Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 15-06-2022 and time 20:36:55 (Italy) in region 5 km W Radicondoli (SI)

A magnitude ML 0.8 earthquake occured in region: 5 km W Radicondoli (SI), on

  • 15-06-2022 18:36:55 (UTC)
  • 15-06-2022 20:36:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2790, 10.9850 at 8 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
Radicondoli SI 5 914 914
Casole d'Elsa SI 8 3897 4811
Pomarance PI 9 5897 10708
Castelnuovo di Val di Cecina PI 10 2231 12939
Chiusdino SI 16 1903 14842
Montieri GR 17 1204 16046
Volterra PI 17 10519 26565
Monterotondo Marittimo GR 18 1371 27936
Colle di Val d'Elsa SI 19 21620 49556
Sovicille SI 20 10116 59672

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Siena (53903 inhabitants)
56 Km S of Scandicci (50609 inhabitants)
59 Km N of Grosseto (82087 inhabitants)
59 Km SW of Firenze (382808 inhabitants)
63 Km E of Livorno (159219 inhabitants)
68 Km S of Prato (191150 inhabitants)
68 Km SE of Pisa (89158 inhabitants)
73 Km S of Pistoia (90315 inhabitants)
74 Km SE of Lucca (89046 inhabitants)
76 Km W of Arezzo (99543 inhabitants)
88 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 0.8 2022-06-15
18:36:55		 43.279 10.9847 8 2023-01-31
19:03:54		 Bollettino Sismico Italiano INGV 111366401
Reviewed
Rev100 		ML 0.8 2022-06-15
18:36:56		 43.2573 11.0623 15 2022-06-15
18:46:54		 Sala Sismica INGV-Roma 106080411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-15 18:36:55 ± 0.41
Latitude 43.2790 ± 0.0099
Longitude 10.9847 ± 0.0469
Depth (km) 8 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111366401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3811
Semi-minor axis of confidence ellipse (meter) 928
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 3810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.14299
Epicentral distance of station farthest from the epicenter (degree) 0.51621
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 111366401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-01 02:01:14

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 106080411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-15 18:46:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CASP.HHZ. 2022-06-15T18:37:12.56 0.6 undecidable manual S 190 55.0005 50 -0.68 42
IV.OSSC.HHZ. 2022-06-15T18:37:07.00 0.6 undecidable manual S 38 34.3434 102 -0.5 47
IV.RIBO.EHZ.01 2022-06-15T18:37:07.28 0.6 undecidable manual S 172 36.9297 101 -1.11 36
IV.CSNT.HHZ. 2022-06-15T18:37:06.34 0.6 undecidable manual S 49 32.745 103 -0.61 45
IV.CASP.HHZ. 2022-06-15T18:37:06.15 0.3 undecidable manual P 190 55.0005 50 0.49 69
IV.CRMI.HNN. 2022-06-15T18:37:06.29 0.3 undecidable manual P 360 57.2982 50 0.28 71
IV.RIBO.EHZ.01 2022-06-15T18:37:02.84 0.3 undecidable manual P 172 36.9297 101 -0.01 78
IV.CSNT.HHZ. 2022-06-15T18:37:02.04 0.3 undecidable manual P 49 32.745 103 0.01 79
IV.OSSC.HHZ. 2022-06-15T18:37:02.40 0.3 undecidable manual P 38 34.3434 102 0.05 78
IV.FROS.CHZ. 2022-06-15T18:37:01.89 0.6 undecidable manual S 119 15.873 115 0.5 49
IV.FROS.CHZ. 2022-06-15T18:36:59.22 0.1 negative manual P 119 15.873 115 0.4 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHE. ML:0.9 0.0000843 0.68 AML other m 2022-06-15T18:37:00.62
IV.FROS.CHN. ML:0.9 0.000079 0.4 AML other m 2022-06-15T18:37:02.88
IV.CSNT.HHN. ML:0.8 0.000025450000000000002 0.54 AML other m 2022-06-15T18:37:06.72
IV.CSNT.HHE. ML:0.8 0.00002305 0.66 AML other m 2022-06-15T18:37:06.49
IV.OSSC.HHE. ML:0.7 0.000021249999999999998 0.88 AML other m 2022-06-15T18:37:07.56
IV.OSSC.HHN. ML:0.6 0.000014750000000000001 0.6 AML other m 2022-06-15T18:37:08.26
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