Earthquake with magnitude of ML 1.7 on date 29-06-2019 and time 08:56:36 (Italy) in region 1 km NW Colle di Val d'Elsa (SI)

A magnitude ML 1.7 earthquake occured in region: 1 km NW Colle di Val d'Elsa (SI), on

  • 29-06-2019 06:56:36 (UTC)
  • 29-06-2019 08:56:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4280, 11.1120 at 8 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
Colle di Val d'Elsa SI 1 21620 21620
Poggibonsi SI 5 29196 50816
San Gimignano SI 7 7820 58636
Monteriggioni SI 10 9810 68446
Casole d'Elsa SI 11 3897 72343
Barberino Val d'Elsa FI 14 4386 76729
Certaldo FI 15 16121 92850
Castellina in Chianti SI 15 2859 95709
Tavarnelle Val di Pesa FI 16 7800 103509
Gambassi Terme FI 18 4870 108379
Sovicille SI 19 10116 118495
Radicondoli SI 19 914 119409

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Siena (53903 inhabitants)
37 Km S of Scandicci (50609 inhabitants)
40 Km SW of Firenze (382808 inhabitants)
51 Km S of Prato (191150 inhabitants)
59 Km S of Pistoia (90315 inhabitants)
62 Km W of Arezzo (99543 inhabitants)
66 Km E of Pisa (89158 inhabitants)
66 Km E of Livorno (159219 inhabitants)
68 Km SE of Lucca (89046 inhabitants)
74 Km N of Grosseto (82087 inhabitants)
85 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 1.7 2019-06-29
06:56:36
43.4277 11.112 9 2019-11-13
14:31:01
Bollettino Sismico Italiano INGV 72282101
Reviewed
Rev100
ML 1.7 2019-06-29
06:56:36
43.4178 11.1468 10 2019-06-29
07:08:20
Sala Sismica INGV-Roma 70023381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-29 06:56:36 ± 0.1
Latitude 43.4277 ± 0.0045
Longitude 11.1120 ± 0.0149
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 72282101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1214
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 98
Circular confidence region, given by single value of horizontal uncertainty (meter) 1210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.13670
Epicentral distance of station farthest from the epicenter (degree) 0.60524
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 72282101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-10 10:04:57

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 70023381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-29 07:08:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTCR.EHZ. 2019-06-29T06:56:57.50 0.6 undecidable manual S 353 67.1772 50 0.34 43
IV.PII.HHZ. 2019-06-29T06:56:54.09 0.6 undecidable manual S 305 57.3981 50 -0.45 42
IV.RIBO.EHE.01 2019-06-29T06:56:53.47 0.6 undecidable manual S 186 53.4021 50 0 47
IV.MAGO.CHE. 2019-06-29T06:56:49.75 0.3 undecidable manual S 245 40.4262 50 -0.27 68
IV.TRIF.CHE. 2019-06-29T06:56:49.08 0.3 undecidable manual S 206 38.628 50 -0.45 66
IV.MTCR.EHZ. 2019-06-29T06:56:48.40 0.6 undecidable manual P 353 67.1772 50 0.1 45
IV.PII.HHZ. 2019-06-29T06:56:46.89 0.6 undecidable manual P 305 57.3981 50 0.1 46
IV.RIBO.EHE.01 2019-06-29T06:56:46.83 0.6 undecidable manual P 186 53.4021 50 0.66 40
IV.FROS.CHZ. 2019-06-29T06:56:45.05 0.3 undecidable manual S 172 24.4533 109 -0.13 72
IV.MAGO.CHE. 2019-06-29T06:56:44.44 0.3 undecidable manual P 245 40.4262 50 0.26 68
IV.TRIF.CHE. 2019-06-29T06:56:43.95 0.3 undecidable manual P 206 38.628 50 0.05 72
IV.OSSC.HHZ. 2019-06-29T06:56:42.06 0.3 undecidable manual S 45 15.1737 119 -0.16 73
IV.CSNT.HHZ. 2019-06-29T06:56:41.87 0.3 undecidable manual S 71 15.1737 119 -0.38 70
IV.FROS.CHZ. 2019-06-29T06:56:41.67 0.1 positive manual P 172 24.4533 109 0.29 93
IV.CSNT.HHZ. 2019-06-29T06:56:39.72 0.1 undecidable manual P 71 15.1737 119 0.03 100
IV.OSSC.HHZ. 2019-06-29T06:56:39.80 0.1 positive manual P 45 15.1737 119 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSNT.HHN. ML:2.0 0.00107920835 0.16 AML other m 2019-06-29T06:56:41.98
IV.CSNT.HHE. ML:1.7 0.0005588462999999999 0.08 AML other m 2019-06-29T06:56:42.00
IV.OSSC.HHE. ML:1.7 0.00049627975 0.2208 AML other m 2019-06-29T06:56:42.17
IV.OSSC.HNE. ML:1.7 0.0005289032 0.32 AML other m 2019-06-29T06:56:42.19
IV.OSSC.HNN. ML:1.7 0.00047617274999999995 0.2016 AML other m 2019-06-29T06:56:42.17
IV.OSSC.HHN. ML:1.7 0.0005269511 0.32 AML other m 2019-06-29T06:56:42.35
IV.FROS.CHE. ML:2.0 0.0006699134 0.224 AML other m 2019-06-29T06:56:45.37
IV.FROS.CHN. ML:1.8 0.00042735239999999996 0.2336 AML other m 2019-06-29T06:56:46.01
IV.PII.HHE. ML:1.4 0.00005979345 0.2976 AML other m 2019-06-29T06:56:57.10
IV.PII.HHN. ML:1.4 0.000061851435 0.3392 AML other m 2019-06-29T06:56:54.81
IV.MTCR.EHE. ML:1.3 0.00003262356 0.4 AML other m 2019-06-29T06:56:58.07
IV.MTCR.EHN. ML:1.3 0.000034270990000000004 0.48 AML other m 2019-06-29T06:56:59.11
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