Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 06-05-2023 and time 13:22:19 (UTC) in region 5 km SW Casola in Lunigiana (MS)

A magnitude ML 2.1 earthquake occured in region: 5 km SW Casola in Lunigiana (MS), on

  • 06-05-2023 13:22:19 (UTC)
  • 06-05-2023 15:22:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1790, 10.1220 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Casola in Lunigiana MS 5 988 988
Fivizzano MS 7 7925 8913
Minucciano LU 7 2102 11015
Fosdinovo MS 10 4883 15898
Carrara MS 11 63133 79031
Licciana Nardi MS 12 4949 83980
Ortonovo SP 12 8277 92257
Castelnuovo Magra SP 12 8415 100672
Aulla MS 13 11263 111935
Comano MS 13 714 112649
Piazza al Serchio LU 14 2367 115016
Vagli Sotto LU 15 939 115955
Podenzana MS 15 2180 118135
Sarzana SP 15 21976 140111
Tresana MS 15 2044 142155
Sillano Giuncugnano LU 15 1085 143240
Massa MS 16 69479 212719
Santo Stefano di Magra SP 17 9360 222079
Camporgiano LU 17 2176 224255
Careggine LU 18 564 224819
San Romano in Garfagnana LU 18 1410 226229
Bolano SP 18 7813 234042
Ameglia SP 18 4365 238407
Montignoso MS 18 10323 248730
Bagnone MS 18 1887 250617
Villafranca in Lunigiana MS 19 4770 255387
Arcola SP 19 10607 265994
Vezzano Ligure SP 19 7356 273350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km N of Carrara (63133 inhabitants)
16 Km N of Massa (69479 inhabitants)
25 Km E of La Spezia (93959 inhabitants)
36 Km NW of Viareggio (62467 inhabitants)
48 Km NW of Lucca (89046 inhabitants)
56 Km NW of Pisa (89158 inhabitants)
69 Km W of Pistoia (90315 inhabitants)
71 Km SW of Reggio nell'Emilia (171345 inhabitants)
71 Km N of Livorno (159219 inhabitants)
71 Km S of Parma (192836 inhabitants)
82 Km SW of Modena (184973 inhabitants)
85 Km W of Prato (191150 inhabitants)
91 Km SW of Carpi (70699 inhabitants)
97 Km W of Scandicci (50609 inhabitants)
98 Km E of Genova (586655 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
Reviewed
Rev100 		ML 2.1 2023-05-06
13:22:19		 44.1792 10.1218 9 2023-05-06
13:33:23		 Sala Sismica INGV-Roma 117082451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-06 13:22:19 ± 0.08
Latitude 44.1792 ± 0.0054
Longitude 10.1218 ± 0.0063
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117082451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 605
Semi-minor axis of confidence ellipse (meter) 480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73025
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 51
Type of magnitude ML
Reference to an origin 117082451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-06 13:33:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2023-05-06T13:24:13.77 3.0 undecidable manual Sg 16.65 0
IV.LRP.EHZ. 2023-05-06T13:23:20.04 3.0 undecidable manual Pn 4.7 0
IV.RNI2.HHZ. 2023-05-06T13:23:20.35 3.0 negative manual Pn 1.32 0
SI.MOSI.HHZ. 2023-05-06T13:23:02.98 3.0 positive manual Pg 3.25 0
GU.BHB.HHZ. 2023-05-06T13:22:59.56 3.0 negative manual Pn 3.98 0
IV.CTI.HHZ. 2023-05-06T13:22:56.99 3.0 undecidable manual Pn 1.33 0
IV.PIEI.HHZ. 2023-05-06T13:22:54.02 3.0 undecidable manual Pn 2.43 0
RD.PGF.BHZ. 2023-05-06T13:22:51.22 3.0 undecidable manual Pn 0.06 0
IV.SEI.HHZ. 2023-05-06T13:22:51.54 3.0 undecidable manual S -0.16 0
GU.GBOS.HHZ. 2023-05-06T13:22:50.21 3.0 positive manual Pn 1.57 0
IV.CRE.HHZ. 2023-05-06T13:22:46.17 3.0 undecidable manual P 0.4 0
