Earthquake with magnitude of ML 1.4 on date 18-02-2019 and time 03:58:59 (UTC) in region 6 km E Greve in Chianti (FI)

A magnitude ML 1.4 earthquake occured in region: 6 km E Greve in Chianti (FI), on

  • 18-02-2019 03:58:59 (UTC)
  • 18-02-2019 04:58:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.61, 11.39 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
Greve in Chianti FI 7 13862 13862
Figline e Incisa Valdarno FI 8 23505 37367
San Giovanni Valdarno AR 12 17018 54385
Cavriglia AR 13 9614 63999
Castelfranco Piandiscò AR 13 9632 73631
Rignano sull'Arno FI 14 8651 82282
Impruneta FI 14 14615 96897
Radda in Chianti SI 14 1613 98510
Reggello FI 14 16290 114800
Gaiole in Chianti SI 16 2758 117558
Bagno a Ripoli FI 17 25611 143169
Terranuova Bracciolini AR 17 12346 155515
San Casciano in Val di Pesa FI 17 17062 172577
Montevarchi AR 17 24378 196955
Castellina in Chianti SI 18 2859 199814
Tavarnelle Val di Pesa FI 18 7800 207614
Pontassieve FI 19 20603 228217
Barberino Val d'Elsa FI 19 4386 232603
Loro Ciuffenna AR 20 5819 238422

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Firenze (382808 inhabitants)
23 Km SE of Scandicci (50609 inhabitants)
33 Km N of Siena (53903 inhabitants)
38 Km SE of Prato (191150 inhabitants)
43 Km W of Arezzo (99543 inhabitants)
52 Km SE of Pistoia (90315 inhabitants)
76 Km E of Lucca (89046 inhabitants)
80 Km E of Pisa (89158 inhabitants)
85 Km SW of Faenza (58541 inhabitants)
86 Km SW of Forlì (117913 inhabitants)
87 Km SW of Imola (69797 inhabitants)
87 Km E of Livorno (159219 inhabitants)
90 Km SW of Cesena (96758 inhabitants)
96 Km E of Viareggio (62467 inhabitants)
97 Km N of Grosseto (82087 inhabitants)
98 Km S of Bologna (386663 inhabitants)
98 Km NW of Perugia (166134 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 1.4 2019-02-18
03:58:59
43.61 11.39 9 2019-08-22
08:24:50
Bollettino Sismico Italiano INGV 65765361
Reviewed
Rev100
ML 1.4 2019-02-18
03:58:59
43.61 11.38 9 2019-02-18
04:08:01
Sala Sismica INGV-Roma 65651481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-18 03:58:59 ± 0.05
Latitude 43.61 ± 0.00
Longitude 11.39 ± 0.00
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 65765361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 254
Semi-minor axis of confidence ellipse (meter) 241
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 139
Circular confidence region, given by single value of horizontal uncertainty (meter) 250
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.1358
Epicentral distance of station farthest from the epicenter (degree) 0.63402
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 65765361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-21 15:38:12

