Earthquake with magnitude of ML 1.3 on date 03-08-2022 and time 17:05:00 (Italy) in region 1 km NW Certaldo (FI)

A magnitude ML 1.3 earthquake occured in region: 1 km NW Certaldo (FI), on

  • 03-08-2022 15:05:00 (UTC)
  • 03-08-2022 17:05:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5580, 11.0320 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Certaldo FI 1 16121 16121
Gambassi Terme FI 7 4870 20991
Castelfiorentino FI 7 17504 38495
Montaione FI 10 3700 42195
San Gimignano SI 10 7820 50015
Montespertoli FI 10 13537 63552
Barberino Val d'Elsa FI 11 4386 67938
Tavarnelle Val di Pesa FI 11 7800 75738
Poggibonsi SI 14 29196 104934
San Casciano in Val di Pesa FI 17 17062 121996
Colle di Val d'Elsa SI 17 21620 143616
Empoli FI 19 48109 191725
Montelupo Fiorentino FI 19 14098 205823
San Miniato PI 20 27934 233757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Scandicci (50609 inhabitants)
30 Km SW of Firenze (382808 inhabitants)
36 Km NW of Siena (53903 inhabitants)
36 Km S of Prato (191150 inhabitants)
43 Km S of Pistoia (90315 inhabitants)
53 Km SE of Lucca (89046 inhabitants)
54 Km E of Pisa (89158 inhabitants)
58 Km E of Livorno (159219 inhabitants)
69 Km W of Arezzo (99543 inhabitants)
72 Km E of Viareggio (62467 inhabitants)
89 Km N of Grosseto (82087 inhabitants)
89 Km SE of Massa (69479 inhabitants)
95 Km SE of Carrara (63133 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
Reviewed
Rev100
ML 1.3 2022-08-03
15:05:00
43.5583 11.0323 12 2022-08-03
15:11:43
Sala Sismica INGV-Roma 108069141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-03 15:05:00 ± 0.09
Latitude 43.5583 ± 0.0045
Longitude 11.0323 ± 0.0087
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108069141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 531
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 22
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) 0.61334
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 108069141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-03 15:11:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.EQUI.HHZ. 2022-08-03T15:05:28.71 3.0 undecidable manual S -3.36 0
GU.POPM.HHZ. 2022-08-03T15:05:18.61 0.6 undecidable manual S 338 58.2972 91 -0.26 45
IV.MOCL.EHZ. 2022-08-03T15:05:16.27 0.6 undecidable manual S 13 50.9157 91 -0.63 41
IV.CASP.HHZ. 2022-08-03T15:05:16.61 3.0 undecidable manual P -0.01 0
IV.CAFI.HHZ. 2022-08-03T15:05:15.42 3.0 positive manual P 0.2 0
IV.MPPT.EHZ. 2022-08-03T15:05:14.89 0.6 undecidable manual S 6 44.5221 91 -0.3 46
IV.MAGO.CHE. 2022-08-03T15:05:14.84 0.6 undecidable manual S 224 43.7229 91 -0.13 47
IV.FROS.CHZ. 2022-08-03T15:05:13.67 0.3 undecidable manual S 165 39.9267 91 -0.29 69
GU.CARD.HHE. 2022-08-03T15:05:12.71 0.3 undecidable manual P 320 68.0763 91 -0.04 69
GU.MAIM.HHZ. 2022-08-03T15:05:11.30 3.0 positive manual P -0.65 0
GU.POPM.HHZ. 2022-08-03T15:05:11.67 0.3 negative manual P 338 58.2972 91 0.42 65
IV.BOSL.HHZ. 2022-08-03T15:05:10.26 0.3 undecidable manual P 33 49.617 91 0.36 67
