Earthquake with magnitude of ML 1.9 on date 09-06-2019 and time 07:44:56 (Italy) in region 6 km S Siena (SI)

A magnitude ML 1.9 earthquake occured in region: 6 km S Siena (SI), on

  • 09-06-2019 05:44:56 (UTC)
  • 09-06-2019 07:44:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.26, 11.32 at 4 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
Siena SI 6 53903 53903
Sovicille SI 8 10116 64019
Monteroni d'Arbia SI 9 9088 73107
Murlo SI 12 2389 75496
Monteriggioni SI 17 9810 85306
Castelnuovo Berardenga SI 17 9097 94403
Monticiano SI 18 1571 95974
Buonconvento SI 19 3173 99147
Asciano SI 19 7118 106265

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km S of Siena (53903 inhabitants)
51 Km W of Arezzo (99543 inhabitants)
56 Km S of Scandicci (50609 inhabitants)
57 Km S of Firenze (382808 inhabitants)
59 Km NE of Grosseto (82087 inhabitants)
71 Km S of Prato (191150 inhabitants)
81 Km SE of Pistoia (90315 inhabitants)
88 Km E of Livorno (159219 inhabitants)
88 Km W of Perugia (166134 inhabitants)
90 Km SE of Pisa (89158 inhabitants)
93 Km SE of Lucca (89046 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 1.9 2019-06-09
05:44:56
43.26 11.32 4 2019-11-13
14:31:08
Bollettino Sismico Italiano INGV 73783041
Reviewed
Rev100
ML 1.9 2019-06-09
05:44:56
43.28 11.3 9 2019-06-09
06:03:48
Sala Sismica INGV-Roma 69336691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-09 05:44:56 ± 0.17
Latitude 43.26 ± 0.01
Longitude 11.32 ± 0.02
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73783041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1185
Semi-minor axis of confidence ellipse (meter) 587
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.97486
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 73783041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-11 11:43:32

