Earthquake (quarry blast) with magnitude of ML 1.4 on date 03-12-2018 and time 12:18:28 (Italy) in region 5 km W Piteglio (PT)

A magnitude ML 1.4 (quarry blast) earthquake occured in region: 5 km W Piteglio (PT), on

  • 03-12-2018 11:18:28 (UTC)
  • 03-12-2018 12:18:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.04, 10.71 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Piteglio PT 5 1683 1683
San Marcello Pistoiese PT 7 6416 8099
Cutigliano PT 7 1488 9587
Bagni di Lucca LU 10 6161 15748
Abetone PT 12 621 16369
Marliana PT 13 3210 19579
Villa Basilica LU 14 1633 21212
Coreglia Antelminelli LU 15 5215 26427
Massa e Cozzile PT 15 7983 34410
Borgo a Mozzano LU 15 6994 41404
Pescia PT 16 19644 61048
Fiumalbo MO 16 1280 62328
Uzzano PT 18 5770 68098
Buggiano PT 18 8825 76923
Serravalle Pistoiese PT 18 11659 88582
Barga LU 18 10034 98616
Montecatini-Terme PT 18 20409 119025
Pieve a Nievole PT 19 9266 128291
Fanano MO 20 2989 131280
Pievepelago MO 20 2222 133502
Lizzano in Belvedere BO 20 2212 135714

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Pistoia (90315 inhabitants)
28 Km NE of Lucca (89046 inhabitants)
36 Km NW of Prato (191150 inhabitants)
42 Km E of Viareggio (62467 inhabitants)
44 Km NE of Pisa (89158 inhabitants)
45 Km E of Massa (69479 inhabitants)
49 Km E of Carrara (63133 inhabitants)
49 Km NW of Scandicci (50609 inhabitants)
53 Km NW of Firenze (382808 inhabitants)
63 Km NE of Livorno (159219 inhabitants)
69 Km S of Modena (184973 inhabitants)
71 Km E of La Spezia (93959 inhabitants)
71 Km SW of Bologna (386663 inhabitants)
73 Km S of Reggio nell'Emilia (171345 inhabitants)
84 Km S of Carpi (70699 inhabitants)
87 Km W of Imola (69797 inhabitants)
90 Km SE of Parma (192836 inhabitants)
95 Km NW of Siena (53903 inhabitants)
98 Km W of Faenza (58541 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 1.4 2018-12-03
11:18:28
44.04 10.71 1 2019-06-04
09:16:18
Bollettino Sismico Italiano INGV 68756771
Rev 100 ML 1.1 2018-12-03
11:18:28
44.05 10.72 8 2018-12-03
11:30:25
Sala Sismica INGV-Roma 63609491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-03 11:18:28 ± 0.09
Latitude 44.04 ± 0.01
Longitude 10.71 ± 0.01
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 68756771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 520
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 900
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 68756771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-21 11:25:17

