Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 14-07-2022 and time 12:19:54 (UTC) in region 1 km SW Chiusdino (SI)

A magnitude ML 1.4 earthquake occured in region: 1 km SW Chiusdino (SI), on

  • 14-07-2022 12:19:54 (UTC)
  • 14-07-2022 14:19:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1520, 11.0800 at 12 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 1 1903 1903
Montieri GR 6 1204 3107
Monticiano SI 8 1571 4678
Radicondoli SI 13 914 5592
Castelnuovo di Val di Cecina PI 15 2231 7823
Roccastrada GR 17 9199 17022
Monterotondo Marittimo GR 18 1371 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)
68 Km S of Scandicci (50609 inhabitants)
70 Km S of Firenze (382808 inhabitants)
74 Km W of Arezzo (99543 inhabitants)
77 Km SE of Livorno (159219 inhabitants)
81 Km S of Prato (191150 inhabitants)
83 Km SE of Pisa (89158 inhabitants)
88 Km S of Pistoia (90315 inhabitants)
90 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 1.4 2022-07-14
12:19:54		 43.1518 11.08 12 2023-01-31
19:03:55		 Bollettino Sismico Italiano INGV 111553371
Reviewed
Rev100 		ML 1.6 2022-07-14
12:19:54		 43.1497 11.0767 10 2022-07-14
12:25:08		 Sala Sismica INGV-Roma 107252211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-14 12:19:54 ± 0.08
Latitude 43.1518 ± 0.0063
Longitude 11.0800 ± 0.0074
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111553371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 668
Semi-minor axis of confidence ellipse (meter) 295
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.66910
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 107252211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-14 12:25:08

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 111553371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-07 13:35:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2022-07-14T12:20:16.68 0.3 undecidable manual S 74 74.2701 91 -0.39 62
IV.ARCI.HHZ. 2022-07-14T12:20:09.25 0.3 undecidable manual S 136 46.2204 91 -0.32 66
IV.CASP.HHZ. 2022-07-14T12:20:08.67 0.3 undecidable manual S 204 43.623 91 -0.23 67
IV.CAFI.HHZ. 2022-07-14T12:20:08.22 0.3 undecidable manual P 74 74.2701 91 0.57 60
IV.MALA4.EHE. 2022-07-14T12:20:06.51 0.3 undecidable manual S 117 36.0417 92 -0.36 67
IV.CRMI.HNN. 2022-07-14T12:20:06.62 0.6 undecidable manual P 354 71.8725 91 -0.66 38
IV.MAGO.CHZ. 2022-07-14T12:20:06.72 0.3 undecidable manual S 292 36.741 92 -0.31 67
IV.MALA1.EHE. 2022-07-14T12:20:06.80 0.3 undecidable manual S 117 36.1416 92 -0.08 71
IV.MALA0.EHE. 2022-07-14T12:20:06.65 0.3 undecidable manual S 117 35.742 92 -0.14 70
IV.MALA2.EHE. 2022-07-14T12:20:06.73 0.3 undecidable manual S 117 36.2415 92 -0.18 69
IV.ARCI.HHZ. 2022-07-14T12:20:03.68 0.1 negative manual P 136 46.2204 91 0.36 90
IV.CASP.HHZ. 2022-07-14T12:20:03.28 0.1 undecidable manual P 204 43.623 91 0.35 91
IV.OSSC.HHE. 2022-07-14T12:20:03.36 0.6 undecidable manual P 18 43.3233 91 0.48 44
IV.RIBO.EHZ.01 2022-07-14T12:20:03.00 0.3 undecidable manual S 187 22.6551 94 -0.29 68
ZH.T1618.HNZ. 2022-07-14T12:20:03.12 0.6 undecidable manual P 6 48.8178 91 -0.6 40
IV.CSNT.HHZ. 2022-07-14T12:20:02.59 0.3 undecidable manual P 25 39.4272 91 0.31 68
IV.MALA2.EHE. 2022-07-14T12:20:02.03 0.1 undecidable manual P 117 36.2415 92 0.25 93
IV.MAGO.CHZ. 2022-07-14T12:20:02.05 0.1 negative manual P 292 36.741 92 0.19 94
IV.MALA0.EHE. 2022-07-14T12:20:01.86 0.3 undecidable manual P 117 35.742 92 0.14 72
IV.MALA1.EHE. 2022-07-14T12:20:01.81 0.3 undecidable manual P 117 36.1416 92 0.04 72
IV.MALA3.EHE. 2022-07-14T12:20:01.94 0.3 undecidable manual P 117 36.2415 92 0.15 71
IV.MALA4.EHE. 2022-07-14T12:20:01.89 0.3 undecidable manual P 117 36.0417 92 0.13 72
IV.FROS.CHZ. 2022-07-14T12:19:59.35 0.6 undecidable manual S 44 8.88 130 -0.46 46
IV.RIBO.EHZ.01 2022-07-14T12:19:59.81 0.6 undecidable manual P 187 22.6551 94 0.11 49
IV.FROS.CHZ. 2022-07-14T12:19:57.64 0.1 undecidable manual P 44 8.88 130 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHN. ML:2.2 0.0019140844999999999 0.096 AML other m 2022-07-14T12:19:59.37
IV.FROS.CHE. ML:2.0 0.00136854735 0.0896 AML other m 2022-07-14T12:19:59.47
IV.MAGO.CHE. ML:1.4 0.00008452952 2.1824 AML other m 2022-07-14T12:20:07.78
IV.MAGO.CHN. ML:1.4 0.000098087375 0.16 AML other m 2022-07-14T12:20:06.55
IV.ARCI.HNN. ML:1.6 0.00009850158499999999 0.288 AML other m 2022-07-14T12:20:10.01
IV.ARCI.HHE. ML:1.6 0.00010195 0.18 AML other m 2022-07-14T12:20:10.18
IV.ARCI.HNE. ML:1.5 0.00009390244500000001 0.1664 AML other m 2022-07-14T12:20:10.27
IV.ARCI.HHN. ML:1.6 0.000101868235 0.16 AML other m 2022-07-14T12:20:10.49
IV.CSNT.HHN. ML:1.1 0.00004343072 0.2624 AML other m 2022-07-14T12:20:07.82
IV.CSNT.HHE. ML:0.9 0.000030163290000000002 0.1984 AML other m 2022-07-14T12:20:09.00
IV.CAFI.HHN. ML:1.0 0.000013945499999999999 0.9408 AML other m 2022-07-14T12:20:18.05
IV.CAFI.HHE. ML:1.0 0.000014311295 0.384 AML other m 2022-07-14T12:20:16.95
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