Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 26-03-2022 and time 21:58:12 (Italy) in region 4 km NW Palazzuolo sul Senio (FI)

A magnitude ML 2.2 earthquake occured in region: 4 km NW Palazzuolo sul Senio (FI), on

  • 26-03-2022 20:58:12 (UTC)
  • 26-03-2022 21:58:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1420, 11.5290 at 8 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 8 1246 2400
Marradi FI 10 3139 5539
Casola Valsenio RA 12 2617 8156
Firenzuola FI 12 4726 12882
Fontanelice BO 13 1943 14825
Borgo Tossignano BO 16 3288 18113
Tredozio FC 19 1212 19325
Casalfiumanese BO 19 3438 22763
Monghidoro BO 19 3749 26512

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Imola (69797 inhabitants)
33 Km W of Faenza (58541 inhabitants)
42 Km W of Forlì (117913 inhabitants)
42 Km SE of Bologna (386663 inhabitants)
45 Km NE of Prato (191150 inhabitants)
47 Km NE of Firenze (382808 inhabitants)
51 Km NE of Scandicci (50609 inhabitants)
54 Km E of Pistoia (90315 inhabitants)
57 Km W of Cesena (96758 inhabitants)
62 Km W of Ravenna (159116 inhabitants)
74 Km SE of Modena (184973 inhabitants)
78 Km S of Ferrara (133155 inhabitants)
80 Km NW of Arezzo (99543 inhabitants)
83 Km W of Rimini (147750 inhabitants)
88 Km SE of Carpi (70699 inhabitants)
89 Km E of Lucca (89046 inhabitants)
93 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 2.2 2022-03-26
20:58:12		 44.142 11.5287 8 2022-07-08
12:33:53		 Bollettino Sismico Italiano INGV 104256511
Reviewed
Rev100 		ML 2.3 2022-03-26
20:58:12		 44.1373 11.5333 4 2022-03-26
21:09:04		 Sala Sismica INGV-Roma 102417541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-26 20:58:12 ± 0.08
Latitude 44.1420 ± 0.0054
Longitude 11.5287 ± 0.0063
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104256511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 596
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 2.58915
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 89
Type of magnitude ML
Reference to an origin 102417541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-26 21:09:04

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 90
Type of magnitude ML
Reference to an origin 104256511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-03 09:33:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHZ. 2022-03-26T20:58:54.77 0.3 undecidable manual P 357 287.3901 38 -0.67 19
OX.DRE.HHZ. 2022-03-26T20:58:52.49 0.3 undecidable manual P 36 279.609 38 -1.98 10
SI.KOSI.HHZ. 2022-03-26T20:58:51.22 0.3 undecidable manual P 357 257.742 38 -0.54 27
NI.PALA.HHZ. 2022-03-26T20:58:50.04 0.3 undecidable manual P 25 257.5533 38 -1.69 15
OX.MLN.HHZ. 2022-03-26T20:58:47.84 0.3 undecidable manual P 21 238.3836 38 -1.5 20
