Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 04-12-2019 and time 14:15:49 (Italy) in region 3 km S Comano (MS)

A magnitude ML 1.8 earthquake occured in region: 3 km S Comano (MS), on

  • 04-12-2019 13:15:49 (UTC)
  • 04-12-2019 14:15:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2740, 10.1390 at 12 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
Comano MS 3 714 714
Fivizzano MS 4 7925 8639
Licciana Nardi MS 8 4949 13588
Casola in Lunigiana MS 9 988 14576
Bagnone MS 12 1887 16463
Minucciano LU 13 2102 18565
Sillano Giuncugnano LU 14 1085 19650
Villafranca in Lunigiana MS 15 4770 24420
Aulla MS 15 11263 35683
Tresana MS 15 2044 37727
Monchio delle Corti PR 16 933 38660
Piazza al Serchio LU 16 2367 41027
Podenzana MS 17 2180 43207
Filattiera MS 17 2309 45516
Fosdinovo MS 18 4883 50399
Ventasso RE 18 4295 54694
Palanzano PR 19 1142 55836
Mulazzo MS 19 2424 58260

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Carrara (63133 inhabitants)
26 Km N of Massa (69479 inhabitants)
31 Km NE of La Spezia (93959 inhabitants)
46 Km N of Viareggio (62467 inhabitants)
56 Km NW of Lucca (89046 inhabitants)
61 Km S of Parma (192836 inhabitants)
61 Km SW of Reggio nell'Emilia (171345 inhabitants)
65 Km NW of Pisa (89158 inhabitants)
73 Km NW of Pistoia (90315 inhabitants)
75 Km SW of Modena (184973 inhabitants)
81 Km N of Livorno (159219 inhabitants)
82 Km SW of Carpi (70699 inhabitants)
88 Km W of Prato (191150 inhabitants)
94 Km SE of Piacenza (102191 inhabitants)
96 Km S of Cremona (71901 inhabitants)
97 Km E of Genova (586655 inhabitants)
99 Km W of Bologna (386663 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 1.8 2019-12-04
13:15:49		 44.2737 10.1387 12 2020-02-28
16:42:12		 Bollettino Sismico Italiano INGV 74509421
Reviewed
Rev100 		ML 1.8 2019-12-04
13:15:49		 44.2765 10.1407 11 2019-12-04
13:23:50		 Sala Sismica INGV-Roma 74315111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-04 13:15:49 ± 0.06
Latitude 44.2737 ± 0.0036
Longitude 10.1387 ± 0.0063
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74509421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 456
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
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 24
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.54513
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 74509421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-10 11:56:55

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 74315111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-04 13:23:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2019-12-04T13:17:17.50 3.0 undecidable manual Sg 10.01 0
IV.MC2.EHZ. 2019-12-04T13:17:14.46 3.0 undecidable manual Sg 8.38 0
IV.MNTT.EHZ. 2019-12-04T13:17:12.33 3.0 undecidable manual Sn 1.62 0
GU.SATI.HHZ. 2019-12-04T13:17:04.69 3.0 undecidable manual Sg 6.76 0
IV.GIUL.HHZ. 2019-12-04T13:16:42.77 3.0 negative manual P 393.5061 -2.58 0
IV.FIR.HHZ. 2019-12-04T13:16:24.62 3.0 undecidable manual S 0.28 0
IV.OSSC.HHZ. 2019-12-04T13:16:10.56 3.0 positive manual P 121.4895 0.62 0
IV.MSSA.HHZ. 2019-12-04T13:16:05.22 0.3 undecidable manual S 276 49.5171 91 -0.27 67
IV.PII.HHZ. 2019-12-04T13:16:02.23 0.3 undecidable manual P 153 68.4759 91 0.44 63
GU.GSCL.HHZ. 2019-12-04T13:16:02.04 0.3 undecidable manual S 76 36.6411 91 -0.02 72
IV.PLMA.HHZ. 2019-12-04T13:16:01.05 0.3 undecidable manual S 223 33.6441 91 -0.19 70
IV.MSSA.HHZ. 2019-12-04T13:15:59.19 0.1 positive manual P 276 49.5171 91 0.33 89
MN.VLC.HHZ. 2019-12-04T13:15:58.35 0.3 undecidable manual S 123 23.4543 93 -0.17 72
GU.GRAM.HHZ. 2019-12-04T13:15:58.55 0.3 undecidable manual S 347 24.8529 92 -0.34 70
GU.SARM.EHZ. 2019-12-04T13:15:58.19 0.3 undecidable manual S 115 23.0547 93 -0.24 71
GU.GSCL.HHZ. 2019-12-04T13:15:57.01 0.1 positive manual P 76 36.6411 91 0.13 94
IV.PLMA.HHZ. 2019-12-04T13:15:56.59 0.1 positive manual P 223 33.6441 91 0.18 95
GU.EQUI.HHZ. 2019-12-04T13:15:55.35 0.1 undecidable manual S 175 11.9769 114 -0.17 97
GU.GRAM.HHZ. 2019-12-04T13:15:55.05 0.1 undecidable manual P 347 24.8529 92 0 99
GU.SARM.EHZ. 2019-12-04T13:15:54.73 0.1 undecidable manual P 115 23.0547 93 -0.05 98
MN.VLC.HHZ. 2019-12-04T13:15:54.83 0.1 undecidable manual P 123 23.4543 93 -0.01 99
GU.FIVI.HNZ. 2019-12-04T13:15:53.89 0.3 undecidable manual S 193 3.8961 156 -0.11 75
GU.EQUI.HHZ. 2019-12-04T13:15:53.19 0.1 undecidable manual P 175 11.9769 114 0.09 100
GU.FIVI.HNZ. 2019-12-04T13:15:52.39 0.1 undecidable manual P 193 3.8961 156 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HNE. ML:1.4 0.00013883770000000002 1.7376 AML other m 2019-12-04T13:15:58.94
MN.VLC.HNN. ML:1.4 0.00016370822 0.096 AML other m 2019-12-04T13:15:58.77
MN.VLC.HHN. ML:1.4 0.00016367976999999998 0.1024 AML other m 2019-12-04T13:15:58.77
GU.GRAM.HHE. ML:2.4 0.00164432 0.2432 AML other m 2019-12-04T13:15:59.64
GU.GRAM.HHN. ML:2.4 0.0015286949999999998 0.1856 AML other m 2019-12-04T13:15:59.56
IV.PLMA.HHE. ML:1.8 0.0002375296 0.1408 AML other m 2019-12-04T13:16:01.56
IV.PLMA.HHN. ML:1.8 0.0002877347 0.1408 AML other m 2019-12-04T13:16:01.93
GU.GSCL.HHE. ML:1.9 0.0002720235 0.4032 AML other m 2019-12-04T13:16:02.70
GU.GSCL.HHN. ML:1.9 0.00031362115000000004 0.32 AML other m 2019-12-04T13:16:02.54
IV.PII.HHN. ML:1.9 0.0001383364 0.1408 AML other m 2019-12-04T13:16:12.83
IV.PII.HHE. ML:2.0 0.00017766515 0.1984 AML other m 2019-12-04T13:16:13.23
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