Earthquake with magnitude of Md 3.8 on date 06-08-1993 and time 09:51:49 (Italy) in region 6 km SW Casole d'Elsa (SI)

A magnitude Md 3.8 earthquake occured in region: 6 km SW Casole d'Elsa (SI), on

  • 06-08-1993 07:51:49 (UTC)
  • 06-08-1993 09:51:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.31, 10.98 at 10 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
Casole d'Elsa SI 6 3897 3897
Radicondoli SI 7 914 4811
Pomarance PI 9 5897 10708
Castelnuovo di Val di Cecina PI 13 2231 12939
Volterra PI 14 10519 23458
Colle di Val d'Elsa SI 17 21620 45078
San Gimignano SI 18 7820 52898
Chiusdino SI 19 1903 54801

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Siena (53903 inhabitants)
52 Km SW of Scandicci (50609 inhabitants)
56 Km SW of Firenze (382808 inhabitants)
61 Km E of Livorno (159219 inhabitants)
62 Km N of Grosseto (82087 inhabitants)
64 Km S of Prato (191150 inhabitants)
65 Km SE of Pisa (89158 inhabitants)
70 Km S of Pistoia (90315 inhabitants)
71 Km SE of Lucca (89046 inhabitants)
75 Km W of Arezzo (99543 inhabitants)
85 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 3.8
ML-VAX 3.5
1993-08-06
07:51:49
43.31 10.98 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 193339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-06 07:51:49 ± 0.547
Latitude 43.31 ± 0.01
Longitude 10.98 ± 0.01
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 193339

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) 1791
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 113
Number of defining phases 113
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00445
Epicentral distance of station farthest from the epicenter (degree) 0.08702
Number of stations at which the event was observed 93
Number of stations from which data was used for origin computation 93
Magnitudes information

Md:3.8

Field Value
Value 3.8
Uncertainty
Num. used stations 9
Type of magnitude Md
Reference to an origin 193339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:01:39

