Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-01-2023 and time 17:31:07 (Italy) in region 1 km E Filattiera (MS)

A magnitude ML 2.2 earthquake occured in region: 1 km E Filattiera (MS), on

  • 06-01-2023 16:31:07 (UTC)
  • 06-01-2023 17:31:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3340, 9.9460 at 6 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
Filattiera MS 1 2309 2309
Mulazzo MS 3 2424 4733
Bagnone MS 4 1887 6620
Villafranca in Lunigiana MS 5 4770 11390
Pontremoli MS 7 7357 18747
Tresana MS 11 2044 20791
Licciana Nardi MS 11 4949 25740
Calice al Cornoviglio SP 13 1138 26878
Aulla MS 14 11263 38141
Podenzana MS 14 2180 40321
Zeri MS 15 1094 41415
Comano MS 16 714 42129
Bolano SP 17 7813 49942
Monchio delle Corti PR 17 933 50875
Zignago SP 17 532 51407
Rocchetta di Vara SP 18 703 52110
Fivizzano MS 18 7925 60035
Santo Stefano di Magra SP 19 9360 69395
Corniglio PR 20 1936 71331
Berceto PR 20 2109 73440

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of La Spezia (93959 inhabitants)
31 Km NW of Carrara (63133 inhabitants)
37 Km NW of Massa (69479 inhabitants)
57 Km NW of Viareggio (62467 inhabitants)
60 Km SW of Parma (192836 inhabitants)
68 Km SW of Reggio nell'Emilia (171345 inhabitants)
70 Km NW of Lucca (89046 inhabitants)
78 Km NW of Pisa (89158 inhabitants)
81 Km E of Genova (586655 inhabitants)
82 Km S of Piacenza (102191 inhabitants)
85 Km W of Modena (184973 inhabitants)
89 Km S of Cremona (71901 inhabitants)
89 Km W of Pistoia (90315 inhabitants)
90 Km SW of Carpi (70699 inhabitants)
92 Km NW of Livorno (159219 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 2023-01-06
16:31:07		 44.3342 9.9462 6 2024-03-01
17:18:05		 Bollettino Sismico Italiano INGV 116943351
Reviewed
Rev100 		ML 2.0 2023-01-06
16:31:07		 44.3388 9.9523 8 2023-01-06
16:42:32		 Sala Sismica INGV-Roma 113350551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-06 16:31:07 ± 0.07
Latitude 44.3342 ± 0.0036
Longitude 9.9462 ± 0.0050
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116943351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 408
Semi-minor axis of confidence ellipse (meter) 192
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.16008
Epicentral distance of station farthest from the epicenter (degree) 2.66109
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 40
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 116943351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-02 09:27:56

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 113350551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-06 16:42:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-01-06T16:31:52.36 1.0 undecidable manual P 117 295.3821 38 0.32 7
