Earthquake with magnitude of ML 1.3 on date 27-04-2019 and time 00:21:18 (Italy) in region 6 km S Firenzuola (FI)

A magnitude ML 1.3 earthquake occured in region: 6 km S Firenzuola (FI), on

  • 26-04-2019 22:21:18 (UTC)
  • 27-04-2019 00:21:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.07, 11.37 at 8 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
Firenzuola FI 6 4726 4726
Scarperia e San Piero FI 12 12217 16943
Borgo San Lorenzo FI 13 18211 35154
Barberino di Mugello FI 13 10836 45990
Palazzuolo sul Senio FI 15 1154 47144
Vicchio FI 17 8044 55188
Vernio PO 17 6060 61248
Monghidoro BO 17 3749 64997
Castiglione dei Pepoli BO 19 5648 70645
Vaglia FI 19 5073 75718
Marradi FI 20 3139 78857
Castel del Rio BO 20 1246 80103
San Benedetto Val di Sambro BO 20 4315 84418

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Prato (191150 inhabitants)
34 Km N of Firenze (382808 inhabitants)
38 Km NE of Scandicci (50609 inhabitants)
39 Km E of Pistoia (90315 inhabitants)
42 Km SW of Imola (69797 inhabitants)
48 Km S of Bologna (386663 inhabitants)
48 Km SW of Faenza (58541 inhabitants)
56 Km W of Forlì (117913 inhabitants)
70 Km W of Cesena (96758 inhabitants)
73 Km SE of Modena (184973 inhabitants)
74 Km E of Lucca (89046 inhabitants)
77 Km SW of Ravenna (159116 inhabitants)
79 Km NW of Arezzo (99543 inhabitants)
83 Km N of Siena (53903 inhabitants)
87 Km E of Pisa (89158 inhabitants)
88 Km S of Ferrara (133155 inhabitants)
88 Km SE of Carpi (70699 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
92 Km E of Viareggio (62467 inhabitants)
96 Km W of Rimini (147750 inhabitants)
98 Km E of Massa (69479 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 1.3 2019-04-26
22:21:18
44.07 11.37 8 2019-08-22
08:25:00
Bollettino Sismico Italiano INGV 68810051
Rev 100 ML 1.5 2019-04-26
22:21:18
44.09 11.37 8 2019-04-26
22:26:36
Sala Sismica INGV-Roma 67998481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-26 22:21:18 ± 0.08
Latitude 44.07 ± 0.01
Longitude 11.37 ± 0.01
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68810051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 556
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 560
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
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) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.55578
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 68810051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-23 07:52:05

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 67998481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-26 22:26:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.BDI.HHZ. 2019-04-26T22:21:38.00 0.3 undecidable manual S 270 0.5558 50 -0.01 70
IV.SFI.EHZ. 2019-04-26T22:21:33.00 0.1 undecidable manual S 115 0.3804 50 0.2 92
IV.ASQU.HHZ. 2019-04-26T22:21:33.88 0.1 undecidable manual S 132 0.4056 50 0.32 90
IV.BRIS.HHZ. 2019-04-26T22:21:31.23 0.1 undecidable manual S 61 0.3247 50 0.07 96
IV.BDI.HHZ. 2019-04-26T22:21:29.50 0.1 positive manual P 270 0.5558 50 -0.26 88
IV.RUFI.EHZ. 2019-04-26T22:21:29.03 0.1 undecidable manual S 156 0.2509 107 0.45 90
IV.MTRZ.HNN. 2019-04-26T22:21:29.37 0.1 undecidable manual S 9 0.2473 107 0.91 75
IV.MTCR.EHZ. 2019-04-26T22:21:28.70 0.1 undecidable manual S 261 0.2671 106 -0.47 89
IV.LMD.HHZ. 2019-04-26T22:21:28.07 0.1 undecidable manual S 88 0.2428 107 -0.2 95
IV.MPPT.EHZ. 2019-04-26T22:21:27.86 0.1 undecidable manual S 241 0.2293 108 0.08 98
IV.FNVD.HHZ. 2019-04-26T22:21:27.11 0.1 undecidable manual S 299 0.2032 110 0.27 94
IV.ASQU.HHZ. 2019-04-26T22:21:27.03 0.1 positive manual P 132 0.4056 50 -0.16 93
IV.SFI.EHZ. 2019-04-26T22:21:26.45 0.1 undecidable manual P 115 0.3804 50 -0.29 91
IV.BRIS.HHZ. 2019-04-26T22:21:25.33 0.1 undecidable manual P 61 0.3247 50 -0.47 88
IV.MOCL.EHZ. 2019-04-26T22:21:25.20 0.1 undecidable manual S 245 0.1502 117 0.26 96
IV.MTCR.EHZ. 2019-04-26T22:21:24.52 0.1 negative manual P 261 0.2671 106 -0.13 96
IV.MTRZ.HNN. 2019-04-26T22:21:24.39 0.1 positive manual P 9 0.2473 107 0.15 96
IV.MPPT.EHZ. 2019-04-26T22:21:24.07 0.1 negative manual P 241 0.2293 108 0.22 95
IV.RUFI.EHZ. 2019-04-26T22:21:24.51 0.1 positive manual P 156 0.2509 107 0.19 95
IV.LMD.HHZ. 2019-04-26T22:21:23.67 0.1 negative manual P 88 0.2428 107 -0.46 90
IV.MOCL.EHZ. 2019-04-26T22:21:22.54 0.1 positive manual P 245 0.1502 117 0.32 94
IV.FNVD.HHZ. 2019-04-26T22:21:22.91 0.1 negative manual P 299 0.2032 110 -0.4 92
IV.SEI.HHZ. 2019-04-26T22:21:21.11 0.1 undecidable manual S 210 0.0162 168 -0.35 96
IV.SEI.HHZ. 2019-04-26T22:21:20.05 0.1 positive manual P 210 0.0162 168 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:0 0.0015631545 0.2688 AML other m 2019-04-26T22:21:21.40
IV.MOCL.EHN. ML:1.7 0.00049124995 0.2816 AML other m 2019-04-26T22:21:25.51
IV.MOCL.EHE. ML:1.7 0.0005390531 0.0768 AML other m 2019-04-26T22:21:25.37
IV.LMD.HHN. ML:1 5.6476305E-5 0.1152 AML other m 2019-04-26T22:21:28.45
IV.LMD.HHE. ML:1 4.9215875E-5 0.256 AML other m 2019-04-26T22:21:29.08
IV.MPPT.EHN. ML:1.1 7.3350535E-5 0.192 AML other m 2019-04-26T22:21:28.26
IV.MPPT.EHE. ML:1.2 8.9916795E-5 0.1792 AML other m 2019-04-26T22:21:28.06
IV.MTCR.EHE. ML:1.6 0.00019256805 0.2304 AML other m 2019-04-26T22:21:28.97
IV.MTCR.EHN. ML:1.4 0.000136294 0.2304 AML other m 2019-04-26T22:21:28.86
IV.BRIS.HHE. ML:1.5 0.00012977136 0.2176 AML other m 2019-04-26T22:21:31.53
IV.BRIS.HHN. ML:1.7 0.0002030168 0.2432 AML other m 2019-04-26T22:21:31.58
IV.SFI.EHE. ML:1.1 4.095784E-5 0.1408 AML other m 2019-04-26T22:21:33.58
IV.ASQU.HHN. ML:1.2 4.971639E-5 0.3968 AML other m 2019-04-26T22:21:34.25
IV.ASQU.HHE. ML:1.4 6.918562E-5 0.256 AML other m 2019-04-26T22:21:34.48
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