Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 04-08-2022 and time 05:45:43 (Italy) in region 7 km W Castelnuovo Berardenga (SI)

A magnitude ML 1.4 earthquake occured in region: 7 km W Castelnuovo Berardenga (SI), on

  • 04-08-2022 03:45:43 (UTC)
  • 04-08-2022 05:45:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3280, 11.4250 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
Castelnuovo Berardenga SI 7 9097 9097
Siena SI 8 53903 63000
Monteroni d'Arbia SI 11 9088 72088
Asciano SI 15 7118 79206
Rapolano Terme SI 15 5249 84455
Gaiole in Chianti SI 16 2758 87213
Sovicille SI 17 10116 97329
Murlo SI 18 2389 99718
Monteriggioni SI 18 9810 109528
Radda in Chianti SI 18 1613 111141
Castellina in Chianti SI 19 2859 114000

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of Siena (53903 inhabitants)
40 Km W of Arezzo (99543 inhabitants)
51 Km S of Firenze (382808 inhabitants)
52 Km SE of Scandicci (50609 inhabitants)
67 Km SE of Prato (191150 inhabitants)
68 Km NE of Grosseto (82087 inhabitants)
79 Km SE of Pistoia (90315 inhabitants)
82 Km W of Perugia (166134 inhabitants)
93 Km E of Pisa (89158 inhabitants)
94 Km E of Livorno (159219 inhabitants)
94 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 2022-08-04
03:45:43		 43.3282 11.4252 8 2023-01-31
19:03:38		 Bollettino Sismico Italiano INGV 109389131
Reviewed
Rev100 		ML 1.5 2022-08-04
03:45:43		 43.3368 11.434 7 2022-08-04
03:54:11		 Sala Sismica INGV-Roma 108087151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-04 03:45:43 ± 0.13
Latitude 43.3282 ± 0.0045
Longitude 11.4252 ± 0.0099
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109389131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 585
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94789
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 109389131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-06 07:54:59

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 108087151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-04 03:54:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VARE.HHZ. 2022-08-04T03:47:14.15 3.0 undecidable manual Sn 3.19 0
GU.MGRO.HHZ. 2022-08-04T03:47:08.11 3.0 undecidable manual Sn 7.97 0
IV.LPEL.HHZ. 2022-08-04T03:47:02.79 3.0 undecidable manual Sg 9.61 0
IV.TERO.HHZ. 2022-08-04T03:46:42.87 3.0 undecidable manual Sg 5.75 0
IV.ARVD.HHZ. 2022-08-04T03:46:21.21 3.0 undecidable manual S -0.3 0
IV.SEI.HHZ. 2022-08-04T03:46:08.58 3.0 undecidable manual S -0.34 0
IV.CRMI.HHZ. 2022-08-04T03:46:02.30 0.3 undecidable manual S 326 62.9925 50 -0.83 56
IV.BDI.HHZ. 2022-08-04T03:46:01.77 0.3 undecidable manual P 321 105.2169 50 0.54 58
IV.RUFI.EHZ. 2022-08-04T03:46:01.20 0.3 undecidable manual S 7 56.9985 50 -0.31 67
IV.CRE.HHZ. 2022-08-04T03:46:00.40 0.3 undecidable manual S 53 53.2023 50 -0.12 70
IV.RIBO.EHZ.01 2022-08-04T03:46:00.50 0.3 undecidable manual S 216 52.0035 50 0.3 68
IV.ARCI.HHZ. 2022-08-04T03:45:59.40 0.3 undecidable manual S 176 53.0025 50 -1.05 51