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 63609491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-03 11:30:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IST3.HHZ. 2018-12-03T11:20:19.05 3.0 negative manual Pg 18.950001 0
GE.MATE.HHZ. 2018-12-03T11:20:11.58 3.0 negative manual Pg 20.82 0
IV.MTGR.HHZ. 2018-12-03T11:20:04.14 3.0 negative manual Pn 2.49 0
GU.RSP.HHZ. 2018-12-03T11:19:57.60 3.0 undecidable manual Sg 12.33 0
IV.AMUR.HHZ. 2018-12-03T11:19:48.08 3.0 undecidable manual Pn 0.38 0
IV.FAGN.HHZ. 2018-12-03T11:19:47.68 3.0 undecidable manual Sn 1.2 0
IV.PAOL.HHZ. 2018-12-03T11:19:30.47 3.0 negative manual Pn -0.62 0
IV.ZONE.HHZ. 2018-12-03T11:19:20.32 3.0 undecidable manual Sn -0.7 0
IV.FIAM.HHZ. 2018-12-03T11:19:09.27 3.0 negative manual Pn 0.78 0
RD.PGF.BHZ. 2018-12-03T11:19:01.12 3.0 undecidable manual Pn -0.66 0
IV.EUCT.HNZ. 2018-12-03T11:18:56.55 3.0 undecidable manual Pn 0.61 0
IV.RIBO.EHZ.01 2018-12-03T11:18:48.12 3.0 undecidable manual P -1.99 0
IV.BRSN.EHZ. 2018-12-03T11:18:48.55 3.0 negative manual P 1.92 0
IV.CRMI.HNE. 2018-12-03T11:18:35.22 0.1 undecidable manual P 142 0.3148 91 -0.29 92
IV.FNVD.HHZ. 2018-12-03T11:18:35.68 0.6 undecidable manual P 67 0.322 91 0.02 49
GU.GSCL.HHZ. 2018-12-03T11:18:35.45 0.3 undecidable manual P 344 0.3193 91 -0.16 71
IV.MPPT.EHN. 2018-12-03T11:18:34.83 0.3 undecidable manual P 107 0.2869 91 -0.06 73
MN.VLC.HNE. 2018-12-03T11:18:34.12 0.3 undecidable manual P 297 0.259 91 -0.16 72
GU.SARM.EHZ. 2018-12-03T11:18:33.99 0.3 undecidable manual P 302 0.2626 91 -0.36 69
GU.MAIM.HHN. 2018-12-03T11:18:33.03 0.1 undecidable manual P 231 0.2032 91 0 100
GU.CARD.HHE. 2018-12-03T11:18:32.41 0.3 undecidable manual P 264 0.1646 92 0.24 72
IV.BDI.HHZ. 2018-12-03T11:18:30.69 0.1 positive manual P 283 0.0845 93 0.3 96
GU.POPM.HHZ. 2018-12-03T11:18:29.60 0.1 undecidable manual P 87 0.0342 98 0.33 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:0 0.0020441695 1.8208 AML other m 2018-12-03T11:18:30.02
GU.POPM.HHE. ML:0 0.00109650815 0.224 AML other m 2018-12-03T11:18:31.89
IV.BDI.HHE. ML:0 0.0001311926 0.3968 AML other m 2018-12-03T11:18:33.56
IV.BDI.HHN. ML:0 0.00011899875 0.2816 AML other m 2018-12-03T11:18:34.12
IV.BDI.HNN. ML:0 0.000159449 0.3008 AML other m 2018-12-03T11:18:34.27
IV.BDI.HNE. ML:0 0.00014749293 0.2752 AML other m 2018-12-03T11:18:34.70
GU.SARM.EHE. ML:1.5 0.00017304875 0.3776 AML other m 2018-12-03T11:18:39.57
GU.SARM.EHN. ML:1.3 0.000103470875 1.5584 AML other m 2018-12-03T11:18:40.84
IV.NDIM.HNN. ML:3 0.00120907465 0.0576 AML other m 2018-12-03T11:18:46.52
IV.EUCT.HNN. ML:3.3 0.00074213885 0.0832 AML other m 2018-12-03T11:19:01.16
IV.EUCT.HNE. ML:3.1 0.0005162566 0.0576 AML other m 2018-12-03T11:19:01.16
RD.PGF.BHE. ML:2.5 8.0248045E-5 0.0416 AML other m 2018-12-03T11:19:09.05
RD.PGF.BHN. ML:2.6 9.0742945E-5 0.6016 AML other m 2018-12-03T11:19:26.60
IV.FIAM.HNE. ML:3.4 0.0004098111 0.88 AML other m 2018-12-03T11:19:31.57
IV.PAOL.HNN. ML:3.8 0.0002365441 0.7744 AML other m 2018-12-03T11:19:32.27
IV.PAOL.HNE. ML:3.6 0.00013687735 0.6912 AML other m 2018-12-03T11:19:35.78
IV.FIAM.HNN. ML:3 0.00014970068 1.1616 AML other m 2018-12-03T11:19:52.16
IV.PAOL.HHN. ML:3.1 4.559663E-5 0.2624 AML other m 2018-12-03T11:19:57.53
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