OX.VARN.HHZ. 2022-03-26T20:58:44.39 0.3 undecidable manual P 12 210.1341 38 -1.44 25
ST.DOSS.HHZ. 2022-03-26T20:58:44.07 0.6 undecidable manual P 352 194.7606 38 0.16 30
IV.MAGA.HHZ. 2022-03-26T20:58:42.96 0.3 undecidable manual P 339 194.4609 38 -0.92 35
IV.ROVR.HHZ. 2022-03-26T20:58:40.09 0.3 undecidable manual P 348 170.6958 50 -0.59 46
IV.CASP.HHZ. 2022-03-26T20:58:39.83 0.6 undecidable manual P 200 159.1185 50 0.93 28
IV.TEOL.HHZ. 2022-03-26T20:58:35.20 0.3 undecidable manual P 5 135.7641 50 -0.09 59
GU.POPM.HHZ. 2022-03-26T20:58:32.86 0.6 undecidable manual S 260 62.3931 50 0.45 42
IV.BRSN.EHN. 2022-03-26T20:58:30.24 0.6 undecidable manual S 70 46.62 50 2.06 18
IV.CAFI.HHZ. 2022-03-26T20:58:29.76 0.3 undecidable manual P 159 96.7254 50 0.48 59
IV.PII.HHZ. 2022-03-26T20:58:28.81 0.3 undecidable manual P 240 92.7405 50 0.15 64
GU.GSCL.HHZ. 2022-03-26T20:58:27.10 0.3 undecidable manual P 288 78.2661 50 0.67 57
IV.PARC.HHZ. 2022-03-26T20:58:26.53 0.3 undecidable manual P 134 78.8655 50 0.01 67
IV.MPPT.EHZ. 2022-03-26T20:58:26.67 0.6 undecidable manual S 240 40.5261 50 0.11 47
IV.CSNT.HHZ. 2022-03-26T20:58:26.32 0.3 undecidable manual P 195 76.5678 50 0.14 66
IV.FAEN.HNZ. 2022-03-26T20:58:25.47 0.6 undecidable manual S 59 32.1456 103 1.52 27
IV.BDI.HHZ. 2022-03-26T20:58:25.60 0.3 undecidable manual P 264 74.8695 50 -0.31 64
IV.OSSC.HHZ. 2022-03-26T20:58:25.72 0.3 undecidable manual P 198 72.2721 50 0.22 65
IV.FNVD.HHZ. 2022-03-26T20:58:24.00 0.6 undecidable manual S 275 32.4453 103 -0.04 49
IV.CRE.HHZ. 2022-03-26T20:58:24.44 0.3 undecidable manual P 150 67.1772 50 -0.28 65
IV.FIU.EHN. 2022-03-26T20:58:24.00 0.6 undecidable manual P 357 55.4001 50 1.1 33
IV.MOCL.EHZ. 2022-03-26T20:58:23.84 0.6 undecidable manual S 241 31.6461 103 0.08 48
GU.POPM.HHZ. 2022-03-26T20:58:23.62 0.3 undecidable manual P 260 62.3931 50 -0.38 64
IV.RUFI.EHZ. 2022-03-26T20:58:23.28 0.6 undecidable manual S 183 33.744 103 -1.21 32
IV.IMOL.EHZ. 2022-03-26T20:58:23.08 0.6 undecidable manual S 35 29.5482 104 0.02 49
IV.CRMI.HHZ. 2022-03-26T20:58:22.96 0.3 undecidable manual P 229 58.2972 50 -0.4 65
IV.ZCCA.HHZ. 2022-03-26T20:58:22.74 0.3 undecidable manual P 298 49.617 50 0.72 59
IV.MTRZ.HHZ. 2022-03-26T20:58:21.31 0.6 undecidable manual S 336 20.6682 110 1.19 33
IT.FIE.HGE. 2022-03-26T20:58:21.88 0.3 undecidable manual P 207 41.625 50 1.1 50
IV.BOSL.HHZ. 2022-03-26T20:58:21.92 0.6 undecidable manual S 208 26.4513 106 -0.11 48
IV.BRSN.EHN. 2022-03-26T20:58:21.69 0.3 undecidable manual P 70 46.62 50 0.13 70
IV.BRIS.HHZ. 2022-03-26T20:58:20.04 0.3 undecidable manual S 64 21.0678 110 -0.2 72
IV.MPPT.EHZ. 2022-03-26T20:58:20.26 0.1 positive manual P 240 40.5261 50 -0.36 90
IV.SEI.HHZ. 2022-03-26T20:58:19.88 0.6 undecidable manual S 234 16.6722 114 1.05 36
