Earthquake with magnitude of ML 2.2 on date 09-02-2023 and time 14:58:24 (UTC) in region 3 km E Siena (SI)

A magnitude ML 2.2 earthquake occured in region: 3 km E Siena (SI), on

  • 09-02-2023 14:58:24 (UTC)
  • 09-02-2023 15:58:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3140, 11.3750 at 6 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Siena SI 3 53903 53903
Monteroni d'Arbia SI 10 9088 62991
Castelnuovo Berardenga SI 11 9097 72088
Sovicille SI 12 10116 82204
Monteriggioni SI 15 9810 92014
Murlo SI 16 2389 94403
Asciano SI 17 7118 101521
Gaiole in Chianti SI 18 2758 104279
Rapolano Terme SI 19 5249 109528
Castellina in Chianti SI 19 2859 112387
Radda in Chianti SI 19 1613 114000

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km E of Siena (53903 inhabitants)
45 Km W of Arezzo (99543 inhabitants)
52 Km S of Firenze (382808 inhabitants)
52 Km SE of Scandicci (50609 inhabitants)
65 Km NE of Grosseto (82087 inhabitants)
67 Km SE of Prato (191150 inhabitants)
78 Km SE of Pistoia (90315 inhabitants)
85 Km W of Perugia (166134 inhabitants)
90 Km E of Livorno (159219 inhabitants)
90 Km E of Pisa (89158 inhabitants)
92 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 2.2 2023-02-09
14:58:24
43.314 11.3748 6 2024-03-01
17:18:00
Bollettino Sismico Italiano INGV 115635311
Reviewed
Rev100
ML 2.2 2023-02-09
14:58:24
43.3217 11.3825 4 2023-02-09
15:07:48
Sala Sismica INGV-Roma 114298981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-09 14:58:24 ± 0.07
Latitude 43.3140 ± 0.0027
Longitude 11.3748 ± 0.0062
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115635311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 427
Semi-minor axis of confidence ellipse (meter) 360
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.17087
Epicentral distance of station farthest from the epicenter (degree) 1.02253
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 115635311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-10-20 16:05:07

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 114298981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-09 15:07:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2023-02-09T14:58:50.50 0.3 undecidable manual S 359 82.1511 50 0.08 66
IV.MOCL.EHE. 2023-02-09T14:58:48.60 0.6 undecidable manual S 349 78.1662 50 -0.78 36
IV.VMGN.HHE. 2023-02-09T14:58:48.10 0.6 undecidable manual S 10 72.1722 50 0.33 43
IV.MPPT.EHE. 2023-02-09T14:58:48.00 0.6 undecidable manual S 342 74.9694 50 -0.51 41
IV.ATMC.EHN. 2023-02-09T14:58:47.00 0.3 undecidable manual S 77 67.5768 50 0.46 63
IV.SSP9.EHE. 2023-02-09T14:58:46.60 0.3 undecidable manual S 64 67.377 50 0.11 68
IV.BOSL.HHZ. 2023-02-09T14:58:46.10 0.3 undecidable manual S 360 68.4759 50 -0.67 58
IV.CELB.HHZ. 2023-02-09T14:58:45.52 0.6 undecidable manual P 237 113.4975 50 1.04 30
IV.CRE.HHZ. 2023-02-09T14:58:44.00 0.6 undecidable manual S 54 57.498 50 0.16 45
IV.RUFI.EHZ. 2023-02-09T14:58:43.50 0.6 undecidable manual S 11 59.0964 50 -0.79 38
IV.BDI.HHZ. 2023-02-09T14:58:43.55 0.6 undecidable manual P 323 103.9182 50 0.54 38
GU.MAIM.HHZ. 2023-02-09T14:58:42.17 0.6 undecidable manual P 313 97.2249 50 0.2 42
