Earthquake with magnitude of ML 0.8 on date 26-12-2019 and time 03:36:13 (UTC) 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

  • 26-12-2019 03:36:13 (UTC)
  • 26-12-2019 04:36:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0050, 11.3320 at 9 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 5 12217 12217
Borgo San Lorenzo FI 7 18211 30428
Barberino di Mugello FI 7 10836 41264
Vaglia FI 12 5073 46337
Firenzuola FI 13 4726 51063
Vicchio FI 13 8044 59107
Vernio PO 15 6060 65167
Vaiano PO 17 9895 75062
Cantagallo PO 18 3105 78167
Dicomano FI 20 5515 83682

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Prato (191150 inhabitants)
27 Km N of Firenze (382808 inhabitants)
30 Km NE of Scandicci (50609 inhabitants)
34 Km E of Pistoia (90315 inhabitants)
49 Km SW of Imola (69797 inhabitants)
54 Km SW of Faenza (58541 inhabitants)
55 Km S of Bologna (386663 inhabitants)
62 Km W of Forlì (117913 inhabitants)
69 Km E of Lucca (89046 inhabitants)
74 Km W of Cesena (96758 inhabitants)
74 Km NW of Arezzo (99543 inhabitants)
76 Km N of Siena (53903 inhabitants)
78 Km SE of Modena (184973 inhabitants)
81 Km E of Pisa (89158 inhabitants)
83 Km SW of Ravenna (159116 inhabitants)
88 Km E of Viareggio (62467 inhabitants)
94 Km SE of Carpi (70699 inhabitants)
95 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km E of Massa (69479 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
96 Km NE of Livorno (159219 inhabitants)
99 Km W of Rimini (147750 inhabitants)
99 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
Bulletin
Rev1000
ML 0.8 2019-12-26
03:36:13
44.0052 11.3325 9 2020-02-28
16:42:25
Bollettino Sismico Italiano INGV 76592871
Reviewed
Rev100
ML 0.8 2019-12-26
03:36:13
43.9978 11.3395 11 2019-12-26
03:46:06
Sala Sismica INGV-Roma 74983771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-26 03:36:13 ± 0.08
Latitude 44.0052 ± 0.0036
Longitude 11.3325 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76592871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 363
Semi-minor axis of confidence ellipse (meter) 342
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.32915
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 76592871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-17 09:38:01

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 74983771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-26 03:46:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HNN. 2019-12-26T03:36:26.72 0.6 undecidable manual S 231 36.5412 50 0.25 45
IV.RINC.HHZ. 2019-12-26T03:36:23.24 0.3 undecidable manual S 121 25.5522 110 -0.03 72
IV.VISG.HHZ. 2019-12-26T03:36:22.00 0.3 undecidable manual S 22 21.9669 113 -0.1 72
IV.RUFI.EHZ. 2019-12-26T03:36:22.18 0.3 undecidable manual S 143 23.3544 112 -0.36 68
IV.CRMI.HNN. 2019-12-26T03:36:21.08 0.1 undecidable manual P 231 36.5412 50 -0.06 94
IV.MPPT.EHZ. 2019-12-26T03:36:21.44 0.3 undecidable manual S 255 20.0688 115 -0.05 72
IV.RINC.HHZ. 2019-12-26T03:36:19.20 0.3 undecidable manual P 121 25.5522 110 -0.09 71
IV.FNVD.HHZ. 2019-12-26T03:36:19.04 0.3 undecidable manual P 317 24.5532 111 -0.06 72
IV.RUFI.EHZ. 2019-12-26T03:36:18.74 0.3 undecidable manual P 143 23.3544 112 -0.12 71
IV.MPPT.EHZ. 2019-12-26T03:36:18.38 0.3 undecidable manual P 255 20.0688 115 0.12 72
IV.RONT.HHZ. 2019-12-26T03:36:18.44 0.1 undecidable manual S 99 8.0808 139 0.34 93
IV.VISG.HHZ. 2019-12-26T03:36:18.64 0.3 undecidable manual P 22 21.9669 113 0.03 73
IV.SEI.HHZ. 2019-12-26T03:36:17.45 0.1 undecidable manual S 21 5.7942 148 -0.17 97
IV.SEI.HHZ. 2019-12-26T03:36:16.02 0.1 undecidable manual P 21 5.7942 148 -0.01 100
IV.RONT.HHZ. 2019-12-26T03:36:16.58 0.1 positive manual P 99 8.0808 139 0.28 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:0.8 0.000101769395 0.16 AML other m 2019-12-26T03:36:17.50
IV.SEI.HHN. ML:1.4 0.0003909618 0.1792 AML other m 2019-12-26T03:36:17.61
IV.RONT.HHE. ML:1.1 0.0001728266 0.1808 AML other m 2019-12-26T03:36:18.84
IV.RONT.HHN. ML:1.0 0.00014529195 0.1392 AML other m 2019-12-26T03:36:18.88
IV.VISG.HHN. ML:0.2 0.000012057709 1.6 AML other m 2019-12-26T03:36:22.93
IV.VISG.HHE. ML:0.2 0.000011153214500000002 1.48 AML other m 2019-12-26T03:36:22.94
IV.RUFI.EHN. ML:0.6 0.00002334629 0.0608 AML other m 2019-12-26T03:36:26.50
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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