IV.RUFI.EHZ. 2022-03-26T20:58:19.12 0.1 positive manual P 183 33.744 103 -0.3 92
IV.FAEN.HNZ. 2022-03-26T20:58:19.82 0.3 undecidable manual P 59 32.1456 103 0.71 61
IV.FNVD.HHZ. 2022-03-26T20:58:18.72 0.1 positive manual P 275 32.4453 103 -0.44 89
IV.BOSL.HHZ. 2022-03-26T20:58:18.20 0.1 positive manual P 208 26.4513 106 0.2 95
IV.IMOL.EHZ. 2022-03-26T20:58:18.47 0.1 positive manual P 35 29.5482 104 -0.12 96
IV.LMD.HHZ. 2022-03-26T20:58:18.57 0.6 undecidable manual S 117 15.873 115 -0.03 50
IV.MOCL.EHZ. 2022-03-26T20:58:18.80 0.1 positive manual P 241 31.6461 103 -0.21 94
IV.SEI.HHZ. 2022-03-26T20:58:16.44 0.1 positive manual P 234 16.6722 114 0.28 95
IV.MTRZ.HHZ. 2022-03-26T20:58:16.94 0.1 undecidable manual P 336 20.6682 110 0.04 99
IV.VISG.HHZ. 2022-03-26T20:58:16.42 0.3 undecidable manual S 305 9.1797 129 -0.17 74
IV.BRIS.HHZ. 2022-03-26T20:58:16.62 0.1 positive manual P 64 21.0678 110 -0.35 93
IV.LMD.HHZ. 2022-03-26T20:58:15.98 0.1 positive manual P 117 15.873 115 -0.04 100
IV.VISG.HHZ. 2022-03-26T20:58:14.73 0.1 undecidable manual P 305 9.1797 129 -0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SEI.HHN. ML:2.7 0.0043551415000000005 1.5648 AML other m 2022-03-26T20:58:22.00
IV.LMD.HHE. ML:2.1 0.0013234759999999999 0.2304 AML other m 2022-03-26T20:58:19.64
IV.LMD.HHN. ML:2.1 0.0013505995 0.1024 AML other m 2022-03-26T20:58:19.13
IV.BRIS.HHE. ML:2.3 0.0014472640000000002 0.5248 AML other m 2022-03-26T20:58:24.29
IV.BRIS.HNE. ML:2.7 0.003643583 0.5248 AML other m 2022-03-26T20:58:24.30
IV.BRIS.HNN. ML:3.0 0.007138923500000001 0.2944 AML other m 2022-03-26T20:58:20.46
IV.BRIS.HHN. ML:2.6 0.002959325 0.2816 AML other m 2022-03-26T20:58:20.45
IV.BOSL.HHN. ML:1.6 0.0002134573 0.4864 AML other m 2022-03-26T20:58:26.52
IV.SEI.HHE. ML:2.7 0.0043294449999999995 0.5632 AML other m 2022-03-26T20:58:22.41
IV.MOCL.EHN. ML:2.1 0.0005652222500000001 0.4352 AML other m 2022-03-26T20:58:26.57
IV.FNVD.HHN. ML:3.0 0.0043929065 0.1408 AML other m 2022-03-26T20:58:24.56
IV.MOCL.EHE. ML:2.1 0.00066441165 0.1792 AML other m 2022-03-26T20:58:25.78
IV.FNVD.HHE. ML:3.0 0.0040571765 0.128 AML other m 2022-03-26T20:58:24.64
IV.MPPT.EHE. ML:1.8 0.00019301925 0.2432 AML other m 2022-03-26T20:58:29.59
IV.MPPT.EHN. ML:1.8 0.0002363163 0.3968 AML other m 2022-03-26T20:58:31.64
GU.POPM.HHN. ML:2.3 0.00040400740000000004 0.2304 AML other m 2022-03-26T20:58:33.67
GU.POPM.HHE. ML:2.1 0.00026386355 0.1536 AML other m 2022-03-26T20:58:34.34
IV.CRE.HHN. ML:2.1 0.0002414805 0.32 AML other m 2022-03-26T20:58:37.97
IV.CRE.HHE. ML:1.8 0.000126635 0.4224 AML other m 2022-03-26T20:58:39.94
IV.OSSC.HHN. ML:1.9 0.0001150708 0.9984 AML other m 2022-03-26T20:58:43.65
IV.OSSC.HHE. ML:2.1 0.00019010585 0.4352 AML other m 2022-03-26T20:58:38.74