ML:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 14
Type of magnitude ML
Reference to an origin 193339
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
--.HAU.Z. 1993-08-06T07:54:16.30 10.0 undecidable manual SN 327 0.0512 0.52 0.4
--.CDF.Z. 1993-08-06T07:54:16.00 10.0 undecidable manual SN 334 0.0514 -0.11 0.5
--.BSF.Z. 1993-08-06T07:54:10.10 10.0 undecidable manual SN 328 0.0484 1.79 0.1
--.GRR.Z. 1993-08-06T07:54:10.10 10.0 undecidable manual PN 306 0.087 1.52 0.2
--.SPC.Z. 1993-08-06T07:53:56.60 10.0 undecidable manual PN 44 0.0781 1.58 0.3
--.MFF.Z. 1993-08-06T07:53:51.79 10.0 undecidable manual PN 296 0.0767 -1.03 0.5
--.SKO.Z. 1993-08-06T07:53:44.50 10.0 undecidable manual PN 96 0.0702 1.62 0.3
--.EPF.Z. 1993-08-06T07:53:42.10 10.0 undecidable manual PN 271 0.0698 -0.18 1
--.LFF.Z. 1993-08-06T07:53:38.29 10.0 undecidable manual PN 286 0.0677 -0.79 0.7
--.MOX.Z. 1993-08-06T07:53:36.50 10.0 undecidable manual PN 3 0.0661 -0.12 1
--.TNS.Z. 1993-08-06T07:53:33.70 10.0 undecidable manual PN 347 0.0641 0.11 1
--.LPO.Z. 1993-08-06T07:53:33.40 10.0 undecidable manual PN 284 0.0645 -0.83 0.7
--.PRU.Z. 1993-08-06T07:53:32.29 10.0 undecidable manual PN 18 0.0639 -1.06 0.5
--.TCF.Z. 1993-08-06T07:53:31.00 10.0 undecidable manual PN 298 0.062 0.57 0.9
--.CAF.Z. 1993-08-06T07:53:27.10 10.0 undecidable manual PN 287 0.0593 0.76 0.8
--.MAF.Z. 1993-08-06T07:53:27.50 10.0 undecidable manual PN 299 0.0597 0.55 0.9
--.BGF.Z. 1993-08-06T07:53:26.79 10.0 undecidable manual PN 302 0.0594 0.31 1
--.SSF.Z. 1993-08-06T07:53:24.79 10.0 undecidable manual PN 308 0.0581 0.27 1
--.AVF.Z. 1993-08-06T07:53:24.40 10.0 undecidable manual PN 305 0.0576 0.6 0.9
--.LOR.Z. 1993-08-06T07:53:23.70 10.0 undecidable manual PN 311 0.0574 0.31 1
--.VKA.Z. 1993-08-06T07:53:20.79 10.0 negative manual PN 35 0.0557 -0.01 2.2
--.LBF.Z. 1993-08-06T07:53:20.70 10.0 undecidable manual PN 309 0.0553 0.45 1
--.SMF.Z. 1993-08-06T07:53:19.40 10.0 undecidable manual PN 306 0.0544 0.58 1
--.KHC.Z. 1993-08-06T07:53:19.79 10.0 undecidable manual PN 16 0.0547 0.42 2.1
--.LRG.Z. 1993-08-06T07:53:18.40 10.0 undecidable manual SN 274 0.0302 -1.73 0.1
--.SOP.Z. 1993-08-06T07:53:17.00 10.0 undecidable manual PN 39 0.0527 0.74 0.9
--.CDF.Z. 1993-08-06T07:53:14.10 10.0 undecidable manual PN 334 0.0514 -0.14 1.1
--.HAU.Z. 1993-08-06T07:53:14.29 10.0 undecidable manual PN 327 0.0512 0.24 1.2
--.WLS.Z. 1993-08-06T07:53:13.95 10.0 undecidable manual PN 335 0.0512 0.03 1.2
--.ECH.Z. 1993-08-06T07:53:12.20 10.0 undecidable manual PN 333 0.0502 -0.21 1.1
--.BSF.Z. 1993-08-06T07:53:09.90 10.0 undecidable manual PN 328 0.0484 0.16 1.2
--.MOF.Z. 1993-08-06T07:53:08.36 10.0 undecidable manual PN 330 0.0474 0.12 1.2
--.KMR.Z. 1993-08-06T07:53:07.79 10.0 undecidable manual PN 23 0.047 0.22 2.5
--.CTI.Z. 1993-08-06T07:53:05.11 10.0 undecidable manual SN 9 0.0249 -1.16 0.2
--.FEL.Z. 1993-08-06T07:53:04.69 10.0 undecidable manual PN 336 0.0451 0.1 1.3
--.FUR.Z. 1993-08-06T07:53:03.60 10.0 negative manual PN 2 0.0436 1.13 1.5
--.BBS.Z. 1993-08-06T07:53:02.25 10.0 undecidable manual PN 331 0.0433 0.36 1.2
