Earthquake with magnitude of ML 2.0 on date 18-08-2019 and time 15:50:22 (Italy) in region 4 km N Scarperia e San Piero (FI)

A magnitude ML 2.0 earthquake occured in region: 4 km N Scarperia e San Piero (FI), on

  • 18-08-2019 13:50:22 (UTC)
  • 18-08-2019 15:50:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9990, 11.3140 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
Scarperia e San Piero FI 4 12217 12217
Barberino di Mugello FI 6 10836 23053
Borgo San Lorenzo FI 8 18211 41264
Vaglia FI 10 5073 46337
Vernio PO 14 6060 52397
Vicchio FI 14 8044 60441
Firenzuola FI 14 4726 65167
Vaiano PO 16 9895 75062
Cantagallo PO 17 3105 78167
Calenzano FI 19 17489 95656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Prato (191150 inhabitants)
26 Km N of Firenze (382808 inhabitants)
29 Km NE of Scandicci (50609 inhabitants)
32 Km E of Pistoia (90315 inhabitants)
51 Km SW of Imola (69797 inhabitants)
55 Km S of Bologna (386663 inhabitants)
56 Km SW of Faenza (58541 inhabitants)
63 Km W of Forlì (117913 inhabitants)
67 Km E of Lucca (89046 inhabitants)
75 Km NW of Arezzo (99543 inhabitants)
76 Km N of Siena (53903 inhabitants)
76 Km W of Cesena (96758 inhabitants)
78 Km SE of Modena (184973 inhabitants)
80 Km E of Pisa (89158 inhabitants)
85 Km SW of Ravenna (159116 inhabitants)
86 Km E of Viareggio (62467 inhabitants)
94 Km SE of Carpi (70699 inhabitants)
94 Km E of Massa (69479 inhabitants)
95 Km NE of Livorno (159219 inhabitants)
95 Km SE of Reggio nell'Emilia (171345 inhabitants)
96 Km S of Ferrara (133155 inhabitants)
98 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 2.0 2019-08-18
13:50:22
43.9987 11.3137 8 2019-11-13
14:30:58
Bollettino Sismico Italiano INGV 71624411
Reviewed
Rev100
ML 2.0 2019-08-18
13:50:22
43.9987 11.3137 8 2019-08-18
14:00:22
Sala Sismica INGV-Roma 71606171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-18 13:50:22 ± 0.07
Latitude 43.9987 ± 0.0045
Longitude 11.3137 ± 0.0050
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 71624411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 483
Semi-minor axis of confidence ellipse (meter) 283
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 348
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63222
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 71624411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-19 12:20:15