GU.POPM.HHZ. 2023-02-09T14:58:41.98 0.3 undecidable manual P 329 95.0382 50 0.34 61
IV.LMD.HHZ. 2023-02-09T14:58:40.81 1.0 undecidable manual P 17 88.7445 50 0.13 22
IV.CAFI.HHZ. 2023-02-09T14:58:40.40 0.3 undecidable manual S 88 47.7189 50 -0.85 56
IV.PARC.HHZ. 2023-02-09T14:58:39.37 0.3 undecidable manual P 62 78.8655 50 0.23 65
IV.SEI.HHZ. 2023-02-09T14:58:39.78 0.3 undecidable manual P 359 82.1511 50 0.13 65
IV.MOCL.EHE. 2023-02-09T14:58:39.23 0.6 undecidable manual P 349 78.1662 50 0.19 43
IV.BADI.EHZ. 2023-02-09T14:58:39.48 0.6 undecidable manual P 72 73.371 50 1.18 30
IV.TRIF.CHZ. 2023-02-09T14:58:39.50 0.3 undecidable manual S 240 44.1225 50 -0.78 58
IV.PII.HHZ. 2023-02-09T14:58:39.92 0.3 undecidable manual P 304 81.9513 50 0.29 63
IV.MPPT.EHE. 2023-02-09T14:58:38.84 0.1 undecidable manual P 342 74.9694 50 0.3 86
IV.VMGN.HHE. 2023-02-09T14:58:38.32 0.3 undecidable manual P 10 72.1722 50 0.2 66
IV.ATVA.EHE. 2023-02-09T14:58:38.27 0.3 undecidable manual P 93 73.5708 50 -0.07 67
IV.ATMC.EHN. 2023-02-09T14:58:37.81 0.3 undecidable manual P 77 67.5768 50 0.4 64
IV.MALA4.EHE. 2023-02-09T14:58:37.00 0.3 undecidable manual S 166 35.2425 100 -0.33 69
IV.MGAB.HHZ. 2023-02-09T14:58:37.92 1.0 undecidable manual P 126 74.4699 50 -0.55 20
IV.SSP9.EHE. 2023-02-09T14:58:37.67 0.6 undecidable manual P 64 67.377 50 0.29 43
IV.MALA1.EHE. 2023-02-09T14:58:37.10 0.3 undecidable manual S 166 35.3424 100 -0.28 69
IV.MALA2.EHE. 2023-02-09T14:58:37.10 0.3 undecidable manual S 166 35.4423 100 -0.3 69
IV.MALA0.EHE. 2023-02-09T14:58:37.00 0.6 undecidable manual S 167 35.1426 100 -0.29 46
IV.BOSL.HHZ. 2023-02-09T14:58:37.34 0.1 undecidable manual P 360 68.4759 50 -0.2 88
IV.CRE.HHZ. 2023-02-09T14:58:36.42 0.3 undecidable manual P 54 57.498 50 0.57 62
IV.MALA5.EHE. 2023-02-09T14:58:36.90 0.3 undecidable manual S 166 35.0427 100 -0.38 68
IV.MCIV.CHE. 2023-02-09T14:58:36.99 0.1 undecidable manual P 158 64.1913 50 0.1 91
IV.CRMI.HNZ. 2023-02-09T14:58:36.38 0.6 undecidable manual P 329 62.1933 50 -0.19 45
IV.RUFI.EHZ. 2023-02-09T14:58:35.93 0.1 undecidable manual P 11 59.0964 50 -0.17 90
IV.CAFI.HHZ. 2023-02-09T14:58:34.27 0.3 undecidable manual P 88 47.7189 50 -0.08 70
IV.ARCI.HHZ. 2023-02-09T14:58:34.98 0.3 undecidable manual P 171 51.9036 50 -0.01 71
IV.OSSC.HHZ. 2023-02-09T14:58:33.60 0.3 undecidable manual S 336 25.4523 103 -0.41 68
IV.TRIF.CHZ. 2023-02-09T14:58:33.61 0.3 undecidable manual P 240 44.1225 50 -0.18 70
IV.FROS.CHZ. 2023-02-09T14:58:33.00 0.3 undecidable manual S 237 21.0678 106 0.45 68
IV.MALA4.EHE. 2023-02-09T14:58:32.15 0.1 undecidable manual P 166 35.2425 100 0.06 97
IV.MALA1.EHE. 2023-02-09T14:58:32.19 0.1 undecidable manual P 166 35.3424 100 0.07 96
IV.MALA5.EHE. 2023-02-09T14:58:32.14 0.3 undecidable manual P 166 35.0427 100 0.08 72
IV.MALA2.EHE. 2023-02-09T14:58:32.11 0.3 undecidable manual P 166 35.4423 100 -0.02 73
IV.MALA0.EHE. 2023-02-09T14:58:32.10 0.1 undecidable manual P 167 35.1426 100 0.03 97
IV.CSNT.HHZ. 2023-02-09T14:58:31.60 0.1 undecidable manual S 339 18.9699 108 -0.22 96
IV.OSSC.HHZ. 2023-02-09T14:58:30.00 0.1 positive manual P 336 25.4523 103 -0.17 96