ST.ZIAN.EHZ. 2023-01-06T16:31:46.83 0.6 undecidable manual P 30 249.6612 38 0.47 20
ST.PANI.EHZ. 2023-01-06T16:31:42.13 0.6 undecidable manual P 29 219.114 38 -0.42 25
RD.PGF.BHZ. 2023-01-06T16:31:40.94 0.6 undecidable manual P 201 212.3319 38 -0.76 23
IV.MABI.HHZ. 2023-01-06T16:31:39.83 0.6 undecidable manual P 13 195.9594 38 0.16 31
SI.LUSI.HHZ. 2023-01-06T16:31:39.80 0.6 positive manual P 23 196.4589 38 0.07 31
ST.RONC.EHZ. 2023-01-06T16:31:39.28 0.6 undecidable manual P 16 190.0653 38 0.34 30
FR.SAOF.HHZ.00 2023-01-06T16:31:38.81 0.6 negative manual P 259 194.361 38 -0.66 27
ST.VARA.EHZ. 2023-01-06T16:31:38.29 0.6 undecidable manual P 24 181.485 38 0.42 31
IV.CASP.HHZ. 2023-01-06T16:31:37.47 0.3 undecidable manual P 156 186.4689 38 -1.02 36
IV.ROVR.HHZ. 2023-01-06T16:31:36.77 0.6 undecidable manual P 31 170.2962 50 0.6 31
IV.MAGA.HHZ. 2023-01-06T16:31:36.21 0.6 undecidable manual P 18 168.609 50 0.31 34
GU.GBOS.HHZ. 2023-01-06T16:31:35.45 0.3 undecidable manual P 267 167.61 50 -0.3 51
IV.MDI.HHZ. 2023-01-06T16:31:35.05 0.6 undecidable manual P 354 160.2174 50 0.43 35
GU.MGRO.HHZ. 2023-01-06T16:31:35.82 0.6 undecidable manual P 260 173.0934 50 -0.79 29
GU.RORO.HHZ. 2023-01-06T16:31:32.76 0.3 undecidable manual P 261 151.4373 50 -0.5 53
GU.CANO.HHZ. 2023-01-06T16:31:31.05 0.1 undecidable manual P 265 136.4634 50 0.09 80
IV.QLNO.HHZ. 2023-01-06T16:31:29.67 0.3 undecidable manual P 270 126.9729 50 0.17 60
IV.SEI.HHZ. 2023-01-06T16:31:28.37 0.6 undecidable manual P 105 116.5944 50 0.48 39
GU.PCP.HHZ. 2023-01-06T16:31:27.91 0.6 undecidable manual P 282 113.2977 50 0.52 38
IV.CRMI.HHZ. 2023-01-06T16:31:26.31 0.6 undecidable manual P 126 101.7204 50 0.7 37
IV.MPPT.EHZ. 2023-01-06T16:31:25.88 0.6 undecidable manual P 114 100.2219 50 0.51 40
IV.ZCCA.HNN. 2023-01-06T16:31:22.59 0.1 undecidable manual P 88 81.7515 50 0.06 90
GU.RNCA.HHZ. 2023-01-06T16:31:22.77 0.6 undecidable manual P 281 80.2641 50 0.47 42
IV.PII.HHZ. 2023-01-06T16:31:22.53 0.3 undecidable manual P 146 82.1511 50 -0.05 68
GU.POPM.HHZ. 2023-01-06T16:31:21.02 0.3 undecidable manual P 116 71.9724 50 -0.01 70
GU.SARM.EHN. 2023-01-06T16:31:21.12 0.6 undecidable manual S 115 39.7269 98 -0.67 42
IV.ERBM.EHZ. 2023-01-06T16:31:21.44 0.3 undecidable manual S 76 38.1285 99 0.2 71
IV.BDI.HHZ. 2023-01-06T16:31:19.07 0.3 undecidable manual P 120 59.7957 50 -0.07 70
IV.PLMA.HHZ. 2023-01-06T16:31:19.05 0.3 undecidable manual S 193 32.4453 100 -0.21 72
GU.MAIM.HHZ. 2023-01-06T16:31:19.53 0.3 undecidable manual P 137 63.7917 50 -0.23 68
IV.MSSA.HHZ. 2023-01-06T16:31:19.87 0.6 undecidable manual S 267 34.0437 100 0.04 50
GU.CARD.HHZ. 2023-01-06T16:31:18.24 0.1 undecidable manual P 129 54.6009 50 -0.11 94
