Earthquake with magnitude of ML 0.6 on date 04-09-2021 and time 07:56:05 (UTC) in region 2 km S Licciana Nardi (MS)

A magnitude ML 0.6 earthquake occured in region: 2 km S Licciana Nardi (MS), on

  • 04-09-2021 07:56:05 (UTC)
  • 04-09-2021 09:56:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2450, 10.0400 at 11 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
Licciana Nardi MS 2 4949 4949
Fivizzano MS 7 7925 12874
Aulla MS 7 11263 24137
Tresana MS 7 2044 26181
Bagnone MS 9 1887 28068
Podenzana MS 9 2180 30248
Villafranca in Lunigiana MS 9 4770 35018
Comano MS 10 714 35732
Casola in Lunigiana MS 12 988 36720
Fosdinovo MS 12 4883 41603
Filattiera MS 13 2309 43912
Bolano SP 13 7813 51725
Santo Stefano di Magra SP 13 9360 61085
Mulazzo MS 14 2424 63509
Minucciano LU 16 2102 65611
Sarzana SP 16 21976 87587
Calice al Cornoviglio SP 16 1138 88725
Castelnuovo Magra SP 16 8415 97140
Follo SP 17 6337 103477
Vezzano Ligure SP 17 7356 110833
Ortonovo SP 18 8277 119110
Arcola SP 18 10607 129717
Carrara MS 19 63133 192850
Pontremoli MS 19 7357 200207
Monchio delle Corti PR 20 933 201140

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Carrara (63133 inhabitants)
23 Km NE of La Spezia (93959 inhabitants)
25 Km NW of Massa (69479 inhabitants)
45 Km NW of Viareggio (62467 inhabitants)
58 Km NW of Lucca (89046 inhabitants)
66 Km NW of Pisa (89158 inhabitants)
66 Km SW of Parma (192836 inhabitants)
69 Km SW of Reggio nell'Emilia (171345 inhabitants)
78 Km W of Pistoia (90315 inhabitants)
80 Km N of Livorno (159219 inhabitants)
83 Km SW of Modena (184973 inhabitants)
90 Km E of Genova (586655 inhabitants)
90 Km SW of Carpi (70699 inhabitants)
94 Km W of Prato (191150 inhabitants)
94 Km SE of Piacenza (102191 inhabitants)
99 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 0.6 2021-09-04
07:56:05
44.245 10.0398 11 2022-03-30
13:04:26
Bollettino Sismico Italiano INGV 99319521
Reviewed
Rev100
ML 0.8 2021-09-04
07:56:05
44.2483 10.0213 10 2021-09-04
08:00:34
Sala Sismica INGV-Roma 95023701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-04 07:56:05 ± 0.19
Latitude 44.2450 ± 0.0099
Longitude 10.0398 ± 0.0402
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99319521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3352
Semi-minor axis of confidence ellipse (meter) 650
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 3350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24551
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.6
Num. used stations 3
Type of magnitude ML
Reference to an origin 95023701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-04 08:00:34

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 99319521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-04 13:11:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-09-04T07:56:47.83 3.0 undecidable manual Pg 4.29 0
GU.BHB.HHZ. 2021-09-04T07:56:44.60 3.0 undecidable manual Pn 3.39 0
IV.ARVD.HHZ. 2021-09-04T07:56:44.31 3.0 positive manual Pn 1.11 0
IV.ZEN8.EHZ. 2021-09-04T07:56:33.08 3.0 undecidable manual P 0.27 0
GU.GRAM.HHZ. 2021-09-04T07:56:15.54 0.3 undecidable manual S 4 27.2505 50 -0.09 74
IV.PLMA.HHZ. 2021-09-04T07:56:14.91 0.6 undecidable manual S 214 26.2515 50 -0.44 46
IV.PLMA.HHZ. 2021-09-04T07:56:11.49 0.1 undecidable manual P 214 26.2515 50 0.19 97
GU.GRAM.HHZ. 2021-09-04T07:56:11.54 0.1 undecidable manual P 4 27.2505 50 0.07 100
GU.EQUI.HHZ. 2021-09-04T07:56:11.47 0.3 undecidable manual S 134 12.5763 130 -0.01 77
GU.FIVI.HNZ. 2021-09-04T07:56:09.82 0.6 undecidable manual S 95 6.993 147 -0.36 49
GU.EQUI.HHZ. 2021-09-04T07:56:09.25 0.1 undecidable manual P 134 12.5763 130 0.18 100
GU.FIVI.HNZ. 2021-09-04T07:56:08.34 0.3 undecidable manual P 95 6.993 147 0.02 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.EQUI.HHE. ML:0.8 0.000059300000000000005 0.18 AML other m 2021-09-04T07:56:11.63
GU.EQUI.HHN. ML:0.4 0.0000311 1.22 AML other m 2021-09-04T07:56:12.11
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