Earthquake with magnitude of ML 1.1 on date 02-02-2022 and time 01:12:42 (Italy) in region 1 km N Montieri (GR)

A magnitude ML 1.1 earthquake occured in region: 1 km N Montieri (GR), on

  • 02-02-2022 00:12:42 (UTC)
  • 02-02-2022 01:12:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1370, 11.0190 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.

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 6 1903 3107
Castelnuovo di Val di Cecina PI 12 2231 5338
Monticiano SI 13 1571 6909
Monterotondo Marittimo GR 13 1371 8280
Radicondoli SI 14 914 9194
Massa Marittima GR 14 8375 17569
Roccastrada GR 18 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)
70 Km S of Scandicci (50609 inhabitants)
73 Km S of Firenze (382808 inhabitants)
74 Km SE of Livorno (159219 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
82 Km SE of Pisa (89158 inhabitants)
83 Km S of Prato (191150 inhabitants)
89 Km S of Pistoia (90315 inhabitants)
89 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 1.1 2022-02-02
00:12:42
43.1368 11.0192 10 2022-07-08
12:33:57
Bollettino Sismico Italiano INGV 104710891
Reviewed
Rev100
ML 0.9 2022-02-02
00:12:42
43.129 11.0308 1 2022-02-02
00:19:37
Sala Sismica INGV-Roma 100511661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-02 00:12:42 ± 0.17
Latitude 43.1368 ± 0.0108
Longitude 11.0192 ± 0.0148
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104710891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1380
Semi-minor axis of confidence ellipse (meter) 910
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
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 17
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18886
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 104710891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-16 12:24:36

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 100511661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-02 00:19:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2022-02-02T00:14:28.82 3.0 undecidable manual Sg 1.04 0
IV.IVPL.HHZ. 2022-02-02T00:14:21.98 3.0 undecidable manual Pg 27.790001 0
ST.OZOL.EHZ. 2022-02-02T00:13:58.91 3.0 undecidable manual Sg 4.49 0
IX.RSF3.HHZ.02 2022-02-02T00:13:54.07 3.0 undecidable manual Pg 18.280001 0
IV.CDRU.HHZ. 2022-02-02T00:13:41.98 3.0 undecidable manual Pn 2.1 0
IV.VIVA.HHZ. 2022-02-02T00:13:21.99 3.0 negative manual Pg 13.31 0
IV.BOZZ.EHZ. 2022-02-02T00:13:21.58 3.0 undecidable manual Sg -2.55 0
IV.FAGN.HHZ. 2022-02-02T00:13:16.57 3.0 undecidable manual Pn 2.17 0
ST.RONC.HNZ. 2022-02-02T00:13:09.58 3.0 positive manual Pn 7.86 0
IV.MMUR.HNZ. 2022-02-02T00:13:04.49 3.0 undecidable manual Pn -2.23 0
GU.GRAM.HHZ. 2022-02-02T00:12:49.31 3.0 positive manual P 6.12 0
IV.RIBO.EHZ.01 2022-02-02T00:12:49.81 0.3 undecidable manual S 174 20.9679 115 -0.28 73
IV.FROS.CHZ. 2022-02-02T00:12:47.57 0.3 undecidable manual S 54 13.7751 126 -0.35 72
IV.TRIF.CHZ. 2022-02-02T00:12:46.53 0.3 undecidable manual S 256 9.7791 136 -0.34 73
IV.RIBO.EHZ.01 2022-02-02T00:12:46.97 0.1 undecidable manual P 174 20.9679 115 0.28 97
IV.TRIF.CHZ. 2022-02-02T00:12:45.04 0.1 undecidable manual P 256 9.7791 136 0.21 100
IV.FROS.CHZ. 2022-02-02T00:12:45.66 0.1 undecidable manual P 54 13.7751 126 0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHN. ML:1.0 0.00013849999999999998 0.28 AML other m 2022-02-02T00:12:46.68
IV.TRIF.CHE. ML:1.1 0.000149 0.1 AML other m 2022-02-02T00:12:46.83
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