Earthquake with magnitude of Md 3.5 on date 06-08-1995 and time 12:38:12 (UTC) in region 6 km W Castelnuovo di Val di Cecina (PI)

A magnitude Md 3.5 earthquake occured in region: 6 km W Castelnuovo di Val di Cecina (PI), on

  • 06-08-1995 12:38:12 (UTC)
  • 06-08-1995 14:38:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.22, 10.84 at 6 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 di Val di Cecina PI 6 2231 2231
Monterotondo Marittimo GR 9 1371 3602
Pomarance PI 9 5897 9499
Monteverdi Marittimo PI 11 758 10257
Radicondoli SI 17 914 11171
Montieri GR 18 1204 12375
Sassetta LI 19 514 12889
Massa Marittima GR 19 8375 21264
Guardistallo PI 20 1234 22498
Castagneto Carducci LI 20 9010 31508

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Siena (53903 inhabitants)
56 Km NW of Grosseto (82087 inhabitants)
57 Km SE of Livorno (159219 inhabitants)
65 Km SE of Pisa (89158 inhabitants)
66 Km SW of Scandicci (50609 inhabitants)
70 Km SW of Firenze (382808 inhabitants)
75 Km SE of Lucca (89046 inhabitants)
76 Km S of Prato (191150 inhabitants)
80 Km S of Pistoia (90315 inhabitants)
86 Km SE of Viareggio (62467 inhabitants)
89 Km W of Arezzo (99543 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 3.5
ML-VAX 2.3
1995-08-06
12:38:12
43.22 10.84 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 230389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-08-06 12:38:12 ± 0.597
Latitude 43.22 ± 0.02
Longitude 10.84 ± 0.02
Depth (km) 6 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 230389

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) 2541.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00486
Epicentral distance of station farthest from the epicenter (degree) 0.03618
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

Md:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 10
Type of magnitude Md
Reference to an origin 230389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:38:07

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 14
Type of magnitude ML
Reference to an origin 230389
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
--.CKI.Z. 1995-08-06T12:39:15.28 10.0 undecidable manual SN 303 0.0198 -0.92 0.3
--.CGL.Z. 1995-08-06T12:39:12.56 10.0 undecidable manual PN 196 0.0362 -1.71 0.1
--.FVI.Z. 1995-08-06T12:39:09.55 10.0 undecidable manual PN 21 0.0327 0.62 0.8
--.BR9.Z. 1995-08-06T12:39:04.69 10.0 undecidable manual PN 354 0.0294 0.85 0.7
--.VVI.Z. 1995-08-06T12:39:01.32 10.0 positive manual PN 21 0.0268 1.43 0.6
--.CTI.Z. 1995-08-06T12:38:59.45 10.0 positive manual PN 11 0.0259 0.91 1.4
--.MDI.Z. 1995-08-06T12:38:56.62 10.0 undecidable manual PN 342 0.024 0.9 0.7
--.RSM.Z. 1995-08-06T12:38:56.45 10.0 undecidable manual SN 58 0.0122 0.13 0.6
--.SDI.Z. 1995-08-06T12:38:55.80 10.0 undecidable manual PN 123 0.0239 -0.43 1
--.ASS.Z. 1995-08-06T12:38:55.27 10.0 undecidable manual SN 96 0.012 -0.27 0.6
--.EB9.Z. 1995-08-06T12:38:52.98 10.0 undecidable manual SN 345 0.0111 -0.27 0.6
--.ZC9.Z. 1995-08-06T12:38:51.00 10.0 undecidable manual SN 4 0.0102 0.17 0.6
--.PQ9.Z. 1995-08-06T12:38:49.16 10.0 undecidable manual PN 121 0.0201 -0.47 1.1
--.GU9.Z. 1995-08-06T12:38:49.23 10.0 undecidable manual SN 350 0.0102 -1.81 0.1
--.CKI.Z. 1995-08-06T12:38:49.48 10.0 undecidable manual PN 303 0.0198 0.3 1.2
--.AQU.Z. 1995-08-06T12:38:48.11 10.0 undecidable manual PN 113 0.0186 0.72 1
--.SFI.Z. 1995-08-06T12:38:47.45 10.0 undecidable manual SG 46 0.009 0.41 0.6
--.RDP.Z. 1995-08-06T12:38:46.74 10.0 undecidable manual PN 135 0.0181 0.12 1.4
--.RMP.Z. 1995-08-06T12:38:46.75 10.0 undecidable manual PN 134 0.0176 0.76 0.9
--.PGD.Z. 1995-08-06T12:38:44.00 10.0 undecidable manual SG 43 0.0082 -0.29 0.5
--.BOB.Z. 1995-08-06T12:38:44.27 10.0 undecidable manual PN 327 0.0165 0.04 1.5
--.CRE.Z. 1995-08-06T12:38:42.58 10.0 undecidable manual SG 63 0.008 -1.26 0.2
--.ARV.Z. 1995-08-06T12:38:40.70 10.0 undecidable manual PN 78 0.0139 -0.23 1.4
--.BDI.Z. 1995-08-06T12:38:40.83 10.0 undecidable manual SG 348 0.0077 -1.68 0.1
--.RSM.Z. 1995-08-06T12:38:39.41 10.0 undecidable manual PN 58 0.0122 1.71 0.2
--.FB9.Z. 1995-08-06T12:38:39.58 10.0 undecidable manual PN 70 0.0133 0.26 1.5
--.ASS.Z. 1995-08-06T12:38:36.45 10.0 undecidable manual PN 96 0.012 -0.8 0.9
--.ZC9.Z. 1995-08-06T12:38:36.00 10.0 positive manual PN 4 0.0102 1.47 0.8
--.EB9.Z. 1995-08-06T12:38:36.15 10.0 positive manual PN 345 0.0111 0.22 3
--.GU9.Z. 1995-08-06T12:38:34.66 10.0 undecidable manual PN 350 0.0102 0.01 1.5
--.SFI.Z. 1995-08-06T12:38:31.78 10.0 positive manual PG 46 0.009 -0.56 2.3
--.PII.Z. 1995-08-06T12:38:31.87 10.0 undecidable manual SG 335 0.0049 -0.71 0.4
--.PGD.Z. 1995-08-06T12:38:30.39 10.0 positive manual PG 43 0.0082 -0.36 2.6
--.CRE.Z. 1995-08-06T12:38:29.98 10.0 undecidable manual PG 63 0.008 -0.52 1.2
--.BDI.Z. 1995-08-06T12:38:28.98 10.0 negative manual PG 348 0.0077 -0.75 1.9
--.PII.Z. 1995-08-06T12:38:23.16 10.0 positive manual PG 335 0.0049 -0.84 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download