Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 03-07-2019 and time 16:59:30 (Italy) in region 6 km NW Montieri (GR)

A magnitude ML 1.8 earthquake occured in region: 6 km NW Montieri (GR), on

  • 03-07-2019 14:59:30 (UTC)
  • 03-07-2019 16:59:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1750, 10.9840 at 8 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
Castelnuovo di Val di Cecina PI 7 2231 3435
Chiusdino SI 9 1903 5338
Radicondoli SI 11 914 6252
Monterotondo Marittimo GR 11 1371 7623
Massa Marittima GR 16 8375 15998
Monticiano SI 16 1571 17569
Pomarance PI 17 5897 23466
Casole d'Elsa SI 19 3897 27363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Siena (53903 inhabitants)
47 Km N of Grosseto (82087 inhabitants)
67 Km S of Scandicci (50609 inhabitants)
69 Km SE of Livorno (159219 inhabitants)
70 Km SW of Firenze (382808 inhabitants)
76 Km SE of Pisa (89158 inhabitants)
79 Km S of Prato (191150 inhabitants)
80 Km W of Arezzo (99543 inhabitants)
84 Km SE of Lucca (89046 inhabitants)
85 Km S of Pistoia (90315 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
Bulletin
Rev1000 		ML 1.8 2019-07-03
14:59:30		 43.1753 10.9838 8 2019-11-13
14:30:59		 Bollettino Sismico Italiano INGV 71891111
Reviewed
Rev100 		ML 1.9 2019-07-03
14:59:30		 43.1785 10.9817 7 2019-07-03
15:15:39		 Sala Sismica INGV-Roma 70165441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-03 14:59:30 ± 0.1
Latitude 43.1753 ± 0.0054
Longitude 10.9838 ± 0.0086
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71891111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 573
Semi-minor axis of confidence ellipse (meter) 540
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 39
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) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 1.58281
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 70165441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-03 15:15:39

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 51
Type of magnitude ML
Reference to an origin 71891111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-28 18:32:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.PGF.BHZ. 2019-07-03T14:59:59.23 0.6 undecidable manual P 247 175.6908 50 -0.41 32
IV.SNTG.HHZ. 2019-07-03T14:59:56.02 3.0 negative manual P 158.4192 -0.96 0
IV.MURB.HHZ. 2019-07-03T14:59:53.04 0.6 undecidable manual P 85 124.986 50 1.22 27
IV.APEC.HHZ. 2019-07-03T14:59:53.67 3.0 positive manual P 122.7882 2.06 0
IV.ATVO.HHZ. 2019-07-03T14:59:51.20 0.6 negative manual P 78 117.1938 50 0.58 37
IV.LMD.HHZ. 2019-07-03T14:59:51.12 0.6 undecidable manual P 30 115.6953 50 0.73 35
IV.PARC.HHZ. 2019-07-03T14:59:50.64 0.3 undecidable manual P 62 113.8971 50 0.52 57
TV.SF01.EHZ. 2019-07-03T14:59:50.90 0.3 undecidable manual S 130 61.8936 50 0.43 65
IV.SFI.EHZ. 2019-07-03T14:59:49.46 0.3 undecidable manual P 40 106.6155 50 0.47 59
IV.BDI.HHZ. 2019-07-03T14:59:49.08 0.6 undecidable manual P 343 103.2189 50 0.6 38
Z3.A317A.HHE. 2019-07-03T14:59:48.93 0.6 undecidable manual P 262 93.4398 50 1.96 18
IV.SSP9.EHZ. 2019-07-03T14:59:48.75 0.6 undecidable manual P 64 102.5196 50 0.38 40
IV.ARCI.HHZ. 2019-07-03T14:59:47.50 0.3 undecidable manual S 132 53.6019 50 -0.76 58
