Earthquake with magnitude of ML 1.5 on date 26-01-2021 and time 16:27:58 (Italy) in region 5 km W Sillano Giuncugnano (LU)

A magnitude ML 1.5 earthquake occured in region: 5 km W Sillano Giuncugnano (LU), on

  • 26-01-2021 15:27:58 (UTC)
  • 26-01-2021 16:27:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2450, 10.2490 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 5 1085 1085
Casola in Lunigiana MS 7 988 2073
Piazza al Serchio LU 8 2367 4440
Minucciano LU 9 2102 6542
Fivizzano MS 10 7925 14467
Comano MS 11 714 15181
San Romano in Garfagnana LU 11 1410 16591
Camporgiano LU 12 2176 18767
Vagli Sotto LU 15 939 19706
Careggine LU 15 564 20270
Villa Collemandina LU 15 1334 21604
Ventasso RE 15 4295 25899
Castiglione di Garfagnana LU 17 1818 27717
Licciana Nardi MS 17 4949 32666
Pieve Fosciana LU 18 2414 35080
Castelnuovo di Garfagnana LU 20 5950 41030

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Carrara (63133 inhabitants)
25 Km NE of Massa (69479 inhabitants)
37 Km E of La Spezia (93959 inhabitants)
42 Km N of Viareggio (62467 inhabitants)
49 Km NW of Lucca (89046 inhabitants)
59 Km SW of Reggio nell'Emilia (171345 inhabitants)
60 Km N of Pisa (89158 inhabitants)
62 Km S of Parma (192836 inhabitants)
64 Km NW of Pistoia (90315 inhabitants)
70 Km SW of Modena (184973 inhabitants)
77 Km N of Livorno (159219 inhabitants)
78 Km SW of Carpi (70699 inhabitants)
79 Km NW of Prato (191150 inhabitants)
91 Km W of Bologna (386663 inhabitants)
92 Km NW of Scandicci (50609 inhabitants)
96 Km NW of Firenze (382808 inhabitants)
100 Km SE of Piacenza (102191 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 1.5 2021-01-26
15:27:58
44.2447 10.2488 11 2021-07-12
16:54:59
Bollettino Sismico Italiano INGV 87407731
Reviewed
Rev100
ML 1.6 2021-01-26
15:27:58
44.2452 10.2515 11 2021-01-26
16:02:13
Sala Sismica INGV-Roma 86605951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-26 15:27:58 ± 0.07
Latitude 44.2447 ± 0.0054
Longitude 10.2488 ± 0.0063
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87407731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 644
Semi-minor axis of confidence ellipse (meter) 408
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
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) 0.66820
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 86605951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-26 16:02:13