IV.SFI.EHZ. 2023-05-06T13:22:46.06 3.0 positive manual P 2.53 0
IV.CASP.HHZ. 2023-05-06T13:22:46.73 3.0 positive manual P 0.19 0
GU.CANO.HHZ. 2023-05-06T13:22:45.83 3.0 negative manual P 1.11 0
GU.PCP.HHZ. 2023-05-06T13:22:42.19 3.0 positive manual P -0.2 0
IV.RUFI.EHZ. 2023-05-06T13:22:41.47 3.0 negative manual P 0.92 0
IV.OSSC.HHZ. 2023-05-06T13:22:41.18 3.0 positive manual P 0.85 0
IV.CSNT.HHZ. 2023-05-06T13:22:41.57 3.0 undecidable manual P 0.38 0
IV.SEI.HHZ. 2023-05-06T13:22:39.10 3.0 positive manual P 1.5 0
IV.PII.HHZ. 2023-05-06T13:22:37.95 0.6 undecidable manual S 147 60.0954 50 -0.35 43
GU.RNCA.HHZ. 2023-05-06T13:22:37.02 3.0 undecidable manual P -0.46 0
IV.CRMI.HHZ. 2023-05-06T13:22:34.37 3.0 positive manual P -0.09 0
IV.MPPT.EHZ. 2023-05-06T13:22:34.35 3.0 positive manual P -0.17 0
GU.MAIM.HHZ. 2023-05-06T13:22:33.31 0.3 undecidable manual S 135 41.7249 50 -0.09 70
GU.GSCL.HHZ. 2023-05-06T13:22:33.45 0.3 undecidable manual S 63 41.625 50 0.07 70
GU.GORR.HHZ. 2023-05-06T13:22:33.93 0.1 undecidable manual P 306 81.0522 50 0.39 82
IV.BDI.HHZ. 2023-05-06T13:22:32.57 0.3 undecidable manual S 109 39.8268 50 -0.34 67
GU.GRAM.HHZ. 2023-05-06T13:22:31.00 0.3 undecidable manual S 353 34.8429 50 -0.56 64
GU.CARD.HHZ. 2023-05-06T13:22:30.62 0.3 undecidable manual S 120 33.3444 50 -0.54 64
IV.PII.HHZ. 2023-05-06T13:22:30.77 0.1 negative manual P 147 60.0954 50 0.47 83
GU.POPM.HHZ. 2023-05-06T13:22:29.28 0.1 negative manual P 106 52.7028 50 0.12 91
IV.PLMA.HHZ. 2023-05-06T13:22:28.36 0.3 undecidable manual S 236 25.752 109 -0.49 66
IV.BDI.HHZ. 2023-05-06T13:22:27.21 0.6 undecidable manual P 109 39.8268 50 0.03 48
GU.MAIM.HHZ. 2023-05-06T13:22:27.55 0.1 undecidable manual P 135 41.7249 50 0.08 94
GU.GSCL.HHZ. 2023-05-06T13:22:27.83 0.1 positive manual P 63 41.625 50 0.37 88
MN.VLC.HHZ. 2023-05-06T13:22:27.20 0.3 undecidable manual S 96 21.1677 113 -0.17 72
GU.CARD.HHZ. 2023-05-06T13:22:26.21 0.1 undecidable manual P 120 33.3444 50 0.03 96
GU.GRAM.HHZ. 2023-05-06T13:22:26.41 0.1 negative manual P 353 34.8429 50 0 96
IV.PLMA.HHZ. 2023-05-06T13:22:25.03 0.6 undecidable manual P 236 25.752 109 0.19 47
MN.VLC.HHZ. 2023-05-06T13:22:24.19 0.1 negative manual P 96 21.1677 113 0.2 95
GU.EQUI.HHZ. 2023-05-06T13:22:22.60 0.3 undecidable manual S 121 2.8971 163 -0.08 75
GU.FIVI.HNZ. 2023-05-06T13:22:22.86 0.3 undecidable manual S 4 6.6933 144 -0.44 69
GU.EQUI.HHZ. 2023-05-06T13:22:21.55 0.1 undecidable manual P 121 2.8971 163 0.27 97
GU.FIVI.HNZ. 2023-05-06T13:22:21.70 0.1 positive manual P 4 6.6933 144 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HHE. ML:1.9 0.00056889515 0.16 AML other m 2023-05-06T13:22:27.54
MN.VLC.HNE. ML:1.9 0.0005677721 0.1408 AML other m 2023-05-06T13:22:27.54
MN.VLC.HHN. ML:1.8 0.00044154945 0.1792 AML other m 2023-05-06T13:22:27.47
MN.VLC.HNN. ML:1.8 0.00040851274999999997 0.1856 AML other m 2023-05-06T13:22:27.48
IV.PLMA.HHN. ML:2.4 0.0013048 0.1408 AML other m 2023-05-06T13:22:28.39
IV.PLMA.HHE. ML:2.4 0.0013111395 0.0832 AML other m 2023-05-06T13:22:28.84
GU.CARD.HHE. ML:2.3 0.0009525000000000001 1.84 AML other m 2023-05-06T13:22:30.07
GU.GRAM.HHN. ML:3.0 0.003675 0.22 AML other m 2023-05-06T13:22:31.29
GU.GRAM.HHE. ML:3.0 0.00412 0.2 AML other m 2023-05-06T13:22:32.24
GU.MAIM.HHN. ML:2.2 0.0004632626 0.1792 AML other m 2023-05-06T13:22:33.94
