Earthquake with magnitude of ML 1.8 on date 02-06-2020 and time 04:52:39 (UTC) in region 5 km N Marradi (FI)

A magnitude ML 1.8 earthquake occured in region: 5 km N Marradi (FI), on

  • 02-06-2020 04:52:39 (UTC)
  • 02-06-2020 06:52:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1250, 11.6220 at 9 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 5 3139 3139
Palazzuolo sul Senio FI 6 1154 4293
Tredozio FC 11 1212 5505
Casola Valsenio RA 11 2617 8122
Castel del Rio BO 14 1246 9368
Modigliana FC 14 4560 13928
Fontanelice BO 16 1943 15871
Brisighella RA 16 7639 23510
Portico e San Benedetto FC 17 756 24266
Borgo Tossignano BO 17 3288 27554
Riolo Terme RA 19 5720 33274
Rocca San Casciano FC 19 1910 35184
Casalfiumanese BO 19 3438 38622
Firenzuola FI 19 4726 43348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Imola (69797 inhabitants)
28 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)
94 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 1.8 2020-06-02
04:52:39
44.1248 11.6223 9 2020-11-19
12:36:58
Bollettino Sismico Italiano INGV 82293991
Reviewed
Rev100
ML 1.9 2020-06-02
04:52:39
44.1233 11.6185 8 2020-06-02
05:02:53
Sala Sismica INGV-Roma 79814261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-02 04:52:39 ± 0.06
Latitude 44.1248 ± 0.0036
Longitude 11.6223 ± 0.0038
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82293991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 323
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.66190
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 82293991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-24 16:52:18

