Earthquake with magnitude of ML 1.5 on date 23-07-2019 and time 00:29:31 (Italy) in region 1 km NE Montieri (GR)

A magnitude ML 1.5 earthquake occured in region: 1 km NE Montieri (GR), on

  • 22-07-2019 22:29:31 (UTC)
  • 23-07-2019 00:29:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.14, 11.02 at 10 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
Montieri GR 1 1204 1204
Chiusdino SI 6 1903 3107
Castelnuovo di Val di Cecina PI 12 2231 5338
Monticiano SI 13 1571 6909
Monterotondo Marittimo GR 13 1371 8280
Radicondoli SI 14 914 9194
Massa Marittima GR 14 8375 17569
Roccastrada GR 18 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Siena (53903 inhabitants)
43 Km N of Grosseto (82087 inhabitants)
70 Km S of Scandicci (50609 inhabitants)
73 Km S of Firenze (382808 inhabitants)
74 Km SE of Livorno (159219 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
82 Km SE of Pisa (89158 inhabitants)
83 Km S of Prato (191150 inhabitants)
89 Km S of Pistoia (90315 inhabitants)
89 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
Rev 1000 ML 1.5 2019-07-22
22:29:31
43.14 11.02 10 2019-11-13
14:31:00
Bollettino Sismico Italiano INGV 71927481
Rev 100 ML 1.6 2019-07-22
22:29:31
43.14 11.02 10 2019-07-22
22:36:20
Sala Sismica INGV-Roma 70804701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-22 22:29:31 ± 0.11
Latitude 43.14 ± 0.01
Longitude 11.02 ± 0.01
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71927481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 708
Semi-minor axis of confidence ellipse (meter) 506
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 710
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.71316
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 19
Type of magnitude ML
Reference to an origin 71927481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-30 06:13:24

