Earthquake with magnitude of ML 1.8 on date 10-05-2022 and time 07:33:45 (Italy) in region 3 km S Impruneta (FI)

A magnitude ML 1.8 earthquake occured in region: 3 km S Impruneta (FI), on

  • 10-05-2022 05:33:45 (UTC)
  • 10-05-2022 07:33:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6570, 11.2470 at 9 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 3 14615 14615
San Casciano in Val di Pesa FI 5 17062 31677
Greve in Chianti FI 10 13862 45539
Bagno a Ripoli FI 12 25611 71150
Tavarnelle Val di Pesa FI 12 7800 78950
Scandicci FI 13 50609 129559
Firenze FI 13 382808 512367
Montespertoli FI 14 13537 525904
Barberino Val d'Elsa FI 14 4386 530290
Figline e Incisa Valdarno FI 16 23505 553795
Lastra a Signa FI 17 20156 573951
Fiesole FI 17 13969 587920
Rignano sull'Arno FI 18 8651 596571
Signa FI 18 19179 615750
Montelupo Fiorentino FI 20 14098 629848
Sesto Fiorentino FI 20 48958 678806

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 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)
41 Km SE of Pistoia (90315 inhabitants)
55 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)
86 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)
96 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 1.8 2022-05-10
05:33:45
43.6573 11.2472 9 2023-01-31
19:03:10
Bollettino Sismico Italiano INGV 104489781
Reviewed
Rev100
ML 1.8 2022-05-10
05:33:45
43.6563 11.2517 9 2022-05-10
05:42:01
Sala Sismica INGV-Roma 104431831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-10 05:33:45 ± 0.06
Latitude 43.6573 ± 0.0036
Longitude 11.2472 ± 0.0062
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104489781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 416
Semi-minor axis of confidence ellipse (meter) 385
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62053
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 104489781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-01 14:49:58

