Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 20-06-2019 and time 09:33:45 (Italy) in region 7 km NW Fontanelice (BO)

A magnitude ML 2.1 earthquake occured in region: 7 km NW Fontanelice (BO), on

  • 20-06-2019 07:33:45 (UTC)
  • 20-06-2019 09:33:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3060, 11.4960 at 29 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 7 1943 1943
Monterenzio BO 8 6035 7978
Borgo Tossignano BO 8 3288 11266
Casalfiumanese BO 10 3438 14704
Castel del Rio BO 10 1246 15950
Dozza BO 12 6652 22602
Castel San Pietro Terme BO 13 20811 43413
Casola Valsenio RA 14 2617 46030
Loiano BO 14 4294 50324
Pianoro BO 15 17460 67784
Ozzano dell'Emilia BO 16 13596 81380
Monghidoro BO 17 3749 85129
Monzuno BO 18 6328 91457
Imola BO 18 69797 161254
Riolo Terme RA 19 5720 166974
San Lazzaro di Savena BO 20 32065 199039

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of Imola (69797 inhabitants)
24 Km SE of Bologna (386663 inhabitants)
31 Km W of Faenza (58541 inhabitants)
44 Km W of Forlì (117913 inhabitants)
57 Km NE of Prato (191150 inhabitants)
57 Km W of Ravenna (159116 inhabitants)
59 Km SE of Modena (184973 inhabitants)
60 Km S of Ferrara (133155 inhabitants)
62 Km NE of Pistoia (90315 inhabitants)
62 Km W of Cesena (96758 inhabitants)
63 Km NE of Firenze (382808 inhabitants)
66 Km NE of Scandicci (50609 inhabitants)
72 Km SE of Carpi (70699 inhabitants)
81 Km SE of Reggio nell'Emilia (171345 inhabitants)
88 Km S of Rovigo (51867 inhabitants)
90 Km W of Rimini (147750 inhabitants)
94 Km NE of Lucca (89046 inhabitants)
98 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 2.1 2019-06-20
07:33:45		 44.3057 11.4957 29 2019-11-13
14:30:54		 Bollettino Sismico Italiano INGV 70593851
Reviewed
Rev100 		ML 2.1 2019-06-20
07:33:46		 44.3018 11.5112 27 2019-06-20
07:45:13		 Sala Sismica INGV-Roma 69726901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-20 07:33:45 ± 0.31
Latitude 44.3057 ± 0.0144
Longitude 11.4957 ± 0.0113
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70593851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1170
Semi-minor axis of confidence ellipse (meter) 1084
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.63042
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 70593851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-02 09:52:40

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 69726901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-20 07:45:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRMI.HHE. 2019-06-20T07:34:08.83 0.6 undecidable manual S 216 69.9744 108 1.05 34
IV.SFI.EHZ. 2019-06-20T07:34:03.99 0.6 undecidable manual S 148 52.503 114 0.57 43
IV.MTCR.EHZ. 2019-06-20T07:34:03.04 0.6 undecidable manual S 232 49.9167 115 0.26 46
IV.MOCL.EHZ. 2019-06-20T07:34:00.93 0.3 undecidable manual S 217 41.7249 120 0.09 72
IV.CRMI.HHE. 2019-06-20T07:33:58.94 0.6 undecidable manual P 216 69.9744 108 0.42 43
IV.LMD.HHZ. 2019-06-20T07:33:58.11 0.3 undecidable manual S 146 30.3474 130 -0.24 71
IV.BRIS.HHZ. 2019-06-20T07:33:57.11 0.1 undecidable manual S 113 23.3544 138 0.13 98
IV.SEI.HHZ. 2019-06-20T07:33:57.45 0.3 undecidable manual S 201 29.9478 130 -0.8 59
IV.SFI.EHZ. 2019-06-20T07:33:56.14 0.3 undecidable manual P 148 52.503 114 0.13 71
IV.MPPT.EHZ. 2019-06-20T07:33:56.05 0.3 undecidable manual P 220 50.3163 115 0.35 68
IV.MTRZ.HHZ. 2019-06-20T07:33:55.12 0.3 undecidable manual S 278 5.6943 168 0.34 72
IV.RUFI.EHZ. 2019-06-20T07:33:55.55 0.1 undecidable manual P 179 51.9036 114 -0.36 88
IV.MTCR.EHZ. 2019-06-20T07:33:55.92 0.3 undecidable manual P 232 49.9167 115 0.28 68
IV.MOCL.EHZ. 2019-06-20T07:33:54.28 0.3 undecidable manual P 217 41.7249 120 -0.24 70
IV.SEI.HHZ. 2019-06-20T07:33:52.61 0.3 undecidable manual P 201 29.9478 130 -0.41 68
IV.IMOL.HNZ. 2019-06-20T07:33:52.20 0.1 undecidable manual P 73 20.4684 142 0.19 97
IV.LMD.HHZ. 2019-06-20T07:33:52.87 0.1 undecidable manual P 146 30.3474 130 -0.21 95
IV.BRIS.HHZ. 2019-06-20T07:33:52.12 0.1 undecidable manual P 113 23.3544 138 -0.17 98
IV.MTRZ.HHZ. 2019-06-20T07:33:50.78 0.1 undecidable manual P 278 5.6943 168 -0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRZ.HHN. ML:2.5 0.00183 0.6 AML other m 2019-06-20T07:33:55.31
IV.MTRZ.HNN. ML:2.5 0.001765 0.62 AML other m 2019-06-20T07:33:55.31
IV.MTRZ.HHE. ML:2.3 0.0010055 1.12 AML other m 2019-06-20T07:33:56.68
IV.MTRZ.HNE. ML:2.3 0.0009605 1.1 AML other m 2019-06-20T07:33:56.68
IV.BRIS.HHN. ML:2.2 0.0005620000000000001 0.5 AML other m 2019-06-20T07:33:57.42
IV.BRIS.HHE. ML:2.1 0.000475 0.14 AML other m 2019-06-20T07:33:57.52
IV.SEI.HHN. ML:2.4 0.000957 0.18 AML other m 2019-06-20T07:33:58.14
IV.SEI.HHE. ML:2.2 0.0004925 0.4 AML other m 2019-06-20T07:33:58.47
IV.LMD.HHE. ML:1.9 0.0002825 0.96 AML other m 2019-06-20T07:33:58.01
IV.LMD.HHN. ML:2.1 0.0004235 0.26 AML other m 2019-06-20T07:33:58.72
IV.MOCL.EHN. ML:1.5 0.0000868 0.52 AML other m 2019-06-20T07:34:01.35
IV.MOCL.EHE. ML:1.5 0.00008535000000000001 0.32 AML other m 2019-06-20T07:34:01.35
IV.MPPT.EHE. ML:1.3 0.0000408 1.48 AML other m 2019-06-20T07:34:03.90
IV.MPPT.EHN. ML:1.4 0.00005075 0.2 AML other m 2019-06-20T07:34:04.16
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
Waveforms Seismic signals in miniseed + resp format Download