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 70804701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-22 22:36:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.QLNO.HHZ. 2019-07-22T22:30:44.22 3.0 undecidable manual Sg 5.77 0
IV.PTRJ.HNZ. 2019-07-22T22:30:27.81 3.0 undecidable manual Pg 6.64 0
IV.DGI.HHZ. 2019-07-22T22:30:20.63 3.0 undecidable manual Pn 1.3 0
IV.VIVA.HHZ. 2019-07-22T22:30:06.00 3.0 undecidable manual Pn 2.03 0
IV.MAIM.HHZ. 2019-07-22T22:29:59.17 3.0 undecidable manual P 0
TV.SF01.EHZ. 2019-07-22T22:29:49.80 0.6 undecidable manual S 129 0.5126 50 0.17 46
IV.CRE.HHZ. 2019-07-22T22:29:48.35 3.0 undecidable manual P 0
IV.MAON.HHZ. 2019-07-22T22:29:46.52 0.3 undecidable manual P 173 0.7132 50 1.06 49
IV.ARCI.HHZ. 2019-07-22T22:29:46.50 0.3 undecidable manual S 130 0.438 50 -0.91 55
IV.OSSC.HHZ. 2019-07-22T22:29:46.60 0.6 undecidable manual S 23 0.4191 50 -0.25 46
IV.CSNT.HHZ. 2019-07-22T22:29:45.60 0.3 undecidable manual S 30 0.3885 50 -0.35 68
IV.CRMI.HNN. 2019-07-22T22:29:44.80 0.6 undecidable manual P 357 0.6583 50 0.26 44
IV.CASP.HHZ. 2019-07-22T22:29:44.70 0.1 undecidable manual S 198 0.3642 50 -0.52 88
TV.SF04.EHZ. 2019-07-22T22:29:43.20 0.1 undecidable manual P 123 0.5567 50 0.42 87
TV.SF01.EHZ. 2019-07-22T22:29:42.32 0.6 undecidable manual P 129 0.5126 50 0.28 45
IV.MAGO.CHZ. 2019-07-22T22:29:42.73 0.1 undecidable manual S 297 0.2968 50 -0.5 90
IV.ARCI.HHZ. 2019-07-22T22:29:40.90 0.3 undecidable manual P 130 0.438 50 0.14 71
IV.OSSC.HHZ. 2019-07-22T22:29:40.85 0.3 undecidable manual P 23 0.4191 50 0.41 67
IV.CSNT.HHZ. 2019-07-22T22:29:40.18 0.1 undecidable manual P 30 0.3885 50 0.26 93
IV.RIBO.EHZ.01 2019-07-22T22:29:39.30 0.3 undecidable manual S 174 0.1889 115 -0.41 70
IV.CASP.HHZ. 2019-07-22T22:29:39.72 0.3 undecidable manual P 198 0.3642 50 0.22 70
IV.MAGO.CHZ. 2019-07-22T22:29:38.54 0.1 undecidable manual P 297 0.2968 50 0.19 96
IV.RIBO.EHZ.01 2019-07-22T22:29:36.45 0.1 undecidable manual P 174 0.1889 115 0.14 99
IV.TRIF.CHZ. 2019-07-22T22:29:36.30 0.1 undecidable manual S 255 0.089 135 -0.2 100
IV.FROS.CHZ. 2019-07-22T22:29:36.97 0.1 undecidable manual S 54 0.1223 126 -0.52 92
IV.FROS.CHZ. 2019-07-22T22:29:35.18 0.1 undecidable manual P 54 0.1223 126 0.14 100
IV.TRIF.CHZ. 2019-07-22T22:29:34.82 0.1 undecidable manual P 255 0.089 135 0.36 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHN. ML:2.2 0.0018898465 0.1024 AML other m 2019-07-22T22:29:36.45
IV.FROS.CHN. ML:2.3 0.0019050215 0.1792 AML other m 2019-07-22T22:29:37.33
IV.TRIF.CHE. ML:2 0.0012261695 0.1792 AML other m 2019-07-22T22:29:37.49
IV.FROS.CHE. ML:0 0.00083074955 0.0896 AML other m 2019-07-22T22:29:37.88
IV.MAGO.CHN. ML:1.2 7.1655985E-5 0.128 AML other m 2019-07-22T22:29:43.39
IV.CASP.HHN. ML:1.9 0.00029638715 0.0896 AML other m 2019-07-22T22:29:44.86
IV.CASP.HHE. ML:0 0.0002498719 0.1664 AML other m 2019-07-22T22:29:45.16
IV.CSNT.HHN. ML:1.5 9.7488125E-5 0.1536 AML other m 2019-07-22T22:29:45.77
IV.CSNT.HHE. ML:1.4 7.966374E-5 0.1408 AML other m 2019-07-22T22:29:45.81
IV.OSSC.HHE. ML:1.2 4.2232165E-5 0.2048 AML other m 2019-07-22T22:29:47.39
IV.ARCI.HHN. ML:0 6.4772575E-5 0.1408 AML other m 2019-07-22T22:29:47.54
IV.ARCI.HHE. ML:0 4.0878125E-5 0.1024 AML other m 2019-07-22T22:29:48.03
IV.OSSC.HHN. ML:0.9 2.645177E-5 0.2048 AML other m 2019-07-22T22:29:48.35
TV.SF01.EHN. ML:1.6 8.611381E-5 0.1792 AML other m 2019-07-22T22:29:50.41
TV.SF01.EHE. ML:1.7 0.0001157501 0.3584 AML other m 2019-07-22T22:29:50.41
IV.MAON.HHE. ML:0 5.099094E-5 0.2048 AML other m 2019-07-22T22:29:56.70
IV.RIBO.EHE.01 ML:1.7 0.0003271797 0.1024 AML other m 2019-07-22T22:29:39.74
IV.MAGO.CHE. ML:1.1 5.400855E-5 0.064 AML other m 2019-07-22T22:29:42.99
IV.CRE.HHN. ML:1 9.291673E-6 0.3584 AML other m 2019-07-22T22:30:04.70
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