Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 19-05-2022 and time 15:37:06 (UTC) in region 4 km E Radicondoli (SI)

A magnitude ML 1.5 earthquake occured in region: 4 km E Radicondoli (SI), on

  • 19-05-2022 15:37:06 (UTC)
  • 19-05-2022 17:37:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2470, 11.0910 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.

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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 4 914 914
Chiusdino SI 10 1903 2817
Casole d'Elsa SI 11 3897 6714
Sovicille SI 12 10116 16830
Monticiano SI 14 1571 18401
Montieri GR 14 1204 19605
Castelnuovo di Val di Cecina PI 16 2231 21836
Pomarance PI 19 5897 27733
Monteriggioni SI 19 9810 37543
Colle di Val d'Elsa SI 20 21620 59163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Siena (53903 inhabitants)
54 Km N of Grosseto (82087 inhabitants)
57 Km S of Scandicci (50609 inhabitants)
60 Km S of Firenze (382808 inhabitants)
69 Km W of Arezzo (99543 inhabitants)
71 Km S of Prato (191150 inhabitants)
72 Km E of Livorno (159219 inhabitants)
76 Km SE of Pisa (89158 inhabitants)
78 Km S of Pistoia (90315 inhabitants)
82 Km SE of Lucca (89046 inhabitants)
97 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 1.5 2022-05-19
15:37:06		 43.247 11.0913 10 2023-01-31
19:03:27		 Bollettino Sismico Italiano INGV 107863631
Reviewed
Rev100 		ML 1.5 2022-05-19
15:37:06		 43.2513 11.0883 10 2022-05-19
15:42:20		 Sala Sismica INGV-Roma 104874221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-19 15:37:06 ± 0.13
Latitude 43.2470 ± 0.0063
Longitude 11.0913 ± 0.0123
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 107863631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1032
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 119
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.62773
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 104874221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-19 15:42:20

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 107863631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-30 02:45:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2022-05-19T15:37:28.13 0.6 undecidable manual S 319 69.6747 50 0.05 44
IV.CASP.HHZ. 2022-05-19T15:37:23.67 0.6 undecidable manual S 200 53.8017 50 -0.18 45
ZH.T1646.HNZ. 2022-05-19T15:37:22.66 0.6 undecidable manual S 2 45.7209 50 0.97 35
ZH.T1648.EHN. 2022-05-19T15:37:22.51 0.6 undecidable manual S 18 48.9177 50 -0.03 46
ZH.T1647.EHZ. 2022-05-19T15:37:21.01 0.6 undecidable manual S 24 43.7229 50 -0.13 46
IV.PII.HHZ. 2022-05-19T15:37:19.62 0.6 undecidable manual P 319 69.6747 50 0.51 40
IV.RIBO.EHZ. 2022-05-19T15:37:18.27 0.6 undecidable manual S 186 33.2445 50 -0.09 47
IV.CRMI.HNN. 2022-05-19T15:37:18.16 0.1 undecidable manual P 352 61.494 50 0.31 85
IV.MAGO.CHN. 2022-05-19T15:37:18.04 0.3 undecidable manual S 275 35.1426 50 -0.82 57
IV.CASP.HHZ. 2022-05-19T15:37:17.31 0.3 undecidable manual P 200 53.8017 50 0.64 59
IV.OSSC.HHZ. 2022-05-19T15:37:17.83 0.6 undecidable manual S 22 33.1446 50 -0.49 43
ZH.T1648.EHN. 2022-05-19T15:37:16.47 0.1 undecidable manual P 18 48.9177 50 0.56 82
IV.ARCI.HHZ. 2022-05-19T15:37:16.87 1.0 undecidable manual P 144 53.8017 50 0.22 22
IV.CSNT.HHZ. 2022-05-19T15:37:16.76 0.3 undecidable manual S 33 29.748 50 -0.66 61
ZH.T1614.EHZ. 2022-05-19T15:37:16.56 0.6 undecidable manual P 12 52.9026 50 0.04 46
ZH.T1647.EHZ. 2022-05-19T15:37:15.23 0.1 undecidable manual P 24 43.7229 50 0.13 92
ZH.T1646.HNZ. 2022-05-19T15:37:15.39 0.1 undecidable manual P 2 45.7209 50 -0.03 93
IV.RIBO.EHZ. 2022-05-19T15:37:14.07 1.0 undecidable manual P 186 33.2445 50 0.58 21
IV.OSSC.HHZ. 2022-05-19T15:37:13.33 0.1 positive manual P 22 33.1446 50 -0.14 93
IV.MAGO.CHN. 2022-05-19T15:37:13.61 0.1 undecidable manual P 275 35.1426 50 -0.17 92
IV.CSNT.HHZ. 2022-05-19T15:37:12.75 0.1 positive manual P 33 29.748 50 -0.21 92
IV.FROS.CHZ. 2022-05-19T15:37:10.64 0.6 undecidable manual S 128 6.6933 147 -0.47 45
IV.FROS.CHZ. 2022-05-19T15:37:09.33 0.1 negative manual P 128 6.6933 147 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHN. ML:2.2 0.00227 0.14 AML other m 2022-05-19T15:37:10.85
IV.FROS.CHE. ML:2.2 0.0024 0.24 AML other m 2022-05-19T15:37:10.82
IV.CSNT.HHN. ML:0.0 0.00010435 0.16 AML other m 2022-05-19T15:37:16.89
IV.CSNT.HHE. ML:0.0 0.00009953452 0.1792 AML other m 2022-05-19T15:37:17.24
IV.OSSC.HHE. ML:1.2 0.00007169916 0.1536 AML other m 2022-05-19T15:37:17.88
IV.OSSC.HHN. ML:1.2 0.00006925 0.48 AML other m 2022-05-19T15:37:18.18
IV.RIBO.EHN.01 ML:0.0 0.0004305 0.16 AML other m 2022-05-19T15:37:18.44
IV.RIBO.EHE.01 ML:0.0 0.00038 0.22 AML other m 2022-05-19T15:37:18.44
IV.CASP.HHN. ML:1.8 0.0001416369 0.1024 AML other m 2022-05-19T15:37:23.92
IV.PII.HHE. ML:1.3 0.00003639117 0.32 AML other m 2022-05-19T15:37:29.67
IV.PII.HHN. ML:1.2 0.000032331185 0.2688 AML other m 2022-05-19T15:37:29.63
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