Earthquake with magnitude of ML 1.5 on date 26-06-2012 and time 23:06:01 (Italy) in region 6 km SW Castelnuovo Berardenga (SI)

A magnitude ML 1.5 earthquake occured in region: 6 km SW Castelnuovo Berardenga (SI), on

  • 26-06-2012 21:06:01 (UTC)
  • 26-06-2012 23:06:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2960, 11.4740 at 7 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
Castelnuovo Berardenga SI 6 9097 9097
Monteroni d'Arbia SI 8 9088 18185
Asciano SI 10 7118 25303
Rapolano Terme SI 11 5249 30552
Siena SI 12 53903 84455
Murlo SI 16 2389 86844
Buonconvento SI 18 3173 90017
San Giovanni d'Asso SI 19 853 90870
Gaiole in Chianti SI 20 2758 93628
Trequanda SI 20 1254 94882
Sovicille SI 20 10116 104998

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km E of Siena (53903 inhabitants)
38 Km SW of Arezzo (99543 inhabitants)
56 Km SE of Firenze (382808 inhabitants)
57 Km SE of Scandicci (50609 inhabitants)
66 Km NE of Grosseto (82087 inhabitants)
72 Km SE of Prato (191150 inhabitants)
77 Km W of Perugia (166134 inhabitants)
84 Km SE of Pistoia (90315 inhabitants)
98 Km E of Livorno (159219 inhabitants)
98 Km E of Pisa (89158 inhabitants)
99 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
Reviewed
Rev100
ML 1.5 2012-06-26
21:06:01
43.3238 11.4425 11 2014-10-21
12:08:56
Sala Sismica INGV-Roma 1724161
Bulletin
Rev1000
ML 1.5 2012-06-26
21:06:01
43.2963 11.4743 7 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 3060331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-06-26 21:06:01 ± 0.13
Latitude 43.2963 ± 0.0099
Longitude 11.4743 ± 0.0086
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3060331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1220
Semi-minor axis of confidence ellipse (meter) 47
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.24731
Epicentral distance of station farthest from the epicenter (degree) 0.67359
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 3060331
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:45:16

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 1724161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-06-26 21:13:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2012-06-26T21:06:24.37 0.3 undecidable manual S 57 72.8715 50 0.36 64
IV.CASP.HHZ. 2012-06-26T21:06:24.63 0.6 undecidable manual S 222 74.7696 50 0.14 45
IV.CRE.HHZ. 2012-06-26T21:06:18.24 0.3 undecidable manual S 47 52.503 50 -0.32 68
IV.ARCI.HHZ. 2012-06-26T21:06:17.36 0.6 undecidable manual S 180 49.3173 50 -0.35 45
IV.TRIF.HHZ. 2012-06-26T21:06:17.28 0.3 undecidable manual S 247 50.4162 50 -0.73 60
IV.CASP.HHZ. 2012-06-26T21:06:15.09 0.1 undecidable manual P 222 74.7696 50 0.49 83
IV.CAFI.HHZ. 2012-06-26T21:06:14.69 0.3 undecidable manual S 85 39.9267 99 -0.44 67
IV.PARC.HHZ. 2012-06-26T21:06:14.38 0.1 undecidable manual P 57 72.8715 50 0.06 92
IV.CRE.HHZ. 2012-06-26T21:06:11.14 0.1 undecidable manual P 47 52.503 50 -0.05 95
IV.TRIF.HHZ. 2012-06-26T21:06:11.15 0.3 undecidable manual P 247 50.4162 50 0.29 68
IV.ARCI.HHZ. 2012-06-26T21:06:10.79 0.1 undecidable manual P 180 49.3173 50 0.1 95
IV.FROS.HHZ. 2012-06-26T21:06:10.73 0.3 undecidable manual S 250 27.4503 104 -0.17 73
IV.CAFI.HHZ. 2012-06-26T21:06:09.37 0.1 undecidable manual P 85 39.9267 99 0.17 95
IV.FROS.HHZ. 2012-06-26T21:06:06.79 0.1 undecidable manual P 250 27.4503 104 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAFI.HHE. ML:1.4 0.0000902 0.3 AML other m 2012-06-26T21:06:15.21
IV.CAFI.HHN. ML:1.5 0.0001036 0.78 AML other m 2012-06-26T21:06:15.69
IV.CASP.HHN. ML:1.5 0.00004505 0.6 AML other m 2012-06-26T21:06:27.13
IV.CASP.HHE. ML:1.3 0.00003135 0.8 AML other m 2012-06-26T21:06:27.13
IV.CRE.HHN. ML:1.5 0.00007275 0.76 AML other m 2012-06-26T21:06:19.78
IV.CRE.HHE. ML:1.3 0.000050549999999999995 1.48 AML other m 2012-06-26T21:06:21.52
IV.FROS.HHN. ML:1.8 0.00032900000000000003 0.2 AML other m 2012-06-26T21:06:11.97
IV.FROS.HHE. ML:1.8 0.000354 0.18 AML other m 2012-06-26T21:06:12.69
IV.PARC.HHE. ML:1.4 0.000037 0.44 AML other m 2012-06-26T21:06:28.06
IV.PARC.HHN. ML:1.4 0.0000405 0.42 AML other m 2012-06-26T21:06:28.78
IV.TRIF.HHN. ML:1.6 0.000113 0.14 AML other m 2012-06-26T21:06:18.92
IV.TRIF.HHE. ML:1.7 0.000131 0.14 AML other m 2012-06-26T21:06:19.10
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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