Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 12-05-2022 and time 03:38:01 (UTC) in region 3 km N Vaiano (PO)

A magnitude ML 1.6 earthquake occured in region: 3 km N Vaiano (PO), on

  • 12-05-2022 03:38:01 (UTC)
  • 12-05-2022 05:38:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0000, 11.1260 at 59 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
Vaiano PO 3 9895 9895
Cantagallo PO 4 3105 13000
Vernio PO 7 6060 19060
Barberino di Mugello FI 9 10836 29896
Montemurlo PO 11 18456 48352
Montale PT 11 10737 59089
Prato PO 13 191150 250239
Agliana PT 14 17525 267764
Calenzano FI 15 17489 285253
Sambuca Pistoiese PT 15 1626 286879
Castiglione dei Pepoli BO 16 5648 292527
Vaglia FI 16 5073 297600
Scarperia e San Piero FI 16 12217 309817
Pistoia PT 18 90315 400132
Camugnano BO 19 1885 402017
Sesto Fiorentino FI 19 48958 450975
Castel di Casio BO 20 3448 454423
Campi Bisenzio FI 20 46166 500589

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of Prato (191150 inhabitants)
18 Km E of Pistoia (90315 inhabitants)
27 Km N of Scandicci (50609 inhabitants)
28 Km NW of Firenze (382808 inhabitants)
53 Km E of Lucca (89046 inhabitants)
58 Km SW of Bologna (386663 inhabitants)
61 Km SW of Imola (69797 inhabitants)
66 Km E of Pisa (89158 inhabitants)
68 Km W of Faenza (58541 inhabitants)
72 Km E of Viareggio (62467 inhabitants)
74 Km S of Modena (184973 inhabitants)
77 Km W of Forlì (117913 inhabitants)
78 Km N of Siena (53903 inhabitants)
79 Km E of Massa (69479 inhabitants)
82 Km NE of Livorno (159219 inhabitants)
83 Km E of Carrara (63133 inhabitants)
85 Km NW of Arezzo (99543 inhabitants)
87 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km S of Carpi (70699 inhabitants)
91 Km W of Cesena (96758 inhabitants)
98 Km W of Ravenna (159116 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 1.6 2022-05-12
03:38:01		 43.9997 11.1257 59 2023-01-31
19:03:15		 Bollettino Sismico Italiano INGV 105692871
Reviewed
Rev100 		Md 2.0
ML 1.6 		2022-05-12
03:38:02		 43.9447 11.1383 52 2022-05-12
03:46:59		 Sala Sismica INGV-Roma 104515991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-12 03:38:01 ± 0.15
Latitude 43.9997 ± 0.0117
Longitude 11.1257 ± 0.0125
Depth (km) 59 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105692871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1055
Semi-minor axis of confidence ellipse (meter) 884
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.29597
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 105692871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-03 10:11:49

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 104515991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-12 03:46:59