GU.GORR.HHZ. 2023-01-06T16:31:18.95 0.6 undecidable manual P 301 59.8956 50 -0.22 46
GU.GSCL.HHZ. 2023-01-06T16:31:17.50 0.6 undecidable manual P 88 50.9157 50 -0.28 46
GU.EQUI.HHZ. 2023-01-06T16:31:16.99 0.3 undecidable manual S 139 24.8529 103 0.29 72
IV.NEVI.HNN. 2023-01-06T16:31:16.21 0.1 undecidable manual P 47 40.3263 98 0.22 94
GU.SARM.EHN. 2023-01-06T16:31:15.52 0.3 undecidable manual P 115 39.7269 98 -0.37 69
IV.ERBM.EHZ. 2023-01-06T16:31:15.41 0.1 undecidable manual P 76 38.1285 99 -0.16 96
MN.VLC.HHZ. 2023-01-06T16:31:15.50 0.1 undecidable manual P 119 40.0266 98 -0.43 90
GU.GRAM.HHZ. 2023-01-06T16:31:14.49 0.1 undecidable manual S 28 19.7691 106 -0.48 93
IV.PLMA.HHZ. 2023-01-06T16:31:14.70 0.1 positive manual P 193 32.4453 100 0.27 95
GU.FIVI.HNZ. 2023-01-06T16:31:14.63 0.3 undecidable manual S 126 17.7711 108 0.29 73
IV.MSSA.HHZ. 2023-01-06T16:31:14.96 0.1 undecidable manual P 267 34.0437 100 0.2 96
GU.EQUI.HHZ. 2023-01-06T16:31:13.12 0.1 negative manual P 139 24.8529 103 0.17 98
GU.FIVI.HNZ. 2023-01-06T16:31:12.01 0.3 undecidable manual P 126 17.7711 108 0.42 71
GU.GRAM.HHZ. 2023-01-06T16:31:11.84 0.1 positive manual P 28 19.7691 106 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHN. ML:2.8 0.00462 0.84 AML other m 2023-01-06T16:31:15.73
GU.GRAM.HHE. ML:2.8 0.004665 0.26 AML other m 2023-01-06T16:31:15.62
GU.EQUI.HHN. ML:2.2 0.0009265000000000001 0.32 AML other m 2023-01-06T16:31:17.20
GU.EQUI.HHE. ML:2.1 0.000883 0.14 AML other m 2023-01-06T16:31:17.39
IV.PLMA.HHE. ML:2.3 0.0010065 0.24 AML other m 2023-01-06T16:31:19.37
IV.PLMA.HHN. ML:2.3 0.0008785 0.18 AML other m 2023-01-06T16:31:19.41
MN.VLC.HNN. ML:1.8 0.00020400000000000003 0.96 AML other m 2023-01-06T16:31:22.49
MN.VLC.HHN. ML:1.7 0.0001795 1.68 AML other m 2023-01-06T16:31:22.01
MN.VLC.HNE. ML:1.8 0.00021150000000000002 1.06 AML other m 2023-01-06T16:31:23.81
MN.VLC.HHE. ML:1.7 0.00019700000000000002 1.04 AML other m 2023-01-06T16:31:23.80
GU.GSCL.HHE. ML:2.0 0.0002455 0.32 AML other m 2023-01-06T16:31:25.90
GU.GSCL.HHN. ML:2.2 0.00038500000000000003 0.28 AML other m 2023-01-06T16:31:26.26
IV.BOB.HHE. ML:2.0 0.000203 1.02 AML other m 2023-01-06T16:31:26.66
GU.GORR.HHE. ML:2.0 0.00022600000000000002 0.46 AML other m 2023-01-06T16:31:27.64
GU.GORR.HHN. ML:2.0 0.000203 1.24 AML other m 2023-01-06T16:31:27.79
GU.MAIM.HHE. ML:2.2 0.000319 0.36 AML other m 2023-01-06T16:31:28.50
GU.MAIM.HHN. ML:2.0 0.0001795 1.28 AML other m 2023-01-06T16:31:28.03
IV.BOB.HHN. ML:2.0 0.00018099999999999998 0.42 AML other m 2023-01-06T16:31:29.36
GU.CARD.HHN. ML:2.3 0.0004885 0.36 AML other m 2023-01-06T16:31:30.61
GU.CARD.HHE. ML:2.5 0.0007095000000000001 1.22 AML other m 2023-01-06T16:31:30.95