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 104431831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-10 05:42:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2022-05-10T05:34:37.98 3.0 undecidable manual Sg 1.33 0
GU.RORO.HHZ. 2022-05-10T05:34:24.18 3.0 undecidable manual Pn 1.76 0
IV.FRON.EHZ. 2022-05-10T05:34:19.25 3.0 undecidable manual S -4.03 0
IV.MMO1.EHZ. 2022-05-10T05:34:14.92 3.0 negative manual Pn 0.17 0
IV.BDI.HHZ. 2022-05-10T05:34:06.37 0.6 undecidable manual S 311 68.8755 50 -0.02 45
IV.LMD.HHZ. 2022-05-10T05:34:04.20 0.6 undecidable manual S 38 59.3961 50 0.34 43
IV.CRE.HHZ. 2022-05-10T05:34:03.80 0.3 undecidable manual S 94 56.6988 50 0.65 59
IV.SEI.HHZ. 2022-05-10T05:34:00.26 0.6 undecidable manual S 11 44.9217 50 0.26 45
IV.MOCL.EHZ. 2022-05-10T05:33:58.00 0.3 undecidable manual S 352 38.9277 50 -0.4 66
IV.MPPT.EHZ. 2022-05-10T05:33:57.08 0.3 undecidable manual S 339 35.6421 50 -0.43 66
IV.LMD.HHZ. 2022-05-10T05:33:56.12 0.3 undecidable manual P 38 59.3961 50 0.2 66
IV.VISG.HHZ. 2022-05-10T05:33:56.47 0.6 undecidable manual P 14 60.8946 50 0.32 43
IV.BDI.HHZ. 2022-05-10T05:33:56.56 0.3 undecidable manual P 311 68.8755 50 -0.82 54
IV.FNVD.HHZ. 2022-05-10T05:33:56.10 0.3 undecidable manual P 350 57.498 50 0.47 63
IV.BOSL.HHZ. 2022-05-10T05:33:56.30 0.3 undecidable manual S 18 32.0457 50 -0.26 69
IV.CRE.HHZ. 2022-05-10T05:33:55.60 0.3 undecidable manual P 94 56.6988 50 0.09 68
IV.RUFI.EHZ. 2022-05-10T05:33:55.09 0.3 undecidable manual S 46 29.0487 107 -0.53 65
IV.PII.HHZ. 2022-05-10T05:33:55.90 0.6 undecidable manual P 277 58.3971 50 0.14 45
IV.CRMI.HHZ. 2022-05-10T05:33:54.86 0.3 undecidable manual S 306 26.3514 109 0.12 71
IV.SEI.HHZ. 2022-05-10T05:33:53.80 0.1 undecidable manual P 11 44.9217 50 0.11 92
IV.CSNT.HHZ. 2022-05-10T05:33:52.53 0.3 undecidable manual S 170 20.7681 113 -0.37 68
IV.MPPT.EHZ. 2022-05-10T05:33:52.04 0.3 undecidable manual P 339 35.6421 50 -0.22 69
IV.MOCL.EHZ. 2022-05-10T05:33:52.91 0.3 undecidable manual P 352 38.9277 50 0.14 69
IV.RUFI.EHZ. 2022-05-10T05:33:51.08 0.3 undecidable manual P 46 29.0487 107 -0.08 72
IT.FIE.HGZ. 2022-05-10T05:33:51.92 0.6 undecidable manual S 13 17.0718 118 0.17 48
IV.BOSL.HHZ. 2022-05-10T05:33:51.63 0.1 positive manual P 18 32.0457 50 -0.07 95
IV.FIR.HNZ. 2022-05-10T05:33:50.65 0.6 undecidable manual S 3 12.9759 124 0.11 49
IV.OSSC.HHZ. 2022-05-10T05:33:50.99 0.3 undecidable manual S 180 14.874 121 -0.09 73
ZH.T1646.HNZ. 2022-05-10T05:33:50.84 0.6 undecidable manual S 271 11.1777 129 0.82 40
IV.CRMI.HHZ. 2022-05-10T05:33:50.29 0.3 undecidable manual P 306 26.3514 109 -0.36 68
ZH.T1647.HNZ. 2022-05-10T05:33:49.22 0.6 undecidable manual S 137 7.5813 139 0.08 50
IT.FIE.HGZ. 2022-05-10T05:33:49.15 0.3 undecidable manual P 13 17.0718 118 0.22 71
IV.CSNT.HHZ. 2022-05-10T05:33:49.40 0.1 positive manual P 170 20.7681 113 -0.19 95
IV.FIR.HNZ. 2022-05-10T05:33:48.36 0.3 undecidable manual P 3 12.9759 124 0.13 73
IV.OSSC.HHZ. 2022-05-10T05:33:48.57 0.1 positive manual P 180 14.874 121 0.03 99
ZH.T1646.HNZ. 2022-05-10T05:33:48.23 0.1 undecidable manual P 271 11.1777 129 0.3 94
ZH.T1648.HNZ. 2022-05-10T05:33:48.03 0.6 undecidable manual S 72 2.997 162 -0.3 48
ZH.T1647.HNZ. 2022-05-10T05:33:47.48 0.1 undecidable manual P 137 7.5813 139 0.06 100
ZH.T1648.HNZ. 2022-05-10T05:33:46.88 0.1 undecidable manual P 72 2.997 162 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:2.1 0.0012400000000000002 0.66 AML other m 2022-05-10T05:33:51.57
IV.OSSC.HHN. ML:1.8 0.0007035 0.68 AML other m 2022-05-10T05:33:51.62
IV.CRMI.HHE. ML:1.6 0.0002525 0.44 AML other m 2022-05-10T05:33:55.15
IV.CRMI.HNE. ML:1.8 0.00038094425 0.4416 AML other m 2022-05-10T05:33:55.16
IV.CRMI.HHN. ML:1.7 0.0002925 0.34 AML other m 2022-05-10T05:33:55.36
IV.RUFI.EHE. ML:1.7 0.00023449999999999998 0.28 AML other m 2022-05-10T05:33:55.42
IV.CSNT.HHE. ML:2.0 0.000656 0.48 AML other m 2022-05-10T05:33:55.09
IV.RUFI.EHN. ML:1.7 0.000249 1.1 AML other m 2022-05-10T05:33:55.97
IV.CSNT.HHN. ML:1.8 0.0004125 0.36 AML other m 2022-05-10T05:33:56.25
IV.BOSL.HHE. ML:1.7 0.000244 0.2 AML other m 2022-05-10T05:33:56.57
IV.BOSL.HHN. ML:1.6 0.000178 0.38 AML other m 2022-05-10T05:33:56.59
IV.MPPT.EHN. ML:2.0 0.00039449999999999994 0.62 AML other m 2022-05-10T05:33:57.62
IV.MPPT.EHE. ML:2.2 0.000682 0.48 AML other m 2022-05-10T05:33:57.91
IV.MOCL.EHN. ML:2.1 0.000532 0.28 AML other m 2022-05-10T05:33:58.82
IV.MOCL.EHE. ML:2.2 0.0006045 0.32 AML other m 2022-05-10T05:34:00.48
IV.SEI.HHN. ML:2.4 0.0007775000000000001 1.5 AML other m 2022-05-10T05:34:01.94
IV.FNVD.HHE. ML:1.8 0.0001235 1.38 AML other m 2022-05-10T05:34:03.89
IV.CRE.HHE. ML:1.7 0.00011499999999999999 0.46 AML other m 2022-05-10T05:34:04.36
IV.LMD.HHE. ML:1.7 0.00010445 0.3 AML other m 2022-05-10T05:34:04.74
IV.SEI.HHE. ML:2.1 0.00040149999999999995 0.4 AML other m 2022-05-10T05:34:05.21
IV.VISG.HHN. ML:1.4 0.0000533 0.42 AML other m 2022-05-10T05:34:05.39
IV.LMD.HHN. ML:1.7 0.0001135 0.96 AML other m 2022-05-10T05:34:05.24
IV.VISG.HHE. ML:1.5 0.00006925 0.22 AML other m 2022-05-10T05:34:05.85
IV.CRE.HHN. ML:1.7 0.0001151 0.96 AML other m 2022-05-10T05:34:06.99
IV.FNVD.HHN. ML:1.9 0.0001735 0.32 AML other m 2022-05-10T05:34:06.86
IV.PII.HHE. ML:1.8 0.0001197 0.44 AML other m 2022-05-10T05:34:07.21
IV.PII.HHN. ML:1.8 0.000135 0.94 AML other m 2022-05-10T05:34:07.28
IV.BDI.HHN. ML:1.8 0.0000935 1.26 AML other m 2022-05-10T05:34:08.88
IV.BDI.HHE. ML:1.7 0.000086609125 1.2 AML other m 2022-05-10T05:34:09.81
GU.EQUI.HHE. ML:1.6 0.00003655 0.48 AML other m 2022-05-10T05:34:18.38
GU.EQUI.HHN. ML:1.6 0.0000395 0.84 AML other m 2022-05-10T05:34:18.41
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