Earthquake with magnitude of ML 1.5 on date 12-10-2018 and time 01:55:16 (Italy) in region 7 km NE Scarperia e San Piero (FI)

A magnitude ML 1.5 earthquake occured in region: 7 km NE Scarperia e San Piero (FI), on

  • 11-10-2018 23:55:16 (UTC)
  • 12-10-2018 01:55:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.02, 11.36 at 10 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 7 12217 12217
Borgo San Lorenzo FI 8 18211 30428
Barberino di Mugello FI 10 10836 41264
Firenzuola FI 11 4726 45990
Vicchio FI 13 8044 54034
Vaglia FI 14 5073 59107
Vernio PO 16 6060 65167
Palazzuolo sul Senio FI 19 1154 66321
Vaiano PO 19 9895 76216
Dicomano FI 20 5515 81731
Cantagallo PO 20 3105 84836

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Prato (191150 inhabitants)
29 Km N of Firenze (382808 inhabitants)
32 Km NE of Scandicci (50609 inhabitants)
36 Km E of Pistoia (90315 inhabitants)
47 Km SW of Imola (69797 inhabitants)
52 Km SW of Faenza (58541 inhabitants)
53 Km S of Bologna (386663 inhabitants)
59 Km W of Forlì (117913 inhabitants)
71 Km E of Lucca (89046 inhabitants)
72 Km W of Cesena (96758 inhabitants)
75 Km NW of Arezzo (99543 inhabitants)
77 Km SE of Modena (184973 inhabitants)
78 Km N of Siena (53903 inhabitants)
81 Km SW of Ravenna (159116 inhabitants)
84 Km E of Pisa (89158 inhabitants)
90 Km E of Viareggio (62467 inhabitants)
93 Km SE of Carpi (70699 inhabitants)
93 Km S of Ferrara (133155 inhabitants)
95 Km SE of Reggio nell'Emilia (171345 inhabitants)
97 Km E of Massa (69479 inhabitants)
97 Km W of Rimini (147750 inhabitants)
99 Km NE of Livorno (159219 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 1.5 2018-10-11
23:55:16
44.02 11.35 10 2019-06-04
09:16:05
Bollettino Sismico Italiano INGV 64599541
Rev 100 ML 1.6 2018-10-11
23:55:16
44.02 11.35 9 2018-10-12
00:01:07
Sala Sismica INGV-Roma 61854141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-11 23:55:16 ± 0.08
Latitude 44.02 ± 0.01
Longitude 11.35 ± 0.01
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64599541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 635
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 640
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.6682
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:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 64599541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-09 13:11:43

