Earthquake with magnitude of ML 1.6 on date 01-06-2020 and time 13:48:27 (Italy) in region 5 km N Marradi (FI)

A magnitude ML 1.6 earthquake occured in region: 5 km N Marradi (FI), on

  • 01-06-2020 11:48:27 (UTC)
  • 01-06-2020 13:48:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1220, 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 18 3288 27554
Rocca San Casciano FC 19 1910 29464
Riolo Terme RA 19 5720 35184
Firenzuola FI 19 4726 39910
Casalfiumanese BO 20 3438 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)
57 Km SW of Ravenna (159116 inhabitants)
60 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)
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 2020-06-01
11:48:27
44.1225 11.6217 9 2020-11-19
12:36:48
Bollettino Sismico Italiano INGV 80091691
Reviewed
Rev100
ML 1.7 2020-06-01
11:48:27
44.1318 11.6222 10 2020-06-01
12:00:56
Sala Sismica INGV-Roma 79782161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-01 11:48:27 ± 0.08
Latitude 44.1225 ± 0.0045
Longitude 11.6217 ± 0.0063
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 80091691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 379
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.41549
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 80091691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-11 15:11:51

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 79782161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-01 12:00:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPPT.EHZ. 2020-06-01T11:48:43.37 0.6 undecidable manual S 247 46.1205 50 0.58 41
IV.ASQU.HHZ. 2020-06-01T11:48:41.17 0.3 undecidable manual S 160 38.5281 50 0.42 66
IV.FNVD.HHZ. 2020-06-01T11:48:41.23 0.3 undecidable manual S 277 40.0266 50 0.08 71
IV.RUFI.EHZ. 2020-06-01T11:48:39.19 0.3 undecidable manual S 196 32.8449 50 -0.03 73
IV.IMOL.EHZ. 2020-06-01T11:48:39.15 0.3 undecidable manual S 20 27.9498 108 1.32 46
IV.SFI.EHZ. 2020-06-01T11:48:38.59 0.3 undecidable manual S 143 30.1476 50 0.09 72
IV.RINC.HHZ. 2020-06-01T11:48:37.35 0.3 undecidable manual S 183 26.2515 109 0.11 72
IV.SEI.HHZ. 2020-06-01T11:48:36.15 0.3 undecidable manual S 250 22.2555 113 0.17 72
IV.RONT.HHZ. 2020-06-01T11:48:36.15 0.3 undecidable manual S 227 20.7681 114 0.66 63
IV.MPPT.EHZ. 2020-06-01T11:48:36.37 0.3 undecidable manual P 247 46.1205 50 0 71
IV.FNVD.HHZ. 2020-06-01T11:48:35.14 0.1 undecidable manual P 277 40.0266 50 -0.28 91
IV.ASQU.HHZ. 2020-06-01T11:48:34.92 0.1 undecidable manual P 160 38.5281 50 -0.27 91
IV.RUFI.EHZ. 2020-06-01T11:48:34.06 0.1 undecidable manual P 196 32.8449 50 -0.25 92
IV.RINC.HHZ. 2020-06-01T11:48:33.15 0.1 undecidable manual P 183 26.2515 109 -0.02 98
IV.IMOL.EHZ. 2020-06-01T11:48:33.59 0.1 undecidable manual P 20 27.9498 108 0.08 97
IV.SFI.EHZ. 2020-06-01T11:48:33.69 0.1 undecidable manual P 143 30.1476 50 -0.2 94
IV.VISG.HHZ. 2020-06-01T11:48:33.76 0.3 undecidable manual S 296 16.6722 119 -0.44 68
IV.MTRZ.HNN. 2020-06-01T11:48:33.56 0.3 undecidable manual P 324 26.2515 109 0.38 68
IV.BRIS.HHZ. 2020-06-01T11:48:33.97 0.3 undecidable manual S 45 16.1727 120 -0.09 74
IV.SEI.HHZ. 2020-06-01T11:48:32.20 0.1 undecidable manual P 250 22.2555 113 -0.24 95
IV.RONT.HHZ. 2020-06-01T11:48:32.25 0.1 undecidable manual P 227 20.7681 114 0.09 98
IV.VISG.HHZ. 2020-06-01T11:48:31.01 0.1 undecidable manual P 296 16.6722 119 -0.4 92
IV.BRIS.HHZ. 2020-06-01T11:48:31.07 0.1 undecidable manual P 45 16.1727 120 -0.26 95
IV.LMD.HHZ. 2020-06-01T11:48:31.91 0.3 undecidable manual S 126 8.4804 138 -0.04 76
IV.LMD.HHZ. 2020-06-01T11:48:30.03 0.1 undecidable manual P 126 8.4804 138 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.7 0.0008105 0.42 AML other m 2020-06-01T11:48:32.32
IV.LMD.HHN. ML:1.7 0.0008115 0.16 AML other m 2020-06-01T11:48:33.45
IV.VISG.HHN. ML:2.0 0.000933 0.1 AML other m 2020-06-01T11:48:34.17
IV.BRIS.HHN. ML:2.0 0.0010329999999999998 0.98 AML other m 2020-06-01T11:48:34.18
IV.BRIS.HHE. ML:2.2 0.001371 0.14 AML other m 2020-06-01T11:48:34.22
IV.VISG.HHE. ML:1.8 0.0005064999999999999 1.02 AML other m 2020-06-01T11:48:34.43
IV.RINC.HHN. ML:1.6 0.00020649999999999998 0.32 AML other m 2020-06-01T11:48:38.27
IV.RINC.HHE. ML:1.7 0.00029549999999999997 0.76 AML other m 2020-06-01T11:48:38.54
IV.SFI.EHE. ML:1.4 0.00010815 0.52 AML other m 2020-06-01T11:48:39.39
IV.SFI.EHN. ML:1.2 0.00008675 0.56 AML other m 2020-06-01T11:48:39.47
IV.RUFI.EHE. ML:1.4 0.00010105963 0.224 AML other m 2020-06-01T11:48:39.58
IV.RUFI.EHN. ML:1.1 0.000056282735 0.1984 AML other m 2020-06-01T11:48:39.68
IV.FNVD.HHN. ML:1.9 0.0002755 1.06 AML other m 2020-06-01T11:48:42.05
IV.FNVD.HHE. ML:1.8 0.00023999999999999998 0.6 AML other m 2020-06-01T11:48:42.04
IV.ASQU.HHN. ML:1.5 0.00010750000000000001 0.78 AML other m 2020-06-01T11:48:42.82
IV.ASQU.HHE. ML:1.5 0.000104 0.82 AML other m 2020-06-01T11:48:42.53
IV.MPPT.EHE. ML:1.2 0.000050350000000000004 0.2 AML other m 2020-06-01T11:48:44.38
IV.MPPT.EHN. ML:1.2 0.0000479 0.22 AML other m 2020-06-01T11:48:44.60
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