Earthquake with magnitude of ML 1.4 on date 27-03-2022 and time 06:50:50 (Italy) in region 4 km N Palazzuolo sul Senio (FI)

A magnitude ML 1.4 earthquake occured in region: 4 km N Palazzuolo sul Senio (FI), on

  • 27-03-2022 04:50:50 (UTC)
  • 27-03-2022 06:50:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1480, 11.5480 at 11 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 4 1154 1154
Castel del Rio BO 8 1246 2400
Marradi FI 10 3139 5539
Casola Valsenio RA 10 2617 8156
Fontanelice BO 12 1943 10099
Firenzuola FI 14 4726 14825
Borgo Tossignano BO 15 3288 18113
Tredozio FC 18 1212 19325
Casalfiumanese BO 18 3438 22763
Brisighella RA 20 7639 30402
Modigliana FC 20 4560 34962

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Imola (69797 inhabitants)
31 Km W of Faenza (58541 inhabitants)
40 Km W of Forlì (117913 inhabitants)
42 Km SE of Bologna (386663 inhabitants)
47 Km NE of Prato (191150 inhabitants)
48 Km NE of Firenze (382808 inhabitants)
52 Km NE of Scandicci (50609 inhabitants)
56 Km W of Cesena (96758 inhabitants)
56 Km E of Pistoia (90315 inhabitants)
60 Km W of Ravenna (159116 inhabitants)
74 Km SE of Modena (184973 inhabitants)
77 Km S of Ferrara (133155 inhabitants)
80 Km NW of Arezzo (99543 inhabitants)
82 Km W of Rimini (147750 inhabitants)
88 Km SE of Carpi (70699 inhabitants)
90 Km E of Lucca (89046 inhabitants)
94 Km N of Siena (53903 inhabitants)
95 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 1.4 2022-03-27
04:50:50
44.1485 11.5477 11 2022-07-08
12:33:44
Bollettino Sismico Italiano INGV 103203151
Reviewed
Rev100
ML 1.7 2022-03-27
04:50:47
44.1113 11.5877 31 2022-03-27
05:29:30
Sala Sismica INGV-Roma 102435321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-27 04:50:50 ± 0.09
Latitude 44.1485 ± 0.0045
Longitude 11.5477 ± 0.0063
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103203151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 317
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 103203151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-23 14:29:08

