Earthquake with magnitude of Md 3.0 on date 13-08-2001 and time 23:01:16 (Italy) in region 4 km NW Chiusdino (SI)

A magnitude Md 3.0 earthquake occured in region: 4 km NW Chiusdino (SI), on

  • 13-08-2001 21:01:16 (UTC)
  • 13-08-2001 23:01:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.18, 11.05 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
Chiusdino SI 4 1903 1903
Montieri GR 6 1204 3107
Radicondoli SI 10 914 4021
Monticiano SI 11 1571 5592
Castelnuovo di Val di Cecina PI 12 2231 7823
Monterotondo Marittimo GR 16 1371 9194
Casole d'Elsa SI 18 3897 13091
Sovicille SI 19 10116 23207
Massa Marittima GR 19 8375 31582
Pomarance PI 20 5897 37479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Siena (53903 inhabitants)
47 Km N of Grosseto (82087 inhabitants)
66 Km S of Scandicci (50609 inhabitants)
68 Km S of Firenze (382808 inhabitants)
73 Km SE of Livorno (159219 inhabitants)
75 Km W of Arezzo (99543 inhabitants)
78 Km S of Prato (191150 inhabitants)
80 Km SE of Pisa (89158 inhabitants)
85 Km S of Pistoia (90315 inhabitants)
86 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
Md 3.0
ML-VAX 1.9
2001-08-13
21:01:16
43.18 11.05 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 426029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-08-13 21:01:16 ± 0.156
Latitude 43.18 ± 0.01
Longitude 11.05 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 426029

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) 1807.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00049
Epicentral distance of station farthest from the epicenter (degree) 0.03262
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 426029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:41:54

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 14
Type of magnitude ML
Reference to an origin 426029
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
--.FVI.Z. 2001-08-13T21:02:12.53 10.0 undecidable manual PN 19 0.0326 -0.28 0.7
--.RVI2.Z. 2001-08-13T21:02:00.37 10.0 undecidable manual PN 124 0.0241 0.45 0.7
--.SDI.Z. 2001-08-13T21:01:57.60 10.0 undecidable manual PN 124 0.0226 0.14 1
--.PTQR.Z. 2001-08-13T21:01:51.61 10.0 undecidable manual PN 122 0.0187 0.05 1.1
--.BOB.Z. 2001-08-13T21:01:50.72 10.0 undecidable manual PN 324 0.0176 0.77 0.5
--.AQU.Z. 2001-08-13T21:01:50.61 10.0 undecidable manual PN 114 0.0172 1.35 0.1
--.SFI.Z. 2001-08-13T21:01:49.66 10.0 undecidable manual SG 38 0.0083 0.8 0.2
--.BDI.Z. 2001-08-13T21:01:48.84 10.0 undecidable manual SG 339 0.0084 -0.48 0.4
--.PGD.Z. 2001-08-13T21:01:47.13 10.0 undecidable manual SG 34 0.0076 0.77 0.2
--.CRE.Z. 2001-08-13T21:01:43.51 10.0 undecidable manual SG 55 0.007 -0.9 0.2
--.NRCA.Z. 2001-08-13T21:01:43.89 10.0 undecidable manual PN 102 0.0138 -0.35 1.1
--.ARV.Z. 2001-08-13T21:01:41.93 10.0 undecidable manual PN 76 0.0127 -0.49 1
--.ERBM.Z. 2001-08-13T21:01:41.60 10.0 undecidable manual PN 339 0.0119 0.42 1.1
--.MNS.Z. 2001-08-13T21:01:41.42 10.0 undecidable manual PN 122 0.0129 -1.29 0.1
--.RSM.Z. 2001-08-13T21:01:40.40 10.0 undecidable manual PN 52 0.0113 -0.31 1.3
--.ZCCA.Z. 2001-08-13T21:01:39.89 10.0 undecidable manual PN 357 0.0105 0.74 0.7
--.GSCL.Z. 2001-08-13T21:01:39.99 10.0 undecidable manual PN 344 0.0109 0.24 1.4
--.ASS.Z. 2001-08-13T21:01:38.14 10.0 undecidable manual PN 94 0.0105 -1 0.3
--.PII.Z. 2001-08-13T21:01:38.88 10.0 undecidable manual SG 325 0.0059 -1.48 0
--.SFI.Z. 2001-08-13T21:01:35.00 10.0 positive manual PG 38 0.0083 -0.04 3
--.BDI.Z. 2001-08-13T21:01:34.82 10.0 undecidable manual PG 339 0.0084 -0.49 1
--.PGD.Z. 2001-08-13T21:01:33.84 10.0 positive manual PG 34 0.0076 0.24 2.8
--.CRE.Z. 2001-08-13T21:01:32.60 10.0 undecidable manual PG 55 0.007 0.13 1.5
--.PII.Z. 2001-08-13T21:01:29.56 10.0 undecidable manual PG 325 0.0059 -0.58 0.9
--.CSNT.Z. 2001-08-13T21:01:29.19 10.0 undecidable manual SG 30 0.0031 -0.33 0.5
--.CSNT.Z. 2001-08-13T21:01:24.13 10.0 positive manual PG 30 0.0031 0.26 2.7
--.GRFL.Z. 2001-08-13T21:01:19.80 10.0 undecidable manual SG 240 0.0005 -0.03 0.6
--.GRFL.Z. 2001-08-13T21:01:18.10 10.0 negative manual PG 240 0.0005 0.14 2.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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