Earthquake with magnitude of ML 1.9 on date 05-12-2021 and time 08:49:50 (UTC) in region 3 km NW Fivizzano (MS)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Fivizzano (MS), on

  • 05-12-2021 08:49:50 (UTC)
  • 05-12-2021 09:49:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2530, 10.0940 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fivizzano MS 3 7925 7925
Licciana Nardi MS 5 4949 12874
Comano MS 6 714 13588
Casola in Lunigiana MS 9 988 14576
Bagnone MS 11 1887 16463
Aulla MS 11 11263 27726
Tresana MS 11 2044 29770
Villafranca in Lunigiana MS 12 4770 34540
Minucciano LU 13 2102 36642
Podenzana MS 13 2180 38822
Fosdinovo MS 14 4883 43705
Filattiera MS 15 2309 46014
Mulazzo MS 17 2424 48438
Sillano Giuncugnano LU 17 1085 49523
Bolano SP 17 7813 57336
Santo Stefano di Magra SP 17 9360 66696
Monchio delle Corti PR 18 933 67629
Castelnuovo Magra SP 18 8415 76044
Piazza al Serchio LU 18 2367 78411
Sarzana SP 19 21976 100387
Ortonovo SP 19 8277 108664
Carrara MS 20 63133 171797

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of Carrara (63133 inhabitants)
24 Km N of Massa (69479 inhabitants)
27 Km NE of La Spezia (93959 inhabitants)
45 Km N of Viareggio (62467 inhabitants)
56 Km NW of Lucca (89046 inhabitants)
64 Km SW of Parma (192836 inhabitants)
65 Km NW of Pisa (89158 inhabitants)
65 Km SW of Reggio nell'Emilia (171345 inhabitants)
75 Km W of Pistoia (90315 inhabitants)
79 Km SW of Modena (184973 inhabitants)
80 Km N of Livorno (159219 inhabitants)
86 Km SW of Carpi (70699 inhabitants)
90 Km W of Prato (191150 inhabitants)
94 Km E of Genova (586655 inhabitants)
94 Km SE of Piacenza (102191 inhabitants)
98 Km S of Cremona (71901 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 1.9 2021-12-05
08:49:50
44.2533 10.0942 11 2022-03-30
13:04:22
Bollettino Sismico Italiano INGV 98611901
Reviewed
Rev100
ML 1.8 2021-12-05
08:49:50
44.2533 10.0942 11 2021-12-05
08:59:37
Sala Sismica INGV-Roma 98170451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-05 08:49:50 ± 0.11
Latitude 44.2533 ± 0.0063
Longitude 10.0942 ± 0.0075
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98611901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 740
Semi-minor axis of confidence ellipse (meter) 568
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) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84536
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 98611901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-17 06:41:01

