Earthquake (quarry blast) with magnitude of ML 0.8 on date 04-01-2019 and time 15:19:35 (Italy) in region 5 km W Piteglio (PT)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 5 km W Piteglio (PT), on

  • 04-01-2019 14:19:35 (UTC)
  • 04-01-2019 15:19:35 (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 8 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
Massa e Cozzile PT 15 7983 29195
Borgo a Mozzano LU 15 6994 36189
Coreglia Antelminelli LU 15 5215 41404
Pescia PT 15 19644 61048
Fiumalbo MO 16 1280 62328
Uzzano PT 18 5770 68098
Serravalle Pistoiese PT 18 11659 79757
Buggiano PT 18 8825 88582
Montecatini-Terme PT 18 20409 108991
Barga LU 18 10034 119025
Pieve a Nievole PT 19 9266 128291
Fanano MO 20 2989 131280
Lizzano in Belvedere BO 20 2212 133492

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Pistoia (90315 inhabitants)
27 Km NE of Lucca (89046 inhabitants)
36 Km W of Prato (191150 inhabitants)
42 Km E of Viareggio (62467 inhabitants)
44 Km NE of Pisa (89158 inhabitants)
46 Km E of Massa (69479 inhabitants)
49 Km NW of Scandicci (50609 inhabitants)
49 Km E of Carrara (63133 inhabitants)
53 Km NW of Firenze (382808 inhabitants)
63 Km NE of Livorno (159219 inhabitants)
70 Km S of Modena (184973 inhabitants)
71 Km E of La Spezia (93959 inhabitants)
71 Km SW of Bologna (386663 inhabitants)
74 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)
97 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 0.8 2019-01-04
14:19:35
44.04 10.71 1 2019-08-22
08:25:02
Bollettino Sismico Italiano INGV 69445171
Rev 100 ML 0.7 2019-01-04
14:19:35
44.04 10.71 7 2019-01-04
14:32:05
Sala Sismica INGV-Roma 64503621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-04 14:19:35 ± 0.11
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 69445171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1420
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 1420
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.46495
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 69445171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-12 22:29:27

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 64503621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-04 14:32:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SEI.HHZ. 2019-01-04T14:19:45.21 0.3 undecidable manual P 88 0.4649 91 -0.62 62
GU.EQUI.HHZ. 2019-01-04T14:19:44.05 0.6 undecidable manual P 288 0.42 91 -0.79 39
IV.MOCL.EHZ. 2019-01-04T14:19:42.89 0.1 undecidable manual P 96 0.339 91 -0.14 96
IV.CRMI.HHZ. 2019-01-04T14:19:42.27 0.1 undecidable manual P 142 0.3112 91 -0.14 97
IV.FNVD.HHZ. 2019-01-04T14:19:42.70 0.6 undecidable manual P 66 0.322 91 0.06 49
GU.GSCL.HHZ. 2019-01-04T14:19:42.57 0.6 undecidable manual P 344 0.3229 91 -0.1 49
GU.SARM.EHZ. 2019-01-04T14:19:41.19 0.1 undecidable manual P 303 0.2653 91 -0.21 96
IV.MPPT.EHZ. 2019-01-04T14:19:41.83 0.1 undecidable manual P 107 0.2842 91 0.01 100
MN.VLC.HHZ. 2019-01-04T14:19:41.31 0.3 undecidable manual P 297 0.2617 91 -0.01 75
IV.MTCR.EHZ. 2019-01-04T14:19:40.36 0.1 positive manual P 93 0.2095 91 0.21 97
GU.CARD.HHZ. 2019-01-04T14:19:39.42 0.3 undecidable manual P 265 0.1655 92 0.25 73
IV.BDI.HHZ. 2019-01-04T14:19:37.80 0.1 positive manual P 285 0.0863 93 0.38 96
GU.POPM.HHZ. 2019-01-04T14:19:36.67 0.1 undecidable manual P 81 0.0333 98 0.44 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:0 0.0023383135 0.1216 AML other m 2019-01-04T14:19:38.09
GU.POPM.HHE. ML:0 0.0013444895 0.1984 AML other m 2019-01-04T14:19:38.24
IV.MTCR.EHN. ML:0.6 3.1002655E-5 0.1984 AML other m 2019-01-04T14:19:44.59
IV.MTCR.EHE. ML:0.8 3.9347215E-5 0.16 AML other m 2019-01-04T14:19:44.55
GU.SARM.EHE. ML:1.3 0.0001151807 1.5392 AML other m 2019-01-04T14:19:45.15
IV.MPPT.EHE. ML:0.5 1.4432763E-5 0.4 AML other m 2019-01-04T14:19:46.42
GU.SARM.EHN. ML:1.2 8.103402E-5 0.2048 AML other m 2019-01-04T14:19:46.91
IV.MPPT.EHN. ML:0.5 1.615989E-5 0.224 AML other m 2019-01-04T14:19:47.19
IV.MOCL.EHE. ML:0.7 1.76573005E-5 1.2832 AML other m 2019-01-04T14:19:48.09
IV.MOCL.EHN. ML:0.8 2.3586885E-5 1.2 AML other m 2019-01-04T14:19:48.76
IV.SEI.HHE. ML:0.9 2.1128135E-5 0.5376 AML other m 2019-01-04T14:19:54.13
IV.SEI.HHN. ML:1.5 7.965E-5 0.6 AML other m 2019-01-04T14:19:54.16
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