Earthquake with magnitude of ML 1.4 on date 23-05-2023 and time 11:46:39 (Italy) in region 2 km SW Abetone (PT)

A magnitude ML 1.4 earthquake occured in region: 2 km SW Abetone (PT), on

  • 23-05-2023 09:46:39 (UTC)
  • 23-05-2023 11:46:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1340, 10.6520 at 16 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
Abetone PT 2 621 621
Fiumalbo MO 5 1280 1901
Pievepelago MO 9 2222 4123
Cutigliano PT 9 1488 5611
Riolunato MO 11 712 6323
Coreglia Antelminelli LU 13 5215 11538
Montecreto MO 14 940 12478
San Marcello Pistoiese PT 14 6416 18894
Fanano MO 14 2989 21883
Bagni di Lucca LU 14 6161 28044
Sestola MO 15 2508 30552
Piteglio PT 15 1683 32235
Barga LU 15 10034 42269
Fosciandora LU 16 602 42871
Gallicano LU 19 3807 46678
Frassinoro MO 19 1926 48604
Castiglione di Garfagnana LU 19 1818 50422
Pieve Fosciana LU 19 2414 52836
Borgo a Mozzano LU 19 6994 59830
Castelnuovo di Garfagnana LU 19 5950 65780
Lizzano in Belvedere BO 20 2212 67992
Molazzana LU 20 1043 69035

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Pistoia (90315 inhabitants)
34 Km NE of Lucca (89046 inhabitants)
42 Km E of Massa (69479 inhabitants)
44 Km NE of Viareggio (62467 inhabitants)
45 Km E of Carrara (63133 inhabitants)
45 Km NW of Prato (191150 inhabitants)
51 Km NE of Pisa (89158 inhabitants)
60 Km NW of Scandicci (50609 inhabitants)
61 Km SW of Modena (184973 inhabitants)
63 Km S of Reggio nell'Emilia (171345 inhabitants)
63 Km NW of Firenze (382808 inhabitants)
66 Km E of La Spezia (93959 inhabitants)
68 Km SW of Bologna (386663 inhabitants)
70 Km NE of Livorno (159219 inhabitants)
75 Km S of Carpi (70699 inhabitants)
79 Km SE of Parma (192836 inhabitants)
88 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 1.4 2023-05-23
09:46:39
44.1337 10.6522 16 2023-05-23
10:01:53
Sala Sismica INGV-Roma 117624661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-23 09:46:39 ± 0.08
Latitude 44.1337 ± 0.0036
Longitude 10.6522 ± 0.0050
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117624661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 432
Semi-minor axis of confidence ellipse (meter) 156
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 35
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.42178
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 117624661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-23 10:01:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FNVD.HHE. 2023-05-23T09:46:52.35 0.6 undecidable manual S 84 37.629 101 -0.27 60
GU.MAIM.HHZ. 2023-05-23T09:46:49.72 0.6 undecidable manual S 208 27.6501 107 -0.29 62
GU.GSCL.HHZ. 2023-05-23T09:46:49.11 0.3 undecidable manual S 348 24.5532 110 -0.14 95
MN.VLC.HHZ. 2023-05-23T09:46:48.46 0.3 undecidable manual S 278 21.3675 114 0.02 98
IV.PII.HHZ. 2023-05-23T09:46:48.98 0.6 positive manual P 193 46.8198 98 0.31 59
GU.SARM.EHZ. 2023-05-23T09:46:48.27 0.3 undecidable manual S 286 20.7681 115 -0.03 99
GU.CARD.HHZ. 2023-05-23T09:46:47.62 0.6 undecidable manual S 229 18.0708 120 -0.04 66
IV.FNVD.HHE. 2023-05-23T09:46:47.50 0.3 undecidable manual P 84 37.629 101 0.22 93
GU.POPM.HHZ. 2023-05-23T09:46:46.59 0.3 undecidable manual S 140 12.876 132 0.05 100
GU.MAIM.HHZ. 2023-05-23T09:46:45.20 0.6 undecidable manual P 208 27.6501 107 -0.58 57
GU.GSCL.HHZ. 2023-05-23T09:46:45.45 0.3 undecidable manual P 348 24.5532 110 0.11 97
IV.BDI.HHZ. 2023-05-23T09:46:45.86 0.6 undecidable manual S 210 9.0798 144 0 67
GU.SARM.EHZ. 2023-05-23T09:46:44.81 0.3 undecidable manual P 286 20.7681 115 0.02 99
GU.CARD.HHZ. 2023-05-23T09:46:44.39 0.3 undecidable manual P 229 18.0708 120 -0.03 100
MN.VLC.HHZ. 2023-05-23T09:46:44.95 0.3 undecidable manual P 278 21.3675 114 0.08 97
IV.BDI.HHZ. 2023-05-23T09:46:43.43 0.3 undecidable manual P 210 9.0798 144 0.05 100
GU.POPM.HHZ. 2023-05-23T09:46:43.88 0.3 undecidable manual P 140 12.876 132 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHE. ML:1.4 0.000251 1.34 AML other m 2023-05-23T09:46:45.32
IV.BDI.HHN. ML:1.6 0.00040500000000000003 0.46 AML other m 2023-05-23T09:46:46.18
GU.POPM.HHE. ML:1.6 0.0003095 0.28 AML other m 2023-05-23T09:46:46.80
GU.POPM.HHN. ML:1.6 0.000319 1.12 AML other m 2023-05-23T09:46:47.85
GU.CARD.HHN. ML:1.7 0.00031999999999999997 0.36 AML other m 2023-05-23T09:46:47.95
GU.CARD.HHE. ML:1.6 0.0002965 0.1 AML other m 2023-05-23T09:46:47.79
MN.VLC.HHN. ML:1.0 0.00005415 0.4 AML other m 2023-05-23T09:46:48.76
MN.VLC.HHE. ML:1.2 0.00008499999999999999 0.96 AML other m 2023-05-23T09:46:48.13
GU.GSCL.HHE. ML:1.2 0.00008645 0.18 AML other m 2023-05-23T09:46:49.39
GU.GSCL.HHN. ML:1.4 0.000136 0.32 AML other m 2023-05-23T09:46:49.45
GU.MAIM.HHN. ML:1.0 0.000043650000000000004 0.42 AML other m 2023-05-23T09:46:50.06
GU.MAIM.HHE. ML:0.9 0.00004075 0.52 AML other m 2023-05-23T09:46:50.12
IV.PII.HHN. ML:1.5 0.0000823 0.22 AML other m 2023-05-23T09:46:55.85
IV.PII.HHE. ML:1.5 0.00009105 1.46 AML other m 2023-05-23T09:46:56.86
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download