Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 03-05-2019 and time 13:46:09 (Italy) in region 6 km SE Montieri (GR)

A magnitude ML 1.9 earthquake occured in region: 6 km SE Montieri (GR), on

  • 03-05-2019 11:46:09 (UTC)
  • 03-05-2019 13:46:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0860, 11.0600 at 12 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 6 1204 1204
Chiusdino SI 8 1903 3107
Monticiano SI 12 1571 4678
Roccastrada GR 12 9199 13877
Massa Marittima GR 14 8375 22252
Monterotondo Marittimo GR 18 1371 23623
Castelnuovo di Val di Cecina PI 18 2231 25854
Radicondoli SI 20 914 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Siena (53903 inhabitants)
36 Km N of Grosseto (82087 inhabitants)
76 Km S of Scandicci (50609 inhabitants)
78 Km S of Firenze (382808 inhabitants)
79 Km SW of Arezzo (99543 inhabitants)
80 Km SE of Livorno (159219 inhabitants)
88 Km SE of Pisa (89158 inhabitants)
89 Km S of Prato (191150 inhabitants)
95 Km S of Pistoia (90315 inhabitants)
96 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 2019-05-03
11:46:09		 43.0855 11.0603 12 2019-11-13
14:30:58		 Bollettino Sismico Italiano INGV 71530481
Reviewed
Rev100 		ML 2.2 2019-05-03
11:46:09		 43.1108 11.0398 10 2019-05-03
11:54:12		 Sala Sismica INGV-Roma 68216961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-03 11:46:09 ± 0.1
Latitude 43.0855 ± 0.0054
Longitude 11.0603 ± 0.0099
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71530481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 203
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.09627
Number of stations at which the event was observed 45
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 27
Type of magnitude ML
Reference to an origin 71530481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-27 10:16:41

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 68216961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-03 11:54:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHZ. 2019-05-03T11:47:48.32 3.0 undecidable manual Sg 15.85 0
IV.AGST.EHZ. 2019-05-03T11:47:40.98 3.0 positive manual Pg 10.32 0
IV.CIGN.HHZ. 2019-05-03T11:47:29.37 3.0 undecidable manual Sg 4.12 0
IV.TDS.HHZ. 2019-05-03T11:47:20.48 3.0 negative manual Pg 6.62 0
IV.NDIM.HHZ. 2019-05-03T11:47:12.22 3.0 undecidable manual Sn 1.68 0
IV.NOCI.HHZ. 2019-05-03T11:47:07.91 3.0 negative manual Pn -5 0
IV.LIK.EHZ.01 2019-05-03T11:47:04.06 3.0 undecidable manual Sg 0.3 0
IV.MAGA.HHZ. 2019-05-03T11:47:04.08 3.0 undecidable manual Pg 12.22 0
GU.GRAM.HHZ. 2019-05-03T11:46:57.83 3.0 undecidable manual Sn -5.77 0
IV.FOSV.EHZ. 2019-05-03T11:46:55.02 3.0 undecidable manual S 6.1 0
IV.MF5.EHZ. 2019-05-03T11:46:52.61 3.0 undecidable manual Sn -4.87 0
IV.ZONE.HHZ. 2019-05-03T11:46:48.80 3.0 undecidable manual Pn -3.59 0
IV.LAV9.HNZ. 2019-05-03T11:46:46.37 3.0 undecidable manual S -1.55 0
IV.NARO.HHZ. 2019-05-03T11:46:46.93 3.0 undecidable manual Sn -4.23 0
IV.MNTV.HNZ. 2019-05-03T11:46:45.99 3.0 negative manual Pg 2.8 0
