Earthquake with magnitude of ML 1.1 on date 23-05-2023 and time 19:23:20 (UTC) in region 2 km SW Abetone (PT)

A magnitude ML 1.1 earthquake occured in region: 2 km SW Abetone (PT), on

  • 23-05-2023 19:23:20 (UTC)
  • 23-05-2023 21:23:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1280, 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 6 1280 1901
Cutigliano PT 9 1488 3389
Pievepelago MO 9 2222 5611
Riolunato MO 12 712 6323
Coreglia Antelminelli LU 12 5215 11538
San Marcello Pistoiese PT 14 6416 17954
Bagni di Lucca LU 14 6161 24115
Piteglio PT 14 1683 25798
Barga LU 15 10034 35832
Fanano MO 15 2989 38821
Montecreto MO 15 940 39761
Sestola MO 15 2508 42269
Fosciandora LU 16 602 42871
Borgo a Mozzano LU 19 6994 49865
Gallicano LU 19 3807 53672
Pieve Fosciana LU 19 2414 56086
Castelnuovo di Garfagnana LU 19 5950 62036
Castiglione di Garfagnana LU 19 1818 63854
Molazzana LU 20 1043 64897
Frassinoro MO 20 1926 66823
Lizzano in Belvedere BO 20 2212 69035

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Pistoia (90315 inhabitants)
34 Km NE of Lucca (89046 inhabitants)
42 Km E of Massa (69479 inhabitants)
43 Km NE of Viareggio (62467 inhabitants)
45 Km E of Carrara (63133 inhabitants)
45 Km NW of Prato (191150 inhabitants)
50 Km NE of Pisa (89158 inhabitants)
59 Km NW of Scandicci (50609 inhabitants)
62 Km SW of Modena (184973 inhabitants)
63 Km NW of Firenze (382808 inhabitants)
64 Km S of Reggio nell'Emilia (171345 inhabitants)
66 Km E of La Spezia (93959 inhabitants)
69 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 1.1 2023-05-23
19:23:20
44.1278 10.6518 16 2023-05-23
19:31:04
Sala Sismica INGV-Roma 117647611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-23 19:23:20 ± 0.15
Latitude 44.1278 ± 0.0054
Longitude 10.6518 ± 0.0088
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 117647611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 726
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41549
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 117647611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-23 19:31:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLMA.HHZ. 2023-05-23T19:23:40.26 3.0 undecidable manual S 0
IV.PII.HHZ. 2023-05-23T19:23:35.05 0.3 undecidable manual S 193 46.1205 99 -0.6 61
IV.EQUI.HHZ. 2023-05-23T19:23:33.40 3.0 undecidable manual S 0
IV.PLMA.HHZ. 2023-05-23T19:23:32.73 3.0 undecidable manual P 0
IV.EQUI.HHZ. 2023-05-23T19:23:30.59 3.0 undecidable manual P 0
GU.MAIM.HHZ. 2023-05-23T19:23:30.50 0.3 undecidable manual S 208 27.0507 108 -0.16 71
GU.GSCL.HHZ. 2023-05-23T19:23:29.84 0.1 undecidable manual S 348 25.2525 110 -0.37 93
MN.VLC.HHZ. 2023-05-23T19:23:29.34 0.3 undecidable manual S 280 21.4674 115 0.08 74
IV.PII.HHZ. 2023-05-23T19:23:29.65 0.3 undecidable manual P 193 46.1205 99 0.29 68
GU.CARD.HHZ. 2023-05-23T19:23:28.40 0.3 undecidable manual S 230 17.5713 122 0.02 75
GU.POPM.HHZ. 2023-05-23T19:23:27.36 0.1 undecidable manual S 138 12.3765 134 0.08 99
IV.BDI.HHZ. 2023-05-23T19:23:26.69 0.1 undecidable manual S 212 8.4804 147 0.07 100
GU.GSCL.HHZ. 2023-05-23T19:23:26.36 0.1 undecidable manual P 348 25.2525 110 0.14 96
GU.MAIM.HHZ. 2023-05-23T19:23:26.63 0.3 undecidable manual P 208 27.0507 108 0.15 72
MN.VLC.HHZ. 2023-05-23T19:23:25.80 0.1 undecidable manual P 280 21.4674 115 0.12 97
GU.CARD.HHZ. 2023-05-23T19:23:25.24 0.3 undecidable manual P 230 17.5713 122 0.08 74
IV.BDI.HHZ. 2023-05-23T19:23:24.10 0.6 negative manual P 212 8.4804 147 -0.04 51
GU.POPM.HHZ. 2023-05-23T19:23:24.53 0.3 undecidable manual P 138 12.3765 134 0 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHE. ML:1.1 0.0001275 1.36 AML other m 2023-05-23T19:23:26.86
IV.BDI.HHN. ML:1.4 0.00020999999999999998 0.48 AML other m 2023-05-23T19:23:27.04
GU.POPM.HHE. ML:1.3 0.00015099999999999998 0.3 AML other m 2023-05-23T19:23:27.66
GU.POPM.HHN. ML:1.3 0.0001595 1.14 AML other m 2023-05-23T19:23:28.16
GU.CARD.HHN. ML:1.4 0.00016949999999999997 0.34 AML other m 2023-05-23T19:23:28.81
GU.CARD.HHE. ML:1.3 0.000145 0.08 AML other m 2023-05-23T19:23:28.65
MN.VLC.HHN. ML:0.7 0.0000288 0.4 AML other m 2023-05-23T19:23:29.43
MN.VLC.HHE. ML:0.7 0.000028499999999999998 1.08 AML other m 2023-05-23T19:23:29.00
GU.GSCL.HHE. ML:0.9 0.000038650000000000004 0.18 AML other m 2023-05-23T19:23:30.26
GU.GSCL.HHN. ML:1.1 0.0000596 0.3 AML other m 2023-05-23T19:23:30.47
GU.MAIM.HHE. ML:0.6 0.0000212 1.5 AML other m 2023-05-23T19:23:30.99
GU.MAIM.HHN. ML:0.6 0.000018500000000000002 0.4 AML other m 2023-05-23T19:23:31.69
IV.PII.HHE. ML:1.2 0.00004355000000000001 1.82 AML other m 2023-05-23T19:23:37.92
IV.PII.HHN. ML:1.2 0.000039599999999999994 0.3 AML other m 2023-05-23T19:23:37.78
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