IV.MOCL.EHZ. 2019-07-03T14:59:47.81 3.0 negative manual P 93.3399 0.86 0
IV.MPPT.EHZ. 2019-07-03T14:59:46.08 0.3 undecidable manual P 6 87.1461 50 0.08 66
IV.MAON.HHZ. 2019-07-03T14:59:46.40 0.3 undecidable manual P 172 83.7495 50 0.93 51
IV.CAFI.HHZ. 2019-07-03T14:59:45.10 0.1 positive manual P 78 81.1521 50 0.03 90
IV.RUFI.EHZ. 2019-07-03T14:59:45.81 0.1 undecidable manual P 30 84.8484 50 0.18 87
IV.SACS.HHZ. 2019-07-03T14:59:45.47 0.6 undecidable manual P 115 83.3499 50 0.06 45
IV.OSSC.HHZ. 2019-07-03T14:59:44.40 0.3 undecidable manual S 29 44.0226 50 -1.29 46
IV.CASP.HHZ. 2019-07-03T14:59:44.70 0.1 undecidable manual S 193 43.7229 50 -0.91 74
TV.SF03.EHE. 2019-07-03T14:59:43.52 0.1 undecidable manual P 126 70.374 50 0.11 91
IV.PII.HHZ. 2019-07-03T14:59:43.72 0.6 undecidable manual P 329 70.9734 50 0.21 44
IV.CRMI.HNN. 2019-07-03T14:59:43.21 0.6 undecidable manual P 360 68.7756 50 0.05 46
IV.MCIV.CHZ. 2019-07-03T14:59:43.63 0.1 undecidable manual P 128 71.373 50 0.06 91
TV.SF01.EHZ. 2019-07-03T14:59:42.21 0.1 undecidable manual P 130 61.8936 50 0.1 92
TV.SF11.HHE. 2019-07-03T14:59:42.73 0.1 undecidable manual P 121 65.8896 50 0.02 93
TV.SF14.HHE. 2019-07-03T14:59:42.99 0.1 undecidable manual P 132 69.2751 50 -0.25 88
TV.SF13.HHE. 2019-07-03T14:59:42.67 0.1 undecidable manual P 127 64.9905 50 0.09 92
TV.SF04.EHZ. 2019-07-03T14:59:42.91 0.1 undecidable manual P 124 66.5778 50 0.09 92
IV.ARCI.HHZ. 2019-07-03T14:59:40.62 0.1 undecidable manual P 132 53.6019 50 -0.21 92
IV.MAGO.CHZ. 2019-07-03T14:59:40.00 0.6 undecidable manual S 293 28.4493 105 -0.9 38
IV.CASP.HHZ. 2019-07-03T14:59:39.20 0.1 undecidable manual P 193 43.7229 50 -0.1 95
IV.RIBO.EHZ.01 2019-07-03T14:59:39.60 0.3 undecidable manual S 169 25.6521 106 -0.34 70
IV.CSNT.HHZ. 2019-07-03T14:59:38.41 0.1 positive manual P 37 41.2254 50 -0.51 88
IV.OSSC.HHZ. 2019-07-03T14:59:38.82 0.3 negative manual P 29 44.0226 50 -0.53 65
IV.MAGO.CHZ. 2019-07-03T14:59:36.47 0.1 positive manual P 293 28.4493 105 -0.11 98
IV.RIBO.EHZ.01 2019-07-03T14:59:36.24 0.1 undecidable manual P 169 25.6521 106 0.21 96
IV.FROS.CHZ. 2019-07-03T14:59:35.83 0.3 undecidable manual S 75 14.4744 117 -0.5 69
IV.TRIF.CHZ. 2019-07-03T14:59:34.90 0.3 undecidable manual S 224 9.3795 128 0.05 77
IV.TRIF.CHZ. 2019-07-03T14:59:33.43 0.1 negative manual P 224 9.3795 128 0.35 96
IV.FROS.CHZ. 2019-07-03T14:59:33.82 0.1 negative manual P 75 14.4744 117 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CASP.HHN. ML:2.2 0.00044233624999999996 0.1408 AML other m 2019-07-03T14:59:49.51
IV.TRIF.CHN. ML:2.4 0.0039124165 0.1152 AML other m 2019-07-03T14:59:36.04
IV.TRIF.CHE. ML:2.6 0.0057015695 0.128 AML other m 2019-07-03T14:59:35.78
IV.FROS.CHE. ML:2.5 0.003602382 0.3072 AML other m 2019-07-03T14:59:35.85
IV.FROS.CHN. ML:2.6 0.004714986 0.1408 AML other m 2019-07-03T14:59:36.88
IV.RIBO.EHE.01 ML:2.6 0.0025758095000000003 0.1792 AML other m 2019-07-03T14:59:39.84
IV.MAGO.CHE. ML:2.0 0.0005698788500000001 0.1024 AML other m 2019-07-03T14:59:41.27
IV.MAGO.CHN. ML:2.3 0.001193536 0.1536 AML other m 2019-07-03T14:59:40.13
IV.CSNT.HHN. ML:1.7 0.00017642829999999998 0.1792 AML other m 2019-07-03T14:59:44.58
IV.CSNT.HHE. ML:1.6 0.00014386155 0.1408 AML other m 2019-07-03T14:59:44.23
