Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 07-06-2020 and time 22:46:31 (UTC) in region 3 km W Portico e San Benedetto (FC)

A magnitude ML 0.7 earthquake occured in region: 3 km W Portico e San Benedetto (FC), on

  • 07-06-2020 22:46:31 (UTC)
  • 08-06-2020 00:46:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0340, 11.7400 at 4 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Portico e San Benedetto FC 3 756 756
Tredozio FC 5 1212 1968
Premilcuore FC 7 799 2767
Rocca San Casciano FC 9 1910 4677
Marradi FI 11 3139 7816
Galeata FC 14 2516 10332
Modigliana FC 14 4560 14892
San Godenzo FI 15 1167 16059
Dovadola FC 15 1653 17712
Civitella di Romagna FC 16 3786 21498
Santa Sofia FC 17 4136 25634
Palazzuolo sul Senio FI 18 1154 26788

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Faenza (58541 inhabitants)
32 Km SW of Forlì (117913 inhabitants)
36 Km S of Imola (69797 inhabitants)
42 Km W of Cesena (96758 inhabitants)
49 Km NE of Firenze (382808 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
54 Km E of Prato (191150 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
60 Km SE of Bologna (386663 inhabitants)
64 Km N of Arezzo (99543 inhabitants)
66 Km W of Rimini (147750 inhabitants)
67 Km E of Pistoia (90315 inhabitants)
86 Km NE of Siena (53903 inhabitants)
90 Km S of Ferrara (133155 inhabitants)
94 Km SE of Modena (184973 inhabitants)
95 Km W of Pesaro (94582 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
Reviewed
Rev100 		ML 0.7 2020-06-07
22:46:31		 44.0338 11.7403 4 2020-06-07
22:54:31		 Sala Sismica INGV-Roma 79985201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-07 22:46:31 ± 0.21
Latitude 44.0338 ± 0.0054
Longitude 11.7403 ± 0.0100
Depth (km) 4 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79985201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 798
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.27519
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 79985201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-07 22:54:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2020-06-07T22:46:42.18 0.6 undecidable manual S 274 30.5472 98 0.06 49
IV.RONT.HHZ. 2020-06-07T22:46:41.01 0.3 undecidable manual S 260 24.9528 99 0.81 60
IV.VISG.HHE. 2020-06-07T22:46:41.90 0.3 undecidable manual S 305 29.8479 98 0.02 74
IV.ASQU.HHE. 2020-06-07T22:46:40.94 0.3 undecidable manual S 172 26.5512 99 0.17 72
IV.BRIS.HHZ. 2020-06-07T22:46:39.90 0.3 undecidable manual S 6 21.2676 101 0.96 56
IV.RINC.HHZ. 2020-06-07T22:46:38.72 0.3 undecidable manual S 213 19.4694 102 0.37 70
IV.SFI.EHZ. 2020-06-07T22:46:37.54 0.3 undecidable manual S 149 16.6722 104 0.16 74
IV.SEI.HHZ. 2020-06-07T22:46:37.13 0.1 undecidable manual P 274 30.5472 98 -0.47 90
IV.ASQU.HHE. 2020-06-07T22:46:36.49 0.1 undecidable manual P 172 26.5512 99 -0.33 93
IV.VISG.HHE. 2020-06-07T22:46:36.94 0.3 undecidable manual P 305 29.8479 98 -0.53 66
IV.RONT.HHZ. 2020-06-07T22:46:36.42 0.1 undecidable manual P 260 24.9528 99 -0.07 99
IV.RINC.HHZ. 2020-06-07T22:46:35.37 0.1 undecidable manual P 213 19.4694 102 -0.05 100
IV.BRIS.HHZ. 2020-06-07T22:46:35.92 0.1 undecidable manual P 6 21.2676 101 0.16 98
IV.SFI.EHZ. 2020-06-07T22:46:34.74 0.1 undecidable manual P 149 16.6722 104 -0.12 99
IV.LMD.HHZ. 2020-06-07T22:46:33.58 0.3 undecidable manual S 331 5.4945 126 -0.23 74
IV.LMD.HHZ. 2020-06-07T22:46:32.53 0.1 positive manual P 331 5.4945 126 -0.27 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.0 0.00016149035 0.1664 AML other m 2020-06-07T22:46:33.66
IV.LMD.HHN. ML:0.0 0.00011357575000000001 0.256 AML other m 2020-06-07T22:46:34.43
IV.SFI.EHE. ML:0.2 0.0000154726785 0.3584 AML other m 2020-06-07T22:46:37.63
IV.SFI.EHN. ML:0.2 0.000014282775 0.064 AML other m 2020-06-07T22:46:38.60
IV.RONT.HHE. ML:1.0 0.00007034903500000001 0.128 AML other m 2020-06-07T22:46:41.24
IV.RONT.HHN. ML:1.2 0.00009368731 0.128 AML other m 2020-06-07T22:46:41.37
IV.SEI.HHN. ML:0.8 0.00003727353 0.192 AML other m 2020-06-07T22:46:42.57
IV.SEI.HHE. ML:0.5 0.000013769037000000001 0.2816 AML other m 2020-06-07T22:46:42.67
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