IV.PII.HHZ. 2022-08-04T03:45:59.25 0.3 undecidable manual P 301 84.5487 50 1.2 45
ZH.T1646.EHZ. 2022-08-04T03:45:58.60 0.3 undecidable manual S 325 44.7219 50 0.36 68
IV.LMD.HHZ. 2022-08-04T03:45:58.73 0.3 undecidable manual P 15 86.1471 50 0.44 62
GU.POPM.HHZ. 2022-08-04T03:45:58.55 0.3 undecidable manual P 326 95.9262 50 -1.25 43
IV.CASP.HHZ. 2022-08-04T03:45:57.45 0.3 undecidable manual P 217 74.9694 50 0.89 53
IV.MOCL.EHZ. 2022-08-04T03:45:57.84 0.3 undecidable manual P 345 77.5668 50 0.87 53
IV.CAFI.HHZ. 2022-08-04T03:45:57.10 0.3 undecidable manual S 90 43.623 50 -0.87 57
IV.PARC.HHZ. 2022-08-04T03:45:57.03 0.3 undecidable manual P 61 74.4699 50 0.53 61
IV.ATVO.HHZ. 2022-08-04T03:45:57.78 0.3 undecidable manual P 85 79.365 50 0.53 61
IV.MGAB.HHZ. 2022-08-04T03:45:56.21 0.3 undecidable manual P 129 72.2721 50 0.06 69
IV.SFI.EHZ. 2022-08-04T03:45:56.68 0.3 undecidable manual P 28 72.372 50 0.51 62
ZH.T1648.EHZ. 2022-08-04T03:45:56.30 0.3 undecidable manual S 343 39.1275 50 -0.46 67
IV.MALA0.EHN. 2022-08-04T03:45:55.63 0.3 undecidable manual S 174 35.9418 50 -0.28 70
IV.SACS.HHZ. 2022-08-04T03:45:55.51 0.3 undecidable manual P 143 66.0894 50 0.31 66
IV.MALA4.EHZ. 2022-08-04T03:45:55.47 0.3 undecidable manual S 173 36.0417 50 -0.46 67
IV.MALA3.EHN. 2022-08-04T03:45:55.60 0.3 undecidable manual S 173 36.1416 50 -0.35 69
IV.ATMI.HHZ. 2022-08-04T03:45:55.24 0.6 undecidable manual P 89 67.9764 50 -0.26 44
IV.CRMI.HHZ. 2022-08-04T03:45:54.93 0.3 undecidable manual P 326 62.9925 50 0.2 68
IV.CRE.HHZ. 2022-08-04T03:45:53.86 0.3 undecidable manual P 53 53.2023 50 0.64 61
IV.RUFI.EHZ. 2022-08-04T03:45:53.92 0.3 undecidable manual P 7 56.9985 50 0.13 70
IV.ARCI.HHZ. 2022-08-04T03:45:53.17 0.1 undecidable manual P 176 53.0025 50 -0.01 96
IV.RIBO.EHZ.01 2022-08-04T03:45:53.45 0.3 undecidable manual P 216 52.0035 50 0.41 66
TV.SF11.HHZ. 2022-08-04T03:45:53.77 0.3 undecidable manual P 158 55.0005 50 0.28 68
ZH.T1646.EHZ. 2022-08-04T03:45:52.32 0.3 undecidable manual P 325 44.7219 50 0.42 67
IV.OSSC.HHZ. 2022-08-04T03:45:52.20 0.1 undecidable manual S 326 26.0517 108 -0.54 89
IV.CAFI.HHZ. 2022-08-04T03:45:51.74 0.3 undecidable manual P 90 43.623 50 -0.01 73
IV.MALA4.EHZ. 2022-08-04T03:45:50.47 0.1 undecidable manual P 173 36.0417 50 -0.1 97
IV.MALA3.EHN. 2022-08-04T03:45:50.50 0.1 undecidable manual P 173 36.1416 50 -0.08 97
IV.MALA2.EHN. 2022-08-04T03:45:50.51 0.1 undecidable manual P 173 36.2415 50 -0.1 97
IV.MALA1.EHN. 2022-08-04T03:45:50.51 0.1 undecidable manual P 173 36.2415 50 -0.09 97
ZH.T1648.EHZ. 2022-08-04T03:45:50.75 0.3 undecidable manual P 343 39.1275 50 -0.3 69
IV.CSNT.HHZ. 2022-08-04T03:45:50.20 0.1 undecidable manual S 326 19.3695 113 -0.38 94
IV.MALA0.EHN. 2022-08-04T03:45:50.48 0.1 positive manual P 174 35.9418 50 -0.08 97
IV.OSSC.HHZ. 2022-08-04T03:45:48.57 0.1 undecidable manual P 326 26.0517 108 -0.16 98
IV.FROS.CHE. 2022-08-04T03:45:48.85 0.3 undecidable manual P 239 25.3524 108 0.24 72