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 34
Type of magnitude ML
Reference to an origin 69336691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-09 06:03:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MELA.HHZ. 2019-06-09T05:46:26.53 3.0 undecidable manual Sn 0.78 0
IV.EUCT.HNZ. 2019-06-09T05:46:13.01 3.0 undecidable manual Sn 4.92 0
IV.PCN.EHZ. 2019-06-09T05:46:06.03 3.0 undecidable manual Sg 7.35 0
IV.PAOL.HNZ. 2019-06-09T05:45:46.82 3.0 undecidable manual Pn -0.63 0
IV.IFOR.HHZ. 2019-06-09T05:45:45.12 3.0 undecidable manual Pn -0.81 0
IV.LPEL.HHZ. 2019-06-09T05:45:35.53 3.0 undecidable manual Pn -0.19 0
GU.CARD.HHZ. 2019-06-09T05:45:14.70 0.3 undecidable manual P 322 0.9749 50 -0.3 63
IV.CAFI.HHZ. 2019-06-09T05:45:13.06 0.3 undecidable manual S 82 0.4712 50 -0.93 56
IV.LMD.HHZ. 2019-06-09T05:45:13.37 0.3 undecidable manual P 19 0.858 50 0.36 64
IV.MAON.HHZ. 2019-06-09T05:45:13.43 0.3 undecidable manual P 190 0.8481 50 0.6 60
IV.MOCL.EHZ. 2019-06-09T05:45:12.30 0.3 undecidable manual P 352 0.7473 50 1.19 47
IV.PII.HHZ. 2019-06-09T05:45:10.44 0.3 undecidable manual P 309 0.7383 50 -0.51 64
IV.RIBO.EHZ.01 2019-06-09T05:45:09.94 0.3 undecidable manual S 213 0.375 96 -0.58 67
IV.CRE.HHZ. 2019-06-09T05:45:09.07 0.3 undecidable manual P 52 0.5765 50 0.88 57
IV.TRIF.CHZ. 2019-06-09T05:45:08.13 0.6 undecidable manual S 244 0.3417 96 -1.12 35
IV.RUFI.EHZ. 2019-06-09T05:45:08.37 0.3 undecidable manual P 13 0.5891 50 -0.03 73
IV.CASP.HHZ. 2019-06-09T05:45:08.24 0.3 undecidable manual P 215 0.5801 50 -0.01 73
TV.SF03.EHE. 2019-06-09T05:45:07.30 0.3 undecidable manual P 150 0.5315 50 -0.12 72
TV.SF01.EHZ. 2019-06-09T05:45:06.71 0.3 undecidable manual P 159 0.4847 50 0.09 73
IV.CAFI.HHZ. 2019-06-09T05:45:06.38 0.3 undecidable manual P 82 0.4712 50 -0.01 75
IV.OSSC.HHZ. 2019-06-09T05:45:06.16 0.3 undecidable manual S 348 0.2653 98 -0.16 76
TV.SF04.EHZ. 2019-06-09T05:45:06.71 0.3 undecidable manual P 150 0.4937 50 -0.06 74
TV.SF11.HHE. 2019-06-09T05:45:06.32 0.3 undecidable manual P 147 0.473 50 -0.1 73
IV.RIBO.EHZ.01 2019-06-09T05:45:04.67 0.3 undecidable manual P 213 0.375 96 0.28 72
IV.TRIF.CHZ. 2019-06-09T05:45:03.44 0.3 undecidable manual P 244 0.3417 96 -0.21 74
IV.CSNT.HHE. 2019-06-09T05:45:03.97 0.6 undecidable manual S 353 0.2095 100 -0.25 50
IV.OSSC.HHZ. 2019-06-09T05:45:01.77 0.1 undecidable manual P 348 0.2653 98 -0.19 100
IV.FROS.CHZ. 2019-06-09T05:45:01.83 0.3 undecidable manual S 246 0.134 105 0.47 73
IV.CSNT.HHE. 2019-06-09T05:45:00.72 0.3 undecidable manual P 353 0.2095 100 -0.03 78
IV.FROS.CHZ. 2019-06-09T05:44:59.53 0.1 undecidable manual P 246 0.134 105 0.43 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHN. ML:2.7 0.0056 0.38 AML other m 2019-06-09T05:45:02.00
IV.FROS.CHE. ML:2.6 0.004825 0.4 AML other m 2019-06-09T05:45:02.01
IV.OSSC.HHE. ML:2 0.000514 1.08 AML other m 2019-06-09T05:45:06.60
IV.OSSC.HNE. ML:1.9 0.000407 0.52 AML other m 2019-06-09T05:45:06.38
IV.OSSC.HHN. ML:1.8 0.000354 0.54 AML other m 2019-06-09T05:45:06.37
IV.OSSC.HNN. ML:2 0.000544 1.08 AML other m 2019-06-09T05:45:07.60
IV.TRIF.CHE. ML:2.4 0.000862 0.82 AML other m 2019-06-09T05:45:08.67
IV.TRIF.CHN. ML:2.2 0.000615 0.64 AML other m 2019-06-09T05:45:09.33
IV.CAFI.HHE. ML:1.5 7.97E-5 0.72 AML other m 2019-06-09T05:45:14.51
IV.CAFI.HHN. ML:1.6 9.39E-5 1.08 AML other m 2019-06-09T05:45:14.80
TV.SF01.EHN. ML:2.7 0.0011115 0.4 AML other m 2019-06-09T05:45:15.80
TV.SF01.EHE. ML:2.6 0.0008575 0.36 AML other m 2019-06-09T05:45:15.79
IV.CASP.HHN. ML:1.9 0.0001515 0.86 AML other m 2019-06-09T05:45:20.50
IV.CASP.HHE. ML:1.8 0.000134 1.8 AML other m 2019-06-09T05:45:20.98
IV.CRE.HHE. ML:1.8 0.000113 1.02 AML other m 2019-06-09T05:45:20.30
IV.CRE.HHN. ML:1.8 0.000128 0.3 AML other m 2019-06-09T05:45:21.07
IV.PII.HHE. ML:1.9 0.00010205 0.3 AML other m 2019-06-09T05:45:22.52
IV.PII.HHN. ML:1.9 0.00010415 0.28 AML other m 2019-06-09T05:45:23.60
IV.MOCL.EHE. ML:1.9 0.00010395 1.7 AML other m 2019-06-09T05:45:24.99
IV.MOCL.EHN. ML:2 0.0001235 0.98 AML other m 2019-06-09T05:45:25.86
IV.MAON.HHE. ML:1.8 6.705E-5 1.06 AML other m 2019-06-09T05:45:26.85
IV.MAON.HHN. ML:2 9.885E-5 0.5 AML other m 2019-06-09T05:45:26.98
IV.APEC.HHN. ML:1.8 7.455E-5 0.66 AML other m 2019-06-09T05:45:28.15
IV.LMD.HHE. ML:1.6 4.375E-5 0.7 AML other m 2019-06-09T05:45:28.52
GU.POPM.HHE. ML:1.6 4.71E-5 0.8 AML other m 2019-06-09T05:45:28.88
GU.POPM.HHN. ML:1.8 6.25E-5 0.34 AML other m 2019-06-09T05:45:29.62
GU.CARD.HHE. ML:1.8 4.98E-5 0.28 AML other m 2019-06-09T05:45:32.02
GU.CARD.HHN. ML:1.8 5.095E-5 0.72 AML other m 2019-06-09T05:45:32.81
IV.LMD.HHN. ML:1.6 3.765E-5 0.42 AML other m 2019-06-09T05:45:32.59
IV.APEC.HHE. ML:1.7 6.21E-5 0.42 AML other m 2019-06-09T05:45:34.21
IV.PAOL.HNN. ML:4.1 0.0009015 1.12 AML other m 2019-06-09T05:46:11.35
IV.PAOL.HNE. ML:4 0.000761 1.12 AML other m 2019-06-09T05:46:11.35
IV.MELA.HHN. ML:3.4 0.0001855 0.2 AML other m 2019-06-09T05:46:27.90
IV.MELA.HHE. ML:3.5 0.000253 0.22 AML other m 2019-06-09T05:46:27.76
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