Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 29-03-2022 and time 11:53:33 (Italy) in region 4 km N Palazzuolo sul Senio (FI)

A magnitude ML 1.9 earthquake occured in region: 4 km N Palazzuolo sul Senio (FI), on

  • 29-03-2022 09:53:33 (UTC)
  • 29-03-2022 11:53:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1510, 11.5350 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.

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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 4 1154 1154
Castel del Rio BO 7 1246 2400
Marradi FI 10 3139 5539
Casola Valsenio RA 11 2617 8156
Fontanelice BO 12 1943 10099
Firenzuola FI 13 4726 14825
Borgo Tossignano BO 15 3288 18113
Casalfiumanese BO 18 3438 21551
Tredozio FC 19 1212 22763
Monghidoro BO 19 3749 26512

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Imola (69797 inhabitants)
32 Km W of Faenza (58541 inhabitants)
41 Km SE of Bologna (386663 inhabitants)
41 Km W of Forlì (117913 inhabitants)
46 Km NE of Prato (191150 inhabitants)
48 Km NE of Firenze (382808 inhabitants)
52 Km NE of Scandicci (50609 inhabitants)
55 Km E of Pistoia (90315 inhabitants)
57 Km W of Cesena (96758 inhabitants)
61 Km W of Ravenna (159116 inhabitants)
73 Km SE of Modena (184973 inhabitants)
77 Km S of Ferrara (133155 inhabitants)
81 Km NW of Arezzo (99543 inhabitants)
83 Km W of Rimini (147750 inhabitants)
87 Km SE of Carpi (70699 inhabitants)
89 Km E of Lucca (89046 inhabitants)
94 Km N of Siena (53903 inhabitants)
94 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 1.9 2022-03-29
09:53:33		 44.1512 11.5352 9 2022-07-08
12:34:01		 Bollettino Sismico Italiano INGV 105552371
Reviewed
Rev100 		ML 1.7 2022-03-29
09:53:33		 44.1513 11.538 9 2022-03-29
10:00:51		 Sala Sismica INGV-Roma 102526631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-29 09:53:33 ± 0.11
Latitude 44.1512 ± 0.0063
Longitude 11.5352 ± 0.0088
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 105552371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 719
Semi-minor axis of confidence ellipse (meter) 585
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67989
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 102526631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-29 10:00:51