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 3
Type of magnitude Md
Reference to an origin 104515991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-12 03:46:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2022-05-12T03:39:58.68 3.0 undecidable manual Sg 21.379999 0
IV.TDS.HHZ. 2022-05-12T03:39:45.25 3.0 positive manual Pg 19.790001 0
IV.PAOL.HHZ. 2022-05-12T03:39:44.21 3.0 undecidable manual Sn 0.31 0
IV.MESG.HHZ. 2022-05-12T03:39:27.44 3.0 undecidable manual Pn -0.99 0
IV.SAMA.EHZ. 2022-05-12T03:39:15.58 3.0 undecidable manual Sg 6.78 0
IV.VARE.HHZ. 2022-05-12T03:39:12.68 3.0 undecidable manual Sn 2.24 0
MN.TRI.HHZ. 2022-05-12T03:38:51.20 3.0 positive manual Pg 10.64 0
IV.SAMA.EHZ. 2022-05-12T03:38:50.43 3.0 undecidable manual Pg 11.03 0
IV.PTQR.HHZ. 2022-05-12T03:38:48.43 3.0 undecidable manual Pg 7.39 0
ST.ZIAN.EHZ. 2022-05-12T03:38:36.90 0.3 undecidable manual P 8 254.856 96 -0.64 26
IV.CTI.HHZ. 2022-05-12T03:38:33.37 0.3 undecidable manual P 10 230.8911 96 -1.21 24
ST.RONC.EHZ. 2022-05-12T03:38:32.84 0.3 undecidable manual P 350 223.2099 97 -0.78 31
ST.DOSS.HHZ. 2022-05-12T03:38:30.51 0.3 undecidable manual P 1 208.7355 97 -1.33 26
ST.VARA.EHZ. 2022-05-12T03:38:29.99 0.3 undecidable manual P 355 203.3409 98 -1.19 29
IV.ROVR.HHZ. 2022-05-12T03:38:27.44 0.3 undecidable manual P 359 182.7837 99 -1.2 32
IV.CSNT.HHZ. 2022-05-12T03:38:23.04 0.6 undecidable manual S 167 59.8956 125 -0.33 43
IV.MURB.HHZ. 2022-05-12T03:38:23.28 0.3 undecidable manual P 126 138.861 102 0.01 59
GU.SARM.EHN. 2022-05-12T03:38:23.45 0.6 undecidable manual S 290 61.2942 124 -0.16 44
ZH.T1647.HNN. 2022-05-12T03:38:20.65 0.6 undecidable manual S 161 46.0206 134 -0.42 43
IV.BDI.HHZ. 2022-05-12T03:38:20.14 0.6 undecidable manual S 280 42.8238 137 -0.45 43
ZH.T1646.EHN. 2022-05-12T03:38:20.35 0.6 undecidable manual S 182 37.8288 141 0.48 43
ZH.T1648.HNZ. 2022-05-12T03:38:19.77 0.6 undecidable manual S 161 39.1275 140 -0.28 45
IV.CAFI.HHZ. 2022-05-12T03:38:18.66 0.3 undecidable manual P 138 100.4217 109 0.01 64
IV.RUFI.EHZ. 2022-05-12T03:38:18.82 0.6 undecidable manual S 120 35.5422 143 -0.75 40
GU.POPM.HHZ. 2022-05-12T03:38:18.78 0.3 undecidable manual S 280 29.8479 148 -0.09 72
IV.MPPT.EHZ. 2022-05-12T03:38:17.08 0.3 undecidable manual S 211 5.4945 174 -0.03 76
IV.CRMI.HHZ. 2022-05-12T03:38:17.92 0.3 undecidable manual S 207 25.4523 152 -0.47 67
IV.ERBM.EHE. 2022-05-12T03:38:17.79 0.3 undecidable manual P 310 73.371 118 2.23 21
IV.MOCL.EHZ. 2022-05-12T03:38:17.02 0.3 undecidable manual S 82 4.3956 175 -0.07 76
IV.BOSL.HHE. 2022-05-12T03:38:17.51 0.6 undecidable manual S 111 21.2676 156 -0.49 45
IV.SEI.HHZ. 2022-05-12T03:38:17.71 0.3 undecidable manual S 72 19.5693 158 -0.15 73
IV.CRE.HHZ. 2022-05-12T03:38:16.34 0.3 undecidable manual P 122 78.4659 116 0.22 64
GU.EQUI.HHZ. 2022-05-12T03:38:16.26 0.3 undecidable manual P 284 79.6647 116 0 66
IV.BRIS.HHN. 2022-05-12T03:38:15.21 0.3 undecidable manual P 64 56.7987 127 1.39 42
IV.ZCCA.HNN. 2022-05-12T03:38:14.30 0.3 undecidable manual P 343 40.7259 138 1.95 29
MN.VLC.HHZ. 2022-05-12T03:38:14.82 0.3 undecidable manual P 287 61.494 124 0.52 62
GU.SARM.EHN. 2022-05-12T03:38:14.45 0.3 undecidable manual P 290 61.2942 124 0.18 67
IV.SFI.EHZ. 2022-05-12T03:38:14.02 0.1 undecidable manual P 100 58.5969 126 0.02 92
IV.CSNT.HHZ. 2022-05-12T03:38:14.10 0.1 undecidable manual P 167 59.8956 125 -0.03 91
IV.PII.HHZ. 2022-05-12T03:38:13.84 0.3 undecidable manual P 238 57.0984 127 -0.01 69
GU.CARD.HHZ. 2022-05-12T03:38:13.05 0.3 undecidable manual P 273 51.4152 130 -0.25 67
IV.OSSC.HHZ. 2022-05-12T03:38:13.53 0.3 undecidable manual P 170 53.7018 129 0.02 70
IV.ASQU.HHZ. 2022-05-12T03:38:13.93 0.6 undecidable manual P 113 57.5979 127 0.03 46
