Earthquake with magnitude of ML 1.1 on date 04-06-2020 and time 08:20:13 (Italy) in region 7 km NE Palazzuolo sul Senio (FI)

A magnitude ML 1.1 earthquake occured in region: 7 km NE Palazzuolo sul Senio (FI), on

  • 04-06-2020 06:20:13 (UTC)
  • 04-06-2020 08:20:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1530, 11.6100 at 15 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Palazzuolo sul Senio FI 7 1154 1154
Casola Valsenio RA 8 2617 3771
Marradi FI 9 3139 6910
Castel del Rio BO 11 1246 8156
Fontanelice BO 12 1943 10099
Tredozio FC 13 1212 11311
Borgo Tossignano BO 14 3288 14599
Modigliana FC 15 4560 19159
Brisighella RA 15 7639 26798
Casalfiumanese BO 16 3438 30236
Riolo Terme RA 17 5720 35956
Firenzuola FI 19 4726 40682
Portico e San Benedetto FC 20 756 41438

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Imola (69797 inhabitants)
26 Km SW of Faenza (58541 inhabitants)
35 Km W of Forlì (117913 inhabitants)
44 Km SE of Bologna (386663 inhabitants)
51 Km W of Cesena (96758 inhabitants)
51 Km NE of Prato (191150 inhabitants)
51 Km NE of Firenze (382808 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
56 Km NE of Scandicci (50609 inhabitants)
60 Km E of Pistoia (90315 inhabitants)
76 Km S of Ferrara (133155 inhabitants)
77 Km W of Rimini (147750 inhabitants)
77 Km SE of Modena (184973 inhabitants)
79 Km N of Arezzo (99543 inhabitants)
91 Km SE of Carpi (70699 inhabitants)
95 Km E of Lucca (89046 inhabitants)
95 Km N of Siena (53903 inhabitants)
99 Km SE of Reggio nell'Emilia (171345 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
Reviewed
Rev100
ML 1.1 2020-06-04
06:20:13
44.1528 11.6103 15 2020-06-04
06:36:08
Sala Sismica INGV-Roma 79882231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-04 06:20:13 ± 0.14
Latitude 44.1528 ± 0.0045
Longitude 11.6103 ± 0.0075
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79882231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 79882231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-04 06:36:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCHR.EHZ. 2020-06-04T06:22:44.48 3.0 undecidable manual Sg 10.38 0
IV.SENA.HHZ. 2020-06-04T06:22:19.45 3.0 undecidable manual Sg 10.04 0
IV.CFMN.HHZ. 2020-06-04T06:22:10.86 3.0 undecidable manual Sg 9.05 0
IV.COLB.HHZ. 2020-06-04T06:22:08.88 3.0 undecidable manual Sg 6.34 0
IV.PTRJ.HNZ. 2020-06-04T06:22:05.28 3.0 undecidable manual Sg 10.93 0
IV.CAFE.HHZ. 2020-06-04T06:21:20.50 3.0 positive manual Pg 4.01 0
IX.MNT3.HHZ.02 2020-06-04T06:21:12.96 3.0 negative manual Pn -4.33 0
IV.ZONE.HHZ. 2020-06-04T06:21:06.82 3.0 undecidable manual Sg 1.51 0
OX.CIMO.HHZ. 2020-06-04T06:20:41.60 3.0 undecidable manual Pn -2.18 0
IV.ASQU.HHZ. 2020-06-04T06:20:27.36 0.6 undecidable manual S 160 42.0246 98 0.34 44
IV.SFI.EHZ. 2020-06-04T06:20:25.02 0.3 undecidable manual S 145 33.3444 101 0.27 69
