Earthquake with magnitude of ML 0.8 on date 11-12-2019 and time 09:33:43 (Italy) in region 5 km N Scarperia e San Piero (FI)

A magnitude ML 0.8 earthquake occured in region: 5 km N Scarperia e San Piero (FI), on

  • 11-12-2019 08:33:43 (UTC)
  • 11-12-2019 09:33:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.01, 11.31 at 7 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Scarperia e San Piero FI 6 12217 12217
Barberino di Mugello FI 6 10836 23053
Borgo San Lorenzo FI 9 18211 41264
Vaglia FI 12 5073 46337
Firenzuola FI 13 4726 51063
Vernio PO 13 6060 57123
Vicchio FI 15 8044 65167
Vaiano PO 16 9895 75062
Cantagallo PO 16 3105 78167
Castiglione dei Pepoli BO 19 5648 83815
Calenzano FI 20 17489 101304

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Prato (191150 inhabitants)
27 Km N of Firenze (382808 inhabitants)
30 Km NE of Scandicci (50609 inhabitants)
33 Km E of Pistoia (90315 inhabitants)
50 Km SW of Imola (69797 inhabitants)
54 Km S of Bologna (386663 inhabitants)
55 Km SW of Faenza (58541 inhabitants)
63 Km W of Forlì (117913 inhabitants)
67 Km E of Lucca (89046 inhabitants)
76 Km W of Cesena (96758 inhabitants)
76 Km NW of Arezzo (99543 inhabitants)
77 Km SE of Modena (184973 inhabitants)
77 Km N of Siena (53903 inhabitants)
80 Km E of Pisa (89158 inhabitants)
84 Km SW of Ravenna (159116 inhabitants)
86 Km E of Viareggio (62467 inhabitants)
92 Km SE of Carpi (70699 inhabitants)
93 Km E of Massa (69479 inhabitants)
94 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
95 Km NE of Livorno (159219 inhabitants)
97 Km E of Carrara (63133 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 2019-12-11
08:33:43
44.01 11.31 7 2020-02-28
16:42:18
Bollettino Sismico Italiano INGV 75358771
Rev 100 ML 0.8 2019-12-11
08:33:43
44.01 11.32 6 2019-12-11
08:43:27
Sala Sismica INGV-Roma 74546561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-11 08:33:43 ± 0.12
Latitude 44.01 ± 0.00
Longitude 11.31 ± 0.00
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75358771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 376
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 164
Circular confidence region, given by single value of horizontal uncertainty (meter) 380
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.24731
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 75358771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-07 10:57:04

ML:0.8

Field Value
Value 0.8
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 74546561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-11 08:43:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.RESU.HHZ. 2019-12-11T08:35:19.83 3.0 undecidable manual Pn 1.71 0
IV.MTGR.HHZ. 2019-12-11T08:35:08.91 3.0 undecidable manual Pn -3.23 0
IV.MRVN.HHZ. 2019-12-11T08:35:04.62 3.0 undecidable manual Pg 18.870001 0
IV.RM33.HNZ. 2019-12-11T08:34:49.15 3.0 undecidable manual Sg 0.77 0
IV.MTMR.HNZ. 2019-12-11T08:34:47.67 3.0 undecidable manual Pg 7.55 0
IX.STN3.HHZ.02 2019-12-11T08:34:45.89 3.0 undecidable manual Pn -2.36 0
IV.MC2.EHZ. 2019-12-11T08:34:39.66 3.0 undecidable manual Sn 0.18 0
IV.LPEL.HHZ. 2019-12-11T08:34:24.09 3.0 undecidable manual Pn 1.58 0
IV.MSSA.HHZ. 2019-12-11T08:34:18.97 3.0 undecidable manual Sn 1.72 0
IV.CESX.HHZ. 2019-12-11T08:34:13.04 3.0 undecidable manual Pg 4.6 0
IV.CRND.HNZ. 2019-12-11T08:33:55.63 3.0 undecidable manual S -3.27 0
IV.RUFI.EHZ. 2019-12-11T08:33:52.15 0.3 undecidable manual S 140 0.2248 106 -0.22 70
IV.VISG.HHN. 2019-12-11T08:33:51.52 0.3 undecidable manual S 27 0.1979 108 0.15 71
IV.MPPT.EHZ. 2019-12-11T08:33:50.23 0.3 undecidable manual S 251 0.1673 111 -0.03 73
IV.RINC.HHZ. 2019-12-11T08:33:49.22 0.6 undecidable manual P 120 0.2473 104 0.18 47
IV.RUFI.EHZ. 2019-12-11T08:33:48.46 0.1 undecidable manual P 140 0.2248 106 -0.1 95
IV.MPPT.EHZ. 2019-12-11T08:33:47.41 0.3 undecidable manual P 251 0.1673 111 0.07 73
IV.VISG.HHN. 2019-12-11T08:33:47.93 0.1 undecidable manual P 27 0.1979 108 -0.05 97
IV.FNVD.HHZ. 2019-12-11T08:33:47.90 0.1 undecidable manual P 319 0.2059 107 -0.25 93
IV.MOCL.EHZ. 2019-12-11T08:33:47.75 0.1 undecidable manual S 266 0.0935 124 0.03 99
IV.MOCL.EHZ. 2019-12-11T08:33:46.02 0.1 undecidable manual P 266 0.0935 124 0.15 97
IV.SEI.HHZ. 2019-12-11T08:33:46.47 0.1 undecidable manual S 39 0.0549 139 -0.12 98
IV.RONT.HHZ. 2019-12-11T08:33:46.22 0.3 undecidable manual P 102 0.0899 125 0.41 69
IV.SEI.HHZ. 2019-12-11T08:33:45.21 0.1 undecidable manual P 39 0.0549 139 -0.01 100
IV.CRND.HNZ. 2019-12-11T08:33:45.85 3.0 undecidable manual Pg 1.53 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHN. ML:0 0.00068538225 0.096 AML other m 2019-12-11T08:33:46.69
IV.SEI.HHE. ML:0 0.0005362098 0.4224 AML other m 2019-12-11T08:33:46.66
IV.MPPT.EHN. ML:0.7 4.311569E-5 0.3584 AML other m 2019-12-11T08:33:50.55
IV.MPPT.EHE. ML:0.8 5.1441895E-5 0.3008 AML other m 2019-12-11T08:33:50.93
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