Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-12-2022 and time 14:24:45 (UTC) in region 2 km SE Chiusdino (SI)

A magnitude ML 1.6 earthquake occured in region: 2 km SE Chiusdino (SI), on

  • 30-12-2022 14:24:45 (UTC)
  • 30-12-2022 15:24:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1440, 11.1090 at 7 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Chiusdino SI 2 1903 1903
Monticiano SI 6 1571 3474
Montieri GR 8 1204 4678
Radicondoli SI 14 914 5592
Roccastrada GR 15 9199 14791
Castelnuovo di Val di Cecina PI 18 2231 17022
Sovicille SI 18 10116 27138

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Siena (53903 inhabitants)
43 Km N of Grosseto (82087 inhabitants)
69 Km S of Scandicci (50609 inhabitants)
71 Km S of Firenze (382808 inhabitants)
72 Km SW of Arezzo (99543 inhabitants)
79 Km SE of Livorno (159219 inhabitants)
82 Km S of Prato (191150 inhabitants)
86 Km SE of Pisa (89158 inhabitants)
89 Km S of Pistoia (90315 inhabitants)
92 Km SE of Lucca (89046 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 1.6 2022-12-30
14:24:45		 43.1437 11.1093 7 2024-03-01
15:28:19		 Bollettino Sismico Italiano INGV 114919201
Reviewed
Rev100 		ML 1.9 2022-12-30
14:24:45		 43.1488 11.1117 8 2022-12-30
14:47:24		 Sala Sismica INGV-Roma 113192961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-30 14:24:45 ± 0.14
Latitude 43.1437 ± 0.0054
Longitude 11.1093 ± 0.0086
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114919201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 723
Semi-minor axis of confidence ellipse (meter) 495
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.02882
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 114919201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-02 16:14:24

