Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 09-06-2020 and time 10:44:59 (UTC) in region 3 km NW Tredozio (FC)

A magnitude ML 1.0 earthquake occured in region: 3 km NW Tredozio (FC), on

  • 09-06-2020 10:44:59 (UTC)
  • 09-06-2020 12:44:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0980, 11.7120 at 27 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Tredozio FC 3 1212 1212
Marradi FI 8 3139 4351
Modigliana FC 9 4560 8911
Portico e San Benedetto FC 10 756 9667
Rocca San Casciano FC 11 1910 11577
Palazzuolo sul Senio FI 13 1154 12731
Premilcuore FC 14 799 13530
Dovadola FC 14 1653 15183
Brisighella RA 15 7639 22822
Casola Valsenio RA 16 2617 25439
Galeata FC 20 2516 27955
Riolo Terme RA 20 5720 33675

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Faenza (58541 inhabitants)
29 Km S of Imola (69797 inhabitants)
30 Km W of Forlì (117913 inhabitants)
43 Km W of Cesena (96758 inhabitants)
52 Km NE of Firenze (382808 inhabitants)
53 Km SW of Ravenna (159116 inhabitants)
53 Km SE of Bologna (386663 inhabitants)
55 Km E of Prato (191150 inhabitants)
57 Km NE of Scandicci (50609 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
68 Km W of Rimini (147750 inhabitants)
71 Km N of Arezzo (99543 inhabitants)
83 Km S of Ferrara (133155 inhabitants)
87 Km SE of Modena (184973 inhabitants)
92 Km NE of Siena (53903 inhabitants)
98 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 1.0 2020-06-09
10:44:59		 44.0978 11.7117 27 2020-06-09
10:52:40		 Sala Sismica INGV-Roma 80025951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-09 10:44:59 ± 0.39
Latitude 44.0978 ± 0.0153
Longitude 11.7117 ± 0.0288
Depth (km) 27 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80025951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1867
Semi-minor axis of confidence ellipse (meter) 1540
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 1870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 80025951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-09 10:52:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2020-06-09T10:45:11.05 0.3 undecidable manual S 153 23.9538 134 0.53 67
IV.VISG.HHZ. 2020-06-09T10:45:10.56 0.3 undecidable manual S 295 24.2535 133 -0.01 76
IV.BRIS.HHZ. 2020-06-09T10:45:09.32 0.3 undecidable manual S 17 14.6742 148 0.37 73
IV.LMD.HHZ. 2020-06-09T10:45:07.68 0.3 undecidable manual S 189 2.2977 175 -0.19 76
IV.MTRZ.HHN. 2020-06-09T10:45:07.52 0.3 undecidable manual P 316 33.0447 124 0.45 69
IV.SFI.EHZ. 2020-06-09T10:45:06.07 0.1 undecidable manual P 153 23.9538 134 0.09 100
IV.RONT.HHZ. 2020-06-09T10:45:06.47 0.3 undecidable manual P 243 25.0527 132 0.37 71
IV.ASQU.HHN. 2020-06-09T10:45:06.76 0.3 undecidable manual P 169 33.9438 123 -0.43 69
IV.VISG.HHZ. 2020-06-09T10:45:05.81 0.1 undecidable manual P 295 24.2535 133 -0.2 98
IV.LMD.HHZ. 2020-06-09T10:45:04.00 0.1 undecidable manual P 189 2.2977 175 -0.45 97
IV.BRIS.HHZ. 2020-06-09T10:45:04.88 0.1 undecidable manual P 17 14.6742 148 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.0 0.00005765 0.28 AML other m 2020-06-09T10:45:07.71
IV.LMD.HHN. ML:1.1 0.00006945 0.14 AML other m 2020-06-09T10:45:07.75
IV.SFI.EHN. ML:0.9 0.0000351 0.48 AML other m 2020-06-09T10:45:11.60
IV.SFI.EHE. ML:0.9 0.0000359 0.74 AML other m 2020-06-09T10:45:11.78
IV.VISG.HHN. ML:0.8 0.00002710649 0.4224 AML other m 2020-06-09T10:45:11.52
IV.VISG.HHE. ML:1.0 0.000039179644999999996 0.3776 AML other m 2020-06-09T10:45:10.81
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