Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 01-06-2020 and time 13:05:56 (UTC) in region 6 km NE Palazzuolo sul Senio (FI)

A magnitude ML 1.4 earthquake occured in region: 6 km NE Palazzuolo sul Senio (FI), on

  • 01-06-2020 13:05:56 (UTC)
  • 01-06-2020 15:05:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1400, 11.6130 at 10 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 6 1154 1154
Marradi FI 7 3139 4293
Casola Valsenio RA 9 2617 6910
Castel del Rio BO 12 1246 8156
Tredozio FC 12 1212 9368
Fontanelice BO 14 1943 11311
Modigliana FC 15 4560 15871
Borgo Tossignano BO 15 3288 19159
Brisighella RA 16 7639 26798
Casalfiumanese BO 18 3438 30236
Riolo Terme RA 18 5720 35956
Portico e San Benedetto FC 19 756 36712
Firenzuola FI 19 4726 41438

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Imola (69797 inhabitants)
27 Km SW of Faenza (58541 inhabitants)
35 Km W of Forlì (117913 inhabitants)
45 Km SE of Bologna (386663 inhabitants)
50 Km NE of Firenze (382808 inhabitants)
50 Km W of Cesena (96758 inhabitants)
50 Km NE of Prato (191150 inhabitants)
55 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)
77 Km S of Ferrara (133155 inhabitants)
78 Km N of Arezzo (99543 inhabitants)
78 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)
100 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 1.4 2020-06-01
13:05:56		 44.1405 11.6133 10 2020-06-01
14:53:08		 Sala Sismica INGV-Roma 79788171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-01 13:05:56 ± 0.06
Latitude 44.1405 ± 0.0054
Longitude 11.6133 ± 0.0050
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79788171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 619
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
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) 91
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36602
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 79788171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-01 14:53:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRTC.HHZ. 2020-06-01T13:06:15.03 3.0 positive manual P -0.15 0
IV.ASQU.HHZ. 2020-06-01T13:06:10.29 0.6 undecidable manual S 160 40.626 50 0.3 45
IV.SFI.EHZ. 2020-06-01T13:06:07.71 0.6 undecidable manual S 144 32.1456 50 0 48
IV.RINC.HHZ. 2020-06-01T13:06:06.63 0.6 undecidable manual S 181 28.1496 50 -0.04 49
IV.SEI.HHZ. 2020-06-01T13:06:05.14 0.6 undecidable manual S 245 22.4553 115 0.07 49
IV.ASQU.HHZ. 2020-06-01T13:06:04.18 0.1 undecidable manual P 160 40.626 50 -0.11 94
IV.BRIS.HHZ. 2020-06-01T13:06:03.12 0.6 undecidable manual S 53 15.3735 124 0.21 48
IV.RUFI.EHZ. 2020-06-01T13:06:03.19 1.0 undecidable manual P 194 34.5432 50 -0.16 23
IV.SFI.EHZ. 2020-06-01T13:06:02.70 0.1 undecidable manual P 144 32.1456 50 -0.28 92
IV.VISG.HHZ. 2020-06-01T13:06:02.87 0.6 undecidable manual S 291 15.2736 124 -0.01 50
IV.RINC.HHZ. 2020-06-01T13:06:02.45 0.1 undecidable manual P 181 28.1496 50 0.08 96
IV.RONT.HHZ. 2020-06-01T13:06:01.74 0.1 undecidable manual P 221 21.7671 115 0.42 91
IV.MTRZ.HHE. 2020-06-01T13:06:01.75 0.1 undecidable manual P 322 24.2535 50 -0.02 97
IV.SEI.HHZ. 2020-06-01T13:06:01.36 0.1 undecidable manual P 245 22.4553 115 -0.09 97
IV.VISG.HHZ. 2020-06-01T13:06:00.13 0.1 undecidable manual P 291 15.2736 124 -0.05 99
IV.BRIS.HHZ. 2020-06-01T13:06:00.22 0.1 undecidable manual P 53 15.3735 124 0.02 100
IV.LMD.HHZ. 2020-06-01T13:05:59.20 1.0 undecidable manual P 133 10.2786 135 -0.21 24
IV.IMOL.EHZ. 2020-06-01T13:05:55.07 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHN. ML:1.5 0.00027449999999999995 1.32 AML other m 2020-06-01T13:06:02.31
IV.BRIS.HHN. ML:1.6 0.00040849999999999995 0.96 AML other m 2020-06-01T13:06:03.34
IV.BRIS.HHE. ML:1.8 0.000594 0.1 AML other m 2020-06-01T13:06:03.39
IV.VISG.HHE. ML:1.2 0.000167 1.52 AML other m 2020-06-01T13:06:03.84
IV.SEI.HHN. ML:2.0 0.0006594999999999999 0.28 AML other m 2020-06-01T13:06:05.64
IV.RONT.HHN. ML:2.0 0.0007355 0.36 AML other m 2020-06-01T13:06:05.87
IV.RONT.HHE. ML:1.9 0.0005945 1.8 AML other m 2020-06-01T13:06:07.94
IV.SEI.HHE. ML:1.5 0.000227 0.28 AML other m 2020-06-01T13:06:07.21
IV.RINC.HHN. ML:1.1 0.00006815 0.54 AML other m 2020-06-01T13:06:07.42
IV.RINC.HHE. ML:1.3 0.0000971 1.22 AML other m 2020-06-01T13:06:08.69
IV.SFI.EHE. ML:1.0 0.0000382 0.52 AML other m 2020-06-01T13:06:08.53
IV.SFI.EHN. ML:1.0 0.00004745 0.14 AML other m 2020-06-01T13:06:08.91
IV.ASQU.HHN. ML:1.0 0.0000369 1.56 AML other m 2020-06-01T13:06:11.98
IV.ASQU.HHE. ML:1.0 0.0000363 1.3 AML other m 2020-06-01T13:06:11.02
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