GU.MAIM.HHZ. 2022-05-12T03:38:13.09 0.3 undecidable manual P 259 51.5151 130 -0.22 67
IV.BDI.HHZ. 2022-05-12T03:38:12.40 0.1 undecidable manual P 280 42.8238 137 -0.12 93
ZH.T1646.EHN. 2022-05-12T03:38:12.52 0.3 undecidable manual P 182 37.8288 141 0.41 66
ZH.T1648.HNZ. 2022-05-12T03:38:12.32 0.3 undecidable manual P 161 39.1275 140 0.1 70
ZH.T1647.HNN. 2022-05-12T03:38:12.89 0.1 undecidable manual P 161 46.0206 134 0.09 93
IV.LMD.HHZ. 2022-05-12T03:38:12.99 0.1 undecidable manual P 79 47.2194 133 0.09 93
IV.VISG.HHZ. 2022-05-12T03:38:12.33 0.3 undecidable manual P 49 32.3454 146 0.63 62
IV.SEI.HHZ. 2022-05-12T03:38:11.02 0.1 positive manual P 72 19.5693 158 0.07 98
IV.FNVD.HHZ. 2022-05-12T03:38:11.58 0.3 undecidable manual P 359 18.6702 159 0.67 63
IV.CRMI.HHZ. 2022-05-12T03:38:11.32 0.1 positive manual P 207 25.4523 152 0.06 97
GU.POPM.HHZ. 2022-05-12T03:38:11.62 0.1 positive manual P 280 29.8479 148 0.09 96
IV.RUFI.EHZ. 2022-05-12T03:38:11.83 0.1 undecidable manual P 120 35.5422 143 -0.1 94
IV.BOSL.HHE. 2022-05-12T03:38:10.96 0.1 undecidable manual P 111 21.2676 156 -0.07 98
IV.MPPT.EHZ. 2022-05-12T03:38:10.59 0.1 positive manual P 211 5.4945 174 0.07 100
IV.MOCL.EHZ. 2022-05-12T03:38:10.67 0.1 positive manual P 82 4.3956 175 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPPT.EHE. ML:1.2 0.00002765 0.18 AML other m 2022-05-12T03:38:17.25
IV.MOCL.EHN. ML:1.8 0.0001365 0.24 AML other m 2022-05-12T03:38:17.30
IV.MOCL.EHE. ML:1.5 0.00007615 0.6 AML other m 2022-05-12T03:38:17.65
IV.MPPT.EHN. ML:1.3 0.0000441 0.56 AML other m 2022-05-12T03:38:17.69
IV.CRMI.HHN. ML:1.6 0.0000824 0.18 AML other m 2022-05-12T03:38:18.17
IV.CRMI.HHE. ML:1.4 0.0000432 0.18 AML other m 2022-05-12T03:38:18.34
GU.POPM.HHN. ML:1.7 0.000102 1.64 AML other m 2022-05-12T03:38:19.92
GU.POPM.HHE. ML:1.4 0.000050100000000000005 1.4 AML other m 2022-05-12T03:38:19.14
IV.BDI.HHE. ML:1.4 0.0000406 0.18 AML other m 2022-05-12T03:38:20.42
IV.BDI.HHN. ML:1.4 0.0000432 1.7 AML other m 2022-05-12T03:38:21.07
GU.CARD.HHN. ML:1.6 0.00006475 0.24 AML other m 2022-05-12T03:38:21.39
IV.SEI.HHE. ML:1.5 0.00006765 0.5 AML other m 2022-05-12T03:38:21.41
IV.OSSC.HHE. ML:1.7 0.00006884999999999999 0.64 AML other m 2022-05-12T03:38:22.25
IV.VISG.HHE. ML:1.0 0.00001905 0.9 AML other m 2022-05-12T03:38:22.78
IV.SEI.HHN. ML:1.7 0.0001007 0.48 AML other m 2022-05-12T03:38:22.12
IV.PII.HHE. ML:1.7 0.0000669 0.22 AML other m 2022-05-12T03:38:22.35
IV.OSSC.HHN. ML:1.5 0.00004045 0.76 AML other m 2022-05-12T03:38:22.57
GU.CARD.HHE. ML:1.5 0.00004885 0.1 AML other m 2022-05-12T03:38:22.64
IV.PII.HHN. ML:1.8 0.0000789 0.22 AML other m 2022-05-12T03:38:22.77
IV.SFI.EHN. ML:1.4 0.000036400000000000004 0.88 AML other m 2022-05-12T03:38:22.99
IV.SFI.EHE. ML:1.6 0.00005555 1.68 AML other m 2022-05-12T03:38:23.91
IV.VISG.HHN. ML:1.0 0.00001765 1.1 AML other m 2022-05-12T03:38:23.08
IV.CRE.HHE. ML:1.5 0.0000317 0.52 AML other m 2022-05-12T03:38:27.41
IV.CRE.HHN. ML:1.6 0.0000382 0.2 AML other m 2022-05-12T03:38:27.68
IV.MURB.HHN. ML:1.8 0.000036049999999999995 0.54 AML other m 2022-05-12T03:38:40.17
IV.MURB.HHE. ML:2.0 0.0000438 0.3 AML other m 2022-05-12T03:38:41.31
OX.AGOR.HHN. ML:2.3 0.000029650000000000002 0.28 AML other m 2022-05-12T03:38:44.77
OX.AGOR.HHE. ML:2.1 0.0000203 1.72 AML other m 2022-05-12T03:38:47.94
IV.SSFR.HHN. ML:1.7 0.00002355 1.22 AML other m 2022-05-12T03:38:47.76
IV.SSFR.HHE. ML:1.7 0.000025450000000000002 0.48 AML other m 2022-05-12T03:38:49.80
IV.VARE.HHN. ML:2.6 0.00006120000000000001 0.26 AML other m 2022-05-12T03:39:13.42
IV.VARE.HHE. ML:2.3 0.000027799999999999998 0.74 AML other m 2022-05-12T03:39:13.37
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