Earthquake with magnitude of ML 1.1 on date 22-12-2020 and time 16:49:41 (UTC) in region 4 km NE Minucciano (LU)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Minucciano (LU), on

  • 22-12-2020 16:49:41 (UTC)
  • 22-12-2020 17:49:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1990, 10.2350 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Minucciano LU 4 2102 2102
Casola in Lunigiana MS 5 988 3090
Piazza al Serchio LU 6 2367 5457
Sillano Giuncugnano LU 6 1085 6542
Camporgiano LU 9 2176 8718
San Romano in Garfagnana LU 9 1410 10128
Fivizzano MS 10 7925 18053
Vagli Sotto LU 10 939 18992
Careggine LU 11 564 19556
Comano MS 14 714 20270
Villa Collemandina LU 14 1334 21604
Castiglione di Garfagnana LU 15 1818 23422
Pieve Fosciana LU 16 2414 25836
Castelnuovo di Garfagnana LU 17 5950 31786
Licciana Nardi MS 17 4949 36735
Carrara MS 17 63133 99868
Fosdinovo MS 19 4883 104751
Massa MS 19 69479 174230
Fosciandora LU 20 602 174832
Ortonovo SP 20 8277 183109

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Carrara (63133 inhabitants)
19 Km NE of Massa (69479 inhabitants)
34 Km E of La Spezia (93959 inhabitants)
37 Km N of Viareggio (62467 inhabitants)
45 Km NW of Lucca (89046 inhabitants)
55 Km N of Pisa (89158 inhabitants)
62 Km W of Pistoia (90315 inhabitants)
64 Km SW of Reggio nell'Emilia (171345 inhabitants)
67 Km S of Parma (192836 inhabitants)
72 Km N of Livorno (159219 inhabitants)
74 Km SW of Modena (184973 inhabitants)
78 Km W of Prato (191150 inhabitants)
83 Km SW of Carpi (70699 inhabitants)
90 Km NW of Scandicci (50609 inhabitants)
94 Km W of Bologna (386663 inhabitants)
95 Km NW of Firenze (382808 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 1.1 2020-12-22
16:49:41
44.1993 10.2353 10 2020-12-22
17:02:39
Sala Sismica INGV-Roma 85631511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-22 16:49:41 ± 0.07
Latitude 44.1993 ± 0.0054
Longitude 10.2353 ± 0.0063
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85631511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 646
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52071
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 85631511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-22 17:02:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2020-12-22T16:49:56.13 0.3 undecidable manual S 112 44.9217 50 0.12 69
MN.PLMA.HHZ. 2020-12-22T16:49:54.55 3.0 undecidable manual S 0
GU.GRAM.HHZ. 2020-12-22T16:49:53.24 0.3 undecidable manual S 337 35.0427 50 -0.14 70
GU.MAIM.HHE. 2020-12-22T16:49:53.71 0.3 undecidable manual S 147 37.629 50 -0.36 67
IV.BDI.HHZ. 2020-12-22T16:49:52.59 0.3 undecidable manual S 118 32.4453 50 -0.09 71
IV.PII.HHZ. 2020-12-22T16:49:52.34 0.3 undecidable manual P 156 57.7977 50 0.58 61
GU.GSCL.HHZ. 2020-12-22T16:49:52.48 0.3 undecidable manual S 59 32.6451 50 -0.25 69
GU.POPM.HHZ. 2020-12-22T16:49:50.04 0.3 undecidable manual P 112 44.9217 50 0.26 67
GU.CARD.HHZ. 2020-12-22T16:49:50.96 0.3 undecidable manual S 134 27.4503 50 -0.4 68
MN.PLMA.HHZ. 2020-12-22T16:49:50.24 3.0 undecidable manual P 0
GU.MAIM.HHE. 2020-12-22T16:49:49.22 0.3 undecidable manual P 147 37.629 50 0.56 63
GU.GRAM.HHZ. 2020-12-22T16:49:48.33 0.3 undecidable manual P 337 35.0427 50 0.07 71
GU.GSCL.HHZ. 2020-12-22T16:49:47.96 0.3 undecidable manual P 59 32.6451 50 0.08 72
IV.BDI.HHZ. 2020-12-22T16:49:47.84 0.3 undecidable manual P 118 32.4453 50 -0.01 73
IV.NDIM.HHZ. 2020-12-22T16:49:47.33 3.0 undecidable manual P -0.41 0
MN.VLC.HHZ. 2020-12-22T16:49:46.77 0.3 undecidable manual S 110 12.7761 127 -0.06 74
GU.CARD.HHZ. 2020-12-22T16:49:46.83 0.3 undecidable manual P 134 27.4503 50 -0.26 70
GU.SARM.EHE. 2020-12-22T16:49:46.82 0.3 undecidable manual S 97 13.2756 126 -0.14 73
GU.EQUI.HHE. 2020-12-22T16:49:45.15 0.3 undecidable manual S 241 7.4814 142 -0.37 70
GU.FIVI.HNN. 2020-12-22T16:49:45.83 0.3 undecidable manual S 297 9.6792 135 -0.18 73
GU.SARM.EHE. 2020-12-22T16:49:44.71 0.1 undecidable manual P 97 13.2756 126 0.16 97
MN.VLC.HHZ. 2020-12-22T16:49:44.65 0.3 undecidable manual P 110 12.7761 127 0.17 73
GU.FIVI.HNN. 2020-12-22T16:49:44.18 0.1 undecidable manual P 297 9.6792 135 0.18 97
GU.EQUI.HHE. 2020-12-22T16:49:43.78 0.1 undecidable manual P 241 7.4814 142 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HNE. ML:1.0 0.0001061 0.66 AML other m 2020-12-22T16:49:50.52
MN.VLC.HNN. ML:1.2 0.00017999999999999998 0.12 AML other m 2020-12-22T16:49:46.87
MN.VLC.HHE. ML:0.9 0.00009405 1.44 AML other m 2020-12-22T16:49:47.91
IV.BDI.HHN. ML:1.0 0.0000458 0.5 AML other m 2020-12-22T16:49:52.52
IV.BDI.HHE. ML:0.9 0.000032600000000000006 0.28 AML other m 2020-12-22T16:49:52.82
GU.GRAM.HHN. ML:1.8 0.0002655 0.14 AML other m 2020-12-22T16:49:54.87
GU.GRAM.HHE. ML:1.8 0.00025 0.14 AML other m 2020-12-22T16:49:54.87
GU.CARD.HHN. ML:1.3 0.000108602355 0.0768 AML other m 2020-12-22T16:49:51.29
GU.POPM.HHE. ML:1.0 0.000030610730000000004 0.1152 AML other m 2020-12-22T16:49:56.92
GU.POPM.HHN. ML:1.2 0.000046022099999999994 0.1152 AML other m 2020-12-22T16:49:56.64
IV.PLMA.HHE. ML:0.7 0.000019088525 0.1024 AML other m 2020-12-22T16:49:55.31
IV.PLMA.HHN. ML:1.0 0.000037658449999999995 0.1408 AML other m 2020-12-22T16:49:55.62
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