--.SLE.Z. 1993-08-06T07:53:01.29 10.0 positive manual PN 339 0.043 -0.15 2.5
--.MGR.Z. 1993-08-06T07:53:00.68 10.0 undecidable manual PN 131 0.0418 0.93 0.8
--.BHG.Z. 1993-08-06T07:53:00.50 10.0 positive manual PN 16 0.0414 1.49 1
--.SBF.Z. 1993-08-06T07:52:59.10 10.0 undecidable manual SN! 283 0.0236 -3.59 0
--.ZLA.Z. 1993-08-06T07:52:58.70 10.0 undecidable manual PN 337 0.041 0.39 1.3
--.ZAG.Z. 1993-08-06T07:52:57.70 10.0 undecidable manual PN 53 0.0393 1.95 0.2
--.PTJ.Z. 1993-08-06T07:52:56.29 10.0 undecidable manual PN 52 0.0396 0.1 1.4
--.SAL.Z. 1993-08-06T07:52:54.50 10.0 undecidable manual SN 352 0.0208 -0.88 0.3
--.KBA.Z. 1993-08-06T07:52:53.29 10.0 negative manual PN 23 0.037 0.97 1.9
--.CKI.Z. 1993-08-06T07:52:52.56 10.0 undecidable manual SN 300 0.0202 -0.97 0.4
--.LPL.Z. 1993-08-06T07:52:49.00 10.0 undecidable manual PN 307 0.0337 1.72 0.3
--.DIX.Z. 1993-08-06T07:52:49.29 10.0 positive manual PN 318 0.0338 1.94 0.4
--.LLS.Z. 1993-08-06T07:52:49.20 10.0 positive manual PN 339 0.0342 1.22 1.5
--.VBY.Z. 1993-08-06T07:52:47.29 10.0 negative manual PN 52 0.0338 -0.1 2.9
--.LJU.Z. 1993-08-06T07:52:46.00 10.0 undecidable manual PN 41 0.0334 -0.82 0.9
--.MMK.Z. 1993-08-06T07:52:45.50 10.0 positive manual PN 323 0.0312 1.94 0.4
--.OSS.Z. 1993-08-06T07:52:44.70 10.0 positive manual PN 350 0.0308 1.87 0.6
--.RBL.Z. 1993-08-06T07:52:44.72 10.0 positive manual PN 29 0.0326 -0.85 1.8
--.BNI.Z. 1993-08-06T07:52:44.93 10.0 undecidable manual PN 301 0.0318 0.52 1.3
--.FVI.Z. 1993-08-06T07:52:44.13 10.0 undecidable manual PN 20 0.0317 0.01 1.5
--.BOB.Z. 1993-08-06T07:52:43.60 10.0 undecidable manual SN 323 0.0164 -0.06 0.6
--.LSD.Z. 1993-08-06T07:52:43.75 10.0 undecidable manual PN 309 0.0312 0.25 1.4
--.VDL.Z. 1993-08-06T07:52:43.20 10.0 positive manual PN 342 0.0301 1.42 1.2
--.RRL.Z. 1993-08-06T07:52:42.79 10.0 undecidable manual PN 299 0.0307 0.12 1.5
--.CEY.Z. 1993-08-06T07:52:42.00 10.0 undecidable manual PN 44 0.031 -1.19 0.6
--.GE9.Z. 1993-08-06T07:52:41.40 10.0 undecidable manual PN 26 0.03 -0.59 1.1
--.VOY.Z. 1993-08-06T07:52:41.60 10.0 positive manual PN 36 0.0307 -1.12 1.3
--.TMA.Z. 1993-08-06T07:52:40.10 10.0 positive manual PN 332 0.0285 0.78 2.3
--.LRG.Z. 1993-08-06T07:52:40.70 10.0 undecidable manual PN 274 0.0302 -1.22 0.7
--.RSP.Z. 1993-08-06T07:52:39.54 10.0 undecidable manual PN 306 0.0291 -0.74 1.1
--.ORO.Z. 1993-08-06T07:52:39.70 10.0 undecidable manual PN 318 0.0283 0.61 1.2
--.RIY.Z. 1993-08-06T07:52:38.50 10.0 undecidable manual PN 49 0.0285 -0.82 0.9
--.DUI.Z. 1993-08-06T07:52:38.72 10.0 undecidable manual PN 121 0.0274 1.07 0.8
--.LMR.Z. 1993-08-06T07:52:38.60 10.0 undecidable manual PN 272 0.0292 -1.84 0.3
--.TRI.Z. 1993-08-06T07:52:37.33 10.0 undecidable manual PN 38 0.0279 -1.18 0.6
--.PGF.Z. 1993-08-06T07:52:37.79 10.0 undecidable manual SN 243 0.0147 -1.43 0.3
--.FRF.Z. 1993-08-06T07:52:37.70 10.0 undecidable manual PN 276 0.0283 -1.42 0.5
--.RFI.Z. 1993-08-06T07:52:37.68 10.0 undecidable manual PN 131 0.0269 0.77 1.1
--.DOI.Z. 1993-08-06T07:52:35.42 10.0 undecidable manual PN 295 0.0265 -0.78 1.1