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 65651481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-18 04:08:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PII.HHZ. 2019-02-18T03:59:20.10 0.6 undecidable manual S 280 0.634 50 -0.65 39
IV.LMD.HHZ. 2019-02-18T03:59:17.60 0.6 undecidable manual S 26 0.5189 50 0.26 44
IV.CAFI.HHE. 2019-02-18T03:59:16.80 0.6 undecidable manual S 124 0.5045 50 -0.11 46
IV.SEI.HHZ. 2019-02-18T03:59:15.20 0.3 undecidable manual S 357 0.4434 50 0.12 69
IV.SFI.EHZ. 2019-02-18T03:59:15.10 0.3 undecidable manual S 48 0.4416 50 0.06 70
IV.FROS.CHZ. 2019-02-18T03:59:14.50 0.3 undecidable manual S 203 0.4353 50 -0.37 66
IV.MPPT.EHZ. 2019-02-18T03:59:14.10 0.6 undecidable manual S 328 0.4074 50 0.07 47
IV.MOCL.EHZ. 2019-02-18T03:59:14.30 0.3 undecidable manual S 339 0.4209 50 -0.13 69
IV.CRE.HHZ. 2019-02-18T03:59:14.00 0.3 undecidable manual S 89 0.4074 50 -0.02 71
IV.ASQU.HHZ. 2019-02-18T03:59:12.00 0.3 undecidable manual S 57 0.3435 50 -0.13 71
IV.CRMI.HHZ. 2019-02-18T03:59:12.30 0.3 undecidable manual S 302 0.3489 50 0.02 72
IV.PII.HHZ. 2019-02-18T03:59:11.93 0.3 undecidable manual P 280 0.634 50 0.35 63
IV.CAFI.HHE. 2019-02-18T03:59:09.29 0.3 undecidable manual P 124 0.5045 50 -0.07 69
IV.LMD.HHZ. 2019-02-18T03:59:09.70 1.0 undecidable manual P 26 0.5189 50 0.1 23
IV.FROS.CHZ. 2019-02-18T03:59:08.22 0.1 undecidable manual P 203 0.4353 50 0.04 94
IV.SEI.HHZ. 2019-02-18T03:59:08.52 0.1 undecidable manual P 357 0.4434 50 0.22 90
IV.MOCL.EHZ. 2019-02-18T03:59:08.03 0.6 undecidable manual P 339 0.4209 50 0.1 46
IV.SFI.EHZ. 2019-02-18T03:59:08.32 0.6 undecidable manual P 48 0.4416 50 0.04 47
IV.RUFI.EHZ. 2019-02-18T03:59:08.40 0.3 undecidable manual S 21 0.2428 109 -0.49 67
IV.CRE.HHZ. 2019-02-18T03:59:07.83 0.3 undecidable manual P 89 0.4074 50 0.14 69
IT.FIE.HGE. 2019-02-18T03:59:07.20 0.3 undecidable manual S 341 0.2068 111 -0.41 68
IV.MPPT.EHZ. 2019-02-18T03:59:07.47 0.3 undecidable manual P 328 0.4074 50 -0.23 68
IV.ASQU.HHZ. 2019-02-18T03:59:06.56 0.1 undecidable manual P 57 0.3435 50 -0.04 96
IV.CRMI.HHZ. 2019-02-18T03:59:06.81 0.1 undecidable manual P 302 0.3489 50 0.12 94
IV.OSSC.HHZ. 2019-02-18T03:59:05.10 0.6 undecidable manual S 230 0.1358 121 -0.05 50
IV.CSNT.HHZ. 2019-02-18T03:59:05.80 0.3 undecidable manual S 207 0.1556 118 -0.01 75
IT.FIE.HGE. 2019-02-18T03:59:04.08 0.3 undecidable manual P 341 0.2068 111 0.09 73
IV.FIR.HNE. 2019-02-18T03:59:04.07 0.3 undecidable manual P 329 0.1898 113 0.44 68
IV.RUFI.EHZ. 2019-02-18T03:59:04.81 0.1 undecidable manual P 21 0.2428 109 0.08 97
IV.OSSC.HHZ. 2019-02-18T03:59:02.68 0.1 undecidable manual P 230 0.1358 121 0.11 98
IV.CSNT.HHZ. 2019-02-18T03:59:02.95 0.1 undecidable manual P 207 0.1556 118 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0 2.8979924E-5 0.1792 AML other m 2019-02-18T03:59:18.98
IV.PII.HHN. ML:0 3.2689305E-5 0.3392 AML other m 2019-02-18T03:59:21.30
IV.LMD.HHN. ML:0 2.996004E-5 0.1824 AML other m 2019-02-18T03:59:22.22
IV.PII.HHE. ML:0 3.237823E-5 1.68 AML other m 2019-02-18T03:59:25.05
IV.OSSC.HNE. ML:1.8 0.0005476223 0.1408 AML other m 2019-02-18T03:59:05.52
IV.OSSC.HNN. ML:1.7 0.0004885537 0.0896 AML other m 2019-02-18T03:59:05.62
IV.OSSC.HHE. ML:1.7 0.00049242625 0.08 AML other m 2019-02-18T03:59:05.62
IV.OSSC.HHN. ML:1.8 0.0005525236 0.1408 AML other m 2019-02-18T03:59:05.52
IV.CSNT.HHE. ML:1.6 0.0003160356 0.1216 AML other m 2019-02-18T03:59:06.27
IV.CSNT.HHN. ML:1.4 0.0002232182 0.16 AML other m 2019-02-18T03:59:07.15
IV.RUFI.EHE. ML:1.2 8.246224E-5 0.1792 AML other m 2019-02-18T03:59:08.73
IV.ASQU.HHE. ML:1.5 0.0001102191 0.3008 AML other m 2019-02-18T03:59:12.47
IV.ASQU.HHN. ML:1.4 9.207846E-5 0.2592 AML other m 2019-02-18T03:59:13.19
IV.CRMI.HHN. ML:0.6 1.54451755E-5 0.16 AML other m 2019-02-18T03:59:13.40
IV.CRMI.HHE. ML:0.4 1.10601715E-5 0.0992 AML other m 2019-02-18T03:59:14.21
IV.CRMI.HNN. ML:1 3.911909E-5 0.16 AML other m 2019-02-18T03:59:13.48
IV.MPPT.EHN. ML:1 3.037313E-5 0.1408 AML other m 2019-02-18T03:59:15.52
IV.MPPT.EHE. ML:1 2.971509E-5 0.1376 AML other m 2019-02-18T03:59:15.50
IV.CRE.HHN. ML:1.5 9.1476895E-5 0.3424 AML other m 2019-02-18T03:59:15.00
IV.CRE.HHE. ML:1.4 7.1990445E-5 0.3008 AML other m 2019-02-18T03:59:14.89
IV.MOCL.EHN. ML:1.7 0.000137122925 0.1408 AML other m 2019-02-18T03:59:15.67
IV.MOCL.EHE. ML:1.6 0.0001207896 0.1408 AML other m 2019-02-18T03:59:15.66
IV.SFI.EHE. ML:1.4 6.480089E-5 0.5408 AML other m 2019-02-18T03:59:15.49
IV.SFI.HNE. ML:1.7 0.0001395626 0.5696 AML other m 2019-02-18T03:59:15.63
IV.SFI.EHN. ML:1.2 4.1656405E-5 0.24 AML other m 2019-02-18T03:59:18.19
IV.SEI.HHE. ML:1.6 0.000111503 0.16 AML other m 2019-02-18T03:59:16.23
IV.SEI.HHN. ML:1.8 0.0001604509 0.1792 AML other m 2019-02-18T03:59:17.18
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download