Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 02-01-2022 and time 06:38:03 (UTC) in region 1 km NW Montieri (GR)

A magnitude ML 1.3 earthquake occured in region: 1 km NW Montieri (GR), on

  • 02-01-2022 06:38:03 (UTC)
  • 02-01-2022 07:38:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1380, 11.0100 at 10 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
Montieri GR 1 1204 1204
Chiusdino SI 7 1903 3107
Castelnuovo di Val di Cecina PI 11 2231 5338
Monterotondo Marittimo GR 12 1371 6709
Massa Marittima GR 14 8375 15084
Monticiano SI 14 1571 16655
Radicondoli SI 14 914 17569
Roccastrada GR 19 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Siena (53903 inhabitants)
43 Km N of Grosseto (82087 inhabitants)
71 Km S of Scandicci (50609 inhabitants)
73 Km SE of Livorno (159219 inhabitants)
73 Km S of Firenze (382808 inhabitants)
80 Km W of Arezzo (99543 inhabitants)
81 Km SE of Pisa (89158 inhabitants)
83 Km S of Prato (191150 inhabitants)
89 Km SE of Lucca (89046 inhabitants)
89 Km S of Pistoia (90315 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 1.3 2022-01-02
06:38:03		 43.1378 11.0097 10 2022-07-08
12:33:23		 Bollettino Sismico Italiano INGV 99911411
Reviewed
Rev100 		ML 1.3 2022-01-02
06:38:03		 43.1433 11.0072 10 2022-01-02
06:44:47		 Sala Sismica INGV-Roma 99238791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-02 06:38:03 ± 0.09
Latitude 43.1378 ± 0.0054
Longitude 11.0097 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99911411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 686
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70327
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 99911411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-18 16:23:22

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 99238791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-02 06:44:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2022-01-02T06:39:38.00 3.0 undecidable manual Sg 5.69 0
IV.TDS.HHZ. 2022-01-02T06:39:35.81 3.0 undecidable manual Pg 11.09 0
IV.MIDA.HHZ. 2022-01-02T06:39:32.65 3.0 undecidable manual Sg 5.69 0
IV.VARE.HHZ. 2022-01-02T06:39:30.23 3.0 undecidable manual Sn -3.21 0
IV.GALF.HHZ. 2022-01-02T06:39:30.57 3.0 positive manual Pn -4.16 0
IV.ZEN8.EHZ. 2022-01-02T06:39:25.60 3.0 undecidable manual Sg 7.42 0
IV.MBAL.EHZ. 2022-01-02T06:39:21.43 3.0 undecidable manual Sg 1.86 0
IV.GUAR.HHZ. 2022-01-02T06:39:14.44 3.0 undecidable manual Sg 3.81 0
IX.RSF3.HHZ.02 2022-01-02T06:39:09.07 3.0 undecidable manual Pg 5.11 0
IV.LAV9.HNZ. 2022-01-02T06:39:02.86 3.0 undecidable manual Sn -1.44 0
IV.MBAL.EHZ. 2022-01-02T06:38:50.09 3.0 positive manual Pg 3.39 0
IV.ARCI.HHZ. 2022-01-02T06:38:19.47 0.6 undecidable manual S 130 49.3173 50 -0.03 48
IV.OSSC.HHZ. 2022-01-02T06:38:18.45 0.1 undecidable manual S 24 46.8198 50 -0.38 90
IV.CELB.HHZ. 2022-01-02T06:38:18.18 0.6 undecidable manual P 236 78.0663 50 0.98 34
IV.CASP.HHZ. 2022-01-02T06:38:16.62 0.1 undecidable manual S 197 40.2264 50 -0.46 89
IV.MAGO.CHE. 2022-01-02T06:38:14.51 0.3 undecidable manual S 298 32.1456 50 -0.41 69
IV.ARCI.HHZ. 2022-01-02T06:38:13.07 0.1 undecidable manual P 130 49.3173 50 0.3 91
IV.OSSC.HHZ. 2022-01-02T06:38:12.68 0.1 undecidable manual P 24 46.8198 50 0.29 91
IV.CSNT.HHZ. 2022-01-02T06:38:12.04 0.1 undecidable manual P 31 43.5231 50 0.16 94
IV.CASP.HHZ. 2022-01-02T06:38:11.65 0.3 undecidable manual P 197 40.2264 50 0.28 69
IV.RIBO.EHZ. 2022-01-02T06:38:11.37 0.1 undecidable manual S 172 21.1677 115 -0.31 95
IV.MAGO.CHE. 2022-01-02T06:38:10.17 0.1 undecidable manual P 298 32.1456 50 0.04 99
IV.FROS.CHE. 2022-01-02T06:38:09.30 0.1 undecidable manual S 56 14.2746 124 -0.29 97
IV.RIBO.EHZ. 2022-01-02T06:38:08.38 0.1 undecidable manual P 172 21.1677 115 0.13 99
IV.TRIF.CHZ. 2022-01-02T06:38:07.96 0.6 undecidable manual S 254 9.0798 137 -0.24 49
IV.FROS.CHE. 2022-01-02T06:38:07.18 0.1 positive manual P 56 14.2746 124 0.13 100
IV.TRIF.CHZ. 2022-01-02T06:38:06.48 0.1 undecidable manual P 254 9.0798 137 0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CASP.HNN. ML:1.7 0.00015836044999999999 0.1408 AML other m 2022-01-02T06:38:16.91
IV.CASP.HHN. ML:1.7 0.00018152010000000002 0.0992 AML other m 2022-01-02T06:38:17.08
IV.CASP.HNE. ML:1.6 0.00012721616999999998 0.16 AML other m 2022-01-02T06:38:17.07
IV.CASP.HHE. ML:1.5 0.0001224282 0.16 AML other m 2022-01-02T06:38:17.19
IV.ARCI.HNE. ML:1.2 0.000038872749999999995 1.4304 AML other m 2022-01-02T06:38:17.04
IV.CSNT.HHE. ML:1.2 0.000045366335 0.0992 AML other m 2022-01-02T06:38:17.84
IV.CSNT.HHN. ML:1.3 0.00005811181 0.1376 AML other m 2022-01-02T06:38:17.86
IV.OSSC.HHE. ML:0.8 0.000020828805000000003 0.2016 AML other m 2022-01-02T06:38:18.88
IV.ARCI.HHN. ML:1.1 0.000035109795 0.1408 AML other m 2022-01-02T06:38:19.78
IV.OSSC.HHN. ML:1.0 0.000023855034 0.4416 AML other m 2022-01-02T06:38:20.63
IV.ARCI.HHE. ML:1.0 0.00002662402 0.2016 AML other m 2022-01-02T06:38:20.48
IV.ARCI.HNN. ML:1.2 0.000038581665 0.3488 AML other m 2022-01-02T06:38:21.01
IV.CELB.HHE. ML:1.5 0.00004451406 0.0608 AML other m 2022-01-02T06:38:28.23
IV.CELB.HHN. ML:1.4 0.0000348764045 1.7376 AML other m 2022-01-02T06:38:29.89
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