IV.BDI.HHE. ML:2.1 0.000289 0.36 AML other m 2023-01-06T16:31:32.84
IV.BDI.HNN. ML:2.1 0.00028849999999999997 0.48 AML other m 2023-01-06T16:31:32.59
IV.BDI.HHN. ML:1.9 0.00017549999999999998 0.94 AML other m 2023-01-06T16:31:33.58
IV.BDI.HNE. ML:2.2 0.000303 1.1 AML other m 2023-01-06T16:31:33.85
GU.RNCA.HHN. ML:2.3 0.00025 0.4 AML other m 2023-01-06T16:31:33.65
GU.RNCA.HHE. ML:2.4 0.0003495 0.56 AML other m 2023-01-06T16:31:33.68
GU.POPM.HHN. ML:2.2 0.000243 0.2 AML other m 2023-01-06T16:31:34.58
IV.PII.HHN. ML:2.4 0.00037050000000000006 0.22 AML other m 2023-01-06T16:31:35.35
IV.PII.HHE. ML:2.5 0.000447 0.88 AML other m 2023-01-06T16:31:35.81
GU.RORO.HHE. ML:1.8 0.000036400000000000004 0.94 AML other m 2023-01-06T16:31:35.86
GU.POPM.HHE. ML:2.0 0.000182 0.18 AML other m 2023-01-06T16:31:39.17
IV.CRMI.HHN. ML:1.8 0.00006429999999999999 0.56 AML other m 2023-01-06T16:31:41.27
IV.MPPT.EHN. ML:1.7 0.0000533 0.54 AML other m 2023-01-06T16:31:41.62
IV.CRMI.HHE. ML:1.6 0.0000355 0.48 AML other m 2023-01-06T16:31:43.57
GU.PCP.HHE. ML:1.8 0.0000533 0.52 AML other m 2023-01-06T16:31:43.42
GU.PCP.HHN. ML:1.9 0.00007135 0.84 AML other m 2023-01-06T16:31:43.41
IV.QLNO.HHN. ML:1.9 0.00005695 0.82 AML other m 2023-01-06T16:31:45.34
IV.QLNO.HHE. ML:1.9 0.000054449999999999995 0.46 AML other m 2023-01-06T16:31:47.16
GU.CANO.HHE. ML:2.4 0.0001465 0.84 AML other m 2023-01-06T16:31:50.44
GU.CANO.HHN. ML:2.5 0.00020800000000000001 0.28 AML other m 2023-01-06T16:31:50.77
IV.MPPT.EHE. ML:1.6 0.0000412 1.16 AML other m 2023-01-06T16:31:51.11
IV.SEI.HHE. ML:2.0 0.00007580000000000001 1.36 AML other m 2023-01-06T16:31:51.87
GU.RORO.HHN. ML:1.9 0.00004185 0.5 AML other m 2023-01-06T16:31:55.38
IV.SEI.HHN. ML:2.2 0.000111 0.38 AML other m 2023-01-06T16:31:58.09
IV.MAGA.HHN. ML:2.6 0.000149 1.22 AML other m 2023-01-06T16:31:59.34
IV.MDI.HHE. ML:2.3 0.00008560000000000001 0.62 AML other m 2023-01-06T16:32:00.32
IV.MDI.HHN. ML:2.3 0.0000945 1.56 AML other m 2023-01-06T16:32:00.81
IV.ROVR.HHE. ML:2.3 0.0000866 0.7 AML other m 2023-01-06T16:32:02.55
IV.ROVR.HHN. ML:2.6 0.00017299999999999998 0.24 AML other m 2023-01-06T16:32:03.10
IV.MAGA.HHE. ML:2.9 0.0002985 0.42 AML other m 2023-01-06T16:32:03.80
ST.VARA.EHN. ML:2.7 0.00016999999999999999 1.16 AML other m 2023-01-06T16:32:04.19
ST.VARA.EHE. ML:2.6 0.0001585 0.26 AML other m 2023-01-06T16:32:05.63
ST.PANI.EHE. ML:2.1 0.0000293 0.42 AML other m 2023-01-06T16:32:07.56
SI.LUSI.HHN. ML:2.9 0.000254 0.36 AML other m 2023-01-06T16:32:09.22
SI.LUSI.HHE. ML:2.6 0.000124 0.3 AML other m 2023-01-06T16:32:09.25
ST.PANI.EHN. ML:2.2 0.000034750000000000004 0.42 AML other m 2023-01-06T16:32:17.17
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