Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-06-2020 and time 19:49:29 (Italy) in region 5 km W Fontanelice (BO)

A magnitude ML 1.8 earthquake occured in region: 5 km W Fontanelice (BO), on

  • 19-06-2020 17:49:29 (UTC)
  • 19-06-2020 19:49:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2710, 11.4950 at 24 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fontanelice BO 5 1943 1943
Castel del Rio BO 6 1246 3189
Borgo Tossignano BO 8 3288 6477
Monterenzio BO 9 6035 12512
Casalfiumanese BO 10 3438 15950
Casola Valsenio RA 12 2617 18567
Loiano BO 14 4294 22861
Dozza BO 15 6652 29513
Monghidoro BO 15 3749 33262
Castel San Pietro Terme BO 16 20811 54073
Pianoro BO 18 17460 71533
Monzuno BO 18 6328 77861
Palazzuolo sul Senio FI 18 1154 79015
Riolo Terme RA 18 5720 84735
Firenzuola FI 19 4726 89461
Ozzano dell'Emilia BO 20 13596 103057
Imola BO 20 69797 172854

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Imola (69797 inhabitants)
28 Km SE of Bologna (386663 inhabitants)
31 Km W of Faenza (58541 inhabitants)
44 Km W of Forlì (117913 inhabitants)
54 Km NE of Prato (191150 inhabitants)
58 Km W of Ravenna (159116 inhabitants)
59 Km NE of Firenze (382808 inhabitants)
59 Km NE of Pistoia (90315 inhabitants)
61 Km W of Cesena (96758 inhabitants)
62 Km SE of Modena (184973 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
64 Km S of Ferrara (133155 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
83 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km W of Rimini (147750 inhabitants)
92 Km S of Rovigo (51867 inhabitants)
92 Km NE of Lucca (89046 inhabitants)
95 Km NW of Arezzo (99543 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 1.8 2020-06-19
17:49:29		 44.2712 11.4953 24 2020-11-19
12:37:05		 Bollettino Sismico Italiano INGV 84123731
Reviewed
Rev100 		ML 1.8 2020-06-19
17:49:29		 44.2575 11.5003 26 2020-06-19
18:02:17		 Sala Sismica INGV-Roma 80319861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-19 17:49:29 ± 0.37
Latitude 44.2712 ± 0.0144
Longitude 11.4953 ± 0.0138
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84123731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1245
Semi-minor axis of confidence ellipse (meter) 1106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 347
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 84123731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-25 16:51:54

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 80319861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-19 18:02:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRSN.EHZ. 2020-06-19T17:49:47.95 3.0 undecidable manual S 2.18 0
IV.CPGN.EHZ. 2020-06-19T17:49:46.00 3.0 undecidable manual P 1.24 0
IV.RINC.HHN. 2020-06-19T17:49:44.76 0.3 undecidable manual S 168 43.623 112 0.53 63
IV.FNVD.HHE. 2020-06-19T17:49:41.83 0.3 undecidable manual S 249 31.746 120 0.45 67
IV.SEI.HHZ. 2020-06-19T17:49:40.23 0.1 undecidable manual S 204 26.4513 126 0.05 97
IV.LMD.HHZ. 2020-06-19T17:49:40.39 0.1 undecidable manual S 142 27.3504 125 0.01 97
IV.RUFI.EHE. 2020-06-19T17:49:39.36 0.3 undecidable manual P 179 48.0186 109 0.72 58
IV.BRIS.HHZ. 2020-06-19T17:49:39.45 0.1 undecidable manual S 103 22.1556 132 0.15 94
IV.MPPT.EHN. 2020-06-19T17:49:38.79 0.3 undecidable manual P 223 47.4192 110 0.24 68
IV.ZCCA.HNE. 2020-06-19T17:49:38.12 3.0 undecidable manual P 0.45 0
IV.MTRZ.HHZ. 2020-06-19T17:49:37.81 0.1 undecidable manual S 310 7.2927 161 0.77 83
IV.RINC.HHN. 2020-06-19T17:49:37.86 0.3 undecidable manual P 168 43.623 112 -0.13 69
IV.FNVD.HHE. 2020-06-19T17:49:36.14 0.1 undecidable manual P 249 31.746 120 -0.2 92
IV.RONT.HHZ. 2020-06-19T17:49:36.65 0.1 undecidable manual P 189 31.2465 121 0.38 90
IV.VISG.HHZ. 2020-06-19T17:49:36.60 0.1 undecidable manual S 208 10.2786 154 -0.75 80
IV.SEI.HHZ. 2020-06-19T17:49:35.22 0.1 undecidable manual P 204 26.4513 126 -0.44 89
IV.LMD.HHZ. 2020-06-19T17:49:35.36 0.1 undecidable manual P 142 27.3504 125 -0.41 90
IV.BRIS.HHZ. 2020-06-19T17:49:34.87 0.1 positive manual P 103 22.1556 132 -0.27 94
IV.MTRZ.HHZ. 2020-06-19T17:49:33.80 0.1 undecidable manual P 310 7.2927 161 -0.04 100
IV.VISG.HHZ. 2020-06-19T17:49:33.40 0.1 positive manual P 208 10.2786 154 -0.62 85
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHN. ML:1.7 0.0002781443 0.0768 AML other m 2020-06-19T17:49:36.94
IV.VISG.HHE. ML:1.6 0.000273884585 0.1024 AML other m 2020-06-19T17:49:36.88
IV.MTRZ.HHE. ML:2.0 0.0006112145499999999 0.3456 AML other m 2020-06-19T17:49:39.62
IV.MTRZ.HNN. ML:1.9 0.0005506163 0.256 AML other m 2020-06-19T17:49:38.41
IV.MTRZ.HHN. ML:2.0 0.00063302165 0.2688 AML other m 2020-06-19T17:49:38.41
IV.MTRZ.HNE. ML:1.9 0.00058465825 0.3328 AML other m 2020-06-19T17:49:39.63
IV.BRIS.HNE. ML:1.3 0.00009720331000000002 0.5632 AML other m 2020-06-19T17:49:37.52
IV.BRIS.HHN. ML:2.0 0.0005118816 0.256 AML other m 2020-06-19T17:49:39.85
IV.BRIS.HNN. ML:1.7 0.0002242614 0.7808 AML other m 2020-06-19T17:49:44.18
IV.BRIS.HHE. ML:2.0 0.00048848435 0.448 AML other m 2020-06-19T17:49:39.90
IV.SEI.HHE. ML:1.6 0.00015894744999999999 0.3968 AML other m 2020-06-19T17:49:43.10
IV.SEI.HHN. ML:1.9 0.00034799425 0.1664 AML other m 2020-06-19T17:49:40.63
IV.LMD.HHE. ML:1.3 0.000076139445 0.384 AML other m 2020-06-19T17:49:40.84
IV.LMD.HHN. ML:1.4 0.00008919794999999999 0.1664 AML other m 2020-06-19T17:49:41.20
IV.RONT.HHN. ML:1.7 0.0001711962 0.3584 AML other m 2020-06-19T17:49:43.79
IV.RONT.HHE. ML:1.8 0.00021408925000000002 0.2176 AML other m 2020-06-19T17:49:44.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download