IV.DGI.HHZ. 2019-05-03T11:46:44.97 3.0 undecidable manual Pg 5.71 0
IV.PTRJ.HHZ. 2019-05-03T11:46:41.05 3.0 undecidable manual Pn -4.5 0
IV.RUFI.EHZ. 2019-05-03T11:46:36.96 0.6 undecidable manual S 23 90.9423 91 0.3 43
IV.PII.HHZ. 2019-05-03T11:46:33.64 0.6 undecidable manual S 329 82.7505 91 -0.82 36
IV.CELB.HHZ. 2019-05-03T11:46:33.25 0.1 undecidable manual S 242 78.5658 91 -0.11 90
IV.MAON.HHZ. 2019-05-03T11:46:33.01 0.6 undecidable manual S 175 73.1712 91 1.12 34
IV.FAGN.HHZ. 2019-05-03T11:46:32.27 3.0 negative manual Pg -0.5 0
IV.CPGN.EHZ. 2019-05-03T11:46:31.18 3.0 undecidable manual P 0
IV.LMD.HHZ. 2019-05-03T11:46:30.74 0.3 undecidable manual P 25 121.6893 91 0.65 56
IV.BDI.HNZ. 2019-05-03T11:46:29.49 0.3 undecidable manual P 341 114.6963 91 0.48 61
IV.APEC.HHZ. 2019-05-03T11:46:29.49 3.0 undecidable manual Pg 2.49 0
IV.SEI.HHZ. 2019-05-03T11:46:28.87 0.6 undecidable manual P 12 110.112 91 0.57 39
IV.SFI.HNN. 2019-05-03T11:46:28.76 0.3 undecidable manual P 35 110.7003 91 0.36 62
TV.SF03.EHN. 2019-05-03T11:46:27.53 0.3 undecidable manual S 121 59.6958 92 -0.77 60
TV.SF04.EHZ. 2019-05-03T11:46:27.20 0.6 undecidable manual S 119 55.9995 92 -0.14 49
IV.MOCL.EHZ. 2019-05-03T11:46:27.69 0.3 undecidable manual P 5 102.4197 91 0.57 60
GU.MAIM.HHZ. 2019-05-03T11:46:27.75 0.6 undecidable manual P 334 102.7194 91 0.59 40
IV.MTCR.EHZ. 2019-05-03T11:46:27.60 0.3 undecidable manual P 357 104.6175 91 0.14 66
IV.ASQU.HHE. 2019-05-03T11:46:26.91 0.6 undecidable manual P 36 98.3238 91 0.42 42
TV.SF13.HHN. 2019-05-03T11:46:26.03 0.3 undecidable manual S 123 54.2013 92 -0.81 60
TV.SF01.EHZ. 2019-05-03T11:46:26.64 0.6 undecidable manual S 126 50.9157 92 0.69 42
TV.SF14.HHN. 2019-05-03T11:46:26.74 0.3 undecidable manual S 129 58.0974 92 -1.13 51
IV.CESX.HHZ. 2019-05-03T11:46:25.02 3.0 positive manual P 2.48 0
IV.OSSC.HHZ. 2019-05-03T11:46:25.22 0.1 undecidable manual S 17 50.8158 92 -0.73 83
IV.RUFI.EHZ. 2019-05-03T11:46:25.67 0.3 undecidable manual P 23 90.9423 91 0.32 65
IV.CELB.HHZ. 2019-05-03T11:46:24.06 0.1 undecidable manual P 242 78.5658 91 0.61 86
IV.MAON.HHZ. 2019-05-03T11:46:23.19 0.6 undecidable manual P 175 73.1712 91 0.59 43
IV.CSNT.HHZ. 2019-05-03T11:46:23.73 0.3 undecidable manual S 23 46.8198 92 -1.15 52
IV.PII.HHZ. 2019-05-03T11:46:23.06 0.3 undecidable manual P 329 82.7505 91 -1.03 49
IV.CASP.HHZ. 2019-05-03T11:46:21.60 0.3 undecidable manual S 206 36.3414 93 -0.48 67
TV.SF13.HHN. 2019-05-03T11:46:20.07 0.1 undecidable manual P 123 54.2013 92 0.38 92
TV.SF14.HHN. 2019-05-03T11:46:20.20 0.3 undecidable manual P 129 58.0974 92 -0.08 73
TV.SF03.EHN. 2019-05-03T11:46:20.89 0.3 undecidable manual P 121 59.6958 92 0.36 69
IV.MAGO.CHZ. 2019-05-03T11:46:20.99 3.0 undecidable manual S -0.74 0
TV.SF04.EHZ. 2019-05-03T11:46:20.30 0.1 undecidable manual P 119 55.9995 92 0.33 93
TV.SF11.HHZ. 2019-05-03T11:46:20.22 0.3 undecidable manual P 115 55.6998 92 0.31 70
TV.SF01.EHZ. 2019-05-03T11:46:19.43 0.3 undecidable manual P 126 50.9157 92 0.25 72
