Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 01-06-2020 and time 11:45:09 (UTC) in region 4 km N Marradi (FI)

A magnitude ML 2.2 earthquake occured in region: 4 km N Marradi (FI), on

  • 01-06-2020 11:45:09 (UTC)
  • 01-06-2020 13:45:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1120, 11.6110 at 8 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.

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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
Marradi FI 4 3139 3139
Palazzuolo sul Senio FI 5 1154 4293
Tredozio FC 11 1212 5505
Casola Valsenio RA 13 2617 8122
Castel del Rio BO 14 1246 9368
Modigliana FC 15 4560 13928
Portico e San Benedetto FC 17 756 14684
Fontanelice BO 17 1943 16627
Brisighella RA 18 7639 24266
Firenzuola FI 19 4726 28992
Borgo Tossignano BO 19 3288 32280
Rocca San Casciano FC 19 1910 34190
Premilcuore FC 20 799 34989

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Imola (69797 inhabitants)
29 Km SW of Faenza (58541 inhabitants)
37 Km W of Forlì (117913 inhabitants)
48 Km NE of Firenze (382808 inhabitants)
48 Km SE of Bologna (386663 inhabitants)
48 Km NE of Prato (191150 inhabitants)
51 Km W of Cesena (96758 inhabitants)
52 Km NE of Scandicci (50609 inhabitants)
58 Km SW of Ravenna (159116 inhabitants)
59 Km E of Pistoia (90315 inhabitants)
75 Km NW of Arezzo (99543 inhabitants)
77 Km W of Rimini (147750 inhabitants)
81 Km SE of Modena (184973 inhabitants)
81 Km S of Ferrara (133155 inhabitants)
91 Km N of Siena (53903 inhabitants)
94 Km E of Lucca (89046 inhabitants)
94 Km SE of Carpi (70699 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 2.2 2020-06-01
11:45:09		 44.1125 11.6108 8 2020-11-19
12:36:48		 Bollettino Sismico Italiano INGV 80091351
Reviewed
Rev100 		ML 2.2 2020-06-01
11:45:09		 44.1277 11.617 10 2020-06-01
12:00:10		 Sala Sismica INGV-Roma 79782131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-01 11:45:09 ± 0.08
Latitude 44.1125 ± 0.0045
Longitude 11.6108 ± 0.0063
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80091351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 499
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.64751
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 80091351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-11 14:40:32