IV.CSNT.HHZ. 2022-08-04T03:45:47.39 0.1 negative manual P 326 19.3695 113 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAFI.HHE. ML:1.4 0.00006875 1.72 AML other m 2022-08-04T03:45:58.02
IV.CAFI.HHN. ML:1.4 0.00007105 0.74 AML other m 2022-08-04T03:45:58.50
ZH.T1648.EHN. ML:1.6 0.00015025 1.18 AML other m 2022-08-04T03:45:59.12
IV.PII.HHN. ML:1.4 0.0000317 0.26 AML other m 2022-08-04T03:46:00.57
IV.CRE.HHE. ML:1.7 0.0001295 0.42 AML other m 2022-08-04T03:46:01.78
IV.CRE.HHN. ML:1.8 0.00016649999999999998 1.06 AML other m 2022-08-04T03:46:02.63
IV.RIBO.EHN.01 ML:1.4 0.0000619 0.62 AML other m 2022-08-04T03:46:02.36
IV.RIBO.EHE.01 ML:1.3 0.00004594 0.8 AML other m 2022-08-04T03:46:02.05
IV.ARCI.HHN. ML:1.5 0.0000838 0.62 AML other m 2022-08-04T03:46:02.49
IV.ARCI.HHE. ML:1.5 0.00008345 0.16 AML other m 2022-08-04T03:46:02.59
IV.CRMI.HHN. ML:1.3 0.0000376 1.24 AML other m 2022-08-04T03:46:03.04
ZH.T1648.EHE. ML:1.6 0.00015 0.54 AML other m 2022-08-04T03:46:03.45
IV.CRMI.HHE. ML:1.0 0.000020799999999999997 0.88 AML other m 2022-08-04T03:46:05.21
IV.SACS.HHE. ML:1.2 0.0000312 0.42 AML other m 2022-08-04T03:46:06.84
IV.PARC.HHN. ML:1.5 0.000044200000000000004 0.24 AML other m 2022-08-04T03:46:07.48
IV.PARC.HHE. ML:1.4 0.000034200000000000005 0.36 AML other m 2022-08-04T03:46:07.55
IV.SACS.HHN. ML:1.4 0.00004555 0.42 AML other m 2022-08-04T03:46:07.67
IV.MOCL.EHE. ML:1.6 0.000057 1.34 AML other m 2022-08-04T03:46:08.12
IV.CASP.HHE. ML:1.2 0.00002615 0.76 AML other m 2022-08-04T03:46:08.99
IV.CASP.HHN. ML:1.2 0.00002425 0.64 AML other m 2022-08-04T03:46:09.15
IV.MGAB.HHN. ML:1.5 0.00005115 0.22 AML other m 2022-08-04T03:46:09.48
IV.MGAB.HHE. ML:1.3 0.000028049999999999997 1.22 AML other m 2022-08-04T03:46:09.74
IV.MOCL.EHN. ML:1.6 0.0000625 0.82 AML other m 2022-08-04T03:46:10.20
IV.SFI.EHE. ML:1.3 0.0000348 0.44 AML other m 2022-08-04T03:46:10.63
IV.ATVO.HHE. ML:1.3 0.00002755 0.64 AML other m 2022-08-04T03:46:10.96
IV.ATMI.HHN. ML:1.7 0.00009445 1.34 AML other m 2022-08-04T03:46:10.83
IV.ATVO.HHN. ML:1.4 0.0000349 1.64 AML other m 2022-08-04T03:46:12.97
IV.ATMI.HHE. ML:1.8 0.0001066 0.4 AML other m 2022-08-04T03:46:12.68
IV.LMD.HHE. ML:1.2 0.000021699999999999996 0.46 AML other m 2022-08-04T03:46:13.02
IV.SFI.EHN. ML:1.1 0.00001775 0.82 AML other m 2022-08-04T03:46:13.34
IV.PII.HHE. ML:1.4 0.00003465 0.62 AML other m 2022-08-04T03:46:13.86
GU.POPM.HHN. ML:1.4 0.000028450000000000004 1.56 AML other m 2022-08-04T03:46:15.96
IV.LMD.HHN. ML:1.2 0.00002135 1.66 AML other m 2022-08-04T03:46:16.11
GU.POPM.HHE. ML:1.3 0.000019200000000000003 0.28 AML other m 2022-08-04T03:46:16.48
IV.BDI.HHN. ML:1.3 0.0000196 1.14 AML other m 2022-08-04T03:46:18.59
IV.BDI.HHE. ML:1.2 0.000017100000000000002 0.26 AML other m 2022-08-04T03:46:19.14
IV.ARVD.HHE. ML:1.3 0.00001485 0.06 AML other m 2022-08-04T03:46:23.75
IV.ARVD.HHN. ML:1.3 0.0000145 0.32 AML other m 2022-08-04T03:46:31.28
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