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 98170451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-05 08:59:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RCAV.EHZ. 2021-12-05T08:51:33.33 3.0 undecidable manual Sg 10.17 0
IV.LRP.EHZ. 2021-12-05T08:51:27.25 3.0 undecidable manual Sn -7.39 0
IV.VIVA.HHZ. 2021-12-05T08:51:25.24 3.0 undecidable manual Sg 2.26 0
IV.MCEL.HHZ. 2021-12-05T08:51:21.81 3.0 negative manual Pn 3.7 0
IV.ARVD.HHZ. 2021-12-05T08:50:59.01 3.0 undecidable manual Sn 0.08 0
IV.OFFI.HHZ. 2021-12-05T08:50:45.70 3.0 undecidable manual Pg 6.74 0
IV.VIVA.HHZ. 2021-12-05T08:50:38.83 3.0 undecidable manual Pn -3.6 0
IV.MAGA.HHZ. 2021-12-05T08:50:16.93 3.0 undecidable manual P -2.44 0
IV.CELB.HHZ. 2021-12-05T08:50:16.88 3.0 undecidable manual P -2.32 0
GU.RNCA.HHZ. 2021-12-05T08:50:07.10 0.3 undecidable manual P 285 93.8394 50 0.77 58
IV.CRMI.HHZ. 2021-12-05T08:50:06.18 0.3 undecidable manual P 125 86.9463 50 0.9 55
IV.MSSA.HHZ. 2021-12-05T08:50:04.85 0.6 undecidable manual S 279 46.3203 50 -0.49 47
IV.BOB.HHE. 2021-12-05T08:50:04.03 0.3 undecidable manual P 318 76.6677 50 0.34 69
IV.BDI.HHZ. 2021-12-05T08:50:04.75 0.6 undecidable manual S 118 45.1215 50 -0.27 49
GU.GORR.HHE. 2021-12-05T08:50:03.86 0.3 undecidable manual P 302 74.6697 50 0.48 67
GU.CARD.HHZ. 2021-12-05T08:50:03.30 0.6 undecidable manual S 129 39.8268 50 -0.31 49
IV.ERBM.EHE. 2021-12-05T08:50:01.31 0.6 undecidable manual S 54 31.2465 50 -0.01 53
GU.POPM.HHZ. 2021-12-05T08:50:01.04 0.3 undecidable manual P 113 57.5979 50 0.29 72
IV.PLMA.HHZ. 2021-12-05T08:50:00.53 0.1 undecidable manual S 220 29.5482 50 -0.34 100
IV.MSSA.HHZ. 2021-12-05T08:49:59.05 0.3 undecidable manual P 279 46.3203 50 0.04 78
GU.MAIM.HHZ. 2021-12-05T08:49:59.67 0.3 undecidable manual P 140 49.3173 50 0.2 75
GU.GRAM.HHZ. 2021-12-05T08:49:59.16 0.6 undecidable manual S 355 26.3514 50 -0.86 42
IV.BDI.HHZ. 2021-12-05T08:49:58.66 0.3 undecidable manual P 118 45.1215 50 -0.17 76
GU.CARD.HHZ. 2021-12-05T08:49:57.99 0.3 undecidable manual P 129 39.8268 50 -0.03 79
IV.PLMA.HHZ. 2021-12-05T08:49:56.42 0.3 undecidable manual P 220 29.5482 50 -0.01 80
IV.ERBM.EHE. 2021-12-05T08:49:56.74 0.3 undecidable manual P 54 31.2465 50 0.05 80
GU.GRAM.HHZ. 2021-12-05T08:49:55.58 0.3 undecidable manual P 355 26.3514 50 -0.36 75
GU.EQUI.HHZ. 2021-12-05T08:49:55.46 0.6 undecidable manual S 154 10.7781 134 -0.12 54
GU.EQUI.HHZ. 2021-12-05T08:49:53.40 0.3 undecidable manual P 154 10.7781 134 0.02 83
GU.FIVI.HNZ. 2021-12-05T08:49:53.85 0.6 undecidable manual S 120 2.997 164 -0.31 53
GU.FIVI.HNZ. 2021-12-05T08:49:52.49 0.3 undecidable manual P 120 2.997 164 -0.07 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.FIVI.HNN. ML:2.1 0.0022207355 0.16 AML other m 2021-12-05T08:49:52.81
GU.FIVI.HNE. ML:2.2 0.0025883615 0.1408 AML other m 2021-12-05T08:49:54.07
GU.EQUI.HHE. ML:1.5 0.0003698404 0.2176 AML other m 2021-12-05T08:49:56.37
GU.EQUI.HHN. ML:1.5 0.0003628034 0.1792 AML other m 2021-12-05T08:49:56.39
GU.GRAM.HHE. ML:2.1 0.0007840000000000001 0.26 AML other m 2021-12-05T08:50:00.17
GU.GRAM.HHN. ML:2.2 0.0008259999999999999 0.36 AML other m 2021-12-05T08:50:00.49
IV.PLMA.HHN. ML:1.8 0.00028530929999999997 0.1216 AML other m 2021-12-05T08:50:00.93
GU.CARD.HHE. ML:2.0 0.00033 0.14 AML other m 2021-12-05T08:50:03.86
GU.CARD.HHN. ML:1.8 0.00020532295 0.0768 AML other m 2021-12-05T08:50:05.06
IV.BDI.HHN. ML:1.6 0.00010620238 0.224 AML other m 2021-12-05T08:50:06.20
IV.BDI.HHE. ML:1.5 0.00010164955500000001 1.7568 AML other m 2021-12-05T08:50:06.99
GU.POPM.HHN. ML:1.8 0.0001285 0.2 AML other m 2021-12-05T08:50:09.47
GU.POPM.HHE. ML:1.8 0.0001385 0.14 AML other m 2021-12-05T08:50:12.77
IV.BDI.HNE. ML:1.8 0.00017748609999999998 0.5504 AML other m 2021-12-05T08:50:07.80
IV.MSSA.HHE. ML:2.4 0.0007612997 0.1024 AML other m 2021-12-05T08:50:07.68
IV.MSSA.HHN. ML:2.2 0.0004338183 0.1408 AML other m 2021-12-05T08:50:05.76
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