Earthquake with magnitude of ML 1.2 on date 23-12-2022 and time 16:28:02 (UTC) in region 4 km NW Pievepelago (MO)

A magnitude ML 1.2 earthquake occured in region: 4 km NW Pievepelago (MO), on

  • 23-12-2022 16:28:02 (UTC)
  • 23-12-2022 17:28:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2430, 10.5990 at 12 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
Pievepelago MO 4 2222 2222
Riolunato MO 5 712 2934
Frassinoro MO 6 1926 4860
Fiumalbo MO 8 1280 6140
Palagano MO 10 2194 8334
Montecreto MO 10 940 9274
Abetone PT 12 621 9895
Lama Mocogno MO 13 2734 12629
Montefiorino MO 13 2203 14832
Sestola MO 14 2508 17340
Polinago MO 15 1672 19012
Toano RE 15 4463 23475
Fanano MO 16 2989 26464
Villa Minozzo RE 17 3750 30214
Fosciandora LU 18 602 30816
Castiglione di Garfagnana LU 18 1818 32634
Villa Collemandina LU 18 1334 33968
Pieve Fosciana LU 19 2414 36382

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Pistoia (90315 inhabitants)
43 Km NE of Massa (69479 inhabitants)
44 Km E of Carrara (63133 inhabitants)
45 Km N of Lucca (89046 inhabitants)
50 Km NE of Viareggio (62467 inhabitants)
51 Km S of Reggio nell'Emilia (171345 inhabitants)
52 Km SW of Modena (184973 inhabitants)
57 Km NW of Prato (191150 inhabitants)
61 Km N of Pisa (89158 inhabitants)
63 Km E of La Spezia (93959 inhabitants)
64 Km SW of Carpi (70699 inhabitants)
65 Km W of Bologna (386663 inhabitants)
66 Km SE of Parma (192836 inhabitants)
71 Km NW of Scandicci (50609 inhabitants)
74 Km NW of Firenze (382808 inhabitants)
80 Km NE of Livorno (159219 inhabitants)
90 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
Bulletin
Rev1000
ML 1.2 2022-12-23
16:28:02
44.2432 10.5992 12 2024-03-01
15:28:26
Bollettino Sismico Italiano INGV 118405541
Reviewed
Rev100
ML 1.2 2022-12-23
16:28:02
44.2427 10.6078 11 2022-12-23
16:38:35
Sala Sismica INGV-Roma 113040041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-23 16:28:02 ± 0.1
Latitude 44.2432 ± 0.0045
Longitude 10.5992 ± 0.0075
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118405541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 639
Semi-minor axis of confidence ellipse (meter) 331
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
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) 82
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.33904
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 118405541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-14 21:21:24

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 113040041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-23 16:38:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2022-12-23T16:28:12.07 0.6 undecidable manual S 150 25.2525 94 0.04 49
GU.CARD.HHZ. 2022-12-23T16:28:12.28 0.6 undecidable manual S 201 25.8519 93 0.11 49
GU.SARM.EHZ. 2022-12-23T16:28:10.18 0.6 undecidable manual S 248 17.0718 100 0.33 48
MN.VLC.HHZ. 2022-12-23T16:28:10.82 0.6 undecidable manual S 241 19.2696 97 0.38 47
IV.BDI.HHZ. 2022-12-23T16:28:10.82 0.6 undecidable manual S 181 19.9689 96 0.2 49
IV.ZCCA.HNZ. 2022-12-23T16:28:09.64 0.3 undecidable manual P 68 32.2455 92 0.43 67
GU.MAIM.HHZ. 2022-12-23T16:28:09.76 0.3 undecidable manual P 193 37.629 92 -0.27 67
GU.POPM.HHZ. 2022-12-23T16:28:08.09 0.1 undecidable manual P 150 25.2525 94 -0.05 96
GU.GSCL.HHN. 2022-12-23T16:28:08.40 0.3 undecidable manual S 356 11.9769 117 -0.15 75
GU.CARD.HHZ. 2022-12-23T16:28:07.95 0.1 undecidable manual P 201 25.8519 93 -0.27 92
IV.ERBM.EHN. 2022-12-23T16:28:07.96 0.3 undecidable manual P 323 24.5532 94 -0.06 74
MN.VLC.HHZ. 2022-12-23T16:28:07.19 0.1 undecidable manual P 241 19.2696 97 -0.03 98
IV.BDI.HHZ. 2022-12-23T16:28:07.30 0.1 undecidable manual P 181 19.9689 96 -0.02 97
GU.SARM.EHZ. 2022-12-23T16:28:06.93 0.1 undecidable manual P 248 17.0718 100 0.05 100
GU.GSCL.HHN. 2022-12-23T16:28:05.98 0.1 undecidable manual P 356 11.9769 117 -0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HNN. ML:1.2 0.00012535820000000002 0.1408 AML other m 2022-12-23T16:28:11.00
MN.VLC.HHN. ML:0.8 0.00004981548 0.32 AML other m 2022-12-23T16:28:11.03
IV.BDI.HHN. ML:1.4 0.00016 0.22 AML other m 2022-12-23T16:28:11.25
IV.BDI.HHE. ML:1.3 0.0001449271 0.1024 AML other m 2022-12-23T16:28:11.30
MN.VLC.HHE. ML:0.8 0.00004915403 0.1024 AML other m 2022-12-23T16:28:11.30
IV.BDI.HNE. ML:1.3 0.000154887885 0.2304 AML other m 2022-12-23T16:28:12.14
GU.POPM.HHN. ML:1.4 0.0001342889 0.1152 AML other m 2022-12-23T16:28:12.58
GU.POPM.HHE. ML:1.5 0.00017299999999999998 1.74 AML other m 2022-12-23T16:28:12.90
GU.CARD.HHN. ML:1.1 0.000072918255 1.8464 AML other m 2022-12-23T16:28:13.94
GU.CARD.HHE. ML:1.3 0.00010651828 0.1024 AML other m 2022-12-23T16:28:13.20
MN.VLC.HNN. ML:1.1 0.000100383855 1.0016 AML other m 2022-12-23T16:28:14.69
MN.VLC.HNE. ML:0.9 0.000061428625 0.6528 AML other m 2022-12-23T16:28:15.24
GU.MAIM.HHN. ML:1.0 0.000042378239999999996 0.6656 AML other m 2022-12-23T16:28:17.59
GU.MAIM.HHE. ML:1.1 0.000048719955000000005 0.3488 AML other m 2022-12-23T16:28:24.38
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