ML:1.9

Field Value
Value 1.9
Uncertainty 0.5
Num. used stations 18
Type of magnitude ML
Reference to an origin 105552371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-04 03:37:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ENR.HHZ. 2022-03-29T09:54:22.26 3.0 positive manual Pn 6.97 0
IV.RIBO.EHZ.01 2022-03-29T09:54:18.52 3.0 undecidable manual Sn -4.73 0
GU.GENL.EHZ. 2022-03-29T09:54:11.29 3.0 negative manual Pn 9.02 0
IV.LATE.HHZ. 2022-03-29T09:54:07.68 3.0 undecidable manual Sn 0.06 0
IV.AGLI.HHZ. 2022-03-29T09:54:03.55 3.0 undecidable manual Pg 12.32 0
GU.POPM.HHZ. 2022-03-29T09:53:53.92 0.6 undecidable manual S 260 63.0924 50 0.5 42
IV.HLNI.HHZ. 2022-03-29T09:53:53.83 3.0 negative manual Pg 15.66 0
IV.MMO1.EHZ. 2022-03-29T09:53:48.99 3.0 undecidable manual Sg 2.62 0
IV.BDI.HHZ. 2022-03-29T09:53:46.83 0.3 undecidable manual P 263 75.4689 50 -0.12 67
IV.ACATE.EHZ. 2022-03-29T09:53:45.71 3.0 positive manual Pn 2.32 0
IV.CRMI.HHZ. 2022-03-29T09:53:45.15 0.3 undecidable manual P 229 59.3961 50 0.68 59
IV.FNVD.HHZ. 2022-03-29T09:53:45.21 0.3 undecidable manual S 273 32.8449 50 -0.14 72
IV.MOCL.EHZ. 2022-03-29T09:53:45.31 0.3 undecidable manual S 240 32.5452 50 0.04 74
IV.BOSL.HHZ. 2022-03-29T09:53:44.23 0.6 undecidable manual S 208 27.5502 108 0.59 43
GU.POPM.HHZ. 2022-03-29T09:53:44.88 0.3 undecidable manual P 260 63.0924 50 -0.17 68
IV.IMOL.HNZ. 2022-03-29T09:53:44.47 0.6 undecidable manual S 35 28.3494 107 0.56 44
IV.ZCCA.HHZ. 2022-03-29T09:53:43.76 0.1 negative manual P 297 49.617 50 0.8 77
IV.SEI.HHZ. 2022-03-29T09:53:41.03 0.3 undecidable manual S 233 17.6712 116 0.58 67
IV.BRIS.HHZ. 2022-03-29T09:53:41.37 0.3 undecidable manual S 66 20.1687 113 0.16 74
IV.MTRZ.HHZ. 2022-03-29T09:53:41.96 0.6 undecidable manual S 334 19.9689 114 0.8 40
IV.LMD.HHZ. 2022-03-29T09:53:40.04 0.6 undecidable manual S 121 15.9729 119 0.13 50
IV.FNVD.HHZ. 2022-03-29T09:53:39.71 0.1 positive manual P 273 32.8449 50 -0.67 84
IV.MOCL.EHZ. 2022-03-29T09:53:39.85 0.1 positive manual P 240 32.5452 50 -0.49 90
IV.BOSL.HHZ. 2022-03-29T09:53:39.25 0.1 positive manual P 208 27.5502 108 -0.14 97
IV.IMOL.HNZ. 2022-03-29T09:53:39.60 0.6 undecidable manual P 35 28.3494 107 0.05 49
IV.BRIS.HHZ. 2022-03-29T09:53:37.73 0.1 positive manual P 66 20.1687 113 -0.26 96
IV.MTRZ.HHZ. 2022-03-29T09:53:37.89 0.1 positive manual P 334 19.9689 114 -0.07 100
IV.LMD.HHZ. 2022-03-29T09:53:37.08 0.1 positive manual P 121 15.9729 119 -0.17 99
IV.SEI.HHZ. 2022-03-29T09:53:37.46 0.1 positive manual P 233 17.6712 116 -0.09 100
IV.VISG.HHZ. 2022-03-29T09:53:37.43 0.6 undecidable manual S 298 9.0798 134 -0.53 46
IV.VISG.HHZ. 2022-03-29T09:53:35.67 0.1 negative manual P 298 9.0798 134 -0.44 94
IV.PLLN.EHZ. 2022-03-29T09:53:34.08 3.0 undecidable manual Pg 2.17 0
IV.MSRU.HHZ. 2022-03-29T09:53:31.86 3.0 negative manual Pg 7.15 0
IV.RIBO.EHZ.01 2022-03-29T09:53:31.57 3.0 positive manual Pn -3.51 0
CR.STON.BHZ. 2022-03-29T09:53:29.24 3.0 undecidable manual Sn -4.87 0
IV.FDMO.HHZ. 2022-03-29T09:53:26.48 3.0 undecidable manual Pg 9.06 0
IV.RNI2.HHZ. 2022-03-29T09:52:57.11 3.0 undecidable manual Pn -2.69 0
IV.BSSO.HHZ. 2022-03-29T09:52:54.90 3.0 positive manual P 0.39 0
IV.MCEL.HHZ. 2022-03-29T09:52:54.84 3.0 undecidable manual P -1.42 0
IV.SLCN.HHZ. 2022-03-29T09:52:53.87 3.0 positive manual P -1.58 0
IX.SNR3.EHZ.02 2022-03-29T09:52:52.12 3.0 negative manual P -0.2 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SLCN.HHE. ML:3.9 0.0001895 0.32 AML other m 2022-03-29T09:52:55.39
IV.SLCN.HHN. ML:3.8 0.00015900000000000002 0.44 AML other m 2022-03-29T09:52:55.62
IV.LMD.HHE. ML:1.6 0.00042500000000000003 0.54 AML other m 2022-03-29T09:53:40.22
IV.LMD.HHN. ML:1.7 0.0005135 0.52 AML other m 2022-03-29T09:53:41.44
IV.BRIS.HHN. ML:2.0 0.0008644999999999999 0.24 AML other m 2022-03-29T09:53:41.58
IV.SEI.HHE. ML:1.9 0.000693 0.46 AML other m 2022-03-29T09:53:42.39
IV.MTRZ.HHN. ML:2.3 0.001405 0.22 AML other m 2022-03-29T09:53:43.93
IV.MTRZ.HHE. ML:2.3 0.0014650000000000002 0.22 AML other m 2022-03-29T09:53:44.00
IV.SEI.HHN. ML:2.2 0.001204 0.42 AML other m 2022-03-29T09:53:44.75
IV.BRIS.HHE. ML:1.6 0.00032950000000000004 1.1 AML other m 2022-03-29T09:53:44.43
IV.FNVD.HHN. ML:2.2 0.0007624999999999999 0.14 AML other m 2022-03-29T09:53:45.45
IV.FNVD.HHE. ML:2.2 0.0007019999999999999 0.12 AML other m 2022-03-29T09:53:45.53
IV.MOCL.EHE. ML:1.5 0.000128 1.24 AML other m 2022-03-29T09:53:45.02
IV.BOSL.HHE. ML:1.0 0.0000585 1.04 AML other m 2022-03-29T09:53:46.16
IV.BOSL.HHN. ML:1.1 0.00006945000000000001 0.52 AML other m 2022-03-29T09:53:47.57
IV.MOCL.EHN. ML:1.4 0.00010650000000000001 1.78 AML other m 2022-03-29T09:53:48.00
IV.CRMI.HHN. ML:1.3 0.0000393 0.94 AML other m 2022-03-29T09:53:56.44
IV.CRMI.HHE. ML:1.1 0.000023899999999999998 0.6 AML other m 2022-03-29T09:53:57.82
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