Earthquake with magnitude of ML 0.6 on date 25-03-2021 and time 00:59:23 (UTC) in region 9 km NW Sillano Giuncugnano (LU)

A magnitude ML 0.6 earthquake occured in region: 9 km NW Sillano Giuncugnano (LU), on

  • 25-03-2021 00:59:23 (UTC)
  • 25-03-2021 01:59:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2970, 10.2530 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
Sillano Giuncugnano LU 9 1085 1085
Comano MS 9 714 1799
Ventasso RE 10 4295 6094
Casola in Lunigiana MS 12 988 7082
Fivizzano MS 12 7925 15007
Piazza al Serchio LU 13 2367 17374
Minucciano LU 15 2102 19476
San Romano in Garfagnana LU 16 1410 20886
Palanzano PR 16 1142 22028
Monchio delle Corti PR 17 933 22961
Camporgiano LU 17 2176 25137
Licciana Nardi MS 17 4949 30086
Villa Minozzo RE 19 3750 33836
Villa Collemandina LU 19 1334 35170
Castelnovo ne' Monti RE 20 10465 45635

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Carrara (63133 inhabitants)
30 Km NE of Massa (69479 inhabitants)
40 Km NE of La Spezia (93959 inhabitants)
48 Km N of Viareggio (62467 inhabitants)
54 Km SW of Reggio nell'Emilia (171345 inhabitants)
54 Km NW of Lucca (89046 inhabitants)
56 Km S of Parma (192836 inhabitants)
66 Km N of Pisa (89158 inhabitants)
66 Km SW of Modena (184973 inhabitants)
67 Km NW of Pistoia (90315 inhabitants)
74 Km SW of Carpi (70699 inhabitants)
82 Km NW of Prato (191150 inhabitants)
83 Km N of Livorno (159219 inhabitants)
89 Km W of Bologna (386663 inhabitants)
95 Km S of Cremona (71901 inhabitants)
95 Km SE of Piacenza (102191 inhabitants)
95 Km NW of Scandicci (50609 inhabitants)
99 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
Bulletin
Rev1000
ML 0.6 2021-03-25
00:59:23
44.2973 10.2528 11 2021-07-12
16:55:04
Bollettino Sismico Italiano INGV 88488651
Reviewed
Rev100
ML 0.4 2021-03-25
00:59:23
44.2998 10.2518 11 2021-03-25
01:12:16
Sala Sismica INGV-Roma 88442641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-25 00:59:23 ± 0.1
Latitude 44.2973 ± 0.0072
Longitude 10.2528 ± 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 88488651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 805
Semi-minor axis of confidence ellipse (meter) 466
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52610
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.5
Num. used stations 10
Type of magnitude ML
Reference to an origin 88488651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 09:40:29

ML:0.4

Field Value
Value 0.4
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 88442641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-25 01:12:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTV.EHZ. 2021-03-25T00:59:40.11 3.0 negative manual P -0.1 0
IV.BDI.HHZ. 2021-03-25T00:59:36.50 0.6 undecidable manual S 134 37.7289 50 0.2 48
GU.CARD.HHE. 2021-03-25T00:59:35.10 0.3 undecidable manual S 149 35.1426 50 -0.53 62
IV.MSSA.HHZ. 2021-03-25T00:59:34.22 0.3 undecidable manual P 272 58.3971 50 0.03 70
GU.GSCL.HHZ. 2021-03-25T00:59:33.60 0.6 undecidable manual S 77 27.2505 50 0.09 49
GU.GRAM.HHZ. 2021-03-25T00:59:33.00 0.6 undecidable manual S 325 26.0517 50 -0.2 47
GU.MAIM.HHN. 2021-03-25T00:59:32.80 0.6 undecidable manual P 156 46.7199 50 0.42 44
IV.PLMA.HHZ. 2021-03-25T00:59:31.48 0.3 undecidable manual P 229 42.0246 50 -0.18 69
GU.CARD.HHE. 2021-03-25T00:59:31.14 0.1 undecidable manual P 149 35.1426 50 0.53 88
IV.BDI.HHZ. 2021-03-25T00:59:31.12 0.1 undecidable manual P 134 37.7289 50 0.12 96
GU.EQUI.HHZ. 2021-03-25T00:59:30.40 0.6 undecidable manual S 209 16.5723 123 -0.25 48
MN.VLC.HHZ. 2021-03-25T00:59:30.80 0.3 undecidable manual S 145 18.6702 50 -0.41 69
GU.SARM.EHN. 2021-03-25T00:59:30.90 0.3 undecidable manual S 137 17.1717 122 0.07 74
GU.FIVI.HNZ. 2021-03-25T00:59:29.85 0.6 undecidable manual S 237 11.877 133 0.5 44
GU.GSCL.HHZ. 2021-03-25T00:59:29.39 0.1 undecidable manual P 77 27.2505 50 0 98
GU.GRAM.HHZ. 2021-03-25T00:59:28.97 0.1 undecidable manual P 325 26.0517 50 -0.24 94
MN.VLC.HHZ. 2021-03-25T00:59:28.03 0.1 undecidable manual P 145 18.6702 50 -0.03 99
GU.SARM.EHN. 2021-03-25T00:59:27.83 0.1 undecidable manual P 137 17.1717 122 -0.01 100
GU.EQUI.HHZ. 2021-03-25T00:59:27.58 0.1 undecidable manual P 209 16.5723 123 -0.15 98
GU.FIVI.HNZ. 2021-03-25T00:59:27.28 0.3 undecidable manual P 237 11.877 133 0.29 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.EQUI.HHE. ML:0.1 0.000010237988 0.18 AML other m 2021-03-25T00:59:30.59
GU.EQUI.HHN. ML:-0.2 0.000004512426 0.7 AML other m 2021-03-25T00:59:30.26
MN.VLC.HNN. ML:0.3 0.00001555949000000001 1.52 AML other m 2021-03-25T00:59:30.12
MN.VLC.HNE. ML:0.9 0.000062892395 1.34 AML other m 2021-03-25T00:59:31.73
MN.VLC.HHN. ML:0.3 0.0000148600795 0.14 AML other m 2021-03-25T00:59:31.77
MN.VLC.HHE. ML:0.3 0.0000172859825 0.18 AML other m 2021-03-25T00:59:31.86
GU.GRAM.HHN. ML:1.3 0.0001053 0.32 AML other m 2021-03-25T00:59:33.38
GU.GRAM.HHE. ML:1.3 0.000113 0.3 AML other m 2021-03-25T00:59:34.04
IV.PLMA.HHN. ML:1.1 0.00004168153 0.8 AML other m 2021-03-25T00:59:37.56
IV.PLMA.HHE. ML:0.9 0.0000250085 0.82 AML other m 2021-03-25T00:59:37.96
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