Earthquake with magnitude of ML 1.6 on date 06-03-2022 and time 14:07:23 (UTC) in region 5 km NW Chiusdino (SI)

A magnitude ML 1.6 earthquake occured in region: 5 km NW Chiusdino (SI), on

  • 06-03-2022 14:07:23 (UTC)
  • 06-03-2022 15:07:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1890, 11.0430 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.

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 5 1903 1903
Montieri GR 7 1204 3107
Radicondoli SI 8 914 4021
Castelnuovo di Val di Cecina PI 11 2231 6252
Monticiano SI 12 1571 7823
Monterotondo Marittimo GR 16 1371 9194
Casole d'Elsa SI 17 3897 13091
Sovicille SI 18 10116 23207
Pomarance PI 19 5897 29104
Massa Marittima GR 20 8375 37479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Siena (53903 inhabitants)
48 Km N of Grosseto (82087 inhabitants)
64 Km S of Scandicci (50609 inhabitants)
67 Km S of Firenze (382808 inhabitants)
72 Km SE of Livorno (159219 inhabitants)
75 Km W of Arezzo (99543 inhabitants)
77 Km S of Prato (191150 inhabitants)
78 Km SE of Pisa (89158 inhabitants)
84 Km S of Pistoia (90315 inhabitants)
85 Km SE of Lucca (89046 inhabitants)
99 Km SE of Viareggio (62467 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 2022-03-06
14:07:23
43.1892 11.0432 7 2022-07-08
12:33:45
Bollettino Sismico Italiano INGV 103466671
Reviewed
Rev100
ML 1.5 2022-03-06
14:07:23
43.1903 11.0582 13 2022-03-06
14:18:19
Sala Sismica INGV-Roma 101729281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-06 14:07:23 ± 0.27
Latitude 43.1892 ± 0.0090
Longitude 11.0432 ± 0.0271
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103466671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2134
Semi-minor axis of confidence ellipse (meter) 411
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 2130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.24012
Epicentral distance of station farthest from the epicenter (degree) 0.82828
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 101729281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-06 14:18:19

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 103466671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-21 13:13:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RUFI.EHE. 2022-03-06T14:07:48.05 0.6 undecidable manual S 27 81.1521 50 -0.32 40
IV.CRMI.HNE. 2022-03-06T14:07:44.11 0.6 undecidable manual S 356 67.4769 50 -0.6 36
TV.SF11.HHZ. 2022-03-06T14:07:42.55 0.3 undecidable manual S 124 62.5929 50 -0.87 46
IV.MGAB.HHZ. 2022-03-06T14:07:40.28 0.6 undecidable manual P 109 91.9413 50 0.86 51
IV.RUFI.EHE. 2022-03-06T14:07:39.08 0.3 undecidable manual P 27 81.1521 50 1.32 68
IV.ARCI.HHZ. 2022-03-06T14:07:39.23 0.6 undecidable manual S 137 51.3153 50 -1.15 26
IV.SACS.HHE. 2022-03-06T14:07:38.57 0.3 undecidable manual P 118 79.7646 50 1.02 75
IV.CAFI.HNN. 2022-03-06T14:07:37.20 0.1 undecidable manual P 78 76.1682 50 0.2 100
IV.CASP.HHZ. 2022-03-06T14:07:37.84 0.3 undecidable manual S 198 46.5201 50 -1.27 36
IV.OSSC.HHZ. 2022-03-06T14:07:36.44 0.6 undecidable manual S 24 40.5261 50 -1.08 29
IV.CSNT.HHZ. 2022-03-06T14:07:35.44 0.6 undecidable manual S 32 37.2294 100 -0.98 32
IV.CRMI.HNE. 2022-03-06T14:07:35.87 0.3 undecidable manual P 356 67.4769 50 0.22 77
TV.SF11.HHZ. 2022-03-06T14:07:34.83 0.3 undecidable manual P 124 62.5929 50 -0.08 70
IV.ARCI.HHZ. 2022-03-06T14:07:33.00 0.1 undecidable manual P 137 51.3153 50 -0.15 92
IV.RIBO.EHZ.01 2022-03-06T14:07:32.52 0.6 undecidable manual S 179 26.6511 104 -0.29 46
IV.CASP.HHZ. 2022-03-06T14:07:32.39 0.1 undecidable manual P 198 46.5201 50 -0.03 98
IV.OSSC.HHZ. 2022-03-06T14:07:31.30 0.1 undecidable manual P 24 40.5261 50 -0.2 93
IV.CSNT.HHZ. 2022-03-06T14:07:30.77 0.3 undecidable manual P 32 37.2294 100 -0.1 74
IV.RIBO.EHZ.01 2022-03-06T14:07:29.11 0.3 undecidable manual P 179 26.6511 104 0.33 85
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RIBO.EHE.01 ML:1.7 0.00027719824999999996 0.2048 AML other m 2022-03-06T14:07:32.56
IV.RIBO.EHN.01 ML:1.5 0.00017861070000000002 0.096 AML other m 2022-03-06T14:07:32.68
IV.CSNT.HHN. ML:1.1 0.000046250125 0.2048 AML other m 2022-03-06T14:07:35.65
IV.CSNT.HHE. ML:1.1 0.0000522734 0.1152 AML other m 2022-03-06T14:07:35.89
IV.CASP.HHN. ML:1.7 0.000146 0.16 AML other m 2022-03-06T14:07:38.11
IV.CASP.HHE. ML:1.7 0.00016099999999999998 0.16 AML other m 2022-03-06T14:07:38.12
IV.CASP.HNE. ML:1.7 0.00015428702500000003 0.16 AML other m 2022-03-06T14:07:38.13
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