IV.MOCL.EHZ. 2022-08-03T15:05:10.64 0.3 undecidable manual P 13 50.9157 91 0.53 64
IV.CSNT.HHZ. 2022-08-03T15:05:09.19 0.6 undecidable manual S 114 22.755 94 -0.2 48
ZH.T1648.EHZ. 2022-08-03T15:05:09.67 0.3 undecidable manual S 59 23.3544 94 0.14 73
IV.MPPT.EHZ. 2022-08-03T15:05:09.26 0.1 undecidable manual P 6 44.5221 91 0.14 94
IV.CRMI.HHZ. 2022-08-03T15:05:09.86 0.3 undecidable manual S 351 26.6511 93 -0.56 66
IV.PII.HHZ. 2022-08-03T15:05:09.98 3.0 negative manual P 0.28 0
IV.MAGO.CHE. 2022-08-03T15:05:09.06 0.3 undecidable manual P 224 43.7229 91 0.06 72
IV.FROS.CHZ. 2022-08-03T15:05:08.69 0.1 undecidable manual P 165 39.9267 91 0.27 92
IV.OSSC.HHZ. 2022-08-03T15:05:07.52 0.3 undecidable manual S 103 17.5713 98 -0.49 69
ZH.T1646.EHZ. 2022-08-03T15:05:06.95 0.6 undecidable manual S 29 12.7761 113 0.19 49
IV.CRMI.HHZ. 2022-08-03T15:05:06.17 0.1 positive manual P 351 26.6511 93 -0.2 96
IV.OSSC.HHZ. 2022-08-03T15:05:05.06 0.3 undecidable manual P 103 17.5713 98 0.08 75
IV.CSNT.HHZ. 2022-08-03T15:05:05.79 0.3 undecidable manual P 114 22.755 94 0.01 75
ZH.T1648.EHZ. 2022-08-03T15:05:05.99 0.1 undecidable manual P 59 23.3544 94 0.13 98
ZH.T1646.EHZ. 2022-08-03T15:05:04.38 0.1 positive manual P 29 12.7761 113 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHN. ML:1.5 0.0002385 0.68 AML other m 2022-08-03T15:05:08.44
IV.OSSC.HHE. ML:1.5 0.0002375 0.4 AML other m 2022-08-03T15:05:08.38
ZH.T1646.EHN. ML:1.5 0.0003055 1.8 AML other m 2022-08-03T15:05:09.98
IV.CSNT.HHN. ML:1.1 0.0000752 0.5 AML other m 2022-08-03T15:05:09.67
IV.CRMI.HHN. ML:1.3 0.00011549999999999999 1.44 AML other m 2022-08-03T15:05:10.80
IV.PII.HHN. ML:1.4 0.00008235000000000001 1.1 AML other m 2022-08-03T15:05:10.63
ZH.T1648.EHN. ML:1.6 0.0002135 0.58 AML other m 2022-08-03T15:05:10.18
ZH.T1648.EHE. ML:1.4 0.00014330000000000001 0.24 AML other m 2022-08-03T15:05:10.37
IV.CRMI.HHE. ML:1.3 0.00010035 0.32 AML other m 2022-08-03T15:05:10.62
IV.PII.HHE. ML:1.5 0.0000973 1.12 AML other m 2022-08-03T15:05:10.38
IV.CSNT.HHE. ML:1.1 0.00008549999999999999 0.12 AML other m 2022-08-03T15:05:11.09
ZH.T1646.EHE. ML:1.5 0.00035250000000000006 1.74 AML other m 2022-08-03T15:05:13.99
IV.FROS.CHE. ML:1.9 0.00028900000000000003 1.76 AML other m 2022-08-03T15:05:14.91
IV.FROS.CHN. ML:1.9 0.00028100000000000005 0.58 AML other m 2022-08-03T15:05:14.91
IV.MPPT.EHE. ML:1.2 0.0000426 0.58 AML other m 2022-08-03T15:05:15.31
IV.MPPT.EHN. ML:1.1 0.00003784999999999999 1.84 AML other m 2022-08-03T15:05:15.95
IV.BOSL.HHN. ML:0.6 0.000007715 0.48 AML other m 2022-08-03T15:05:16.19
IV.BOSL.HHE. ML:0.6 0.000008885 0.66 AML other m 2022-08-03T15:05:17.36
GU.MAIM.HHE. ML:1.1 0.000025500000000000003 1.18 AML other m 2022-08-03T15:05:18.79
GU.MAIM.HHN. ML:1.3 0.00004035 1.46 AML other m 2022-08-03T15:05:18.12
GU.POPM.HHE. ML:1.4 0.00006235 0.26 AML other m 2022-08-03T15:05:19.57
GU.POPM.HHN. ML:1.4 0.00005505 0.76 AML other m 2022-08-03T15:05:20.35
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