Earthquake with magnitude of ML 1.0 on date 11-01-2023 and time 23:32:02 (UTC) in region 6 km S Frassinoro (MO)

A magnitude ML 1.0 earthquake occured in region: 6 km S Frassinoro (MO), on

  • 11-01-2023 23:32:02 (UTC)
  • 12-01-2023 00:32:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2450, 10.5540 at 6 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
Frassinoro MO 6 1926 1926
Pievepelago MO 7 2222 4148
Riolunato MO 8 712 4860
Fiumalbo MO 10 1280 6140
Palagano MO 11 2194 8334
Montecreto MO 13 940 9274
Montefiorino MO 14 2203 11477
Abetone PT 14 621 12098
Toano RE 15 4463 16561
Villa Minozzo RE 15 3750 20311
Castiglione di Garfagnana LU 15 1818 22129
Villa Collemandina LU 16 1334 23463
Lama Mocogno MO 16 2734 26197
Fosciandora LU 16 602 26799
Pieve Fosciana LU 17 2414 29213
Sestola MO 18 2508 31721
Polinago MO 18 1672 33393
San Romano in Garfagnana LU 19 1410 34803
Castelnuovo di Garfagnana LU 19 5950 40753
Barga LU 20 10034 50787
Fanano MO 20 2989 53776
Camporgiano LU 20 2176 55952
Coreglia Antelminelli LU 20 5215 61167

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Massa (69479 inhabitants)
41 Km E of Carrara (63133 inhabitants)
45 Km N of Lucca (89046 inhabitants)
45 Km NW of Pistoia (90315 inhabitants)
48 Km NE of Viareggio (62467 inhabitants)
51 Km S of Reggio nell'Emilia (171345 inhabitants)
54 Km SW of Modena (184973 inhabitants)
59 Km NW of Prato (191150 inhabitants)
60 Km E of La Spezia (93959 inhabitants)
60 Km N of Pisa (89158 inhabitants)
65 Km S of Parma (192836 inhabitants)
65 Km SW of Carpi (70699 inhabitants)
69 Km W of Bologna (386663 inhabitants)
74 Km NW of Scandicci (50609 inhabitants)
77 Km NW of Firenze (382808 inhabitants)
79 Km N of Livorno (159219 inhabitants)
93 Km W of Imola (69797 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 1.0 2023-01-11
23:32:02
44.2447 10.5537 6 2023-01-11
23:37:32
Sala Sismica INGV-Roma 113481501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-11 23:32:02 ± 0.23
Latitude 44.2447 ± 0.0036
Longitude 10.5537 ± 0.0063
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113481501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 448
Semi-minor axis of confidence ellipse (meter) 284
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 95
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.10882
Epicentral distance of station farthest from the epicenter (degree) 0.24731
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 113481501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-11 23:37:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2023-01-11T23:32:12.24 0.1 undecidable manual S 144 27.4503 102 0.24 94
GU.CARD.HHZ. 2023-01-11T23:32:10.93 0.1 undecidable manual S 193 24.8529 103 -0.22 94
IV.BDI.HHZ. 2023-01-11T23:32:09.53 0.1 undecidable manual S 171 20.4684 105 -0.12 97
GU.CARD.HHZ. 2023-01-11T23:32:07.26 0.1 undecidable manual P 193 24.8529 103 -0.15 96
GU.SARM.EHZ. 2023-01-11T23:32:07.56 0.1 undecidable manual S 241 13.875 112 0.08 99
GU.POPM.HHZ. 2023-01-11T23:32:07.86 0.6 negative manual P 144 27.4503 102 -0.04 49
GU.GSCL.HHZ. 2023-01-11T23:32:06.86 0.1 undecidable manual S 13 12.0768 115 -0.05 100
IV.BDI.HHZ. 2023-01-11T23:32:06.62 0.1 positive manual P 171 20.4684 105 0.08 98
GU.SARM.EHZ. 2023-01-11T23:32:05.51 0.1 undecidable manual P 241 13.875 112 0.22 96
GU.GSCL.HHZ. 2023-01-11T23:32:04.88 0.1 undecidable manual P 13 12.0768 115 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHE. ML:1.2 0.0002 0.24 AML other m 2023-01-11T23:32:07.15
GU.GSCL.HHN. ML:1.4 0.000359 0.16 AML other m 2023-01-11T23:32:07.12
IV.BDI.HHE. ML:0.9 0.0000631 0.44 AML other m 2023-01-11T23:32:10.24
IV.BDI.HHN. ML:0.9 0.0000673 1.14 AML other m 2023-01-11T23:32:10.34
GU.POPM.HHN. ML:1.0 0.0000477 0.86 AML other m 2023-01-11T23:32:12.23
GU.POPM.HHE. ML:1.0 0.000048899999999999996 0.34 AML other m 2023-01-11T23:32:12.74
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