--.ARV.Z. 1993-08-06T07:52:34.20 10.0 undecidable manual SN 81 0.0129 -0.24 0.6
--.CTI.Z. 1993-08-06T07:52:33.81 10.0 undecidable manual PN 9 0.0249 -0.11 1.4
--.ENR.Z. 1993-08-06T07:52:32.63 10.0 undecidable manual PN 291 0.0245 -0.63 1.2
--.ASS.Z. 1993-08-06T07:52:30.36 10.0 undecidable manual SN 101 0.0112 0.55 0.5
--.SBF.Z. 1993-08-06T07:52:30.20 10.0 undecidable manual PN 283 0.0236 -1.65 0.4
--.RSM.Z. 1993-08-06T07:52:28.10 10.0 undecidable manual SN 59 0.011 -1.41 0.2
--.ROB.Z. 1993-08-06T07:52:28.33 10.0 undecidable manual PN 295 0.022 -1.13 0.8
--.SAL.Z. 1993-08-06T07:52:27.52 10.0 undecidable manual PN 352 0.0208 -0.11 1.5
--.IMI.Z. 1993-08-06T07:52:26.17 10.0 undecidable manual PN 286 0.0208 -1.4 0.6
--.CKI.Z. 1993-08-06T07:52:25.00 10.0 undecidable manual PN 300 0.0202 -1.57 0.4
--.PCP.Z. 1993-08-06T07:52:25.90 10.0 undecidable manual PN 306 0.0193 0.69 1.2
--.GU9.Z. 1993-08-06T07:52:25.00 10.0 undecidable manual SN 345 0.0096 -0.88 0.3
--.RDP.Z. 1993-08-06T07:52:24.90 10.0 undecidable manual PN 140 0.0181 1.5 0.4
--.ZC9.Z. 1993-08-06T07:52:24.60 10.0 undecidable manual SN 0 0.0093 -0.94 0.3
--.AQU.Z. 1993-08-06T07:52:24.24 10.0 undecidable manual PN 117 0.0181 0.76 1.1
--.RMP.Z. 1993-08-06T07:52:23.45 10.0 undecidable manual PN 139 0.0176 0.7 1.1
--.ALP.Z. 1993-08-06T07:52:22.50 10.0 undecidable manual PN 104 0.0176 -0.24 1.4
--.BOB.Z. 1993-08-06T07:52:21.40 10.0 undecidable manual PN 323 0.0164 0.53 1.3
--.SSO.Z. 1993-08-06T07:52:21.00 10.0 undecidable manual PN 89 0.0159 0.84 1.1
--.SFI.Z. 1993-08-06T07:52:19.80 10.0 undecidable manual SG 46 0.0077 0.42 0.6
--.RMF.Z. 1993-08-06T07:52:17.90 10.0 undecidable manual PN 101 0.0149 -0.74 2.2
--.PGF.Z. 1993-08-06T07:52:16.50 10.0 undecidable manual PN 243 0.0147 -1.8 0.3
--.PGD.Z. 1993-08-06T07:52:15.60 10.0 undecidable manual SG 43 0.007 -1.05 0.2
--.MNS.Z. 1993-08-06T07:52:15.82 10.0 undecidable manual PN 126 0.0139 -1.29 0.6
--.ARV.Z. 1993-08-06T07:52:14.90 10.0 undecidable manual PN 81 0.0129 -0.64 1.1
--.BDI.Z. 1993-08-06T07:52:14.69 10.0 undecidable manual SG! 340 0.0072 -2.7 0
--.RSM.Z. 1993-08-06T07:52:13.18 10.0 undecidable manual PN 59 0.011 0.48 1.4
--.ASS.Z. 1993-08-06T07:52:12.00 10.0 positive manual PN 101 0.0112 -0.87 1.9
--.GU9.Z. 1993-08-06T07:52:10.60 10.0 undecidable manual PN 345 0.0096 -0.54 1.2
--.ZC9.Z. 1993-08-06T07:52:09.80 10.0 undecidable manual PN 0 0.0093 -0.29 1.4
--.PII.Z. 1993-08-06T07:52:08.00 10.0 undecidable manual SG 321 0.0047 -0.6 0.5
--.FIR.Z. 1993-08-06T07:52:07.50 10.0 undecidable manual SG 23 0.0045 -0.34 0.7
--.SFI.Z. 1993-08-06T07:52:06.90 10.0 undecidable manual PG 46 0.0077 -0.76 0.9
--.BDI.Z. 1993-08-06T07:52:04.72 10.0 positive manual PG 340 0.0072 -0.97 1.6
--.PGD.Z. 1993-08-06T07:52:04.79 10.0 positive manual PG 43 0.007 -0.48 1.3
--.PII.Z. 1993-08-06T07:51:59.65 10.0 positive manual PG 321 0.0047 -0.97 1.7
--.FIR.Z. 1993-08-06T07:51:59.50 10.0 positive manual PG 23 0.0045 -0.68 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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