Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 02-06-2020 and time 00:45:23 (UTC) in region 5 km N Marradi (FI)

A magnitude ML 2.0 earthquake occured in region: 5 km N Marradi (FI), on

  • 02-06-2020 00:45:23 (UTC)
  • 02-06-2020 02:45:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1240, 11.6140 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 5 3139 3139
Palazzuolo sul Senio FI 5 1154 4293
Casola Valsenio RA 11 2617 6910
Tredozio FC 12 1212 8122
Castel del Rio BO 13 1246 9368
Modigliana FC 15 4560 13928
Fontanelice BO 16 1943 15871
Brisighella RA 17 7639 23510
Portico e San Benedetto FC 17 756 24266
Borgo Tossignano BO 17 3288 27554
Firenzuola FI 19 4726 32280
Riolo Terme RA 19 5720 38000
Casalfiumanese BO 19 3438 41438
Rocca San Casciano FC 20 1910 43348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Imola (69797 inhabitants)
28 Km SW of Faenza (58541 inhabitants)
36 Km W of Forlì (117913 inhabitants)
47 Km SE of Bologna (386663 inhabitants)
49 Km NE of Firenze (382808 inhabitants)
49 Km NE of Prato (191150 inhabitants)
50 Km W of Cesena (96758 inhabitants)
53 Km NE of Scandicci (50609 inhabitants)
57 Km SW of Ravenna (159116 inhabitants)
59 Km E of Pistoia (90315 inhabitants)
76 Km N of Arezzo (99543 inhabitants)
76 Km W of Rimini (147750 inhabitants)
79 Km S of Ferrara (133155 inhabitants)
80 Km SE of Modena (184973 inhabitants)
92 Km N of Siena (53903 inhabitants)
93 Km SE of Carpi (70699 inhabitants)
94 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 2.0 2020-06-02
00:45:23		 44.1237 11.6137 8 2020-11-19
12:36:50		 Bollettino Sismico Italiano INGV 80649931
Reviewed
Rev100 		ML 2.1 2020-06-02
00:45:23		 44.1285 11.6162 7 2020-06-02
00:52:46		 Sala Sismica INGV-Roma 79804331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-02 00:45:23 ± 0.06
Latitude 44.1237 ± 0.0027
Longitude 11.6137 ± 0.0050
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80649931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 147
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.88044
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 39
Type of magnitude ML
Reference to an origin 80649931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-30 15:22:01

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 79804331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-02 00:52:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2020-06-02T00:45:52.73 3.0 undecidable manual S 97.7244 0.05 0
IV.PARC.HHZ. 2020-06-02T00:45:46.70 0.3 undecidable manual S 136 72.5718 50 0.73 55
IV.CRE.HHZ. 2020-06-02T00:45:43.60 0.3 undecidable manual S 154 62.1933 50 0.41 63
GU.GSCL.HHZ. 2020-06-02T00:45:40.01 3.0 undecidable manual P 85.248 1.57 0
IV.PII.HHZ. 2020-06-02T00:45:40.85 3.0 undecidable manual P 97.7244 0.5 0
IV.PE3.EHZ. 2020-06-02T00:45:38.63 0.6 undecidable manual P 124 85.0482 50 0.24 42
IV.FNVD.HHZ. 2020-06-02T00:45:37.10 0.3 undecidable manual S 277 39.3273 50 0 71
