Earthquake with magnitude of ML 1.4 on date 06-04-2019 and time 08:45:10 (Italy) in region 7 km NW Chiusdino (SI)

A magnitude ML 1.4 earthquake occured in region: 7 km NW Chiusdino (SI), on

  • 06-04-2019 06:45:10 (UTC)
  • 06-04-2019 08:45:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2000, 11.0290 at 10 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
Chiusdino SI 7 1903 1903
Radicondoli SI 7 914 2817
Montieri GR 8 1204 4021
Castelnuovo di Val di Cecina PI 10 2231 6252
Monticiano SI 14 1571 7823
Monterotondo Marittimo GR 15 1371 9194
Casole d'Elsa SI 16 3897 13091
Pomarance PI 17 5897 18988
Sovicille SI 19 10116 29104

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Siena (53903 inhabitants)
49 Km N of Grosseto (82087 inhabitants)
63 Km S of Scandicci (50609 inhabitants)
66 Km S of Firenze (382808 inhabitants)
70 Km SE of Livorno (159219 inhabitants)
75 Km W of Arezzo (99543 inhabitants)
76 Km S of Prato (191150 inhabitants)
77 Km SE of Pisa (89158 inhabitants)
82 Km S of Pistoia (90315 inhabitants)
83 Km SE of Lucca (89046 inhabitants)
97 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 1.4 2019-04-06
06:45:10
43.2003 11.0288 10 2019-04-06
06:52:57
Sala Sismica INGV-Roma 67292641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-06 06:45:10 ± 0.17
Latitude 43.2003 ± 0.0126
Longitude 11.0288 ± 0.0160
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67292641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1638
Semi-minor axis of confidence ellipse (meter) 725
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) 1640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42628
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 67292641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-06 06:52:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2019-04-06T06:46:52.46 3.0 positive manual Pg 13.33 0
IV.MILZ.HHZ. 2019-04-06T06:46:41.01 3.0 undecidable manual Pg 14.53 0
IV.CRND.HNZ. 2019-04-06T06:46:39.49 3.0 undecidable manual Sg 13.01 0
IV.ECTS.EHZ. 2019-04-06T06:46:31.97 3.0 positive manual Pn 1.46 0
IV.VBKN.HHZ. 2019-04-06T06:46:31.19 3.0 undecidable manual Sn 0.64 0
IV.COLB.HHZ. 2019-04-06T06:46:26.54 3.0 undecidable manual Sn -0.47 0
TV.SU26.HHZ. 2019-04-06T06:46:23.82 3.0 positive manual Pg 13.08 0
IV.IACL.HHZ. 2019-04-06T06:46:22.95 3.0 undecidable manual Pn 4.2 0
IV.MGR.HHZ. 2019-04-06T06:46:17.57 3.0 positive manual Pg 8.9 0
IV.MIGL.HHZ. 2019-04-06T06:46:15.15 3.0 negative manual Pn 3.02 0
IV.LIK.EHZ.01 2019-04-06T06:46:13.48 3.0 undecidable manual Sg 5.82 0
IV.PZUN.HNZ. 2019-04-06T06:46:05.93 3.0 undecidable manual Pn -0.39 0
IV.VULT.HHZ. 2019-04-06T06:46:02.21 3.0 negative manual Pn -0.07 0
IV.VVLD.HHZ. 2019-04-06T06:46:00.84 3.0 undecidable manual Sn -2.28 0
IV.GATE.HHZ. 2019-04-06T06:45:57.68 3.0 positive manual Pg 5.63 0
IV.NDIM.HNZ. 2019-04-06T06:45:38.45 3.0 negative manual Pn 0.38 0
IV.ZCCA.HNZ. 2019-04-06T06:45:30.64 3.0 negative manual P -0.05 0
IV.CASP.HHZ. 2019-04-06T06:45:25.64 0.3 undecidable manual S 196 47.3193 50 -0.5 64
IV.PE3.EHZ. 2019-04-06T06:45:24.97 3.0 undecidable manual Pn -1.53 0
IV.CSNT.HHE. 2019-04-06T06:45:23.09 0.3 undecidable manual S 35 36.8298 50 -0.25 69
IV.MAGO.CHE. 2019-04-06T06:45:21.19 0.3 undecidable manual S 285 31.0467 50 -0.6 63
IV.CASP.HHZ. 2019-04-06T06:45:20.14 0.1 undecidable manual P 196 47.3193 50 0.5 85
IV.OSSC.HHZ. 2019-04-06T06:45:18.95 3.0 undecidable manual P 0.26 0
IV.CSNT.HHE. 2019-04-06T06:45:18.36 0.1 undecidable manual P 35 36.8298 50 0.33 90
IV.MAGO.CHE. 2019-04-06T06:45:17.45 0.1 undecidable manual P 285 31.0467 50 0.32 91
IV.TRIF.CHZ. 2019-04-06T06:45:16.35 0.6 undecidable manual S 227 13.9749 125 -0.34 47
IV.FROS.CHZ. 2019-04-06T06:45:15.08 0.6 undecidable manual S 84 10.3785 133 -0.64 43
IV.TRIF.CHZ. 2019-04-06T06:45:14.53 0.3 positive manual P 227 13.9749 125 0.35 70
IV.FROS.CHZ. 2019-04-06T06:45:13.67 0.1 undecidable manual P 84 10.3785 133 0.04 100
IV.RIBO.EHZ.01 2019-04-06T06:45:12.28 3.0 undecidable manual P 0.14 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHN. ML:1.6 0.0004615 0.26 AML other m 2019-04-06T06:45:15.45
IV.TRIF.CHE. ML:1.3 0.00019350000000000001 1 AML other m 2019-04-06T06:45:16.61
IV.TRIF.CHN. ML:1.4 0.0002655 0.22 AML other m 2019-04-06T06:45:16.99
IV.FROS.CHE. ML:1.3 0.00026900000000000003 0.76 AML other m 2019-04-06T06:45:17.48
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