IV.BDI.HHN. ML:2.0 0.0001351251 0.3328 AML other m 2022-03-26T20:58:39.96
IV.BDI.HNN. ML:2.0 0.00015289686 0.4224 AML other m 2022-03-26T20:58:37.59
IV.BDI.HHE. ML:1.9 0.00012217315000000002 0.4096 AML other m 2022-03-26T20:58:40.72
IV.PARC.HHN. ML:1.7 0.000072342605 0.3072 AML other m 2022-03-26T20:58:44.40
IV.CAFI.HHN. ML:1.8 0.000064758725 0.6272 AML other m 2022-03-26T20:58:45.84
IV.CAFI.HHE. ML:1.9 0.00009168623 0.6656 AML other m 2022-03-26T20:58:46.40
IV.MTRZ.HHN. ML:3.1 0.0093018255 0.3328 AML other m 2022-03-26T20:58:23.83
IV.MTRZ.HNE. ML:3.1 0.0093086285 0.2304 AML other m 2022-03-26T20:58:23.14
IV.MTRZ.HNN. ML:3.1 0.009026377 0.3328 AML other m 2022-03-26T20:58:23.83
IV.MTRZ.HHE. ML:3.1 0.009721989 0.2432 AML other m 2022-03-26T20:58:23.14
IV.BOSL.HHE. ML:1.7 0.0002792478 0.1536 AML other m 2022-03-26T20:58:24.04
IV.IMOL.HNE. ML:2.7 0.0025012565 0.2432 AML other m 2022-03-26T20:58:24.95
IV.IMOL.EHN. ML:2.4 0.00141435 0.8576 AML other m 2022-03-26T20:58:30.17
IV.IMOL.HNN. ML:2.8 0.0029264515 0.6656 AML other m 2022-03-26T20:58:29.12
IV.IMOL.EHE. ML:2.3 0.0010930399 0.576 AML other m 2022-03-26T20:58:32.28
IV.RUFI.EHN. ML:2.0 0.0004312412 0.5632 AML other m 2022-03-26T20:58:28.57
IV.RUFI.EHE. ML:1.9 0.0003607255 0.64 AML other m 2022-03-26T20:58:26.62
IV.ZCCA.HNN. ML:2.0 0.00025608995499999996 0.448 AML other m 2022-03-26T20:58:38.14
IV.ZCCA.HHE. ML:1.7 0.00013214704999999998 0.3968 AML other m 2022-03-26T20:58:32.19
IV.ZCCA.HNE. ML:1.8 0.00016458545 0.768 AML other m 2022-03-26T20:58:44.24
IV.ZCCA.HHN. ML:1.9 0.00019764875 0.4608 AML other m 2022-03-26T20:58:34.10
IV.CRMI.HNN. ML:2.1 0.00030203225 0.7936 AML other m 2022-03-26T20:58:38.12
IV.CRMI.HNE. ML:1.8 0.000129297665 0.768 AML other m 2022-03-26T20:58:34.81
IV.CRMI.HHE. ML:1.5 0.0000705676 0.3328 AML other m 2022-03-26T20:58:38.39
IV.CRMI.HHN. ML:1.9 0.0001621358 0.4352 AML other m 2022-03-26T20:58:38.13
IV.BDI.HNE. ML:2.1 0.000193049625 0.5632 AML other m 2022-03-26T20:58:40.92
IV.CSNT.HHN. ML:2.0 0.00015018094999999997 0.7296 AML other m 2022-03-26T20:58:44.22
IV.CSNT.HHE. ML:2.0 0.0001493835 0.4224 AML other m 2022-03-26T20:58:41.34
IV.PARC.HHE. ML:1.7 0.000074993805 0.5248 AML other m 2022-03-26T20:58:47.90
GU.GSCL.HHN. ML:1.8 0.00009396184 0.3328 AML other m 2022-03-26T20:58:48.15
GU.GSCL.HHE. ML:1.8 0.000087538525 0.5376 AML other m 2022-03-26T20:58:49.22
IV.PII.HHN. ML:2.0 0.00011981014500000001 0.32 AML other m 2022-03-26T20:58:46.54
IV.PII.HHE. ML:2.0 0.000126254135 0.5248 AML other m 2022-03-26T20:58:50.96
IV.CAFI.HNN. ML:1.9 0.00007340474699999999 0.8192 AML other m 2022-03-26T20:58:35.15
IV.CAFI.HNE. ML:2.0 0.0001097021 1.1264 AML other m 2022-03-26T20:58:45.83
IV.TEOL.HHN. ML:2.4 0.0001524389 0.4992 AML other m 2022-03-26T20:59:02.15