IV.SSP9.EHZ. 2020-06-02T00:45:36.80 0.3 undecidable manual P 146 73.7706 50 0.15 65
IV.ASQU.HHZ. 2020-06-02T00:45:36.90 0.6 undecidable manual S 159 38.9277 50 -0.07 47
IV.PARC.HHZ. 2020-06-02T00:45:36.49 0.1 undecidable manual P 136 72.5718 50 0 90
IV.FAEN.HNZ. 2020-06-02T00:45:35.40 3.0 undecidable manual S 49 27.8499 107 1.78 0
IV.RUFI.EHZ. 2020-06-02T00:45:35.10 0.3 undecidable manual S 195 32.745 104 -0.15 70
IT.FAZ.HNZ. 2020-06-02T00:45:35.70 3.0 undecidable manual S 49 29.3484 106 1.6 0
IV.SFI.EHZ. 2020-06-02T00:45:34.30 0.3 undecidable manual S 142 30.6471 105 -0.23 69
IV.CRE.HHZ. 2020-06-02T00:45:34.56 0.3 undecidable manual P 154 62.1933 50 -0.31 64
IV.MTRZ.HHZ. 2020-06-02T00:45:33.60 0.3 undecidable manual S 324 25.752 108 0.67 62
IV.RINC.HHZ. 2020-06-02T00:45:33.30 0.3 undecidable manual S 181 26.3514 108 0.2 70
IV.IMOL.EHZ. 2020-06-02T00:45:33.40 1.0 undecidable manual S 21 28.0497 107 -0.29 23
IV.BRSN.EHZ. 2020-06-02T00:45:31.90 0.3 undecidable manual P 64 41.1255 50 0.26 67
IV.SEI.HHZ. 2020-06-02T00:45:31.90 0.3 undecidable manual S 249 21.7671 111 0.3 69
IV.RONT.HHZ. 2020-06-02T00:45:31.70 0.3 undecidable manual S 225 20.3685 112 0.53 66
IT.FIE.HGE. 2020-06-02T00:45:31.44 1.0 undecidable manual P 216 43.4232 50 -0.54 21
IV.ASQU.HHZ. 2020-06-02T00:45:30.87 0.1 negative manual P 159 38.9277 50 -0.42 87
IV.FNVD.HHZ. 2020-06-02T00:45:30.84 0.1 undecidable manual P 277 39.3273 50 -0.52 85
IV.RINC.HHZ. 2020-06-02T00:45:29.06 0.1 undecidable manual P 181 26.3514 108 0.01 97
IV.IMOL.EHZ. 2020-06-02T00:45:29.47 0.1 positive manual P 21 28.0497 107 0.08 96
IV.RUFI.EHZ. 2020-06-02T00:45:29.97 0.3 undecidable manual P 195 32.745 104 -0.33 68
IV.MTRZ.HHZ. 2020-06-02T00:45:29.06 0.3 undecidable manual P 324 25.752 108 0.11 72
IV.FAEN.HNZ. 2020-06-02T00:45:29.69 1.0 undecidable manual P 49 27.8499 107 0.34 23
IV.VISG.HHZ. 2020-06-02T00:45:29.50 0.3 undecidable manual S 297 15.9729 118 -0.28 70
IV.BRIS.HHZ. 2020-06-02T00:45:29.90 0.3 undecidable manual S 47 16.5723 117 -0.05 74
IV.SFI.EHZ. 2020-06-02T00:45:29.48 0.1 negative manual P 142 30.6471 105 -0.4 89
IT.FAZ.HNZ. 2020-06-02T00:45:29.90 0.6 undecidable manual P 49 29.3484 106 0.27 46
IV.SEI.HHZ. 2020-06-02T00:45:28.12 0.1 positive manual P 249 21.7671 111 -0.07 97
IV.RONT.HHZ. 2020-06-02T00:45:28.11 0.1 positive manual P 225 20.3685 112 0.17 95
IV.BRIS.HHZ. 2020-06-02T00:45:27.04 0.1 positive manual P 47 16.5723 117 -0.19 95
IV.LMD.HHZ. 2020-06-02T00:45:27.90 0.3 undecidable manual S 124 9.0798 133 0.11 74
IV.VISG.HHZ. 2020-06-02T00:45:26.89 0.1 positive manual P 297 15.9729 118 -0.25 94
IV.LMD.HHZ. 2020-06-02T00:45:26.01 0.1 positive manual P 124 9.0798 133 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IMOL.HNE. ML:2.4 0.0011771912499999998 0.29 AML other m 2020-06-02T00:45:35.74
IV.IMOL.HNN. ML:0.0 0.00108369465 0.28 AML other m 2020-06-02T00:45:36.26