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 79782131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-01 12:00:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHE. 2020-06-01T11:45:33.13 1.0 undecidable manual S 135 71.8725 50 1.04 16
GU.POPM.HHZ. 2020-06-01T11:45:31.88 0.6 undecidable manual S 264 68.4759 50 0.71 38
IV.CRE.HHZ. 2020-06-01T11:45:29.32 0.6 undecidable manual S 153 61.1943 50 0.09 46
IV.BRSN.EHZ. 2020-06-01T11:45:25.85 0.6 undecidable manual S 63 41.9247 50 1.76 23
IV.MPPT.EHZ. 2020-06-01T11:45:25.14 0.3 undecidable manual S 248 44.9217 50 0.25 68
IV.FNVD.HHZ. 2020-06-01T11:45:23.45 0.3 undecidable manual S 279 39.3273 50 0.05 72
IV.PARC.HHE. 2020-06-01T11:45:23.16 1.0 undecidable manual P 135 71.8725 50 0.52 20
GU.POPM.HHZ. 2020-06-01T11:45:22.14 0.6 undecidable manual P 264 68.4759 50 0.03 46
IV.ASQU.HHZ. 2020-06-01T11:45:22.99 0.3 undecidable manual S 158 37.8288 50 -0.01 73
IV.RUFI.EHZ. 2020-06-01T11:45:21.01 0.3 undecidable manual S 195 31.5462 104 0.02 73
IV.FAEN.HNZ. 2020-06-01T11:45:21.36 0.3 undecidable manual S 47 28.8489 105 1.25 48
IV.IMOL.EHZ. 2020-06-01T11:45:21.19 0.3 undecidable manual S 21 29.3484 105 0.93 56
IV.SFI.EHZ. 2020-06-01T11:45:20.51 0.3 undecidable manual S 141 29.748 105 0.1 72
IV.MTRZ.HHZ. 2020-06-01T11:45:20.72 0.6 undecidable manual S 326 26.6511 106 1.34 30
IV.CRE.HHZ. 2020-06-01T11:45:20.84 0.1 undecidable manual P 153 61.1943 50 -0.15 90
IV.RINC.HHZ. 2020-06-01T11:45:19.24 0.3 undecidable manual S 181 25.0527 107 0.39 69
IV.BRSN.EHZ. 2020-06-01T11:45:18.05 0.3 undecidable manual P 63 41.9247 50 0.03 72
IV.MPPT.EHZ. 2020-06-01T11:45:18.27 0.1 undecidable manual P 248 44.9217 50 -0.22 92
IV.RONT.HHZ. 2020-06-01T11:45:17.95 0.3 undecidable manual S 227 19.3695 112 0.97 56
IT.FIE.HGE. 2020-06-01T11:45:17.83 0.6 undecidable manual P 217 42.2244 50 -0.24 46
IV.SEI.HHZ. 2020-06-01T11:45:17.81 0.3 undecidable manual S 252 21.1677 110 0.27 71
IV.FNVD.HHZ. 2020-06-01T11:45:16.94 0.1 undecidable manual P 279 39.3273 50 -0.68 81
IV.ASQU.HHZ. 2020-06-01T11:45:16.88 0.1 undecidable manual P 158 37.8288 50 -0.51 87
IV.FAEN.HNZ. 2020-06-01T11:45:15.65 0.1 undecidable manual P 47 28.8489 105 -0.07 97
IV.IMOL.EHZ. 2020-06-01T11:45:15.46 0.1 undecidable manual P 21 29.3484 105 -0.35 92
IV.VISG.HHZ. 2020-06-01T11:45:15.61 0.3 undecidable manual S 301 16.3725 116 -0.43 69
IV.SFI.EHZ. 2020-06-01T11:45:15.46 0.1 undecidable manual P 141 29.748 105 -0.43 90
IT.FAZ.HNZ. 2020-06-01T11:45:15.97 0.3 undecidable manual P 47 30.3474 105 -0.03 73
IV.BRIS.HHZ. 2020-06-01T11:45:15.89 0.3 undecidable manual S 45 17.5713 114 -0.51 68
IV.RINC.HHZ. 2020-06-01T11:45:15.03 0.1 undecidable manual P 181 25.0527 107 0.04 99
IV.RUFI.EHZ. 2020-06-01T11:45:15.97 0.1 positive manual P 195 31.5462 104 -0.26 93
IV.MTRZ.HHZ. 2020-06-01T11:45:15.31 0.1 undecidable manual P 326 26.6511 106 0.01 99
IV.SEI.HHZ. 2020-06-01T11:45:14.13 0.1 positive manual P 252 21.1677 110 -0.11 98
IV.RONT.HHZ. 2020-06-01T11:45:14.14 0.1 positive manual P 227 19.3695 112 0.23 96