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 87407731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-23 10:48:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPPT.EHN. 2021-01-26T15:28:21.60 0.6 undecidable manual S 115 74.1702 50 1.02 33
IV.PII.HHZ. 2021-01-26T15:28:17.13 0.6 undecidable manual S 159 61.9935 50 -0.2 44
GU.POPM.HHZ. 2021-01-26T15:28:13.06 0.6 undecidable manual S 119 46.1205 50 -0.02 47
GU.MAIM.HHE. 2021-01-26T15:28:11.71 0.6 undecidable manual S 152 41.5251 50 -0.16 46
IV.MPPT.EHN. 2021-01-26T15:28:11.78 0.3 undecidable manual P 115 74.1702 50 0.62 58
IV.PII.HHZ. 2021-01-26T15:28:09.74 0.3 undecidable manual P 159 61.9935 50 0.45 63
IV.BDI.HHZ. 2021-01-26T15:28:09.61 0.3 undecidable manual S 126 34.1436 50 -0.29 68
GU.GRAM.HHZ. 2021-01-26T15:28:08.99 0.3 undecidable manual S 332 30.9468 50 -0.04 72
GU.GSCL.HHZ. 2021-01-26T15:28:08.10 0.3 undecidable manual S 66 29.3484 50 -0.51 66
GU.CARD.HHZ. 2021-01-26T15:28:08.64 0.3 undecidable manual S 142 30.5472 50 -0.29 69
GU.ZCCA.HHZ. 2021-01-26T15:28:08.49 3.0 undecidable manual Pg 0
GU.POPM.HHZ. 2021-01-26T15:28:07.06 0.3 undecidable manual P 119 46.1205 50 0.23 68
GU.MAIM.HHE. 2021-01-26T15:28:06.22 0.1 undecidable manual P 152 41.5251 50 0.09 94
IV.BDI.HHZ. 2021-01-26T15:28:04.91 0.1 undecidable manual P 126 34.1436 50 -0.09 95
GU.GRAM.HHZ. 2021-01-26T15:28:04.33 0.3 undecidable manual P 332 30.9468 50 -0.16 71
GU.SARM.EHE. 2021-01-26T15:28:04.29 0.3 undecidable manual S 119 13.7751 128 -0.14 73
GU.GSCL.HHZ. 2021-01-26T15:28:04.35 0.1 positive manual P 66 29.3484 50 0.1 96
MN.VLC.HHZ. 2021-01-26T15:28:04.40 0.6 undecidable manual S 131 14.4744 127 -0.2 48
GU.CARD.HHZ. 2021-01-26T15:28:04.34 0.1 undecidable manual P 142 30.5472 50 -0.09 96
GU.FIVI.HNE. 2021-01-26T15:28:03.31 0.3 undecidable manual S 267 9.6792 139 -0.07 75
GU.EQUI.HHE. 2021-01-26T15:28:03.60 0.3 undecidable manual S 221 11.5773 133 -0.24 72
MN.VLC.HHZ. 2021-01-26T15:28:02.00 0.1 undecidable manual P 131 14.4744 127 0.06 99
GU.FIVI.HNE. 2021-01-26T15:28:01.38 0.1 negative manual P 267 9.6792 139 0.15 98
GU.EQUI.HHE. 2021-01-26T15:28:01.53 0.1 undecidable manual P 221 11.5773 133 0.04 100
GU.SARM.EHE. 2021-01-26T15:28:01.96 0.1 negative manual P 119 13.7751 128 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.VLC.HHN. ML:1.3 0.00017519105000000001 0.0768 AML other m 2021-01-26T15:28:05.06
MN.VLC.HNE. ML:1.4 0.0002166332 0.1792 AML other m 2021-01-26T15:28:04.73
MN.VLC.HHE. ML:1.4 0.00022032859999999998 0.1792 AML other m 2021-01-26T15:28:04.73
MN.VLC.HNN. ML:1.3 0.00017668460000000002 0.0768 AML other m 2021-01-26T15:28:05.02
GU.CARD.HHE. ML:1.6 0.00021164739999999998 0.0768 AML other m 2021-01-26T15:28:09.53
GU.GSCL.HHE. ML:1.6 0.0002065 0.26 AML other m 2021-01-26T15:28:08.85
GU.CARD.HHN. ML:1.6 0.00017335634999999998 0.0768 AML other m 2021-01-26T15:28:09.15
GU.GSCL.HHN. ML:1.4 0.0001225 1.54 AML other m 2021-01-26T15:28:09.79
IV.BDI.HHE. ML:1.5 0.000142095 0.2176 AML other m 2021-01-26T15:28:09.91
IV.BDI.HHN. ML:1.6 0.000162 0.32 AML other m 2021-01-26T15:28:10.44
GU.GRAM.HHE. ML:1.9 0.0003812002 0.2304 AML other m 2021-01-26T15:28:09.82
GU.GRAM.HHN. ML:1.9 0.0003423365 0.1792 AML other m 2021-01-26T15:28:10.62
IV.PLMA.HHE. ML:1.4 0.000086378285 0.0896 AML other m 2021-01-26T15:28:14.35
IV.PLMA.HHN. ML:1.4 0.00009915956 0.1408 AML other m 2021-01-26T15:28:14.16
IV.PII.HHE. ML:1.6 0.000080435485 0.2048 AML other m 2021-01-26T15:28:18.11
IV.PII.HHN. ML:1.6 0.0000831 0.1 AML other m 2021-01-26T15:28:19.25
IV.BDI.HNE. ML:1.5 0.00013473132000000002 0.1792 AML other m 2021-01-26T15:28:09.93
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