IV.OSSC.HNN. ML:1.8 0.00021386069999999998 0.2432 AML other m 2019-07-03T14:59:44.63
IV.OSSC.HHE. ML:1.8 0.00022044605 0.256 AML other m 2019-07-03T14:59:44.63
IV.OSSC.HNE. ML:1.8 0.00020250665 0.3328 AML other m 2019-07-03T14:59:44.70
IV.OSSC.HHN. ML:1.8 0.0002200854 0.3328 AML other m 2019-07-03T14:59:44.54
IV.CASP.HHE. ML:2.6 0.0012525139000000001 0.2176 AML other m 2019-07-03T14:59:49.49
IV.ARCI.HHN. ML:1.6 0.00009263241 0.2432 AML other m 2019-07-03T14:59:47.60
IV.ARCI.HNN. ML:1.6 0.000083954655 0.128 AML other m 2019-07-03T14:59:47.55
IV.ARCI.HHE. ML:1.7 0.0001176731 0.1408 AML other m 2019-07-03T14:59:48.68
IV.ARCI.HNE. ML:1.6 0.00010104115499999999 0.128 AML other m 2019-07-03T14:59:48.62
TV.SF01.EHE. ML:1.9 0.00015401537 0.3072 AML other m 2019-07-03T14:59:51.12
TV.SF01.EHN. ML:1.8 0.00011371624000000001 0.2048 AML other m 2019-07-03T14:59:51.17
IV.SSP9.EHE. ML:1.6 0.00004056215499999999 0.6016 AML other m 2019-07-03T15:00:05.50
IV.SSP9.EHN. ML:1.7 0.000044475675000000003 0.3968 AML other m 2019-07-03T15:00:04.72
IV.MCIV.CHN. ML:1.6 0.00006427963 0.3584 AML other m 2019-07-03T14:59:54.50
IV.MCIV.CHE. ML:1.6 0.00005771962999999999 0.1664 AML other m 2019-07-03T14:59:54.64
IV.PII.HHN. ML:1.9 0.0001353322 0.3072 AML other m 2019-07-03T14:59:54.56
IV.SACS.HHE. ML:1.1 0.00001569886 0.2176 AML other m 2019-07-03T14:59:49.82
IV.PII.HHE. ML:1.8 0.00011182195 0.2048 AML other m 2019-07-03T14:59:53.40
IV.CAFI.HNE. ML:1.6 0.000048732385 0.4736 AML other m 2019-07-03T14:59:55.44
IV.CAFI.HHE. ML:1.5 0.00004325411 0.3584 AML other m 2019-07-03T14:59:58.06
IV.CAFI.HHN. ML:1.6 0.00005110085 0.3456 AML other m 2019-07-03T14:59:59.75
IV.CAFI.HNN. ML:1.5 0.000044002465 0.4864 AML other m 2019-07-03T14:59:58.42
IV.RUFI.EHE. ML:1.9 0.00011130071 0.2176 AML other m 2019-07-03T14:59:56.98
IV.RUFI.EHN. ML:1.7 0.000061372685 0.2944 AML other m 2019-07-03T14:59:56.60
IV.MPPT.EHN. ML:1.5 0.000041424595 0.4864 AML other m 2019-07-03T15:00:00.18
IV.MPPT.EHE. ML:1.6 0.00005471487 0.576 AML other m 2019-07-03T15:00:01.67
IV.MAON.HHE. ML:2.4 0.000361431 0.256 AML other m 2019-07-03T14:59:57.60
IV.MAON.HHN. ML:2.3 0.00025414130000000004 0.1408 AML other m 2019-07-03T14:59:58.88
IV.BDI.HHN. ML:1.6 0.00003745101 0.4992 AML other m 2019-07-03T15:00:04.03
IV.BDI.HHE. ML:1.6 0.0000382563 0.3328 AML other m 2019-07-03T15:00:03.74
IV.SFI.HNE. ML:2.1 0.00010779089999999999 1.1136 AML other m 2019-07-03T15:00:02.10
IV.SFI.HNN. ML:2.1 0.00012280662 0.9728 AML other m 2019-07-03T15:00:03.33
IV.SFI.EHN. ML:1.4 0.00002671229 0.6528 AML other m 2019-07-03T15:00:05.15
IV.SFI.EHE. ML:1.4 0.00002271094 0.512 AML other m 2019-07-03T15:00:13.53
IV.PARC.HHN. ML:1.6 0.00003360924 0.4608 AML other m 2019-07-03T15:00:08.38
IV.ATVO.HHE. ML:1.7 0.00003461645 0.4864 AML other m 2019-07-03T15:00:12.88
IV.ATVO.HHN. ML:1.7 0.00003415606 0.4352 AML other m 2019-07-03T15:00:08.60
IV.LMD.HHE. ML:1.8 0.00005735949 0.4736 AML other m 2019-07-03T15:00:05.95
IV.LMD.HHN. ML:1.8 0.000050679265 0.2816 AML other m 2019-07-03T15:00:06.49
IV.MURB.HHE. ML:2.0 0.00007200733000000001 0.3456 AML other m 2019-07-03T15:00:14.40
IV.MURB.HHN. ML:2.2 0.00010652421000000001 0.3328 AML other m 2019-07-03T15:00:13.29
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