IV.LMD.HHZ. 2020-06-01T11:45:13.94 0.3 undecidable manual S 117 8.5803 132 0.17 74
IV.BRIS.HHZ. 2020-06-01T11:45:13.00 0.1 positive manual P 45 17.5713 114 -0.58 88
IV.VISG.HHZ. 2020-06-01T11:45:12.93 0.1 positive manual P 301 16.3725 116 -0.44 92
IV.LMD.HHZ. 2020-06-01T11:45:11.95 0.1 undecidable manual P 117 8.5803 132 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:2.3 0.002952939 0.1216 AML other m 2020-06-01T11:45:14.88
IV.LMD.HHN. ML:2.3 0.0032817034999999997 0.16 AML other m 2020-06-01T11:45:15.35
IV.VISG.HHN. ML:2.5 0.0033381015 0.1024 AML other m 2020-06-01T11:45:16.09
IV.BRIS.HHN. ML:2.7 0.004072442 0.1216 AML other m 2020-06-01T11:45:16.09
IV.BRIS.HHE. ML:2.8 0.006175608499999999 0.1024 AML other m 2020-06-01T11:45:16.15
IV.VISG.HHE. ML:2.3 0.0018943555 0.1152 AML other m 2020-06-01T11:45:16.62
IV.BRIS.HNE. ML:1.0 0.000101016125 0.5312 AML other m 2020-06-01T11:45:17.88
IV.BRIS.HNN. ML:1.4 0.00022823955 0.8896 AML other m 2020-06-01T11:45:18.53
IV.RINC.HHE. ML:2.1 0.0007829817999999999 0.3392 AML other m 2020-06-01T11:45:21.08
IV.RUFI.EHN. ML:1.7 0.0002289372 0.3648 AML other m 2020-06-01T11:45:21.43
IV.SFI.HNE. ML:1.8 0.00035056025 0.1408 AML other m 2020-06-01T11:45:21.27
IV.SFI.EHE. ML:1.9 0.00035774025 0.1408 AML other m 2020-06-01T11:45:21.27
IV.RUFI.EHE. ML:1.9 0.00039334345000000004 0.2944 AML other m 2020-06-01T11:45:21.50
IV.SFI.HNN. ML:2.0 0.0005497094499999999 0.1408 AML other m 2020-06-01T11:45:21.64
IV.SFI.EHN. ML:2.0 0.0005542490500000001 0.1408 AML other m 2020-06-01T11:45:21.65
IV.IMOL.HNE. ML:2.6 0.0019315365 0.1792 AML other m 2020-06-01T11:45:22.12
IV.IMOL.HNN. ML:2.6 0.002159649 0.2688 AML other m 2020-06-01T11:45:22.23
IV.MTRZ.HHE. ML:2.3 0.001162225 0.4544 AML other m 2020-06-01T11:45:22.50
IV.MTRZ.HNE. ML:2.3 0.0011184725000000003 0.4544 AML other m 2020-06-01T11:45:22.50
IV.MTRZ.HHN. ML:2.5 0.001653362 0.2176 AML other m 2020-06-01T11:45:22.54
IV.MTRZ.HNN. ML:2.4 0.0015558925 0.2176 AML other m 2020-06-01T11:45:22.54
IV.RINC.HHN. ML:2.0 0.0006775786 0.3584 AML other m 2020-06-01T11:45:23.26
IV.FNVD.HHE. ML:2.4 0.00093663155 1.8592 AML other m 2020-06-01T11:45:24.95
IV.ASQU.HHE. ML:1.9 0.00032096545 0.224 AML other m 2020-06-01T11:45:24.42
IV.FNVD.HHN. ML:2.4 0.00096178375 0.1216 AML other m 2020-06-01T11:45:24.48
IV.ASQU.HHN. ML:2.0 0.00039438325 0.2624 AML other m 2020-06-01T11:45:24.72
IV.CRE.HHN. ML:2.0 0.00019761424999999999 0.32 AML other m 2020-06-01T11:45:32.16
IV.CRE.HHE. ML:1.8 0.00012965189999999998 0.3008 AML other m 2020-06-01T11:45:33.39
GU.POPM.HHE. ML:1.9 0.00014198559999999998 0.224 AML other m 2020-06-01T11:45:34.44
GU.POPM.HHN. ML:2.1 0.00021368969999999997 0.2752 AML other m 2020-06-01T11:45:34.45
IV.PII.HHN. ML:2.1 0.0001320826 0.2624 AML other m 2020-06-01T11:45:41.71
IV.PII.HHE. ML:2.0 0.00011312457000000001 0.3776 AML other m 2020-06-01T11:45:41.81
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
Waveforms Seismic signals in miniseed + resp format Download