Earthquake with magnitude of ML 0.6 on date 26-02-2023 and time 03:11:07 (UTC) in region 2 km W Piazza al Serchio (LU)

A magnitude ML 0.6 earthquake occured in region: 2 km W Piazza al Serchio (LU), on

  • 26-02-2023 03:11:07 (UTC)
  • 26-02-2023 04:11:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1810, 10.2700 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Piazza al Serchio LU 3 2367 2367
Minucciano LU 5 2102 4469
Sillano Giuncugnano LU 5 1085 5554
Camporgiano LU 6 2176 7730
San Romano in Garfagnana LU 6 1410 9140
Vagli Sotto LU 7 939 10079
Casola in Lunigiana MS 8 988 11067
Careggine LU 8 564 11631
Villa Collemandina LU 11 1334 12965
Castiglione di Garfagnana LU 12 1818 14783
Pieve Fosciana LU 13 2414 17197
Fivizzano MS 13 7925 25122
Castelnuovo di Garfagnana LU 14 5950 31072
Fosciandora LU 17 602 31674
Comano MS 17 714 32388
Molazzana LU 17 1043 33431
Fabbriche di Vergemoli LU 17 768 34199
Carrara MS 18 63133 97332
Gallicano LU 19 3807 101139
Massa MS 19 69479 170618
Montignoso MS 20 10323 180941

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NE of Carrara (63133 inhabitants)
19 Km NE of Massa (69479 inhabitants)
35 Km N of Viareggio (62467 inhabitants)
36 Km E of La Spezia (93959 inhabitants)
42 Km NW of Lucca (89046 inhabitants)
53 Km N of Pisa (89158 inhabitants)
59 Km W of Pistoia (90315 inhabitants)
64 Km SW of Reggio nell'Emilia (171345 inhabitants)
69 Km S of Parma (192836 inhabitants)
70 Km N of Livorno (159219 inhabitants)
74 Km SW of Modena (184973 inhabitants)
74 Km W of Prato (191150 inhabitants)
83 Km SW of Carpi (70699 inhabitants)
87 Km NW of Scandicci (50609 inhabitants)
91 Km NW of Firenze (382808 inhabitants)
92 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
Reviewed
Rev100
ML 0.6 2023-02-26
03:11:07
44.1812 10.27 10 2023-02-26
05:39:58
Sala Sismica INGV-Roma 114816621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-26 03:11:07 ± 0.12
Latitude 44.1812 ± 0.0126
Longitude 10.2700 ± 0.0100
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114816621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1481
Semi-minor axis of confidence ellipse (meter) 411
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
Circular confidence region, given by single value of horizontal uncertainty (meter) 1480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37502
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 114816621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-26 05:39:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2023-02-26T03:11:22.11 3.0 undecidable manual P -0.18 0
IV.BDI.HHZ. 2023-02-26T03:11:17.69 0.1 undecidable manual S 117 29.0487 50 -0.07 97
GU.CARD.HHZ. 2023-02-26T03:11:15.96 0.1 undecidable manual S 135 24.1536 112 -0.32 93
GU.POPM.HHZ. 2023-02-26T03:11:15.62 0.6 negative manual P 111 41.625 50 0.37 45
IV.PLMA.HHZ. 2023-02-26T03:11:15.29 3.0 negative manual P 2.23 0
GU.GRAM.HHZ. 2023-02-26T03:11:14.36 0.1 undecidable manual P 335 37.9287 50 -0.33 91
IV.BDI.HHZ. 2023-02-26T03:11:13.55 0.6 positive manual P 117 29.0487 50 0.23 47
GU.CARD.HHZ. 2023-02-26T03:11:12.71 0.6 undecidable manual P 135 24.1536 112 0.24 47
MN.VLC.HHZ. 2023-02-26T03:11:11.90 0.1 undecidable manual S 105 9.5793 136 -0.1 100
GU.EQUI.HHZ. 2023-02-26T03:11:11.83 0.1 undecidable manual S 260 9.4794 136 -0.15 99
GU.EQUI.HHZ. 2023-02-26T03:11:10.25 0.1 positive manual P 260 9.4794 136 0.27 97
MN.VLC.HHZ. 2023-02-26T03:11:10.27 0.1 negative manual P 105 9.5793 136 0.27 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.EQUI.HHE. ML:0.6 0.00005595 0.8 AML other m 2023-02-26T03:11:11.98
GU.EQUI.HHN. ML:0.6 0.0000615 1.6 AML other m 2023-02-26T03:11:11.99
MN.VLC.HHE. ML:0.6 0.000056099999999999995 0.76 AML other m 2023-02-26T03:11:12.40
MN.VLC.HHN. ML:0.6 0.0000479 0.12 AML other m 2023-02-26T03:11:12.00
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