Earthquake with magnitude of ML 1.2 on date 14-03-2021 and time 04:25:58 (UTC) in region 5 km SW Palazzuolo sul Senio (FI)

A magnitude ML 1.2 earthquake occured in region: 5 km SW Palazzuolo sul Senio (FI), on

  • 14-03-2021 04:25:58 (UTC)
  • 14-03-2021 05:25:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0720, 11.5220 at 10 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
Palazzuolo sul Senio FI 5 1154 1154
Marradi FI 7 3139 4293
Firenzuola FI 13 4726 9019
Castel del Rio BO 16 1246 10265
Vicchio FI 16 8044 18309
Borgo San Lorenzo FI 17 18211 36520
Tredozio FC 18 1212 37732
San Godenzo FI 18 1167 38899
Casola Valsenio RA 19 2617 41516
Dicomano FI 20 5515 47031
Scarperia e San Piero FI 20 12217 59248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Imola (69797 inhabitants)
38 Km SW of Faenza (58541 inhabitants)
40 Km NE of Firenze (382808 inhabitants)
40 Km NE of Prato (191150 inhabitants)
44 Km NE of Scandicci (50609 inhabitants)
45 Km W of Forlì (117913 inhabitants)
49 Km SE of Bologna (386663 inhabitants)
51 Km E of Pistoia (90315 inhabitants)
58 Km W of Cesena (96758 inhabitants)
66 Km SW of Ravenna (159116 inhabitants)
73 Km NW of Arezzo (99543 inhabitants)
80 Km SE of Modena (184973 inhabitants)
84 Km W of Rimini (147750 inhabitants)
85 Km N of Siena (53903 inhabitants)
85 Km E of Lucca (89046 inhabitants)
85 Km S of Ferrara (133155 inhabitants)
94 Km SE of Carpi (70699 inhabitants)
98 Km E of Pisa (89158 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
Bulletin
Rev1000
ML 1.2 2021-03-14
04:25:58
44.0717 11.5218 10 2021-07-12
16:55:09
Bollettino Sismico Italiano INGV 89601261
Reviewed
Rev100
ML 1.2 2021-03-14
04:25:58
44.0792 11.5287 10 2021-03-14
04:30:55
Sala Sismica INGV-Roma 88102511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-14 04:25:58 ± 0.07
Latitude 44.0717 ± 0.0036
Longitude 11.5218 ± 0.0050
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89601261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 307
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33545
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 89601261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-29 16:44:19

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 88102511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-14 04:30:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HNZ. 2021-03-14T04:26:18.13 3.0 undecidable manual Sn -0.6 0
IV.MPAG.EHZ. 2021-03-14T04:26:15.35 3.0 undecidable manual P -1.73 0
IV.ASQU.HHZ. 2021-03-14T04:26:11.39 0.6 undecidable manual S 145 37.2294 50 0.1 47
IV.MOCL.EHZ. 2021-03-14T04:26:08.91 0.6 undecidable manual S 255 28.1496 50 0.04 49
IV.BRIS.HHZ. 2021-03-14T04:26:08.74 0.6 undecidable manual S 49 25.8519 111 0.59 43
IV.RINC.HHZ. 2021-03-14T04:26:06.79 0.6 undecidable manual S 162 21.6672 114 -0.01 50
IV.CPGN.EHZ. 2021-03-14T04:26:06.27 3.0 undecidable manual P -3.74 0
IV.ASQU.HHZ. 2021-03-14T04:26:05.73 0.1 undecidable manual P 145 37.2294 50 -0.19 93
IV.LMD.HHZ. 2021-03-14T04:26:04.40 0.6 undecidable manual S 87 14.7741 123 -0.31 47
IV.MOCL.EHZ. 2021-03-14T04:26:04.50 0.1 undecidable manual P 255 28.1496 50 -0.02 98
IV.SEI.HHZ. 2021-03-14T04:26:04.12 0.6 undecidable manual S 262 13.1757 126 -0.12 49
IV.VISG.HHZ. 2021-03-14T04:26:04.25 0.6 undecidable manual S 332 14.7741 123 -0.45 46
IV.BRIS.HHZ. 2021-03-14T04:26:04.24 0.1 undecidable manual P 49 25.8519 111 0.13 96
IV.RONT.HHZ. 2021-03-14T04:26:03.84 0.6 undecidable manual S 219 11.1777 131 0.13 49
IV.RINC.HHZ. 2021-03-14T04:26:03.32 0.1 undecidable manual P 162 21.6672 114 -0.01 99
IV.VISG.HHZ. 2021-03-14T04:26:02.14 0.1 undecidable manual P 332 14.7741 123 0.02 100
IV.RONT.HHZ. 2021-03-14T04:26:01.76 0.3 undecidable manual P 219 11.1777 131 0.22 73
IV.LMD.HHZ. 2021-03-14T04:26:01.89 0.3 undecidable manual P 87 14.7741 123 -0.23 72
IV.SEI.HHZ. 2021-03-14T04:26:01.95 0.1 undecidable manual P 262 13.1757 126 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHE. ML:1.2 0.000191 0.7 AML other m 2021-03-14T04:26:04.38
IV.SEI.HHN. ML:1.6 0.00042699999999999997 0.2 AML other m 2021-03-14T04:26:04.81
IV.VISG.HHN. ML:1.0 0.00010714999999999999 0.4 AML other m 2021-03-14T04:26:05.20
IV.VISG.HHE. ML:1.0 0.0000975 0.48 AML other m 2021-03-14T04:26:05.28
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