IV.OSSC.HHZ. 2019-05-03T11:46:18.86 0.3 positive manual P 17 50.8158 92 -0.31 70
IV.CSNT.HHZ. 2019-05-03T11:46:18.18 0.1 positive manual P 23 46.8198 92 -0.37 93
IV.RIBO.EHZ. 2019-05-03T11:46:16.13 0.3 undecidable manual S 184 15.1737 109 -0.36 73
IV.MAGO.CHZ. 2019-05-03T11:46:16.70 3.0 undecidable manual P 0.18 0
IV.CASP.HHZ. 2019-05-03T11:46:16.83 0.1 undecidable manual P 206 36.3414 93 -0.11 99
IV.FROS.CHZ. 2019-05-03T11:46:15.09 3.0 undecidable manual S -0.34 0
IV.TRIF.CHZ. 2019-05-03T11:46:14.27 3.0 undecidable manual S -0.24 0
IV.FROS.CHZ. 2019-05-03T11:46:13.05 3.0 positive manual P 0.17 0
IV.RIBO.EHZ. 2019-05-03T11:46:13.47 0.1 undecidable manual P 184 15.1737 109 -0.24 100
IV.TRIF.CHZ. 2019-05-03T11:46:12.63 3.0 positive manual P 0.28 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHN. ML:3.0 0.0102754 0.0832 AML other m 2019-05-03T11:46:14.43
IV.TRIF.CHE. ML:2.8 0.006834549499999999 0.0704 AML other m 2019-05-03T11:46:14.45
IV.FROS.CHE. ML:2.7 0.004132456 0.1984 AML other m 2019-05-03T11:46:15.44
IV.FROS.CHN. ML:2.8 0.0061841015 0.224 AML other m 2019-05-03T11:46:16.03
IV.RIBO.EHE.01 ML:2.2 0.0015729609999999999 0.16 AML other m 2019-05-03T11:46:18.60
IV.MAGO.CHN. ML:1.7 0.0001909226 0.0832 AML other m 2019-05-03T11:46:21.53
IV.MAGO.CHE. ML:1.8 0.0002062765 0.1024 AML other m 2019-05-03T11:46:21.65
IV.CASP.HHN. ML:2.3 0.00072119765 0.096 AML other m 2019-05-03T11:46:22.01
IV.CASP.HHE. ML:2.1 0.00044318495 0.0832 AML other m 2019-05-03T11:46:22.14
IV.CSNT.HHE. ML:1.7 0.0001317476 0.32 AML other m 2019-05-03T11:46:24.14
IV.CSNT.HHN. ML:1.9 0.00023113519999999998 0.1792 AML other m 2019-05-03T11:46:24.29
IV.OSSC.HHN. ML:1.6 0.00009316189999999999 0.16 AML other m 2019-05-03T11:46:25.32
TV.SF01.EHN. ML:2.1 0.00034275065 0.16 AML other m 2019-05-03T11:46:27.11
TV.SF01.EHE. ML:2.3 0.00047996545 0.1792 AML other m 2019-05-03T11:46:27.29
IV.OSSC.HHE. ML:1.6 0.000097439335 0.3456 AML other m 2019-05-03T11:46:27.68
TV.SF04.EHE. ML:2.3 0.00043104920000000004 0.1408 AML other m 2019-05-03T11:46:28.62
TV.SF04.EHN. ML:2.1 0.00028419024999999995 0.1344 AML other m 2019-05-03T11:46:29.22
IV.CRMI.HHN. ML:1.6 0.00005518265 0.256 AML other m 2019-05-03T11:46:30.17
IV.CRMI.HHE. ML:1.4 0.000034001062049999994 0.1792 AML other m 2019-05-03T11:46:30.56
IV.CELB.HHN. ML:2.2 0.00021564065500000003 0.064 AML other m 2019-05-03T11:46:35.86
IV.CELB.HHE. ML:2.4 0.00031988214999999995 0.0768 AML other m 2019-05-03T11:46:36.38
IV.CRMI.HNN. ML:1.6 0.000051184569999999996 0.64 AML other m 2019-05-03T11:46:36.62
IV.RUFI.EHE. ML:1.4 0.000031858747 0.2368 AML other m 2019-05-03T11:46:37.29
IV.OSSC.HNN. ML:1.7 0.000112808095 0.6656 AML other m 2019-05-03T11:46:41.17
IV.OSSC.HNE. ML:1.6 0.00010451498000000001 0.8896 AML other m 2019-05-03T11:46:41.53
IV.RUFI.EHN. ML:1.4 0.000030414195 0.64 AML other m 2019-05-03T11:46:42.22
IV.CRMI.HNE. ML:1.5 0.00004322846 1.1392 AML other m 2019-05-03T11:47:03.04
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
Waveforms Seismic signals in miniseed + resp format Download