IV.RUFI.EHE. 2020-06-04T06:20:25.34 0.6 undecidable manual S 193 35.8419 100 -0.06 48
IV.BLLA.EHZ. 2020-06-04T06:20:25.35 3.0 undecidable manual Sn -9.33 0
IV.RINC.HHZ. 2020-06-04T06:20:23.73 0.3 undecidable manual S 181 29.5482 104 -0.02 73
IV.RONT.HHE. 2020-06-04T06:20:22.25 0.3 undecidable manual S 219 22.6551 111 0.26 69
IV.SEI.HHZ. 2020-06-04T06:20:22.38 0.6 undecidable manual S 241 22.8549 110 0.34 45
IV.ASQU.HHZ. 2020-06-04T06:20:21.10 0.3 undecidable manual P 160 42.0246 98 -0.11 70
IV.RUFI.EHE. 2020-06-04T06:20:20.11 0.3 undecidable manual P 193 35.8419 100 -0.16 71
IV.BRIS.HHZ. 2020-06-04T06:20:20.21 0.3 undecidable manual S 57 14.7741 126 0.09 75
IV.VISG.HHZ. 2020-06-04T06:20:19.79 0.6 undecidable manual S 286 14.5743 126 -0.29 47
IV.SFI.EHZ. 2020-06-04T06:20:19.75 0.3 undecidable manual P 145 33.3444 101 -0.14 71
IV.LMD.HHZ. 2020-06-04T06:20:19.56 0.6 undecidable manual S 137 11.3775 135 0.13 49
IV.RINC.HHZ. 2020-06-04T06:20:18.94 0.3 undecidable manual P 181 29.5482 104 -0.38 68
IV.MTRZ.HNZ. 2020-06-04T06:20:18.94 0.6 undecidable manual P 320 23.0547 110 0.58 43
IV.RONT.HHE. 2020-06-04T06:20:18.46 0.3 undecidable manual P 219 22.6551 111 0.16 71
IV.SEI.HHZ. 2020-06-04T06:20:18.35 0.3 undecidable manual P 241 22.8549 110 0.02 73
IV.VISG.HHZ. 2020-06-04T06:20:17.11 0.1 undecidable manual P 286 14.5743 126 -0.09 99
IV.BRIS.HHZ. 2020-06-04T06:20:17.26 0.1 undecidable manual P 57 14.7741 126 0.04 100
IV.LMD.HHZ. 2020-06-04T06:20:16.21 0.3 undecidable manual P 137 11.3775 135 -0.62 65
IV.BRSN.EHZ. 2020-06-04T06:20:13.56 3.0 undecidable manual P 0
IV.IMOL.HNZ. 2020-06-04T06:20:11.19 3.0 negative manual P -0.89 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.0 0.00010395 1.32 AML other m 2020-06-04T06:20:18.25
IV.LMD.HHN. ML:0.0 0.00009190000000000001 0.42 AML other m 2020-06-04T06:20:18.74
IV.VISG.HHN. ML:1.1 0.00010944999999999999 0.5 AML other m 2020-06-04T06:20:20.53
IV.BRIS.HHN. ML:1.4 0.00020449999999999998 0.22 AML other m 2020-06-04T06:20:20.54
IV.VISG.HHE. ML:1.1 0.00010644999999999999 0.8 AML other m 2020-06-04T06:20:20.18
IV.BRIS.HHE. ML:1.5 0.0002375 0.3 AML other m 2020-06-04T06:20:20.44
IV.SEI.HHN. ML:1.8 0.00036150000000000006 0.28 AML other m 2020-06-04T06:20:22.61
IV.SEI.HHE. ML:1.5 0.0001795 0.28 AML other m 2020-06-04T06:20:22.95
IV.RINC.HHE. ML:1.0 0.000038307359999999996 0.24 AML other m 2020-06-04T06:20:25.60
IV.RINC.HHN. ML:0.8 0.000030506225 0.32 AML other m 2020-06-04T06:20:24.61
IV.SFI.EHE. ML:0.9 0.00003384032 2 AML other m 2020-06-04T06:20:25.81
IV.SFI.EHN. ML:0.6 0.000015827735499999998 1.76 AML other m 2020-06-04T06:20:25.96
IV.ASQU.HHE. ML:0.7 0.000015204058645000001 0.24 AML other m 2020-06-04T06:20:28.35
IV.ASQU.HHN. ML:0.7 0.000015571135 0.32 AML other m 2020-06-04T06:20:27.65
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