Earthquake with magnitude of Md 4.0 on date 01-04-2000 and time 20:08:05 (Italy) in region 5 km NW Radicofani (SI)

A magnitude Md 4.0 earthquake occured in region: 5 km NW Radicofani (SI), on

  • 01-04-2000 18:08:05 (UTC)
  • 01-04-2000 20:08:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.94, 11.73 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Radicofani SI 5 1097 1097
Abbadia San Salvatore SI 8 6444 7541
Piancastagnaio SI 10 4230 11771
Castiglione d'Orcia SI 12 2346 14117
Sarteano SI 13 4717 18834
San Casciano dei Bagni SI 14 1632 20466
Cetona SI 14 2755 23221
Seggiano GR 14 961 24182
Chianciano Terme SI 16 7105 31287
Pienza SI 16 2107 33394
Castel del Piano GR 17 4690 38084
Santa Fiora GR 17 2622 40706
San Quirico d'Orcia SI 17 2662 43368
Arcidosso GR 17 4285 47653
Montepulciano SI 18 14097 61750
Castell'Azzara GR 19 1476 63226
Chiusi SI 20 8704 71930

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km SE of Siena (53903 inhabitants)
54 Km E of Grosseto (82087 inhabitants)
57 Km W of Perugia (166134 inhabitants)
60 Km S of Arezzo (99543 inhabitants)
65 Km NW of Viterbo (67173 inhabitants)
79 Km W of Foligno (57155 inhabitants)
86 Km W of Terni (111501 inhabitants)
94 Km N of Civitavecchia (52991 inhabitants)
100 Km SE of Firenze (382808 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 4.0
ML-VAX 3.0
2000-04-01
18:08:05
42.94 11.73 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 385299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2000-04-01 18:08:05 ± 0.579
Latitude 42.94 ± 0.01
Longitude 11.73 ± 0.02
Depth (km) 7 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 385299

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) 2172.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 65
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00526
Epicentral distance of station farthest from the epicenter (degree) 0.05278
Number of stations at which the event was observed 51
Number of stations from which data was used for origin computation 51
Magnitudes information

Md:4

Field Value
Value 4
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 385299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:02:07