IV.BRSN.EHN. ML:0.0 0.00060878615 0.34 AML other m 2020-06-02T00:45:40.93
IV.BRSN.HNN. ML:0.0 0.0006118911000000001 0.35 AML other m 2020-06-02T00:45:40.92
IV.FIR.HNN. ML:2.2 0.00041749999999999996 0.56 AML other m 2020-06-02T00:45:41.48
IV.ASQU.HHN. ML:0.0 0.00021074215 0.4 AML other m 2020-06-02T00:45:41.77
IV.MTRZ.HHE. ML:0.0 0.00081280215 0.26 AML other m 2020-06-02T00:45:36.47
IV.BRSN.HNE. ML:0.0 0.0007261648499999999 0.25 AML other m 2020-06-02T00:45:41.85
IV.BRSN.EHE. ML:0.0 0.0007380987 0.26 AML other m 2020-06-02T00:45:41.86
IV.CRE.HHN. ML:0.0 0.00013145814999999998 0.32 AML other m 2020-06-02T00:45:46.24
IV.PARC.HHE. ML:0.0 0.000028885519999999998 0.24 AML other m 2020-06-02T00:45:51.17
IV.CRE.HHE. ML:0.0 0.000091921875 0.46 AML other m 2020-06-02T00:45:51.99
IV.PARC.HHN. ML:0.0 0.00004704648 0.4 AML other m 2020-06-02T00:45:53.63
IV.PII.HHN. ML:0.0 0.00008245872499999999 0.36 AML other m 2020-06-02T00:45:54.90
IV.PII.HHE. ML:0.0 0.00008789319499999999 0.3 AML other m 2020-06-02T00:45:55.84
IV.LMD.HHE. ML:2.0 0.0014731829999999999 0.1 AML other m 2020-06-02T00:45:28.15
IV.LMD.HHN. ML:1.9 0.0012187389 0.14 AML other m 2020-06-02T00:45:29.15
IV.BRIS.HHN. ML:2.4 0.0025189095 0.22 AML other m 2020-06-02T00:45:30.21
IV.RONT.HHN. ML:2.7 0.004109897999999999 0.24 AML other m 2020-06-02T00:45:33.66
IV.RONT.HHE. ML:2.7 0.0041267364999999995 0.26 AML other m 2020-06-02T00:45:34.01
IV.SEI.HHE. ML:2.5 0.0020522735 0.26 AML other m 2020-06-02T00:45:32.88
IV.SEI.HHN. ML:2.9 0.0060572795 0.28 AML other m 2020-06-02T00:45:32.41
IV.RINC.HHE. ML:2.1 0.0006512435000000001 0.4 AML other m 2020-06-02T00:45:34.51
IV.RINC.HHN. ML:1.9 0.0004844136 0.58 AML other m 2020-06-02T00:45:37.32
IV.MTRZ.HHN. ML:2.2 0.0009207776999999999 0.32 AML other m 2020-06-02T00:45:40.02
IV.MTRZ.HNE. ML:2.1 0.00082805695 0.51 AML other m 2020-06-02T00:45:35.30
IV.MTRZ.HNN. ML:2.1 0.0008293779500000001 0.29 AML other m 2020-06-02T00:45:36.49
IV.SFI.EHN. ML:1.6 0.00018925365 0.12 AML other m 2020-06-02T00:45:35.76
IV.SFI.EHE. ML:1.7 0.00024049399999999998 0.42 AML other m 2020-06-02T00:45:35.41
IV.SFI.HNN. ML:1.6 0.00019645406999999998 0.21 AML other m 2020-06-02T00:45:36.75
IV.SFI.HNE. ML:1.7 0.0002192755 0.25 AML other m 2020-06-02T00:45:36.23
IV.RUFI.EHN. ML:1.5 0.0001388349 0.2 AML other m 2020-06-02T00:45:35.66
IV.RUFI.EHE. ML:1.8 0.00028177277499999995 0.48 AML other m 2020-06-02T00:45:35.56
IV.FNVD.HHN. ML:2.1 0.00044766755000000003 0.2 AML other m 2020-06-02T00:45:38.35
IV.FNVD.HHE. ML:2.0 0.0003660852 0.24 AML other m 2020-06-02T00:45:38.21
IV.ASQU.HHE. ML:1.6 0.00016229025 0.54 AML other m 2020-06-02T00:45:41.08
IV.SSP9.EHE. ML:1.5 0.000048227069999999996 0.5 AML other m 2020-06-02T00:45:52.66
IV.SSP9.EHN. ML:1.6 0.00006627516 0.48 AML other m 2020-06-02T00:45:53.18
IV.BRIS.HHE. ML:2.4 0.0022539189999999996 0.36 AML other m 2020-06-02T00:45:33.42
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