Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 22-11-2019 and time 16:47:51 (Italy) in region 5 km S Castellina in Chianti (SI)

A magnitude ML 1.4 earthquake occured in region: 5 km S Castellina in Chianti (SI), on

  • 22-11-2019 15:47:51 (UTC)
  • 22-11-2019 16:47:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4280, 11.3040 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castellina in Chianti SI 5 2859 2859
Monteriggioni SI 8 9810 12669
Radda in Chianti SI 9 1613 14282
Gaiole in Chianti SI 12 2758 17040
Siena SI 12 53903 70943
Poggibonsi SI 13 29196 100139
Colle di Val d'Elsa SI 15 21620 121759
Barberino Val d'Elsa FI 17 4386 126145
Greve in Chianti FI 17 13862 140007
Sovicille SI 17 10116 150123
Tavarnelle Val di Pesa FI 18 7800 157923
Cavriglia AR 19 9614 167537
Castelnuovo Berardenga SI 19 9097 176634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of Siena (53903 inhabitants)
38 Km S of Scandicci (50609 inhabitants)
38 Km S of Firenze (382808 inhabitants)
47 Km W of Arezzo (99543 inhabitants)
53 Km SE of Prato (191150 inhabitants)
64 Km SE of Pistoia (90315 inhabitants)
76 Km N of Grosseto (82087 inhabitants)
79 Km SE of Lucca (89046 inhabitants)
79 Km E of Pisa (89158 inhabitants)
81 Km E of Livorno (159219 inhabitants)
95 Km W of Perugia (166134 inhabitants)
98 Km SE of Viareggio (62467 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 2019-11-22
15:47:51		 43.428 11.3038 9 2020-02-28
16:42:09		 Bollettino Sismico Italiano INGV 74064591
Reviewed
Rev100 		ML 1.5 2019-11-22
15:47:51		 43.4257 11.3102 9 2019-11-22
18:32:22		 Sala Sismica INGV-Roma 73968421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-22 15:47:51 ± 0.16
Latitude 43.4280 ± 0.0126
Longitude 11.3038 ± 0.0235
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74064591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2225
Semi-minor axis of confidence ellipse (meter) 752
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 2230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51441
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 74064591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-27 07:47:16

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 73968421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-22 18:32:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.BNI.HHZ. 2019-11-22T15:49:48.54 3.0 undecidable manual Sg 12.58 0
IV.GALF.HHZ. 2019-11-22T15:49:37.94 3.0 positive manual Pg 13.71 0
AC.VLO.HHZ. 2019-11-22T15:49:31.34 3.0 positive manual Pn -1.27 0
IV.MFNL.HHZ. 2019-11-22T15:49:17.91 3.0 positive manual Pn 0.17 0
IV.IVPL.HHZ. 2019-11-22T15:49:12.70 3.0 undecidable manual Pn -5.23 0
IV.PTRP.HHZ. 2019-11-22T15:49:06.57 3.0 undecidable manual Pn 4.53 0
IT.ACQ.HGZ. 2019-11-22T15:49:03.48 3.0 undecidable manual Sg -0.9 0
GU.RSP.HHZ. 2019-11-22T15:48:52.78 3.0 undecidable manual Pg 6.92 0
IV.MNTT.EHZ. 2019-11-22T15:48:48.72 3.0 undecidable manual Sn 1.3 0
GU.RRL.HHZ. 2019-11-22T15:48:48.42 3.0 undecidable manual Pn -0.13 0
OX.CIMO.HHZ. 2019-11-22T15:48:38.43 3.0 negative manual Pn -2.92 0
IV.LAV9.HNZ. 2019-11-22T15:48:25.76 3.0 positive manual Pn -0.92 0
IV.MC2.EHZ. 2019-11-22T15:48:21.93 3.0 undecidable manual Pg 2.34 0
IV.CRE.HHE. 2019-11-22T15:48:09.24 0.3 undecidable manual S 68 56.1993 50 0.03 70
IV.ASQU.HHE. 2019-11-22T15:48:09.05 0.3 undecidable manual S 43 56.499 50 -0.23 69
IV.RUFI.EHZ. 2019-11-22T15:48:07.04 0.1 undecidable manual S 20 48.4182 50 -0.08 92
IV.ATPI.EHZ. 2019-11-22T15:48:07.88 3.0 positive manual P -1.37 0
IV.MAGO.CHZ. 2019-11-22T15:48:06.85 3.0 undecidable manual P 0
IV.TRIF.CHZ. 2019-11-22T15:48:06.40 0.3 undecidable manual S 223 47.5191 50 -0.48 69
IV.CRE.HHE. 2019-11-22T15:48:02.00 0.3 undecidable manual P 68 56.1993 50 0.36 67
IV.ASQU.HHE. 2019-11-22T15:48:01.35 0.3 undecidable manual P 43 56.499 50 -0.33 67
IV.FROS.CHE. 2019-11-22T15:48:01.91 0.1 undecidable manual S 206 26.9508 109 0.72 87
IV.RUFI.EHZ. 2019-11-22T15:48:00.64 0.1 undecidable manual P 20 48.4182 50 0.21 89
IV.RIBO.EHZ.01 2019-11-22T15:48:00.97 0.3 undecidable manual P 201 57.0984 50 -0.8 56
IV.TRIF.CHZ. 2019-11-22T15:47:59.62 0.3 undecidable manual P 223 47.5191 50 -0.68 63
IV.FROS.CHE. 2019-11-22T15:47:57.83 0.1 undecidable manual P 206 26.9508 109 0.82 83
IV.OSSC.HHZ. 2019-11-22T15:47:56.56 0.1 undecidable manual S 336 11.5773 128 0.14 99
IV.CSNT.HHZ. 2019-11-22T15:47:54.37 0.1 undecidable manual S 348 5.0949 151 -0.56 82
IV.OSSC.HHZ. 2019-11-22T15:47:54.56 0.1 negative manual P 336 11.5773 128 0.3 97
IV.CSNT.HHZ. 2019-11-22T15:47:53.41 0.1 undecidable manual P 348 5.0949 151 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSNT.HHN. ML:1.6 0.0006520925 0.3584 AML other m 2019-11-22T15:47:54.43
IV.CSNT.HHE. ML:1.4 0.0005261053999999999 0.1024 AML other m 2019-11-22T15:47:54.45
IV.OSSC.HHE. ML:1.5 0.00035484365000000004 0.1664 AML other m 2019-11-22T15:47:56.63
IV.OSSC.HNE. ML:1.4 0.00027355664999999995 0.2688 AML other m 2019-11-22T15:47:57.18
IV.OSSC.HNN. ML:1.5 0.00035402365 0.1408 AML other m 2019-11-22T15:47:57.06
IV.OSSC.HHN. ML:1.3 0.00025943025 0.256 AML other m 2019-11-22T15:47:57.18
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