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 71606171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-18 14:00:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2019-08-18T13:51:38.83 3.0 undecidable manual Sg 7.51 0
IV.CTI.HHZ. 2019-08-18T13:51:27.12 3.0 undecidable manual Sg 5.04 0
IV.CTI.HHZ. 2019-08-18T13:51:00.90 3.0 undecidable manual Pg 5.02 0
IV.RIBO.EHZ.01 2019-08-18T13:50:57.71 3.0 undecidable manual S -0.64 0
IV.OSSC.HHZ. 2019-08-18T13:50:40.29 0.3 undecidable manual S 186 53.0025 50 0.29 87
IV.PII.HHZ. 2019-08-18T13:50:35.21 0.3 undecidable manual P 244 70.1742 50 -0.14 87
IV.CRMI.HHZ. 2019-08-18T13:50:34.70 0.6 undecidable manual S 230 34.9428 50 -0.49 58
IV.CRE.HHZ. 2019-08-18T13:50:34.93 0.3 undecidable manual P 129 66.1893 50 0.18 87
IV.LMD.HHZ. 2019-08-18T13:50:34.13 0.3 undecidable manual S 74 32.5452 104 -0.27 91
IV.ZCCA.HHE. 2019-08-18T13:50:33.50 0.3 undecidable manual P 326 47.4192 50 1.65 48
IV.CSNT.HHZ. 2019-08-18T13:50:33.52 0.3 undecidable manual P 182 58.2972 50 -0.01 92
IV.BDI.HHZ. 2019-08-18T13:50:32.93 0.6 undecidable manual P 277 57.6978 50 -0.51 55
IV.OSSC.HHZ. 2019-08-18T13:50:32.69 0.3 undecidable manual P 186 53.0025 50 -0.02 92
IV.SFI.EHZ. 2019-08-18T13:50:31.24 0.3 undecidable manual P 104 43.8228 50 -0.06 93
IV.BRIS.HHZ. 2019-08-18T13:50:31.48 0.3 undecidable manual P 55 43.9227 50 0.17 91
GU.POPM.HHZ. 2019-08-18T13:50:31.00 0.3 undecidable manual P 277 44.7219 50 -0.43 86
IV.RUFI.EHZ. 2019-08-18T13:50:31.45 0.3 undecidable manual S 139 23.754 109 0.01 98
IV.ASQU.HHZ. 2019-08-18T13:50:31.34 0.3 undecidable manual P 120 44.1225 50 0 94
IT.FIE.HGZ. 2019-08-18T13:50:30.74 0.3 undecidable manual S 0.09 96
IV.MTRZ.HHE. 2019-08-18T13:50:30.30 0.6 undecidable manual P 14 35.9418 50 0.22 61
IV.MPPT.EHZ. 2019-08-18T13:50:29.67 0.3 undecidable manual S 256 18.3705 114 -0.06 98
IV.CRMI.HHZ. 2019-08-18T13:50:29.62 0.3 undecidable manual P 230 34.9428 50 -0.31 90
IV.LMD.HHZ. 2019-08-18T13:50:28.95 0.3 undecidable manual P 74 32.5452 104 -0.52 86
IV.RUFI.EHZ. 2019-08-18T13:50:27.92 0.3 undecidable manual P 139 23.754 109 0.16 95
IT.FIE.HGZ. 2019-08-18T13:50:27.50 0.3 undecidable manual P 0.19 94
IV.MOCL.EHZ. 2019-08-18T13:50:27.36 0.3 undecidable manual S 274 10.5783 127 -0.03 99
IV.MPPT.EHZ. 2019-08-18T13:50:26.88 0.3 undecidable manual P 256 18.3705 114 0.1 97
IV.SEI.HHZ. 2019-08-18T13:50:26.47 0.3 undecidable manual S 30 7.1928 139 -0.03 100
IV.MOCL.EHZ. 2019-08-18T13:50:25.59 0.3 undecidable manual P 274 10.5783 127 0.16 97
IV.SEI.HHZ. 2019-08-18T13:50:24.96 0.3 undecidable manual P 30 7.1928 139 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPPT.EHE. ML:2.2 0.0015249999999999999 0.18 AML other m 2019-08-18T13:50:30.34
IV.MPPT.EHN. ML:2.2 0.00121 0.22 AML other m 2019-08-18T13:50:30.74
IV.LMD.HHN. ML:1.9 0.0003497268 0.224 AML other m 2019-08-18T13:50:34.22
IV.LMD.HHE. ML:1.8 0.0002985 0.48 AML other m 2019-08-18T13:50:35.28
IV.CRMI.HHN. ML:1.8 0.00023203794999999999 0.32 AML other m 2019-08-18T13:50:35.56
IV.CRMI.HNE. ML:2.2 0.0006065 0.24 AML other m 2019-08-18T13:50:35.40
IV.CRMI.HHE. ML:1.8 0.00023050000000000002 0.24 AML other m 2019-08-18T13:50:35.28
IV.CRMI.HNN. ML:2.0 0.00045545975 0.2368 AML other m 2019-08-18T13:50:35.56
GU.POPM.HHN. ML:2.4 0.00082943785 0.224 AML other m 2019-08-18T13:50:37.94
GU.POPM.HHE. ML:2.3 0.0005815 0.14 AML other m 2019-08-18T13:50:38.47
IV.BRIS.HHN. ML:2.1 0.0004115 0.3 AML other m 2019-08-18T13:50:38.73
IV.BRIS.HNN. ML:2.1 0.000373 0.28 AML other m 2019-08-18T13:50:38.74
IV.BRIS.HHE. ML:1.9 0.0002615 0.26 AML other m 2019-08-18T13:50:38.72
IV.BDI.HHE. ML:2.0 0.000206 0.24 AML other m 2019-08-18T13:50:41.63
IV.BDI.HHN. ML:2.1 0.00028849999999999997 0.62 AML other m 2019-08-18T13:50:42.59
IV.BDI.HNN. ML:2.1 0.00027649999999999994 0.6 AML other m 2019-08-18T13:50:42.60
IV.CSNT.HHE. ML:2.0 0.000229 0.44 AML other m 2019-08-18T13:50:42.65
IV.BDI.HNE. ML:2.0 0.0002012161 0.2176 AML other m 2019-08-18T13:50:43.29
IV.CSNT.HHN. ML:2.0 0.00022649999999999998 0.5 AML other m 2019-08-18T13:50:45.74
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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