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 61854141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-12 00:01:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2018-10-11T23:55:35.16 1.0 undecidable manual S 185 0.5495 50 -0.09 22
GU.POPM.HHZ. 2018-10-11T23:55:31.62 0.6 undecidable manual S 273 0.4299 50 -0.09 46
IV.BRIS.HHZ. 2018-10-11T23:55:29.99 0.6 undecidable manual S 55 0.3588 50 0.41 43
IV.PII.HHZ. 2018-10-11T23:55:29.75 0.1 undecidable manual P 244 0.6682 50 0.5 80
IV.MTRZ.HNN. 2018-10-11T23:55:27.00 0.6 undecidable manual S 10 0.2959 50 -0.73 39
IV.CSNT.HHZ. 2018-10-11T23:55:27.44 0.3 undecidable manual P 185 0.5495 50 0.22 65
IV.ZCCA.HNN. 2018-10-11T23:55:26.29 0.6 undecidable manual P 321 0.4272 50 1.17 31
IV.LMD.HHZ. 2018-10-11T23:55:26.43 0.6 undecidable manual S 77 0.259 50 -0.22 46
GU.POPM.HHZ. 2018-10-11T23:55:25.15 0.1 undecidable manual P 273 0.4299 50 -0.03 93
IV.MTCR.EHZ. 2018-10-11T23:55:25.99 0.3 undecidable manual S 272 0.2536 50 -0.47 66
IV.RUFI.EHZ. 2018-10-11T23:55:24.99 0.3 undecidable manual S 149 0.214 113 -0.21 70
IV.FNVD.HHZ. 2018-10-11T23:55:24.95 1.0 undecidable manual S 311 0.2221 112 -0.52 22
IV.BRIS.HHZ. 2018-10-11T23:55:24.08 0.3 undecidable manual P 55 0.3588 50 0.12 69
IV.MPPT.EHZ. 2018-10-11T23:55:24.62 0.6 undecidable manual S 252 0.2005 114 -0.1 48
IV.MTRZ.HNN. 2018-10-11T23:55:23.86 0.6 undecidable manual P 10 0.2959 50 0.98 35
IV.MTCR.EHZ. 2018-10-11T23:55:22.00 0.1 undecidable manual P 272 0.2536 50 -0.15 94
IV.MOCL.EHZ. 2018-10-11T23:55:22.33 0.6 undecidable manual S 263 0.1259 125 0.11 48
IV.MPPT.EHZ. 2018-10-11T23:55:21.11 0.1 undecidable manual P 252 0.2005 114 -0.04 97
IV.RUFI.EHZ. 2018-10-11T23:55:21.35 0.1 undecidable manual P 149 0.214 113 -0.07 96
IV.FNVD.HHZ. 2018-10-11T23:55:21.36 0.1 undecidable manual P 311 0.2221 112 -0.22 93
IV.LMD.HHZ. 2018-10-11T23:55:21.90 0.1 undecidable manual P 77 0.259 50 -0.36 89
IV.SEI.HHZ. 2018-10-11T23:55:19.92 0.1 undecidable manual S 5 0.0333 160 -0.03 100
IV.MOCL.EHZ. 2018-10-11T23:55:19.89 0.1 undecidable manual P 263 0.1259 125 0.19 95
IV.SEI.HHZ. 2018-10-11T23:55:18.52 0.1 undecidable manual P 5 0.0333 160 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:1.9 0.001373246 0.3328 AML other m 2018-10-11T23:55:20.72
IV.SEI.HHN. ML:2.3 0.0034379935 0.2432 AML other m 2018-10-11T23:55:20.12
IV.MOCL.EHN. ML:1.9 0.00076760625 0.1152 AML other m 2018-10-11T23:55:22.71
IV.MOCL.EHE. ML:2 0.00106654595 0.1152 AML other m 2018-10-11T23:55:22.46
IV.MPPT.EHE. ML:1.2 9.5087905E-5 0.2688 AML other m 2018-10-11T23:55:25.88
IV.MPPT.EHN. ML:1 6.642799E-5 0.3712 AML other m 2018-10-11T23:55:25.19
IV.RUFI.EHN. ML:0.8 4.0669385E-5 0.4608 AML other m 2018-10-11T23:55:31.46
IV.RUFI.EHE. ML:1 6.0496345E-5 0.1792 AML other m 2018-10-11T23:55:25.11
IV.FNVD.HHE. ML:1.4 0.000165577 0.2816 AML other m 2018-10-11T23:55:26.02
IV.FNVD.HHN. ML:1.5 0.00018640275 0.2944 AML other m 2018-10-11T23:55:26.61
IV.LMD.HHN. ML:1.6 0.00019724955 0.2432 AML other m 2018-10-11T23:55:26.80
IV.LMD.HHE. ML:1.2 8.8778445E-5 0.2304 AML other m 2018-10-11T23:55:28.58
IV.MTCR.EHE. ML:1.6 0.00018841685 0.2816 AML other m 2018-10-11T23:55:27.02
IV.MTCR.EHN. ML:1.7 0.0002362274 0.32 AML other m 2018-10-11T23:55:26.78
IV.BRIS.HNE. ML:1.6 0.0001255461 0.8832 AML other m 2018-10-11T23:55:35.74
IV.BRIS.HHE. ML:1.1 4.5057905E-5 0.7808 AML other m 2018-10-11T23:55:33.04
IV.BRIS.HNN. ML:1.8 0.0001985702 0.768 AML other m 2018-10-11T23:55:40.63
IV.BRIS.HHN. ML:1.2 5.0487615E-5 0.4864 AML other m 2018-10-11T23:55:36.64
GU.POPM.HHE. ML:1.4 7.2249125E-5 0.1408 AML other m 2018-10-11T23:55:32.65
GU.POPM.HHN. ML:1.6 0.00010168223 0.1664 AML other m 2018-10-11T23:55:32.61
IV.CSNT.HHE. ML:1.9 0.0001521207 0.6528 AML other m 2018-10-11T23:55:36.29
IV.CSNT.HHN. ML:1.6 7.4072175E-5 0.2816 AML other m 2018-10-11T23:55:37.15
IV.PII.HHN. ML:0.8 8.5066409E-6 0.4608 AML other m 2018-10-11T23:55:40.33
IV.PII.HHE. ML:1 1.7403065E-5 0.3072 AML other m 2018-10-11T23:55:42.37
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