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 79814261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-02 05:02:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2020-06-02T04:52:59.55 0.6 undecidable manual S 155 61.9935 50 0.36 42
IV.MPPT.EHZ. 2020-06-02T04:52:55.59 0.6 undecidable manual S 247 46.3203 50 0.59 41
IV.FNVD.HHZ. 2020-06-02T04:52:53.48 0.3 undecidable manual S 277 40.0266 50 0.15 69
IV.SSP9.EHZ. 2020-06-02T04:52:53.37 0.6 undecidable manual P 146 73.4709 50 0.67 38
IV.PARC.HHZ. 2020-06-02T04:52:52.60 0.3 undecidable manual P 137 72.2721 50 0.08 66
IV.ASQU.HHZ. 2020-06-02T04:52:52.99 0.3 undecidable manual S 160 38.7279 50 0 71
IV.RUFI.EHZ. 2020-06-02T04:52:51.40 0.3 undecidable manual S 196 33.0447 50 -0.07 71
IV.IMOL.EHZ. 2020-06-02T04:52:51.60 3.0 undecidable manual S 20 27.75 108 1.83 0
IV.CRE.HHZ. 2020-06-02T04:52:50.75 0.3 undecidable manual P 155 61.9935 50 -0.19 66
IV.SFI.EHZ. 2020-06-02T04:52:50.50 0.3 undecidable manual S 144 30.2475 106 -0.11 71
IV.RINC.HHZ. 2020-06-02T04:52:49.52 0.3 undecidable manual S 183 26.4513 108 0.17 70
IV.SEI.HHZ. 2020-06-02T04:52:48.12 0.3 undecidable manual S 250 22.4553 111 0.09 72
IV.BRSN.HNE. 2020-06-02T04:52:48.15 0.6 undecidable manual P 64 40.4262 50 0.53 42
IV.RONT.HHZ. 2020-06-02T04:52:48.24 0.3 undecidable manual S 226 20.9679 113 0.68 62
IV.MPPT.EHZ. 2020-06-02T04:52:48.41 0.3 undecidable manual P 247 46.3203 50 -0.11 69
IV.ASQU.HHZ. 2020-06-02T04:52:47.05 0.1 undecidable manual P 160 38.7279 50 -0.31 89
IV.FNVD.HHZ. 2020-06-02T04:52:47.18 0.3 undecidable manual P 277 40.0266 50 -0.38 66
IV.RUFI.EHZ. 2020-06-02T04:52:46.16 0.1 undecidable manual P 196 33.0447 50 -0.32 90
IV.BRIS.HHZ. 2020-06-02T04:52:46.11 0.3 undecidable manual S 46 15.9729 119 0.12 72
IV.IMOL.EHZ. 2020-06-02T04:52:45.66 0.1 undecidable manual P 20 27.75 108 0.16 94
IV.VISG.HHZ. 2020-06-02T04:52:45.97 0.3 undecidable manual S 296 16.5723 118 -0.21 71
IV.MTRZ.HHZ. 2020-06-02T04:52:45.39 0.3 undecidable manual P 323 26.1516 109 0.2 70
IV.FAEN.HNZ. 2020-06-02T04:52:45.96 1.0 undecidable manual P 48 27.2505 108 0.55 21
IV.RINC.HHZ. 2020-06-02T04:52:45.19 0.3 undecidable manual P 183 26.4513 108 -0.07 72
IV.SFI.EHZ. 2020-06-02T04:52:45.64 0.1 undecidable manual P 144 30.2475 106 -0.35 90
IV.LMD.HHZ. 2020-06-02T04:52:44.03 0.3 undecidable manual S 128 8.5803 136 0.1 73
IV.RONT.HHZ. 2020-06-02T04:52:44.19 0.3 undecidable manual P 226 20.9679 113 -0.04 73
IV.SEI.HHZ. 2020-06-02T04:52:44.37 0.1 positive manual P 250 22.4553 111 -0.13 95
IV.VISG.HHZ. 2020-06-02T04:52:43.17 0.1 positive manual P 296 16.5723 118 -0.26 93
IV.BRIS.HHZ. 2020-06-02T04:52:43.20 0.1 positive manual P 46 15.9729 119 -0.12 96
IV.LMD.HHZ. 2020-06-02T04:52:42.13 0.1 undecidable manual P 128 8.5803 136 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:2.0 0.0015613476 0.2016 AML other m 2020-06-02T04:52:44.37
IV.LMD.HHE. ML:2.2 0.0021989 0.1184 AML other m 2020-06-02T04:52:44.37
IV.BRIS.HHN. ML:2.3 0.0020884329999999998 0.1376 AML other m 2020-06-02T04:52:46.20
IV.BRIS.HHE. ML:2.4 0.0025598669999999995 0.16 AML other m 2020-06-02T04:52:46.33
IV.VISG.HHE. ML:1.7 0.00048324275 0.1376 AML other m 2020-06-02T04:52:46.84
IV.VISG.HHN. ML:1.9 0.00073589025 0.2016 AML other m 2020-06-02T04:52:47.15
IV.SEI.HHN. ML:2.6 0.0028998885 0.2816 AML other m 2020-06-02T04:52:48.69
IV.SEI.HHE. ML:2.2 0.0011716435000000002 0.3008 AML other m 2020-06-02T04:52:50.06
IV.SFI.EHE. ML:1.6 0.00018119645 0.2208 AML other m 2020-06-02T04:52:50.76
IV.RUFI.EHE. ML:1.4 0.00010770054499999999 0.24 AML other m 2020-06-02T04:52:51.70
IV.RINC.HHN. ML:1.8 0.00036657329999999997 0.4 AML other m 2020-06-02T04:52:51.70
IV.RINC.HHE. ML:2.0 0.00051855615 0.3584 AML other m 2020-06-02T04:52:51.85
IV.RUFI.EHN. ML:1.4 0.00010158679500000001 0.3008 AML other m 2020-06-02T04:52:51.89
IV.IMOL.HNE. ML:2.0 0.0006073618 0.1696 AML other m 2020-06-02T04:52:52.40
IV.MTRZ.HHN. ML:2.2 0.0009730098499999999 0.3776 AML other m 2020-06-02T04:52:52.49
IV.MTRZ.HNN. ML:2.2 0.0009315915999999999 0.3808 AML other m 2020-06-02T04:52:52.49
IV.SFI.EHN. ML:1.5 0.00016048255 0.3008 AML other m 2020-06-02T04:52:52.65
IV.SFI.HNN. ML:1.5 0.00016411255 0.32 AML other m 2020-06-02T04:52:52.65
IV.MTRZ.HNE. ML:1.9 0.00052215125 0.3616 AML other m 2020-06-02T04:52:52.82
IV.MTRZ.HHE. ML:1.9 0.0005083208 0.3392 AML other m 2020-06-02T04:52:52.82
IV.IMOL.HNN. ML:2.1 0.0007454760999999999 0.2784 AML other m 2020-06-02T04:52:53.36
IV.SFI.HNE. ML:1.6 0.0001988205 0.3488 AML other m 2020-06-02T04:52:53.86
IV.FNVD.HHE. ML:1.8 0.0001973722 0.1408 AML other m 2020-06-02T04:52:54.26
IV.FNVD.HHN. ML:1.9 0.00030693210000000003 0.1408 AML other m 2020-06-02T04:52:54.27
IV.ASQU.HHN. ML:1.7 0.00019492445000000004 0.2208 AML other m 2020-06-02T04:52:54.47
IV.ASQU.HHE. ML:1.8 0.00024991725 0.16 AML other m 2020-06-02T04:52:54.58
IV.MPPT.EHN. ML:1.4 0.00007578192000000001 0.2208 AML other m 2020-06-02T04:52:56.75
IV.BRSN.EHE. ML:2.3 0.000746 0.9 AML other m 2020-06-02T04:52:57.29
IV.MPPT.EHE. ML:1.4 0.00007176833499999998 0.3392 AML other m 2020-06-02T04:52:59.78
IV.CRE.HHN. ML:1.8 0.0001228381 0.2592 AML other m 2020-06-02T04:53:02.33
IV.CRE.HHE. ML:1.5 0.000065732335 0.3584 AML other m 2020-06-02T04:53:03.57
IV.PARC.HHE. ML:1.2 0.000025943424999999998 0.2592 AML other m 2020-06-02T04:53:07.22
IV.PARC.HHN. ML:1.3 0.000029634334999999998 0.4416 AML other m 2020-06-02T04:53:07.22
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