Earthquake with magnitude of ML 1.6 on date 02-06-2020 and time 07:23:53 (Italy) in region 6 km N Marradi (FI)

A magnitude ML 1.6 earthquake occured in region: 6 km N Marradi (FI), on

  • 02-06-2020 05:23:53 (UTC)
  • 02-06-2020 07:23:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1280, 11.6250 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 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 14 1246 9368
Modigliana FC 14 4560 13928
Fontanelice BO 15 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 20 4726 43348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km S 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 W of Cesena (96758 inhabitants)
50 Km NE of Firenze (382808 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 1.6 2020-06-02
05:23:53
44.1277 11.6247 9 2020-11-19
12:37:02
Bollettino Sismico Italiano INGV 83004981
Reviewed
Rev100
ML 1.6 2020-06-02
05:23:53
44.119 11.6288 9 2020-06-02
05:34:28
Sala Sismica INGV-Roma 79815621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-02 05:23:53 ± 0.07
Latitude 44.1277 ± 0.0036
Longitude 11.6247 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83004981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.56028
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 83004981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-18 13:34:56

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 79815621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-02 05:34:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2020-06-02T05:24:13.44 0.3 undecidable manual S 155 62.1933 50 0.67 58
IV.ASQU.HHZ. 2020-06-02T05:24:06.86 0.3 undecidable manual S 160 39.0276 50 0.28 68
IV.RUFI.EHZ. 2020-06-02T05:24:05.00 0.3 undecidable manual S 196 33.4443 50 -0.09 71
IV.SFI.EHZ. 2020-06-02T05:24:04.00 0.3 undecidable manual S 144 30.4473 50 -0.29 69
IV.CRE.HHZ. 2020-06-02T05:24:04.81 0.6 undecidable manual P 155 62.1933 50 0.26 43
IV.RINC.HHZ. 2020-06-02T05:24:03.10 0.3 undecidable manual S 183 26.751 109 -0.08 72
IV.SEI.HHZ. 2020-06-02T05:24:01.90 0.3 undecidable manual S 249 22.755 112 0.05 73
IV.RONT.HHZ. 2020-06-02T05:24:01.90 0.3 undecidable manual S 226 21.3675 114 0.49 67
IV.ASQU.HHZ. 2020-06-02T05:24:00.74 0.3 undecidable manual P 160 39.0276 50 -0.24 68
IV.MTRZ.HHZ. 2020-06-02T05:23:59.22 0.3 undecidable manual P 322 25.9518 110 0.36 68
IV.SFI.EHZ. 2020-06-02T05:23:59.27 0.3 undecidable manual P 144 30.4473 50 -0.39 67
IV.VISG.HHZ. 2020-06-02T05:23:59.70 0.3 undecidable manual S 294 16.5723 119 -0.25 71
IV.RUFI.EHZ. 2020-06-02T05:23:59.89 0.1 undecidable manual P 196 33.4443 50 -0.23 92
IV.IMOL.EHZ. 2020-06-02T05:23:59.44 0.3 undecidable manual P 20 27.3504 109 0.31 69
IV.BRIS.HHZ. 2020-06-02T05:23:59.70 0.3 undecidable manual S 46 15.5733 121 0.06 74
IV.RINC.HHZ. 2020-06-02T05:23:58.92 0.1 undecidable manual P 183 26.751 109 -0.1 96
IV.RONT.HHZ. 2020-06-02T05:23:58.11 0.1 undecidable manual P 226 21.3675 114 0.11 96
IV.SEI.HHZ. 2020-06-02T05:23:58.11 0.1 positive manual P 249 22.755 112 -0.14 95
IV.LMD.HHZ. 2020-06-02T05:23:57.70 0.1 undecidable manual S 130 8.5803 137 -0.05 100
IV.BRIS.HHZ. 2020-06-02T05:23:56.93 0.1 positive manual P 46 15.5733 121 -0.04 99
IV.VISG.HHZ. 2020-06-02T05:23:56.96 0.1 positive manual P 294 16.5723 119 -0.19 96
IV.LMD.HHZ. 2020-06-02T05:23:55.85 0.1 undecidable manual P 130 8.5803 137 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RINC.HHE. ML:1.4 0.00015022830000000002 0.2816 AML other m 2020-06-02T05:24:04.32
IV.LMD.HHE. ML:1.7 0.0007458037 0.1216 AML other m 2020-06-02T05:23:58.04
IV.LMD.HHN. ML:1.7 0.00069658985 0.2208 AML other m 2020-06-02T05:23:58.15
IV.BRIS.HHE. ML:1.8 0.00067666665 0.0992 AML other m 2020-06-02T05:24:00.03
IV.BRIS.HHN. ML:1.8 0.0006259402 0.3008 AML other m 2020-06-02T05:24:02.58
IV.VISG.HHN. ML:1.7 0.00044113855 0.08 AML other m 2020-06-02T05:24:00.33
IV.VISG.HHE. ML:1.5 0.00028248095 0.1024 AML other m 2020-06-02T05:24:00.43
IV.RONT.HHN. ML:2.1 0.0009520508000000001 0.1408 AML other m 2020-06-02T05:24:02.44
IV.RONT.HHE. ML:2.0 0.0006476766499999999 0.1184 AML other m 2020-06-02T05:24:02.40
IV.SEI.HHN. ML:2.2 0.0011820728 0.2592 AML other m 2020-06-02T05:24:02.44
IV.SEI.HHE. ML:1.8 0.00044249095 0.24 AML other m 2020-06-02T05:24:04.12
IV.RINC.HHN. ML:1.3 0.0001108423 0.3584 AML other m 2020-06-02T05:24:04.23
IV.MTRZ.HHE. ML:1.6 0.00021235185000000002 0.3808 AML other m 2020-06-02T05:24:07.60
IV.MTRZ.HNN. ML:1.6 0.00024832445 0.352 AML other m 2020-06-02T05:24:06.26
IV.MTRZ.HHN. ML:1.7 0.0002631329 0.3584 AML other m 2020-06-02T05:24:06.25
IV.SFI.EHE. ML:1.1 0.0000594402 0.2016 AML other m 2020-06-02T05:24:05.10
IV.SFI.HNN. ML:1.2 0.00007647353 0.08 AML other m 2020-06-02T05:24:05.31
IV.SFI.EHN. ML:1.2 0.00006920480499999999 0.1216 AML other m 2020-06-02T05:24:05.06
IV.IMOL.HNN. ML:1.7 0.00025233644999999997 0.2016 AML other m 2020-06-02T05:24:07.27
IV.IMOL.HNE. ML:1.7 0.0002940073 0.1504 AML other m 2020-06-02T05:24:06.13
IV.RUFI.EHN. ML:1.0 0.000039246685000000004 0.1792 AML other m 2020-06-02T05:24:06.05
IV.RUFI.EHE. ML:1.2 0.000059323230000000004 0.2176 AML other m 2020-06-02T05:24:05.30
IV.ASQU.HHE. ML:1.4 0.00008486245 0.16 AML other m 2020-06-02T05:24:08.27
IV.ASQU.HHN. ML:1.3 0.000068638315 0.2208 AML other m 2020-06-02T05:24:08.16
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