Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 02-06-2020 and time 06:58:02 (UTC) in region 6 km E Palazzuolo sul Senio (FI)

A magnitude ML 0.4 earthquake occured in region: 6 km E Palazzuolo sul Senio (FI), on

  • 02-06-2020 06:58:02 (UTC)
  • 02-06-2020 08:58:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1360, 11.6120 at 8 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
Palazzuolo sul Senio FI 6 1154 1154
Marradi FI 7 3139 4293
Casola Valsenio RA 10 2617 6910
Castel del Rio BO 12 1246 8156
Tredozio FC 12 1212 9368
Fontanelice BO 14 1943 11311
Modigliana FC 15 4560 15871
Brisighella RA 16 7639 23510
Borgo Tossignano BO 16 3288 26798
Casalfiumanese BO 18 3438 30236
Riolo Terme RA 18 5720 35956
Portico e San Benedetto FC 18 756 36712
Firenzuola FI 19 4726 41438

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Imola (69797 inhabitants)
27 Km SW of Faenza (58541 inhabitants)
36 Km W of Forlì (117913 inhabitants)
45 Km SE of Bologna (386663 inhabitants)
50 Km NE of Firenze (382808 inhabitants)
50 Km NE of Prato (191150 inhabitants)
50 Km W of Cesena (96758 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
60 Km E of Pistoia (90315 inhabitants)
77 Km W of Rimini (147750 inhabitants)
78 Km N of Arezzo (99543 inhabitants)
78 Km S of Ferrara (133155 inhabitants)
79 Km SE of Modena (184973 inhabitants)
92 Km SE of Carpi (70699 inhabitants)
94 Km N of Siena (53903 inhabitants)
95 Km E of Lucca (89046 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 0.4 2020-06-02
06:58:02		 44.1362 11.6123 8 2020-06-02
07:03:11		 Sala Sismica INGV-Roma 79817671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-02 06:58:02 ± 0.21
Latitude 44.1362 ± 0.0036
Longitude 11.6123 ± 0.0050
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79817671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.24911
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 79817671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-02 07:03:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RINC.HHE. 2020-06-02T06:58:12.79 0.3 undecidable manual S 181 27.6501 106 -0.08 72
IV.SEI.HHZ. 2020-06-02T06:58:11.25 0.3 undecidable manual S 246 22.1556 110 0.21 71
IV.RINC.HHE. 2020-06-02T06:58:09.11 0.6 undecidable manual P 181 27.6501 106 0.47 44
IV.BRIS.HHZ. 2020-06-02T06:58:09.19 0.3 undecidable manual S 51 15.6732 117 0.2 72
IV.VISG.HHZ. 2020-06-02T06:58:08.87 0.1 undecidable manual S 293 15.3735 118 0 100
IV.LMD.HHZ. 2020-06-02T06:58:07.28 0.1 undecidable manual S 131 9.9789 129 -0.03 100
IV.SEI.HHZ. 2020-06-02T06:58:07.42 0.3 undecidable manual P 246 22.1556 110 -0.16 72
IV.BRIS.HHZ. 2020-06-02T06:58:06.33 0.1 positive manual P 51 15.6732 117 -0.06 98
IV.VISG.HHZ. 2020-06-02T06:58:06.18 0.3 positive manual P 293 15.3735 118 -0.15 73
IV.LMD.HHZ. 2020-06-02T06:58:05.30 0.1 undecidable manual P 131 9.9789 129 -0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.2 0.000024750000000000002 0.42 AML other m 2020-06-02T06:58:07.35
IV.LMD.HHN. ML:0.2 0.0000194 0.86 AML other m 2020-06-02T06:58:07.38
IV.VISG.HHN. ML:0.5 0.000030600000000000005 1.28 AML other m 2020-06-02T06:58:08.29
IV.VISG.HHE. ML:0.3 0.0000202 0.78 AML other m 2020-06-02T06:58:09.17
IV.BRIS.HHE. ML:0.8 0.0000606 0.3 AML other m 2020-06-02T06:58:09.44
IV.BRIS.HHN. ML:0.6 0.00003875 0.62 AML other m 2020-06-02T06:58:12.53
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