IV.FROS.CHZ. 2023-02-09T14:58:29.90 0.1 positive manual P 237 21.0678 106 0.57 88
IV.CSNT.HHZ. 2023-02-09T14:58:28.88 0.1 positive manual P 339 18.9699 108 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSNT.HHE. ML:2.8 0.00498 0.1 AML other m 2023-02-09T14:58:31.74
IV.CSNT.HHN. ML:2.7 0.004439235 0.128 AML other m 2023-02-09T14:58:31.68
IV.FROS.CHE. ML:2.8 0.005359999999999999 0.16 AML other m 2023-02-09T14:58:33.26
IV.FROS.CHN. ML:2.8 0.0049382415 0.1536 AML other m 2023-02-09T14:58:33.79
IV.OSSC.HHE. ML:2.6 0.002233162 0.1408 AML other m 2023-02-09T14:58:33.89
IV.OSSC.HHN. ML:2.5 0.001900127 0.2432 AML other m 2023-02-09T14:58:34.55
IV.TRIF.CHN. ML:2.4 0.000758 1.8 AML other m 2023-02-09T14:58:40.02
IV.TRIF.CHE. ML:2.4 0.0007475335 0.192 AML other m 2023-02-09T14:58:41.02
IV.CAFI.HNN. ML:1.8 0.000161928005 0.2048 AML other m 2023-02-09T14:58:41.39
IV.CAFI.HHN. ML:1.8 0.0001687618 0.2176 AML other m 2023-02-09T14:58:41.39
IV.CAFI.HHE. ML:2.0 0.000299 0.3 AML other m 2023-02-09T14:58:43.73
IV.CAFI.HNE. ML:2.0 0.00028500000000000004 0.3 AML other m 2023-02-09T14:58:43.73
IV.ARCI.HHE. ML:2.2 0.00036886485 0.2304 AML other m 2023-02-09T14:58:43.66
IV.ARCI.HNE. ML:2.2 0.00037364975 0.2176 AML other m 2023-02-09T14:58:43.78
IV.ARCI.HNN. ML:2.2 0.00040222615 0.3584 AML other m 2023-02-09T14:58:43.73
IV.ARCI.HHN. ML:2.2 0.0004058451 0.3456 AML other m 2023-02-09T14:58:43.73
IV.RUFI.EHE. ML:2.1 0.000248 0.28 AML other m 2023-02-09T14:58:44.34
IV.CRE.HHE. ML:2.4 0.000535 0.5 AML other m 2023-02-09T14:58:44.40
IV.BOSL.HHN. ML:2.0 0.00016694455 0.1792 AML other m 2023-02-09T14:58:46.75
IV.BOSL.HHE. ML:2.1 0.0002035 0.22 AML other m 2023-02-09T14:58:46.82
IV.CRE.HHN. ML:2.4 0.000546 1.68 AML other m 2023-02-09T14:58:46.11
IV.RUFI.EHN. ML:2.0 0.0001965 0.36 AML other m 2023-02-09T14:58:48.06
IV.SACS.HHN. ML:1.8 0.00012597189999999999 1.8208 AML other m 2023-02-09T14:58:50.01
IV.MGAB.HHN. ML:2.2 0.00021250000000000002 0.98 AML other m 2023-02-09T14:58:51.31
IV.SEI.HHN. ML:2.7 0.000736 0.24 AML other m 2023-02-09T14:58:51.33
IV.SEI.HHE. ML:2.6 0.000489 0.22 AML other m 2023-02-09T14:58:51.72
IV.MGAB.HNE. ML:1.9 0.00013354549999999998 0.1792 AML other m 2023-02-09T14:58:52.32
IV.MGAB.HHE. ML:2.0 0.00015766564999999998 0.384 AML other m 2023-02-09T14:58:53.16
IV.MGAB.HNN. ML:2.2 0.00022122885 0.4352 AML other m 2023-02-09T14:58:54.09
IV.PARC.HHE. ML:2.0 0.00013164288000000002 0.5248 AML other m 2023-02-09T14:58:55.53
IV.LMD.HHE. ML:2.0 0.00010899999999999999 0.56 AML other m 2023-02-09T14:58:56.15
IV.PARC.HHN. ML:2.0 0.000156 0.44 AML other m 2023-02-09T14:58:56.46
IV.LMD.HHN. ML:2.0 0.0001235 1.1 AML other m 2023-02-09T14:58:58.66
IV.BDI.HHN. ML:1.9 0.0000741 0.88 AML other m 2023-02-09T14:58:59.46
IV.BDI.HHE. ML:1.9 0.00008044999999999999 0.42 AML other m 2023-02-09T14:59:00.37
IV.CELB.HHN. ML:2.0 0.00008132785 0.3456 AML other m 2023-02-09T14:59:02.75
IV.CELB.HHE. ML:2.0 0.000087582975 0.704 AML other m 2023-02-09T14:59:04.08
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
Waveforms Seismic signals in miniseed + resp format Download