ML:1.9

Field Value
Value 1.9
Uncertainty 0.5
Num. used stations 16
Type of magnitude ML
Reference to an origin 113192961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-30 14:47:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
1J.FX14.HHZ.00 2022-12-30T14:26:32.33 3.0 negative manual Pg 12.01 0
1J.FX11.HHZ. 2022-12-30T14:26:29.08 3.0 negative manual Pg 13.22 0
IV.ACATE.HNZ. 2022-12-30T14:26:29.03 3.0 positive manual Pn 4.79 0
GU.PZZ.HHZ. 2022-12-30T14:26:29.29 3.0 undecidable manual Sg 12.63 0
IV.TDS.HHZ. 2022-12-30T14:26:24.68 3.0 undecidable manual Pg 19.76 0
IV.SPS2.HHZ. 2022-12-30T14:26:22.77 3.0 positive manual Pg 14.25 0
CR.STON.BHZ. 2022-12-30T14:25:58.56 3.0 undecidable manual Pn -0.36 0
IV.LRP.EHZ. 2022-12-30T14:25:57.58 3.0 undecidable manual Sn 1.05 0
GU.RRL.HHZ. 2022-12-30T14:25:54.02 3.0 negative manual Pg 12.1 0
IV.RNI2.HHZ. 2022-12-30T14:25:30.45 3.0 undecidable manual Pn 1.02 0
GU.RORO.HHZ. 2022-12-30T14:25:27.28 3.0 undecidable manual Pn 1.41 0
IV.GUAR.HHZ. 2022-12-30T14:25:22.03 3.0 negative manual Pn 0.19 0
IV.OFFI.HHZ. 2022-12-30T14:25:17.63 3.0 undecidable manual Pn -0.92 0
IV.RUFI.EHZ. 2022-12-30T14:25:10.81 1.0 undecidable manual S 23 83.4498 50 -0.42 21
IV.CAFI.HHZ. 2022-12-30T14:25:07.44 1.0 undecidable manual S 73 72.2721 50 -0.79 19
IV.CRMI.HHZ. 2022-12-30T14:25:07.69 0.6 undecidable manual S 352 73.0713 50 -0.76 38
IV.LMD.HHE. 2022-12-30T14:25:05.45 0.6 undecidable manual P 25 114.1968 50 0.37 40
IV.BDI.HHZ. 2022-12-30T14:25:04.51 0.3 undecidable manual P 338 110.0121 50 0.07 65
IV.SFI.HNN. 2022-12-30T14:25:03.95 0.1 undecidable manual P 35 103.2189 50 0.56 78
GU.CARD.HHZ. 2022-12-30T14:25:03.79 0.6 undecidable manual P 333 110.112 50 -0.67 37
IV.ATMC.EHE. 2022-12-30T14:25:02.66 0.6 undecidable manual P 69 93.7395 50 0.73 37
IV.MPPT.EHN. 2022-12-30T14:25:01.36 0.3 undecidable manual P 359 90.3429 50 -0.04 68
IV.CRE.HHE. 2022-12-30T14:25:01.41 0.3 undecidable manual P 52 85.9473 50 0.67 58
IV.RUFI.EHZ. 2022-12-30T14:25:00.45 0.1 undecidable manual P 23 83.4498 50 0.1 90
IV.ARCI.HHZ. 2022-12-30T14:25:00.55 1.0 undecidable manual S 137 43.9227 50 -0.12 24
IV.LATE.HHZ. 2022-12-30T14:25:00.46 0.3 undecidable manual P 136 81.5517 50 0.41 64
IV.MGAB.HHZ. 2022-12-30T14:25:00.93 0.3 undecidable manual P 107 85.248 50 0.3 65
IV.SACS.HHE. 2022-12-30T14:24:59.22 0.3 undecidable manual P 116 72.6717 50 0.53 63
IV.PII.HHZ. 2022-12-30T14:24:59.85 0.3 undecidable manual P 324 79.5648 50 0.1 68
IV.CASP.HHE. 2022-12-30T14:24:59.83 0.6 undecidable manual S 207 43.9227 50 -0.83 39
IV.CRMI.HHZ. 2022-12-30T14:24:58.62 0.3 undecidable manual P 352 73.0713 50 -0.13 69
IV.CAFI.HHZ. 2022-12-30T14:24:58.52 0.3 undecidable manual P 73 72.2721 50 -0.1 69
IV.MALA0.EHN. 2022-12-30T14:24:56.62 0.3 undecidable manual S 117 33.2445 101 -0.64 65
IV.MALA5.EHN. 2022-12-30T14:24:56.76 1.0 undecidable manual S 117 33.5442 101 -0.58 22
TV.SF11.HHE. 2022-12-30T14:24:56.06 0.1 undecidable manual P 123 55.4001 50 0.04 96
IV.CASP.HHE. 2022-12-30T14:24:54.14 0.3 undecidable manual P 207 43.9227 50 -0.11 73
IV.ARCI.HHZ. 2022-12-30T14:24:54.19 0.1 undecidable manual P 137 43.9227 50 -0.07 98
IV.RIBO.EHE.01 2022-12-30T14:24:53.96 0.6 undecidable manual S 193 22.1556 107 0.43 47
IV.OSSC.HHZ. 2022-12-30T14:24:53.71 0.3 undecidable manual P 15 43.5231 50 -0.49 67
IV.MALA4.EHN. 2022-12-30T14:24:52.27 0.1 undecidable manual P 117 33.5442 101 -0.08 99
IV.MALA0.EHN. 2022-12-30T14:24:52.24 0.1 undecidable manual P 117 33.2445 101 -0.05 100
IV.MALA1.EHN. 2022-12-30T14:24:52.30 0.1 undecidable manual P 117 33.5442 101 -0.05 100
IV.MALA5.EHN. 2022-12-30T14:24:52.25 0.1 undecidable manual P 117 33.5442 101 -0.09 99
IV.RIBO.EHE.01 2022-12-30T14:24:50.36 0.6 undecidable manual P 193 22.1556 107 0.22 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RIBO.EHE.01 ML:2.3 0.001375 0.18 AML other m 2022-12-30T14:24:54.06
IV.RIBO.EHN.01 ML:2.2 0.0010105 0.18 AML other m 2022-12-30T14:24:54.26
IV.ARCI.HHE. ML:1.7 0.000163 0.14 AML other m 2022-12-30T14:24:56.38
IV.ARCI.HNE. ML:1.7 0.00015791349999999998 0.1536 AML other m 2022-12-30T14:24:56.38
IV.ARCI.HNN. ML:1.5 0.00009112776 0.16 AML other m 2022-12-30T14:24:56.70
IV.ARCI.HHN. ML:1.6 0.0001128487 0.2432 AML other m 2022-12-30T14:24:56.93
IV.OSSC.HHE. ML:1.8 0.000224 0.16 AML other m 2022-12-30T14:24:59.22
IV.OSSC.HHN. ML:1.7 0.00017649999999999998 0.28 AML other m 2022-12-30T14:24:59.30
IV.CASP.HHN. ML:1.9 0.00025873335000000004 0.1216 AML other m 2022-12-30T14:24:59.98
IV.CASP.HNE. ML:2.1 0.00036687939999999994 0.128 AML other m 2022-12-30T14:24:59.99
IV.CASP.HNN. ML:1.9 0.00024012253 0.0832 AML other m 2022-12-30T14:25:00.19
IV.CRMI.HHE. ML:1.1 0.0000216533975 0.1984 AML other m 2022-12-30T14:25:07.86
IV.CRMI.HHN. ML:1.3 0.000031087865 0.2624 AML other m 2022-12-30T14:25:08.29
IV.CASP.HHE. ML:2.0 0.00030942645 0.2432 AML other m 2022-12-30T14:25:03.79
IV.CAFI.HHN. ML:1.1 0.000017591925000000002 0.2752 AML other m 2022-12-30T14:25:07.89
IV.CAFI.HHE. ML:1.1 0.000019573425 0.3008 AML other m 2022-12-30T14:25:06.59
IV.PII.HHE. ML:1.7 0.00006328243 0.4416 AML other m 2022-12-30T14:25:10.68
IV.PII.HHN. ML:1.6 0.000061490835 0.3648 AML other m 2022-12-30T14:25:00.30
IV.RUFI.EHE. ML:1.5 0.000043825289999999995 0.3968 AML other m 2022-12-30T14:25:13.45
IV.CRE.HHE. ML:1.2 0.000018983874999999998 0.5568 AML other m 2022-12-30T14:25:18.47
IV.CRE.HHN. ML:1.3 0.000024905015 0.3008 AML other m 2022-12-30T14:25:13.37
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