Earthquake with magnitude of ML 1.3 on date 22-03-2022 and time 04:04:45 (Italy) in region 1 km W Chiusdino (SI)

A magnitude ML 1.3 earthquake occured in region: 1 km W Chiusdino (SI), on

  • 22-03-2022 03:04:45 (UTC)
  • 22-03-2022 04:04:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1580, 11.0720 at 10 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
Chiusdino SI 1 1903 1903
Montieri GR 5 1204 3107
Monticiano SI 9 1571 4678
Radicondoli SI 12 914 5592
Castelnuovo di Val di Cecina PI 15 2231 7823
Monterotondo Marittimo GR 18 1371 9194
Roccastrada GR 18 9199 18393
Sovicille SI 19 10116 28509
Massa Marittima GR 19 8375 36884

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Siena (53903 inhabitants)
44 Km N of Grosseto (82087 inhabitants)
67 Km S of Scandicci (50609 inhabitants)
70 Km S of Firenze (382808 inhabitants)
74 Km W of Arezzo (99543 inhabitants)
76 Km SE of Livorno (159219 inhabitants)
81 Km S of Prato (191150 inhabitants)
82 Km SE of Pisa (89158 inhabitants)
87 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
Reviewed
Rev100
ML 1.3 2022-03-22
03:04:45
43.1582 11.0718 10 2022-03-22
03:14:22
Sala Sismica INGV-Roma 102239181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-22 03:04:45 ± 0.11
Latitude 43.1582 ± 0.0063
Longitude 11.0718 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102239181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 759
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 157
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
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 21
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68888
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 102239181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-22 03:14:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.PGF.BHZ. 2022-03-22T03:05:33.78 3.0 undecidable manual Sg 1.13 0
IV.PTRJ.HHZ. 2022-03-22T03:05:31.70 3.0 undecidable manual Pg 8.75 0
IV.TERO.HNZ. 2022-03-22T03:05:30.82 3.0 undecidable manual Sn -0.14 0
IV.SNTG.HHZ. 2022-03-22T03:05:17.36 3.0 undecidable manual S 2.3 0
IV.PII.HHZ. 2022-03-22T03:05:08.70 1.0 undecidable manual S 325 76.4679 50 -0.18 23
IV.CASP.HHZ. 2022-03-22T03:05:00.26 1.0 undecidable manual S 202 44.0226 50 0.03 25
IV.PII.HHZ. 2022-03-22T03:05:00.11 3.0 undecidable manual P 325 76.4679 50 0.97 0
IV.ARCI.HHZ. 2022-03-22T03:05:00.79 0.3 undecidable manual S 136 47.2194 50 -0.27 70
IV.CSNT.HHE. 2022-03-22T03:04:58.80 0.6 undecidable manual S 27 39.1275 50 -0.11 49
IV.MAGO.CHZ. 2022-03-22T03:04:57.67 0.3 undecidable manual S 291 35.8419 50 -0.35 71
IV.ARCI.HHZ. 2022-03-22T03:04:55.19 1.0 undecidable manual P 136 47.2194 50 0.57 22
IV.CASP.HHZ. 2022-03-22T03:04:55.16 3.0 undecidable manual P 202 44.0226 50 1.02 0
IV.RIBO.EHZ. 2022-03-22T03:04:54.50 1.0 undecidable manual S 185 23.2545 114 -0.15 25
IV.MAGO.CHZ. 2022-03-22T03:04:53.16 0.1 undecidable manual P 291 35.8419 50 0.29 95
IV.CSNT.HHE. 2022-03-22T03:04:53.75 1.0 undecidable manual P 27 39.1275 50 0.37 23
IV.TRIF.CHZ. 2022-03-22T03:04:51.69 0.1 undecidable manual S 251 14.4744 125 -0.29 99
IV.RIBO.EHZ. 2022-03-22T03:04:51.66 3.0 undecidable manual P 185 23.2545 114 0.74 0
IV.FROS.CHZ. 2022-03-22T03:04:50.22 0.1 undecidable manual S 50 8.88 139 -0.31 100
IV.TRIF.CHZ. 2022-03-22T03:04:49.77 0.1 undecidable manual P 251 14.4744 125 0.39 97
IV.FROS.CHZ. 2022-03-22T03:04:48.83 0.1 undecidable manual P 50 8.88 139 0.29 100
IV.OSSC.HHZ. 2022-03-22T03:04:34.89 3.0 negative manual P -1.14 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHE. ML:1.8 0.0009025 0.64 AML other m 2022-03-22T03:04:50.30
IV.FROS.CHN. ML:1.5 0.00039349999999999997 0.16 AML other m 2022-03-22T03:04:50.42
IV.TRIF.CHN. ML:1.9 0.0008605 0.12 AML other m 2022-03-22T03:04:51.85
IV.TRIF.CHE. ML:1.9 0.0008674999999999999 1.72 AML other m 2022-03-22T03:04:52.02
IV.MAGO.CHE. ML:1.1 0.000045350000000000005 0.4 AML other m 2022-03-22T03:04:55.53
IV.MAGO.CHN. ML:1.2 0.000056099999999999995 0.7 AML other m 2022-03-22T03:04:58.55
IV.CASP.HHE. ML:1.1 0.000035799999999999996 0.28 AML other m 2022-03-22T03:05:00.45
IV.CASP.HHN. ML:1.1 0.00003495 0.68 AML other m 2022-03-22T03:05:00.42
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