0.1 undecidable manual P 20 32.3454 104 -0.12 95
IV.FIR.HHZ. 2022-05-03T20:21:18.05 0.6 undecidable manual S 6 13.1757 121 0.13 49
IV.OSSC.HHZ. 2022-05-03T20:21:18.48 0.6 undecidable manual S 178 14.6742 119 0.1 49
IV.CRMI.HHZ. 2022-05-03T20:21:18.04 0.1 undecidable manual P 307 25.8519 107 0.05 97
IV.RUFI.EHZ. 2022-05-03T20:21:18.59 0.1 positive manual P 47 29.6481 105 -0.12 96
IT.FIE.HGZ. 2022-05-03T20:21:16.79 0.3 undecidable manual P 15 17.3715 115 0.4 69
IV.CSNT.HHZ. 2022-05-03T20:21:16.74 0.1 negative manual P 168 20.7681 111 -0.27 94
IV.FIR.HHZ. 2022-05-03T20:21:15.89 0.3 undecidable manual P 6 13.1757 121 0.24 72
IV.OSSC.HHZ. 2022-05-03T20:21:15.90 0.1 undecidable manual P 178 14.6742 119 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIR.HHE. ML:2.1 0.0013821284999999998 0.1152 AML other m 2022-05-03T20:21:18.60
IV.OSSC.HHN. ML:1.8 0.00064731765 0.2688 AML other m 2022-05-03T20:21:18.77
IV.OSSC.HHE. ML:2.0 0.0011267395 0.1792 AML other m 2022-05-03T20:21:18.56
IV.FIR.HNE. ML:2.1 0.0013706125 0.2048 AML other m 2022-05-03T20:21:18.61
IV.FIR.HNN. ML:2.0 0.00107817885 0.2432 AML other m 2022-05-03T20:21:18.99
IV.FIR.HHN. ML:2.0 0.0010949342500000002 0.256 AML other m 2022-05-03T20:21:18.00
IV.CSNT.HHN. ML:1.8 0.00041799999999999997 0.16 AML other m 2022-05-03T20:21:20.68
IV.CSNT.HHE. ML:1.8 0.000415 1.7 AML other m 2022-05-03T20:21:21.01
IV.CRMI.HHN. ML:1.6 0.00021444499999999998 0.2816 AML other m 2022-05-03T20:21:22.68
IV.CRMI.HNN. ML:1.5 0.00019378745 0.2816 AML other m 2022-05-03T20:21:22.82
IV.RUFI.EHE. ML:1.6 0.00021728520000000002 0.2688 AML other m 2022-05-03T20:21:23.48
IV.BOSL.HHN. ML:1.4 0.000113936275 1.8592 AML other m 2022-05-03T20:21:23.05
IV.BOSL.HHE. ML:1.7 0.0002065428 0.1536 AML other m 2022-05-03T20:21:24.05
IV.RUFI.EHN. ML:1.6 0.00020198595000000004 0.2048 AML other m 2022-05-03T20:21:24.11
IV.MPPT.EHE. ML:1.4 0.00010905000000000001 0.6 AML other m 2022-05-03T20:21:25.47
IV.CRMI.HHE. ML:1.1 0.00007945920500000001 0.32 AML other m 2022-05-03T20:21:25.53
IV.CRMI.HNE. ML:1.4 0.00013431196 0.4992 AML other m 2022-05-03T20:21:25.68
IV.MPPT.EHN. ML:1.2 0.00005884776 0.1664 AML other m 2022-05-03T20:21:26.60
IV.MOCL.EHE. ML:2.1 0.0004955 0.46 AML other m 2022-05-03T20:21:26.68
IV.MOCL.EHN. ML:1.9 0.0002705 1.82 AML other m 2022-05-03T20:21:27.07
IV.SEI.HHN. ML:2.2 0.000494 0.24 AML other m 2022-05-03T20:21:29.30
IV.PII.HHE. ML:1.9 0.0001615 1.72 AML other m 2022-05-03T20:21:30.88
IV.SEI.HHE. ML:1.8 0.0001915 0.34 AML other m 2022-05-03T20:21:31.38
IV.LMD.HHE. ML:1.9 0.0001605 0.5 AML other m 2022-05-03T20:21:32.21
IV.PII.HHN. ML:1.8 0.0001495 0.34 AML other m 2022-05-03T20:21:32.70
IV.FNVD.HHE. ML:1.6 0.00008695 1.62 AML other m 2022-05-03T20:21:32.85
IV.LMD.HHN. ML:1.9 0.000163 1.32 AML other m 2022-05-03T20:21:32.87
GU.POPM.HHE. ML:1.5 0.0000697 1.26 AML other m 2022-05-03T20:21:34.81
GU.POPM.HHN. ML:1.6 0.00008405 0.66 AML other m 2022-05-03T20:21:34.20
IV.FNVD.HHN. ML:1.6 0.00008724999999999999 1.38 AML other m 2022-05-03T20:21:34.20
GU.MAIM.HHN. ML:1.2 0.0000295 0.2 AML other m 2022-05-03T20:21:35.29
GU.MAIM.HHE. ML:1.0 0.00001835 0.34 AML other m 2022-05-03T20:21:36.65
IV.PARC.HHN. ML:1.4 0.00003495 0.54 AML other m 2022-05-03T20:21:40.95
IV.PARC.HHE. ML:1.2 0.0000213 0.54 AML other m 2022-05-03T20:21:43.84
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