Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 01-06-2020 and time 14:57:06 (UTC) in region 6 km NE Palazzuolo sul Senio (FI)

A magnitude ML 0.8 earthquake occured in region: 6 km NE Palazzuolo sul Senio (FI), on

  • 01-06-2020 14:57:06 (UTC)
  • 01-06-2020 16:57:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1500, 11.6110 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
Palazzuolo sul Senio FI 7 1154 1154
Marradi FI 8 3139 4293
Casola Valsenio RA 8 2617 6910
Castel del Rio BO 11 1246 8156
Fontanelice BO 13 1943 10099
Tredozio FC 13 1212 11311
Borgo Tossignano BO 14 3288 14599
Modigliana FC 15 4560 19159
Brisighella RA 15 7639 26798
Casalfiumanese BO 17 3438 30236
Riolo Terme RA 17 5720 35956
Firenzuola FI 19 4726 40682
Portico e San Benedetto FC 19 756 41438

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Imola (69797 inhabitants)
27 Km SW of Faenza (58541 inhabitants)
35 Km W of Forlì (117913 inhabitants)
44 Km SE of Bologna (386663 inhabitants)
51 Km W of Cesena (96758 inhabitants)
51 Km NE of Prato (191150 inhabitants)
51 Km NE of Firenze (382808 inhabitants)
55 Km NE of Scandicci (50609 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
60 Km E of Pistoia (90315 inhabitants)
76 Km S of Ferrara (133155 inhabitants)
77 Km W of Rimini (147750 inhabitants)
78 Km SE of Modena (184973 inhabitants)
79 Km N of Arezzo (99543 inhabitants)
91 Km SE of Carpi (70699 inhabitants)
95 Km E of Lucca (89046 inhabitants)
95 Km N of Siena (53903 inhabitants)
99 Km SE of Reggio nell'Emilia (171345 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 0.8 2020-06-01
14:57:06		 44.1503 11.6108 4 2020-06-01
15:15:27		 Sala Sismica INGV-Roma 79788821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-01 14:57:06 ± 0.28
Latitude 44.1503 ± 0.0054
Longitude 11.6108 ± 0.0075
Depth (km) 4 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79788821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26350
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 79788821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-01 15:15:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HHZ. 2020-06-01T14:58:55.30 3.0 undecidable manual Sn -2.41 0
IV.OVO.HHZ. 2020-06-01T14:58:52.85 3.0 undecidable manual Sn -0.04 0
IV.PTRJ.HHZ. 2020-06-01T14:58:42.03 3.0 undecidable manual Sn -1.21 0
IV.ROSPO.HHZ. 2020-06-01T14:58:36.08 3.0 undecidable manual Sn 3.46 0
IT.GLNS.HNZ. 2020-06-01T14:58:34.79 3.0 undecidable manual Sn -2.97 0
IV.AMUR.HHZ. 2020-06-01T14:58:20.57 3.0 undecidable manual Pn 0.96 0
IV.MNTT.EHZ. 2020-06-01T14:58:03.44 3.0 undecidable manual Sn 2.24 0
IV.FREG.EHZ. 2020-06-01T14:58:01.58 3.0 undecidable manual Sn -1.49 0
IV.MMO1.EHZ. 2020-06-01T14:57:38.71 3.0 undecidable manual Pg 2.23 0
IV.NARO.HHZ. 2020-06-01T14:57:35.69 3.0 undecidable manual S -1.71 0
IV.RIBO.EHZ.01 2020-06-01T14:57:31.74 3.0 positive manual P 1.69 0
IV.CAVE.HHZ. 2020-06-01T14:57:29.67 3.0 undecidable manual S -5.38 0
IV.PESA.HHZ. 2020-06-01T14:57:21.82 3.0 undecidable manual Pg -1.92 0
IV.RINC.HHE. 2020-06-01T14:57:16.20 0.6 undecidable manual S 181 29.2485 97 -0.22 47
IV.SEI.HHZ. 2020-06-01T14:57:14.15 0.6 undecidable manual S 242 22.755 99 -0.03 50
IV.RONT.HHZ. 2020-06-01T14:57:14.50 0.6 undecidable manual S 219 22.4553 99 0.43 46
IV.RINC.HHE. 2020-06-01T14:57:12.67 0.1 undecidable manual P 181 29.2485 97 0.57 87
IV.VISG.HHZ. 2020-06-01T14:57:11.69 0.6 undecidable manual S 287 14.6742 103 0.26 48
IV.BRIS.HHZ. 2020-06-01T14:57:11.99 0.6 undecidable manual S 56 14.874 103 0.5 46
IV.LMD.HHZ. 2020-06-01T14:57:10.06 0.6 undecidable manual S 137 11.1777 107 -0.19 49
IV.SEI.HHZ. 2020-06-01T14:57:10.33 0.6 negative manual P 242 22.755 99 -0.48 45
IV.RONT.HHZ. 2020-06-01T14:57:10.63 0.1 undecidable manual P 219 22.4553 99 -0.11 98
IV.MTRZ.HNE. 2020-06-01T14:57:10.91 0.1 undecidable manual P 321 23.3544 98 0 100
IV.VISG.HHZ. 2020-06-01T14:57:09.03 0.1 undecidable manual P 287 14.6742 103 -0.18 98
IV.BRIS.HHZ. 2020-06-01T14:57:09.09 0.1 undecidable manual P 56 14.874 103 -0.16 98
IV.LMD.HHZ. 2020-06-01T14:57:08.14 0.6 undecidable manual P 137 11.1777 107 -0.39 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.6 0.0000628 0.54 AML other m 2020-06-01T14:57:10.40
IV.LMD.HHN. ML:0.5 0.00005275000000000001 0.24 AML other m 2020-06-01T14:57:10.59
IV.BRIS.HHN. ML:0.9 0.00009855 0.2 AML other m 2020-06-01T14:57:12.35
IV.BRIS.HHE. ML:1.1 0.00016 0.28 AML other m 2020-06-01T14:57:12.25
IV.VISG.HHN. ML:0.5 0.0000399 1.14 AML other m 2020-06-01T14:57:12.17
IV.VISG.HHE. ML:0.4 0.000029150000000000004 0.94 AML other m 2020-06-01T14:57:12.84
IV.SEI.HHN. ML:1.2 0.00010449999999999999 0.28 AML other m 2020-06-01T14:57:14.66
IV.SEI.HHE. ML:0.8 0.000047600000000000005 0.5 AML other m 2020-06-01T14:57:15.01
IV.BRIS.HNE. ML:1.0 0.00011421530000000001 2.0224 AML other m 2020-06-01T14:57:11.95
IV.BRIS.HNN. ML:1.0 0.00012004806999999999 0.7168 AML other m 2020-06-01T14:57:12.24
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