Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 16-11-2019 and time 14:44:29 (Italy) in region 2 km NW Montieri (GR)

A magnitude ML 1.4 earthquake occured in region: 2 km NW Montieri (GR), on

  • 16-11-2019 13:44:29 (UTC)
  • 16-11-2019 14:44:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1460, 11.0030 at 11 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.

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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 2 1204 1204
Chiusdino SI 7 1903 3107
Castelnuovo di Val di Cecina PI 10 2231 5338
Monterotondo Marittimo GR 12 1371 6709
Radicondoli SI 13 914 7623
Massa Marittima GR 14 8375 15998
Monticiano SI 14 1571 17569
Roccastrada GR 20 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Siena (53903 inhabitants)
44 Km N of Grosseto (82087 inhabitants)
70 Km S of Scandicci (50609 inhabitants)
72 Km SE of Livorno (159219 inhabitants)
72 Km S of Firenze (382808 inhabitants)
80 Km W of Arezzo (99543 inhabitants)
80 Km SE of Pisa (89158 inhabitants)
82 Km S of Prato (191150 inhabitants)
88 Km SE of Lucca (89046 inhabitants)
88 Km S of Pistoia (90315 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 1.4 2019-11-16
13:44:29		 43.1462 11.0033 11 2020-02-28
16:42:13		 Bollettino Sismico Italiano INGV 74580561
Reviewed
Rev100 		ML 1.4 2019-11-16
13:44:29		 43.1463 10.9948 10 2019-11-16
13:55:36		 Sala Sismica INGV-Roma 73875691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-16 13:44:29 ± 0.14
Latitude 43.1462 ± 0.0072
Longitude 11.0033 ± 0.0099
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74580561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 834
Semi-minor axis of confidence ellipse (meter) 626
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.52790
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:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 74580561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-30 10:01:28

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 73875691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-16 13:55:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SF01.EHZ. 2019-11-16T13:44:47.70 0.6 undecidable manual S 129 58.5969 50 0.33 44
IV.ARCI.HHZ. 2019-11-16T13:44:44.40 0.3 undecidable manual S 130 50.3163 50 -0.75 58
IV.OSSC.HHZ. 2019-11-16T13:44:43.90 0.6 undecidable manual S 25 46.2204 50 -0.15 46
IV.CSNT.HHZ. 2019-11-16T13:44:43.00 0.6 undecidable manual S 32 43.0236 50 -0.2 46
IV.CASP.HHZ. 2019-11-16T13:44:42.19 0.3 undecidable manual S 196 41.0256 50 -0.46 66
TV.SF01.EHZ. 2019-11-16T13:44:40.00 0.1 undecidable manual P 129 58.5969 50 0.34 87
IV.MAGO.CHZ. 2019-11-16T13:44:39.50 0.3 undecidable manual S 297 31.2465 50 -0.57 64
IV.OSSC.HHZ. 2019-11-16T13:44:38.13 0.1 undecidable manual P 25 46.2204 50 0.38 88
IV.ARCI.HHZ. 2019-11-16T13:44:38.66 0.1 undecidable manual P 130 50.3163 50 0.28 89
IV.CSNT.HHZ. 2019-11-16T13:44:37.62 0.3 undecidable manual P 32 43.0236 50 0.36 67
IV.CASP.HHZ. 2019-11-16T13:44:37.14 0.3 undecidable manual P 196 41.0256 50 0.2 69
IV.MAGO.CHZ. 2019-11-16T13:44:35.66 0.3 undecidable manual P 297 31.2465 50 0.21 70
IV.FROS.CHZ. 2019-11-16T13:44:34.60 0.3 undecidable manual S 60 14.2746 127 -0.69 63
IV.TRIF.CHZ. 2019-11-16T13:44:33.48 3.0 undecidable manual S 247 8.88 140 -0.44 0
IV.FROS.CHZ. 2019-11-16T13:44:32.74 0.1 undecidable manual P 60 14.2746 127 0.05 100
IV.TRIF.CHZ. 2019-11-16T13:44:32.00 0.1 undecidable manual P 247 8.88 140 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHN. ML:2.3 0.002634337 0.1152 AML other m 2019-11-16T13:44:33.58
IV.TRIF.CHE. ML:2.2 0.0022201325000000003 0.1216 AML other m 2019-11-16T13:44:34.30
IV.FROS.CHN. ML:2.0 0.0010098310500000001 1.8336 AML other m 2019-11-16T13:44:34.05
IV.FROS.CHE. ML:1.8 0.0006317909499999999 0.16 AML other m 2019-11-16T13:44:35.02
IV.MAGO.CHN. ML:1.2 0.00007889777500000001 0.1472 AML other m 2019-11-16T13:44:39.58
IV.MAGO.CHE. ML:1.1 0.000053080292500000004 0.1472 AML other m 2019-11-16T13:44:41.60
IV.CASP.HHN. ML:1.6 0.0001483233 0.16 AML other m 2019-11-16T13:44:42.47
IV.CASP.HHE. ML:1.6 0.000122016395 0.096 AML other m 2019-11-16T13:44:42.63
IV.CSNT.HHN. ML:1.2 0.000046019565 0.1408 AML other m 2019-11-16T13:44:43.29
IV.CSNT.HHE. ML:1.2 0.000048242665 0.1216 AML other m 2019-11-16T13:44:43.34
IV.OSSC.HHN. ML:0.7 0.00001673251 0.224 AML other m 2019-11-16T13:44:44.20
IV.OSSC.HHE. ML:0.8 0.000019440403699999997 0.1856 AML other m 2019-11-16T13:44:44.38
IV.ARCI.HHN. ML:1.1 0.000029893285000000003 0.1408 AML other m 2019-11-16T13:44:45.52
IV.ARCI.HNE. ML:1.7 0.000126596675 0.7168 AML other m 2019-11-16T13:44:45.80
TV.SF01.EHN. ML:1.3 0.000037818844999999994 0.16 AML other m 2019-11-16T13:44:48.33
TV.SF01.EHE. ML:1.3 0.00004096966 0.1792 AML other m 2019-11-16T13:44:48.51
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