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 102435321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-27 05:29:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRLC.HHZ. 2022-03-27T04:52:35.25 3.0 undecidable manual Sn -5.21 0
IV.PAOL.HHZ. 2022-03-27T04:52:23.21 3.0 undecidable manual Sn -0.56 0
AC.VLO.HHZ. 2022-03-27T04:52:21.87 3.0 undecidable manual Pn -2.05 0
IV.MSRU.HHZ. 2022-03-27T04:52:17.96 3.0 undecidable manual Pn 2.79 0
IV.MILZ.HHZ. 2022-03-27T04:52:10.05 3.0 undecidable manual Pn -3.58 0
IV.CERA.HNZ. 2022-03-27T04:52:08.33 3.0 undecidable manual Sg 1.58 0
IV.VVLD.HHZ. 2022-03-27T04:51:52.58 3.0 undecidable manual Sn -4.36 0
IV.IFOR.HHZ. 2022-03-27T04:51:49.69 3.0 undecidable manual Pg 12.36 0
IV.FAGN.HHZ. 2022-03-27T04:51:24.34 3.0 positive manual Pg 5.1 0
ST.RONC.EHZ. 2022-03-27T04:51:20.69 3.0 undecidable manual Pn 1.61 0
IV.CESX.HHZ. 2022-03-27T04:51:12.40 3.0 undecidable manual P 3.74 0
IV.GUMA.HHZ. 2022-03-27T04:51:11.55 3.0 positive manual Pn 0.32 0
IV.RUFI.EHE. 2022-03-27T04:51:03.15 0.6 undecidable manual S 185 34.5432 90 0.59 41
GU.GRAM.HHZ. 2022-03-27T04:51:03.20 3.0 undecidable manual P 0.48 0
IV.BOSL.HHE. 2022-03-27T04:51:01.21 0.6 undecidable manual S 210 27.8499 90 0.46 44
IV.FNVD.HHZ. 2022-03-27T04:51:01.61 0.3 undecidable manual S 274 33.8439 90 -0.76 58
IV.MOCL.EHZ. 2022-03-27T04:51:01.99 0.6 undecidable manual S 242 33.2445 90 -0.22 46
IV.MTRZ.HHZ. 2022-03-27T04:50:59.73 0.3 undecidable manual S 332 20.6682 90 0.88 59
IV.SEI.HHZ. 2022-03-27T04:50:58.39 0.1 undecidable manual S 235 18.3705 90 0.17 96
IV.BRIS.HHZ. 2022-03-27T04:50:58.64 0.6 undecidable manual S 64 19.3695 90 0.15 48
IV.LMD.HHZ. 2022-03-27T04:50:57.46 0.6 undecidable manual S 122 14.9739 90 0.14 48
IV.FNVD.HHZ. 2022-03-27T04:50:57.27 0.3 undecidable manual P 274 33.8439 90 -0.24 69
IV.RUFI.EHE. 2022-03-27T04:50:57.55 0.3 undecidable manual P 185 34.5432 90 -0.07 73
IV.MOCL.EHZ. 2022-03-27T04:50:57.55 0.3 undecidable manual P 242 33.2445 90 0.13 71
IV.BOSL.HHE. 2022-03-27T04:50:56.76 0.3 undecidable manual P 210 27.8499 90 0.19 70
IV.IMOL.HNZ. 2022-03-27T04:50:56.53 0.3 undecidable manual P 33 28.0497 90 -0.09 72
IV.MTRZ.HHZ. 2022-03-27T04:50:55.62 0.3 undecidable manual P 332 20.6682 90 0.14 73
IV.SEI.HHZ. 2022-03-27T04:50:55.10 0.1 undecidable manual P 235 18.3705 90 -0.01 100
IV.VISG.HHZ. 2022-03-27T04:50:55.63 0.3 undecidable manual S 297 10.0788 119 -0.44 68
IV.BRIS.HHZ. 2022-03-27T04:50:55.19 0.3 undecidable manual P 64 19.3695 90 -0.08 74
IV.RIBO.EHZ.01 2022-03-27T04:50:54.77 3.0 undecidable manual P -2.06 0
IV.LMD.HHZ. 2022-03-27T04:50:54.50 0.1 undecidable manual P 122 14.9739 90 -0.09 100
IV.VISG.HHZ. 2022-03-27T04:50:53.62 0.3 undecidable manual P 297 10.0788 119 -0.25 72
IV.CSNT.HHZ. 2022-03-27T04:50:46.77 3.0 negative manual P 0.68 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHN. ML:1.6 0.000477 0.28 AML other m 2022-03-27T04:50:55.40
IV.VISG.HHE. ML:1.4 0.000291 0.84 AML other m 2022-03-27T04:50:55.68
IV.LMD.HHE. ML:1.1 0.0001041 0.66 AML other m 2022-03-27T04:50:57.16
IV.LMD.HHN. ML:1.1 0.00010925 0.16 AML other m 2022-03-27T04:50:57.59
IV.SEI.HHN. ML:1.6 0.00033650000000000005 0.3 AML other m 2022-03-27T04:50:58.66
IV.BRIS.HHN. ML:1.3 0.00013780000000000002 0.32 AML other m 2022-03-27T04:50:58.98
IV.SEI.HHE. ML:1.4 0.0001735 1.58 AML other m 2022-03-27T04:50:59.13
IV.MTRZ.HHE. ML:1.6 0.0003125 0.3 AML other m 2022-03-27T04:51:01.45
IV.MTRZ.HHN. ML:1.7 0.0003735 0.38 AML other m 2022-03-27T04:51:01.71
IV.BRIS.HHE. ML:0.9 0.000055900000000000004 0.6 AML other m 2022-03-27T04:51:02.82
IV.FNVD.HHN. ML:1.4 0.0000999 1.44 AML other m 2022-03-27T04:51:03.21
IV.FNVD.HHE. ML:1.3 0.0000769 0.44 AML other m 2022-03-27T04:51:03.51
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