GU.MAIM.HHE. ML:2.3 0.0006700403499999999 0.16 AML other m 2023-05-06T13:22:34.20
IV.BDI.HHN. ML:2.0 0.00036255064999999995 0.1408 AML other m 2023-05-06T13:22:33.20
GU.GSCL.HHE. ML:2.4 0.0007885 1.72 AML other m 2023-05-06T13:22:34.95
GU.GSCL.HHN. ML:2.2 0.00058474185 0.416 AML other m 2023-05-06T13:22:36.61
GU.CARD.HHN. ML:2.1 0.00056413895 0.0768 AML other m 2023-05-06T13:22:35.64
GU.POPM.HHE. ML:2.3 0.0004382284 0.3008 AML other m 2023-05-06T13:22:44.52
IV.BDI.HNN. ML:1.9 0.0002755492 0.192 AML other m 2023-05-06T13:22:33.79
IV.BDI.HHE. ML:1.9 0.00029146470000000004 0.2048 AML other m 2023-05-06T13:22:33.34
IV.BDI.HNE. ML:2.0 0.0003399299 0.2624 AML other m 2023-05-06T13:22:33.23
IV.PII.HHE. ML:2.7 0.0009925 0.2 AML other m 2023-05-06T13:22:39.55
IV.PII.HHN. ML:2.5 0.00067990525 0.2944 AML other m 2023-05-06T13:22:42.27
IV.CSNT.HHE. ML:2.0 0.00007595 0.32 AML other m 2023-05-06T13:22:42.71
IV.CSNT.HHN. ML:2.0 0.00007978395499999998 0.3008 AML other m 2023-05-06T13:22:43.48
GU.POPM.HHN. ML:2.3 0.0005245 0.18 AML other m 2023-05-06T13:22:43.96
IV.CRMI.HHE. ML:1.9 0.0001205 0.4 AML other m 2023-05-06T13:22:47.19
IV.MPPT.EHE. ML:2.0 0.000136 0.2 AML other m 2023-05-06T13:22:47.55
IV.CRMI.HHN. ML:2.0 0.0001367662 0.3456 AML other m 2023-05-06T13:22:48.57
GU.GORR.HHN. ML:2.1 0.00017033100000000002 0.3392 AML other m 2023-05-06T13:22:48.51
GU.GORR.HHE. ML:2.1 0.0001646968 0.2624 AML other m 2023-05-06T13:22:48.56
IV.MPPT.EHN. ML:2.0 0.000134332 0.1792 AML other m 2023-05-06T13:22:48.56
GU.RNCA.HHN. ML:2.4 0.0002781361 0.2176 AML other m 2023-05-06T13:22:51.93
GU.RNCA.HHE. ML:2.4 0.0002517103 0.1408 AML other m 2023-05-06T13:22:50.39
IV.SEI.HHE. ML:2.2 0.000169 0.42 AML other m 2023-05-06T13:22:55.25
IV.SEI.HHN. ML:2.5 0.000303 0.4 AML other m 2023-05-06T13:22:58.67
IV.OSSC.HHE. ML:2.1 0.0001001 1.56 AML other m 2023-05-06T13:22:58.82
GU.PCP.HHN. ML:2.0 0.000067926705 0.4032 AML other m 2023-05-06T13:22:59.59
IV.OSSC.HHN. ML:2.1 0.000107907755 0.4032 AML other m 2023-05-06T13:22:58.57
GU.PCP.HHE. ML:2.0 0.000062026425 0.4032 AML other m 2023-05-06T13:22:59.34
GU.CANO.HHN. ML:2.7 0.000259261 0.3008 AML other m 2023-05-06T13:23:03.61
GU.CANO.HHE. ML:2.6 0.00017952955 0.2624 AML other m 2023-05-06T13:23:03.52
IV.CRE.HHE. ML:1.9 0.0000366 0.28 AML other m 2023-05-06T13:23:08.19
IV.CRE.HHN. ML:2.0 0.000052449999999999994 0.28 AML other m 2023-05-06T13:23:09.53
GU.GBOS.HHN. ML:1.9 0.00002805 0.3 AML other m 2023-05-06T13:23:13.24
GU.GBOS.HHE. ML:1.8 0.0000196 0.36 AML other m 2023-05-06T13:23:14.08
GU.EQUI.HHE. ML:0.0 0.0046518855 0.1984 AML other m 2023-05-06T13:22:22.70
GU.EQUI.HHN. ML:0.0 0.0038459699999999998 0.224 AML other m 2023-05-06T13:22:23.46
GU.FIVI.HNE. ML:3.2 0.02384588 0.1408 AML other m 2023-05-06T13:22:22.92
GU.FIVI.HNN. ML:3.3 0.035347134999999995 0.1728 AML other m 2023-05-06T13:22:22.98
IV.CRMI.HNE. ML:2.1 0.00015989065000000002 0.4032 AML other m 2023-05-06T13:22:47.19
IV.RUFI.EHE. ML:1.7 0.000036231560000000005 0.3392 AML other m 2023-05-06T13:22:58.58
IV.RUFI.EHN. ML:1.8 0.000048082069999999996 0.3392 AML other m 2023-05-06T13:22:59.72
RD.PGF.BHE. ML:1.5 0.000012152799999999998 0.6848 AML other m 2023-05-06T13:23:24.63
RD.PGF.BHN. ML:1.5 0.000009307277 0.48 AML other m 2023-05-06T13:23:22.41
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