Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 02-06-2020 and time 08:44:52 (UTC) in region 6 km E Palazzuolo sul Senio (FI)

A magnitude ML 0.9 earthquake occured in region: 6 km E Palazzuolo sul Senio (FI), on

  • 02-06-2020 08:44:52 (UTC)
  • 02-06-2020 10:44:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1390, 11.6210 at 10 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.

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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
Palazzuolo sul Senio FI 7 1154 1154
Marradi FI 7 3139 4293
Casola Valsenio RA 10 2617 6910
Tredozio FC 12 1212 8122
Castel del Rio BO 12 1246 9368
Modigliana FC 14 4560 13928
Fontanelice BO 14 1943 15871
Brisighella RA 15 7639 23510
Borgo Tossignano BO 16 3288 26798
Riolo Terme RA 17 5720 32518
Casalfiumanese BO 18 3438 35956
Portico e San Benedetto FC 18 756 36712
Firenzuola FI 19 4726 41438
Rocca San Casciano FC 20 1910 43348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Imola (69797 inhabitants)
27 Km SW of Faenza (58541 inhabitants)
35 Km W of Forlì (117913 inhabitants)
45 Km SE of Bologna (386663 inhabitants)
50 Km W of Cesena (96758 inhabitants)
50 Km NE of Firenze (382808 inhabitants)
51 Km NE of Prato (191150 inhabitants)
55 Km NE of Scandicci (50609 inhabitants)
56 Km SW of Ravenna (159116 inhabitants)
61 Km E of Pistoia (90315 inhabitants)
76 Km W of Rimini (147750 inhabitants)
78 Km N of Arezzo (99543 inhabitants)
78 Km S of Ferrara (133155 inhabitants)
79 Km SE of Modena (184973 inhabitants)
92 Km SE of Carpi (70699 inhabitants)
94 Km N of Siena (53903 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
Reviewed
Rev100 		ML 0.9 2020-06-02
08:44:52		 44.1393 11.6208 10 2020-06-02
08:51:02		 Sala Sismica INGV-Roma 79821681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-02 08:44:52 ± 0.12
Latitude 44.1393 ± 0.0045
Longitude 11.6208 ± 0.0038
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79821681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 164
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) 121
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25271
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 79821681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-02 08:51:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XK.SELL.HHZ. 2020-06-02T08:46:21.31 3.0 undecidable manual Pg 21.139999 0
IV.TDS.HHZ. 2020-06-02T08:46:02.55 3.0 positive manual Pg 11.62 0
IV.ROSPO.HHZ. 2020-06-02T08:45:53.69 3.0 undecidable manual Sn 3.6 0
IV.TRIV.HHZ. 2020-06-02T08:45:51.69 3.0 undecidable manual Sn 0.12 0
IV.PTCC.HHZ. 2020-06-02T08:45:51.39 3.0 undecidable manual Sn -7.25 0
IV.MIDA.HHZ. 2020-06-02T08:45:20.87 3.0 positive manual Pg 4.76 0
IV.RNI2.HHZ. 2020-06-02T08:45:17.64 3.0 undecidable manual Pn 2.86 0
GU.GSCL.HHZ. 2020-06-02T08:45:15.80 3.0 undecidable manual S 2.23 0
IV.SEI.HHZ. 2020-06-02T08:45:01.16 0.3 undecidable manual S 246 22.9548 113 0.09 74
IV.RONT.HHN. 2020-06-02T08:45:01.15 0.3 undecidable manual S 223 22.0668 114 0.36 70
IV.VISG.HHZ. 2020-06-02T08:44:58.72 0.3 undecidable manual S 290 15.873 121 -0.15 74
IV.BRIS.HHZ. 2020-06-02T08:44:58.87 0.3 undecidable manual S 51 14.9739 123 0.25 73
IV.RINC.HHE. 2020-06-02T08:44:58.34 0.6 undecidable manual P 182 28.0497 50 -0.02 50
IV.LMD.HHZ. 2020-06-02T08:44:57.06 0.1 undecidable manual S 135 9.6792 135 -0.14 100
IV.SEI.HHZ. 2020-06-02T08:44:57.31 0.3 undecidable manual P 246 22.9548 113 -0.11 74
IV.RONT.HHN. 2020-06-02T08:44:57.21 0.3 undecidable manual P 223 22.0668 114 -0.05 75
IV.BRIS.HHZ. 2020-06-02T08:44:56.06 0.3 undecidable manual P 51 14.9739 123 0.05 76
IV.VISG.HHZ. 2020-06-02T08:44:56.06 0.3 undecidable manual P 290 15.873 121 -0.09 75
IV.LMD.HHZ. 2020-06-02T08:44:55.06 0.3 undecidable manual P 135 9.6792 135 -0.12 75
IV.RIBO.EHZ.01 2020-06-02T08:44:54.07 3.0 positive manual P 3.64 0
GU.CARD.HHZ. 2020-06-02T08:44:51.01 3.0 undecidable manual P -3.06 0
IV.PE3.EHZ. 2020-06-02T08:44:50.65 3.0 undecidable manual S -1.59 0
IV.CRTC.HHZ. 2020-06-02T08:44:49.73 3.0 undecidable manual P 0.7 0
IV.SSFR.HNZ. 2020-06-02T08:44:47.64 3.0 undecidable manual P -0.08 0
IV.CSNT.HHZ. 2020-06-02T08:44:44.90 3.0 positive manual P 3.13 0
IV.SFI.EHZ. 2020-06-02T08:44:38.68 3.0 negative manual P -0.83 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:0.8 0.00007775 0.38 AML other m 2020-06-02T08:44:57.12
IV.LMD.HHN. ML:0.6 0.0000484 0.18 AML other m 2020-06-02T08:44:57.56
IV.BRIS.HHE. ML:1.1 0.0001115 0.3 AML other m 2020-06-02T08:44:59.14
IV.VISG.HHE. ML:0.6 0.00003365 0.26 AML other m 2020-06-02T08:44:59.43
IV.VISG.HHN. ML:0.6 0.0000329 0.52 AML other m 2020-06-02T08:44:59.94
IV.BRIS.HHN. ML:1.0 0.00010539999999999999 0.34 AML other m 2020-06-02T08:44:59.59
IV.SEI.HHN. ML:1.2 0.00009335 0.3 AML other m 2020-06-02T08:45:01.52
IV.SEI.HHE. ML:1.1 0.00007915 0.54 AML other m 2020-06-02T08:45:02.29
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