Earthquake with magnitude of ML 1.3 on date 29-06-2019 and time 23:09:27 (Italy) in region 2 km E Colle di Val d'Elsa (SI)

A magnitude ML 1.3 earthquake occured in region: 2 km E Colle di Val d'Elsa (SI), on

  • 29-06-2019 21:09:27 (UTC)
  • 29-06-2019 23:09:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4190, 11.1440 at 7 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
Colle di Val d'Elsa SI 2 21620 21620
Poggibonsi SI 6 29196 50816
Monteriggioni SI 7 9810 60626
San Gimignano SI 10 7820 68446
Casole d'Elsa SI 12 3897 72343
Castellina in Chianti SI 13 2859 75202
Barberino Val d'Elsa FI 14 4386 79588
Tavarnelle Val di Pesa FI 16 7800 87388
Certaldo FI 17 16121 103509
Sovicille SI 17 10116 113625
Siena SI 19 53903 167528
Radicondoli SI 19 914 168442

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Siena (53903 inhabitants)
38 Km S of Scandicci (50609 inhabitants)
40 Km S of Firenze (382808 inhabitants)
52 Km S of Prato (191150 inhabitants)
60 Km W of Arezzo (99543 inhabitants)
60 Km SE of Pistoia (90315 inhabitants)
68 Km E of Pisa (89158 inhabitants)
69 Km E of Livorno (159219 inhabitants)
70 Km SE of Lucca (89046 inhabitants)
73 Km N of Grosseto (82087 inhabitants)
88 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
Reviewed
Rev100
ML 1.3 2019-06-29
21:09:27
43.4188 11.1437 7 2019-06-29
21:15:13
Sala Sismica INGV-Roma 70050001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-29 21:09:27 ± 0.16
Latitude 43.4188 ± 0.0072
Longitude 11.1437 ± 0.0223
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70050001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1854
Semi-minor axis of confidence ellipse (meter) 542
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 1850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.66010
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 70050001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-29 21:15:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CASP.HHZ. 2019-06-29T21:09:50.04 0.6 undecidable manual S 198 73.2711 50 -0.41 42
IV.CASP.HHZ. 2019-06-29T21:09:41.19 0.6 positive manual P 198 73.2711 50 0.44 41
IV.RIBO.EHZ.01 2019-06-29T21:09:37.82 1.0 negative manual P 189 52.7028 50 0.23 22
IV.FROS.CHZ. 2019-06-29T21:09:35.90 0.6 undecidable manual S 177 23.2545 106 0.01 50
IV.FROS.CHZ. 2019-06-29T21:09:32.29 0.1 positive manual P 177 23.2545 106 -0.05 98
IV.CSNT.HHZ. 2019-06-29T21:09:32.65 0.3 undecidable manual S 63 13.2756 117 -0.01 76
IV.OSSC.HHZ. 2019-06-29T21:09:32.84 0.6 undecidable manual S 35 14.2746 115 -0.12 49
IV.CSNT.HHZ. 2019-06-29T21:09:30.54 0.1 undecidable manual P 63 13.2756 117 0.07 100
IV.OSSC.HHZ. 2019-06-29T21:09:30.61 0.1 undecidable manual P 35 14.2746 115 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHE. ML:1.6 0.00025550000000000003 0.24 AML other m 2019-06-29T21:09:36.00
IV.FROS.CHN. ML:1.4 0.0001585 0.48 AML other m 2019-06-29T21:09:36.01
IV.CASP.HHN. ML:1.2 0.00002465 0.74 AML other m 2019-06-29T21:09:50.13
IV.CASP.HHE. ML:1.1 0.000019299999999999998 0.34 AML other m 2019-06-29T21:09:50.69
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