Earthquake (quarry blast) with magnitude of ML 0.8 on date 07-06-2017 and time 09:02:42 (Italy) in region 5 km NW Vaglia (FI)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 5 km NW Vaglia (FI), on

  • 07-06-2017 07:02:42 (UTC)
  • 07-06-2017 09:02:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.95, 11.26 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
Vaglia FI 5 5073 5073
Scarperia e San Piero FI 5 12217 17290
Barberino di Mugello FI 6 10836 28126
Borgo San Lorenzo FI 10 18211 46337
Vaiano PO 12 9895 56232
Calenzano FI 12 17489 73721
Sesto Fiorentino FI 14 48958 122679
Vernio PO 15 6060 128739
Prato PO 15 191150 319889
Cantagallo PO 15 3105 322994
Fiesole FI 16 13969 336963
Vicchio FI 16 8044 345007
Campi Bisenzio FI 17 46166 391173
Montemurlo PO 18 18456 409629
Montale PT 19 10737 420366
Firenze FI 20 382808 803174

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Prato (191150 inhabitants)
20 Km N of Firenze (382808 inhabitants)
22 Km NE of Scandicci (50609 inhabitants)
28 Km E of Pistoia (90315 inhabitants)
58 Km SW of Imola (69797 inhabitants)
61 Km S of Bologna (386663 inhabitants)
62 Km SW of Faenza (58541 inhabitants)
62 Km E of Lucca (89046 inhabitants)
69 Km W of Forlì (117913 inhabitants)
70 Km N of Siena (53903 inhabitants)
73 Km NW of Arezzo (99543 inhabitants)
74 Km E of Pisa (89158 inhabitants)
81 Km W of Cesena (96758 inhabitants)
82 Km E of Viareggio (62467 inhabitants)
82 Km SE of Modena (184973 inhabitants)
88 Km E of Livorno (159219 inhabitants)
90 Km E of Massa (69479 inhabitants)
91 Km SW of Ravenna (159116 inhabitants)
94 Km E of Carrara (63133 inhabitants)
98 Km SE of Reggio nell'Emilia (171345 inhabitants)
98 Km SE of Carpi (70699 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 2017-06-07
07:02:42
43.95 11.26 1 2018-07-06
11:13:34
Bollettino Sismico Italiano INGV 51158881
Rev 100 ML 1.5 2017-06-07
07:02:37
44.3 10.94 10 2017-06-07
07:13:14
Sala Sismica INGV-Roma 46367781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-06-07 07:02:42 ± 0.5
Latitude 43.95 ± 0.03
Longitude 11.26 ± 0.02
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 51158881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3650
Semi-minor axis of confidence ellipse (meter) 930
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 338
Circular confidence region, given by single value of horizontal uncertainty (meter) 3650
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 242
Number of associated phases, regardless of their use for origin computation 4
Number of defining phases 4
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.20505
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 46367781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-06-07 07:13:14

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 51158881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-12-12 10:08:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MTCR.EHZ. 2017-06-07T07:02:47.18 0.1 undecidable manual P 293 0.205 91 -0.2 95
IV.SEI.HHZ. 2017-06-07T07:02:45.62 0.1 undecidable manual P 32 0.1259 92 -0.01 100
IV.MPPT.EHZ. 2017-06-07T07:02:45.72 0.1 undecidable manual P 274 0.1259 92 0.09 98
IV.MOCL.EHZ. 2017-06-07T07:02:44.79 0.1 undecidable manual P 313 0.0827 93 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPPT.EHE. ML:0.8 7.9929715E-5 3.28 AML other m 2017-06-07T07:02:51.92
IV.MOCL.EHN. ML:1.3 0.000112588595 1.0592 AML other m 2017-06-07T07:02:49.79
IV.MTCR.EHN. ML:0.9 5.7286565E-5 2.24 AML other m 2017-06-07T07:02:53.21
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