Earthquake with magnitude of ML 1.0 on date 02-06-2020 and time 06:31:08 (Italy) in region 6 km N Marradi (FI)

A magnitude ML 1.0 earthquake occured in region: 6 km N Marradi (FI), on

  • 02-06-2020 04:31:08 (UTC)
  • 02-06-2020 06:31:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1280, 11.6210 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Marradi FI 6 3139 3139
Palazzuolo sul Senio FI 6 1154 4293
Casola Valsenio RA 11 2617 6910
Tredozio FC 11 1212 8122
Castel del Rio BO 13 1246 9368
Modigliana FC 14 4560 13928
Fontanelice BO 15 1943 15871
Brisighella RA 16 7639 23510
Borgo Tossignano BO 17 3288 26798
Portico e San Benedetto FC 17 756 27554
Riolo Terme RA 19 5720 33274
Casalfiumanese BO 19 3438 36712
Rocca San Casciano FC 19 1910 38622
Firenzuola FI 19 4726 43348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Imola (69797 inhabitants)
27 Km SW of Faenza (58541 inhabitants)
35 Km W of Forlì (117913 inhabitants)
47 Km SE of Bologna (386663 inhabitants)
49 Km NE of Firenze (382808 inhabitants)
50 Km W of Cesena (96758 inhabitants)
50 Km NE of Prato (191150 inhabitants)
54 Km NE of Scandicci (50609 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
60 Km E of Pistoia (90315 inhabitants)
76 Km W of Rimini (147750 inhabitants)
76 Km N of Arezzo (99543 inhabitants)
79 Km S of Ferrara (133155 inhabitants)
80 Km SE of Modena (184973 inhabitants)
93 Km N of Siena (53903 inhabitants)
93 Km SE of Carpi (70699 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
Bulletin
Rev1000
ML 1.0 2020-06-02
04:31:08
44.128 11.6208 10 2020-11-19
12:36:58
Bollettino Sismico Italiano INGV 82288361
Reviewed
Rev100
ML 1.1 2020-06-02
04:31:08
44.1275 11.6222 9 2020-06-02
04:47:36
Sala Sismica INGV-Roma 79812881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-02 04:31:08 ± 0.06
Latitude 44.1280 ± 0.0027
Longitude 11.6208 ± 0.0038
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82288361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.35253
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 19
Type of magnitude ML
Reference to an origin 82288361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-24 13:01:00

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 79812881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-02 04:47:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASQU.HHZ. 2020-06-02T04:31:22.20 0.3 undecidable manual S 160 39.1275 50 0.41 66
IV.RUFI.EHZ. 2020-06-02T04:31:20.20 0.3 undecidable manual S 195 33.3444 50 -0.06 72
IV.SFI.EHZ. 2020-06-02T04:31:19.60 0.3 undecidable manual S 144 30.6471 50 0.08 72
IV.RINC.HHZ. 2020-06-02T04:31:18.40 0.3 undecidable manual S 182 26.8509 110 -0.03 73
IV.SEI.HHZ. 2020-06-02T04:31:17.10 0.3 undecidable manual S 249 22.4553 113 0.08 73
IV.RONT.HHZ. 2020-06-02T04:31:16.90 0.3 undecidable manual S 225 21.1677 114 0.29 70
IV.RUFI.EHZ. 2020-06-02T04:31:15.22 0.3 undecidable manual P 195 33.3444 50 -0.09 71
IV.BRIS.HHZ. 2020-06-02T04:31:15.10 0.3 undecidable manual S 47 15.7731 121 0.14 73
IV.VISG.HHZ. 2020-06-02T04:31:15.10 0.3 undecidable manual S 295 16.2726 120 -0.02 75
IV.ASQU.HHZ. 2020-06-02T04:31:15.94 0.3 undecidable manual P 160 39.1275 50 -0.26 68
IV.RINC.HHZ. 2020-06-02T04:31:14.27 0.3 undecidable manual P 182 26.8509 110 0.01 73
IV.IMOL.EHZ. 2020-06-02T04:31:14.67 0.3 undecidable manual P 21 27.4503 109 0.29 69
IV.MTRZ.HHZ. 2020-06-02T04:31:14.29 0.6 undecidable manual P 323 25.752 110 0.23 47
IV.SFI.EHZ. 2020-06-02T04:31:14.61 0.3 undecidable manual P 144 30.6471 50 -0.28 69
IV.RONT.HHZ. 2020-06-02T04:31:13.32 0.1 undecidable manual P 225 21.1677 114 0.12 97
IV.LMD.HHZ. 2020-06-02T04:31:13.00 0.1 undecidable manual S 129 8.88 137 -0.08 100
IV.SEI.HHZ. 2020-06-02T04:31:13.27 0.1 undecidable manual P 249 22.4553 113 -0.17 95
IV.VISG.HHZ. 2020-06-02T04:31:12.07 0.1 undecidable manual P 295 16.2726 120 -0.27 94
IV.BRIS.HHZ. 2020-06-02T04:31:12.17 0.1 positive manual P 47 15.7731 121 -0.08 98
IV.LMD.HHZ. 2020-06-02T04:31:11.11 0.1 undecidable manual P 129 8.88 137 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.0 0.00010612797499999999 0.1024 AML other m 2020-06-02T04:31:13.14
IV.LMD.HHN. ML:0.0 0.00010595407 0.1408 AML other m 2020-06-02T04:31:14.23
IV.VISG.HHE. ML:0.0 0.0000711635 0.08 AML other m 2020-06-02T04:31:15.56
IV.VISG.HHN. ML:0.0 0.000097605655 0.0992 AML other m 2020-06-02T04:31:15.23
IV.BRIS.HHN. ML:0.0 0.00013107520000000002 0.16 AML other m 2020-06-02T04:31:15.73
IV.BRIS.HHE. ML:0.0 0.00020138915000000003 0.08 AML other m 2020-06-02T04:31:15.32
IV.SEI.HHN. ML:0.0 0.00030261780000000004 0.24 AML other m 2020-06-02T04:31:17.56
IV.SEI.HHE. ML:0.0 0.00008838419499999999 0.1824 AML other m 2020-06-02T04:31:17.75
IV.RONT.HHN. ML:0.0 0.00029519430000000003 0.1408 AML other m 2020-06-02T04:31:17.77
IV.RONT.HHE. ML:0.0 0.0002633556 0.1792 AML other m 2020-06-02T04:31:18.93
IV.SFI.EHE. ML:0.0 0.000014970735 0.1216 AML other m 2020-06-02T04:31:21.37
IV.SFI.EHN. ML:0.0 0.000015551065 0.1376 AML other m 2020-06-02T04:31:20.84
IV.SFI.HNE. ML:0.0 0.00013764139 0.9408 AML other m 2020-06-02T04:31:17.37
IV.IMOL.HNE. ML:0.0 0.000133857815 0.1408 AML other m 2020-06-02T04:31:20.88
IV.IMOL.HNN. ML:0.0 0.00006451373000000001 0.1408 AML other m 2020-06-02T04:31:21.32
IV.RUFI.EHE. ML:0.0 0.0000182721735 0.1792 AML other m 2020-06-02T04:31:20.67
IV.RUFI.EHN. ML:0.0 0.000011904374999999999 0.32 AML other m 2020-06-02T04:31:21.05
IV.ASQU.HHE. ML:0.0 0.000014082745000000001 0.2592 AML other m 2020-06-02T04:31:23.23
IV.ASQU.HHN. ML:0.0 0.000014139824999999998 0.1824 AML other m 2020-06-02T04:31:23.10
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