IV.TEOL.HHE. ML:2.4 0.00015816985 0.512 AML other m 2022-03-26T20:59:04.76
IV.CASP.HNE. ML:2.4 0.00012154765000000001 0.8448 AML other m 2022-03-26T20:59:03.37
IV.CASP.HHN. ML:1.5 0.000015215525 0.3328 AML other m 2022-03-26T20:59:07.78
IV.CASP.HHE. ML:1.3 0.00001240113 0.5504 AML other m 2022-03-26T20:59:10.54
IV.CASP.HNN. ML:2.6 0.00016333424999999998 0.9216 AML other m 2022-03-26T20:58:44.19
IV.ROVR.HHE. ML:2.4 0.000094926345 0.384 AML other m 2022-03-26T20:59:08.15
IV.ROVR.HNE. ML:2.6 0.0001489915 0.5376 AML other m 2022-03-26T20:59:04.60
IV.ROVR.HNN. ML:2.8 0.00024401621 0.3456 AML other m 2022-03-26T20:59:06.38
IV.ROVR.HHN. ML:2.7 0.00020185229999999997 0.2944 AML other m 2022-03-26T20:59:06.39
IV.MAGA.HHN. ML:2.6 0.00014045755 0.3456 AML other m 2022-03-26T20:59:17.93
IV.MAGA.HHE. ML:2.8 0.00019369065000000003 0.4096 AML other m 2022-03-26T20:59:16.07
ST.DOSS.HHN. ML:2.5 0.00009573351 0.4352 AML other m 2022-03-26T20:59:13.21
ST.DOSS.HNE. ML:2.6 0.000122937995 0.6656 AML other m 2022-03-26T20:59:08.62
ST.DOSS.HNN. ML:2.6 0.00011749513 0.6272 AML other m 2022-03-26T20:59:11.28
ST.DOSS.HHE. ML:2.5 0.00009734428 0.4352 AML other m 2022-03-26T20:59:11.07
OX.VARN.HHN. ML:2.3 0.000049459959999999995 0.6784 AML other m 2022-03-26T20:59:24.92
OX.VARN.HNE. ML:2.4 0.000059708625 0.3584 AML other m 2022-03-26T20:59:29.13
OX.VARN.HNN. ML:2.3 0.000049368960000000005 0.7296 AML other m 2022-03-26T20:59:34.30
OX.VARN.HHE. ML:2.4 0.000057715995 0.3584 AML other m 2022-03-26T20:59:29.13
OX.MLN.HHE. ML:2.0 0.00001968507 0.256 AML other m 2022-03-26T20:59:16.24
OX.MLN.HNE. ML:2.7 0.000116316385 1.1392 AML other m 2022-03-26T20:59:07.60
OX.MLN.HNN. ML:2.9 0.0001509136305 1.4592 AML other m 2022-03-26T20:59:28.03
OX.MLN.HHN. ML:2.0 0.000021524744999999997 0.2432 AML other m 2022-03-26T20:59:16.35
NI.PALA.HHN. ML:2.5 0.000055413329999999996 0.7296 AML other m 2022-03-26T20:59:43.97
NI.PALA.HHE. ML:2.4 0.000045219655 0.5248 AML other m 2022-03-26T20:59:41.27
SI.KOSI.HHN. ML:2.3 0.000033964195 0.5504 AML other m 2022-03-26T20:59:22.35
SI.KOSI.HHE. ML:2.4 0.000037722645 0.512 AML other m 2022-03-26T20:59:36.02
OX.DRE.HHE. ML:2.4 0.000033258965 0.3328 AML other m 2022-03-26T20:59:25.95
OX.DRE.HNE. ML:2.4 0.00004091764499999999 0.6528 AML other m 2022-03-26T20:59:32.86
OX.DRE.HHN. ML:2.4 0.000036530834999999995 0.4992 AML other m 2022-03-26T20:59:45.02
OX.DRE.HNN. ML:2.5 0.000049436650000000024 0.9984 AML other m 2022-03-26T20:58:56.51
SI.ABSI.HHN. ML:2.5 0.000043371315000000004 0.5888 AML other m 2022-03-26T20:59:39.40
SI.ABSI.HHE. ML:2.5 0.000046687884999999996 0.4864 AML other m 2022-03-26T20:59:29.40
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
Waveforms Seismic signals in miniseed + resp format Download