ML:3

Field Value
Value 3
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 385299
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
--.PTCC.Z. 2000-04-01T18:09:42.31 10.0 undecidable manual SN 17 0.0328 -0.84 0.3
--.SOI.Z. 2000-04-01T18:09:32.77 10.0 positive manual PN 144 0.0528 0.58 1.5
--.GRI.Z. 2000-04-01T18:09:26.20 10.0 negative manual PN 137 0.0488 0.05 1.9
--.TDS.Z. 2000-04-01T18:09:17.61 10.0 undecidable manual PN 131 0.0428 0.59 0.8
--.ORI.Z. 2000-04-01T18:09:14.36 10.0 undecidable manual PN 127 0.041 0.18 1
--.BRT.Z. 2000-04-01T18:09:11.99 10.0 undecidable manual PN 114 0.0407 -1.75 0.2
--.RFI.Z. 2000-04-01T18:09:10.77 10.0 undecidable manual SN 133 0.021 -1.16 0.3
--.CRVI.Z. 2000-04-01T18:09:09.85 10.0 undecidable manual SN 121 0.0202 -0.12 0.6
--.BNI.Z. 2000-04-01T18:09:08.98 10.0 undecidable manual PN 301 0.0378 -0.32 1
--.MCGN.Z. 2000-04-01T18:09:08.46 10.0 positive manual PN 319 0.0363 1.53 0.6
--.RVI2.Z. 2000-04-01T18:09:06.17 10.0 undecidable manual SN 126 0.0193 -1.14 0.3
--.SL9.Z. 2000-04-01T18:09:04.90 10.0 negative manual PN 129 0.0348 0.17 2.3
--.ORO.Z. 2000-04-01T18:09:03.58 10.0 undecidable manual PN 315 0.0342 -0.17 1.2
--.BR9.Z. 2000-04-01T18:09:03.90 10.0 undecidable manual PN 344 0.0329 1.98 0.1
--.FVI.Z. 2000-04-01T18:09:03.64 10.0 undecidable manual PN 10 0.0335 0.85 0.8
--.PTCC.Z. 2000-04-01T18:09:02.50 10.0 negative manual PN 17 0.0328 0.76 1.7
--.DOI.Z. 2000-04-01T18:09:00.76 10.0 undecidable manual PN 296 0.0324 -0.25 1.2
--.GE9.Z. 2000-04-01T18:09:00.36 10.0 undecidable manual PN 15 0.0313 0.89 0.8
--.MU9.Z. 2000-04-01T18:08:59.83 10.0 undecidable manual PN 126 0.0319 -0.43 1.1
--.FG4.Z. 2000-04-01T18:08:58.63 10.0 undecidable manual PN 120 0.03 1.17 0.6
--.CA9.Z. 2000-04-01T18:08:58.11 10.0 undecidable manual PN 124 0.0308 -0.57 1
--.RGNG.Z. 2000-04-01T18:08:55.97 10.0 positive manual PN 112 0.028 1.58 0.6
--.CI9.Z. 2000-04-01T18:08:55.15 10.0 negative manual PN 128 0.0288 -0.54 2.2
--.FG5.Z. 2000-04-01T18:08:55.63 10.0 positive manual PN 120 0.0278 1.46 0.8
--.CTI.Z. 2000-04-01T18:08:55.12 10.0 undecidable manual PN 358 0.0279 0.84 0.9
--.TRI.Z. 2000-04-01T18:08:55.35 10.0 undecidable manual PN 26 0.0281 0.82 0.9
--.SAL.Z. 2000-04-01T18:08:51.38 10.0 undecidable manual PN 341 0.0252 1.28 0.6
--.PQ9.Z. 2000-04-01T18:08:51.59 10.0 undecidable manual SN 125 0.0138 -1.2 0.3
--.PSB1.Z. 2000-04-01T18:08:50.94 10.0 undecidable manual PN 125 0.0257 0.13 1.4
--.CKI.Z. 2000-04-01T18:08:50.55 10.0 undecidable manual PN 301 0.0261 -0.91 0.9
--.SMB1.Z. 2000-04-01T18:08:49.39 10.0 positive manual PN 123 0.0242 0.75 2.1
--.AQU.Z. 2000-04-01T18:08:49.25 10.0 undecidable manual SN 114 0.0122 0.6 0.5
--.VTB1.Z. 2000-04-01T18:08:49.00 10.0 undecidable manual PN 127 0.0249 -0.71 1.1
--.RDP.Z. 2000-04-01T18:08:48.20 10.0 undecidable manual SN 147 0.0125 -1.08 0.3
--.BOB.Z. 2000-04-01T18:08:46.18 10.0 undecidable manual PN 318 0.0221 0.8 1
--.BAI2.Z. 2000-04-01T18:08:46.62 10.0 undecidable manual PN 122 0.0227 0.29 1.4
--.PII.Z. 2000-04-01T18:08:45.33 10.0 undecidable manual SN 311 0.0105 1.02 0.3
--.RSM.Z. 2000-04-01T18:08:43.29 10.0 undecidable manual SN 27 0.01 0.36 0.6
--.RFI.Z. 2000-04-01T18:08:43.65 10.0 positive manual PN 133 0.021 -0.07 3
--.CRVI.Z. 2000-04-01T18:08:43.64 10.0 undecidable manual PN 121 0.0202 1.06 0.8
--.CPI2.Z. 2000-04-01T18:08:43.81 10.0 undecidable manual PN 123 0.021 0.04 1.5
--.FB9.Z. 2000-04-01T18:08:41.43 10.0 undecidable manual SN 44 0.0096 -0.34 0.6
--.RNI2.Z. 2000-04-01T18:08:41.14 10.0 undecidable manual PN 123 0.0195 -0.31 1.4
--.RVI2.Z. 2000-04-01T18:08:40.13 10.0 undecidable manual PN 126 0.0193 -0.92 0.9
--.SFI.Z. 2000-04-01T18:08:38.36 10.0 undecidable manual SG 4 0.0087 -0.29 0.6
--.SNTG.Z. 2000-04-01T18:08:37.40 10.0 undecidable manual SG 69 0.0084 -0.57 0.5
--.SDI.Z. 2000-04-01T18:08:37.15 10.0 undecidable manual PN 127 0.0176 -1.46 0.5
--.EB9.Z. 2000-04-01T18:08:36.00 10.0 undecidable manual PN 327 0.0158 0.21 1.5
--.GU9.Z. 2000-04-01T18:08:33.91 10.0 positive manual PN 329 0.0147 -0.16 3
--.ZC9.Z. 2000-04-01T18:08:31.67 10.0 undecidable manual PN 338 0.0136 -0.73 1.1
--.PQ9.Z. 2000-04-01T18:08:30.86 10.0 undecidable manual PN 125 0.0138 -1.8 0.2
--.BDI.Z. 2000-04-01T18:08:29.91 10.0 undecidable manual PN 323 0.0125 -0.82 1
--.AQU.Z. 2000-04-01T18:08:28.76 10.0 undecidable manual PN 114 0.0122 -1.51 0.4
--.GRFL.Z. 2000-04-01T18:08:27.40 10.0 undecidable manual SG 290 0.0053 0.85 0.4
--.RDP.Z. 2000-04-01T18:08:27.64 10.0 undecidable manual PN! 147 0.0125 -3 0
--.CSNT.Z. 2000-04-01T18:08:27.37 10.0 undecidable manual SG 328 0.0056 -0.19 0.6
--.RSM.Z. 2000-04-01T18:08:27.82 10.0 undecidable manual PN 27 0.01 0.85 1
--.PII.Z. 2000-04-01T18:08:26.95 10.0 undecidable manual PN 311 0.0105 -0.82 1
--.FB9.Z. 2000-04-01T18:08:25.93 10.0 negative manual PN 44 0.0096 -0.37 2.8
--.ARV.Z. 2000-04-01T18:08:24.64 10.0 undecidable manual PG 56 0.0094 -1.27 0.6
--.SFI.Z. 2000-04-01T18:08:24.16 10.0 undecidable manual PG 4 0.0087 -0.34 1.4
--.PGD.Z. 2000-04-01T18:08:23.45 10.0 positive manual PG 358 0.0084 -0.45 2.7
--.SNTG.Z. 2000-04-01T18:08:22.55 10.0 undecidable manual PG 69 0.0084 -1.34 0.5
--.CSNT.Z. 2000-04-01T18:08:16.97 10.0 positive manual PG 328 0.0056 -1.13 1.5
--.GRFL.Z. 2000-04-01T18:08:15.72 10.0 positive manual PG 290 0.0053 -1.79 0.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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