Earthquake with magnitude of Md 3.7 on date 09-11-2001 and time 04:20:18 (UTC) in region 3 km S Radicondoli (SI)

A magnitude Md 3.7 earthquake occured in region: 3 km S Radicondoli (SI), on

  • 09-11-2001 04:20:18 (UTC)
  • 09-11-2001 05:20:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.23, 11.04 at 5 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
Radicondoli SI 3 914 914
Chiusdino SI 10 1903 2817
Castelnuovo di Val di Cecina PI 11 2231 5048
Montieri GR 12 1204 6252
Casole d'Elsa SI 12 3897 10149
Pomarance PI 15 5897 16046
Monticiano SI 16 1571 17617
Sovicille SI 16 10116 27733
Monterotondo Marittimo GR 18 1371 29104

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Siena (53903 inhabitants)
53 Km N of Grosseto (82087 inhabitants)
60 Km S of Scandicci (50609 inhabitants)
62 Km S of Firenze (382808 inhabitants)
69 Km SE of Livorno (159219 inhabitants)
72 Km S of Prato (191150 inhabitants)
73 Km W of Arezzo (99543 inhabitants)
74 Km SE of Pisa (89158 inhabitants)
79 Km S of Pistoia (90315 inhabitants)
81 Km SE of Lucca (89046 inhabitants)
95 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
Rev 1000 Md 3.7
ML-VAX 2.8
2001-11-09
04:20:18
43.23 11.04 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 430709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-11-09 04:20:18 ± 0.124
Latitude 43.23 ± 0.01
Longitude 11.04 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 430709

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1431.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.03675
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

Md:3.7

Field Value
Value 3.7
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 430709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:46:35

ML:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 15
Type of magnitude ML
Reference to an origin 430709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CGL.Z. 2001-11-09T04:21:21.24 10.0 undecidable manual PN 199 0.0367 -0.22 0.9
--.PTCC.Z. 2001-11-09T04:21:14.43 10.0 undecidable manual PN 26 0.0321 0.04 1
--.FVI.Z. 2001-11-09T04:21:14.78 10.0 undecidable manual PN 19 0.0321 0.28 0.9
--.GMNA.Z. 2001-11-09T04:21:12.60 10.0 undecidable manual PN 25 0.0304 0.68 0.6
--.BRMO.Z. 2001-11-09T04:21:10.73 10.0 undecidable manual PN 351 0.0295 0.4 0.9
--.VAI.Z. 2001-11-09T04:21:08.65 10.0 undecidable manual PN 329 0.0278 0.89 0.4
--.DOI.Z. 2001-11-09T04:21:06.66 10.0 undecidable manual PN 296 0.027 -0.08 1.1
--.RVI2.Z. 2001-11-09T04:21:04.67 10.0 undecidable manual PN 125 0.0245 1.83 0
--.CTI.Z. 2001-11-09T04:21:04.51 10.0 undecidable manual PN 8 0.0256 0.06 1.2
--.SDI.Z. 2001-11-09T04:21:00.69 10.0 undecidable manual PN 125 0.0229 0.3 1.1
--.SAL.Z. 2001-11-09T04:20:59.30 10.0 undecidable manual PN 351 0.0215 0.96 0.4
--.ZCCA.Z. 2001-11-09T04:20:57.79 10.0 undecidable manual SN 357 0.01 0.81 0.3
--.GSCL.Z. 2001-11-09T04:20:57.84 10.0 undecidable manual SN 343 0.0104 -0.18 0.6
--.PTQR.Z. 2001-11-09T04:20:55.19 10.0 undecidable manual PN 124 0.019 0.72 0.7
--.AQU.Z. 2001-11-09T04:20:52.27 10.0 undecidable manual PN 116 0.0175 0.19 1.4
--.BOB.Z. 2001-11-09T04:20:52.51 10.0 undecidable manual PN 323 0.0172 0.88 0.5
--.RDP.Z. 2001-11-09T04:20:51.26 10.0 undecidable manual PN 139 0.0173 -0.56 1
--.SFI.Z. 2001-11-09T04:20:50.20 10.0 undecidable manual SG 40 0.008 0.2 0.6
--.BDI.Z. 2001-11-09T04:20:49.50 10.0 undecidable manual SG 339 0.0079 -0.39 0.5
--.PGD.Z. 2001-11-09T04:20:47.76 10.0 undecidable manual SG 37 0.0073 0.34 0.6
--.NRCA.Z. 2001-11-09T04:20:46.94 10.0 undecidable manual PN 104 0.0141 0.02 1.6
--.CRE.Z. 2001-11-09T04:20:45.22 10.0 undecidable manual SG 59 0.0069 -0.82 0.3
--.SNTG.Z. 2001-11-09T04:20:44.21 10.0 undecidable manual PN 88 0.0125 -0.2 1.5
--.ARV.Z. 2001-11-09T04:20:44.92 10.0 undecidable manual PN 78 0.0126 0.17 1.5
--.MNS.Z. 2001-11-09T04:20:44.56 10.0 undecidable manual PN 124 0.0132 -1.06 0.4
--.ERBM.Z. 2001-11-09T04:20:43.32 10.0 undecidable manual PN 339 0.0113 0.54 1.1
--.FSSB.Z. 2001-11-09T04:20:43.58 10.0 undecidable manual PN 69 0.0121 -0.24 1.5
--.RSM.Z. 2001-11-09T04:20:43.46 10.0 undecidable manual PN 55 0.0111 1.09 0.4
--.ZCCA.Z. 2001-11-09T04:20:41.41 10.0 undecidable manual PN 357 0.01 0.67 0.9
--.ASS.Z. 2001-11-09T04:20:41.86 10.0 undecidable manual PN 97 0.0107 0.13 1.6
--.GSCL.Z. 2001-11-09T04:20:40.83 10.0 undecidable manual PN 343 0.0104 -0.51 1.1
--.PII.Z. 2001-11-09T04:20:40.15 10.0 undecidable manual SG 322 0.0055 -0.94 0.2
--.SFI.Z. 2001-11-09T04:20:36.90 10.0 undecidable manual PG 40 0.008 -0.62 1
--.BDI.Z. 2001-11-09T04:20:36.80 10.0 undecidable manual PG 339 0.0079 -0.57 1.1
--.PGD.Z. 2001-11-09T04:20:34.98 10.0 positive manual PG 37 0.0073 -0.24 3
--.CRE.Z. 2001-11-09T04:20:33.62 10.0 positive manual PG 59 0.0069 -0.8 1.4
--.PII.Z. 2001-11-09T04:20:30.95 10.0 positive manual PG 322 0.0055 -0.62 2
--.CSNT.Z. 2001-11-09T04:20:29.30 10.0 undecidable manual SG 37 0.0027 -0.98 0.2
--.CSNT.Z. 2001-11-09T04:20:25.10 10.0 positive manual PG 37 0.0027 -0.22 3
--.GRFL.Z. 2001-11-09T04:20:22.13 10.0 undecidable manual SG 207 0.0008 -0.57 0.4
--.GRFL.Z. 2001-11-09T04:20:20.45 10.0 positive manual PG 207 0.0008 -0.5 2.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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