Earthquake with magnitude of Md 2.5 on date 29-01-1993 and time 19:00:56 (Italy) in region 1 km SE Montieri (GR)

A magnitude Md 2.5 earthquake occured in region: 1 km SE Montieri (GR), on

  • 29-01-1993 18:00:56 (UTC)
  • 29-01-1993 19:00:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1270, 11.0220 at 15 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
Montieri GR 1 1204 1204
Chiusdino SI 6 1903 3107
Castelnuovo di Val di Cecina PI 13 2231 5338
Monticiano SI 13 1571 6909
Monterotondo Marittimo GR 14 1371 8280
Massa Marittima GR 14 8375 16655
Radicondoli SI 15 914 17569
Roccastrada GR 17 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Siena (53903 inhabitants)
41 Km N of Grosseto (82087 inhabitants)
72 Km S of Scandicci (50609 inhabitants)
74 Km S of Firenze (382808 inhabitants)
75 Km SE of Livorno (159219 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
83 Km SE of Pisa (89158 inhabitants)
84 Km S of Prato (191150 inhabitants)
90 Km S of Pistoia (90315 inhabitants)
90 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 2.5
M 2.5
1993-01-29
18:00:56
43.127 11.022 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 179619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-01-29 18:00:56 ± 0.212
Latitude 43.1270 ± 0.0127
Longitude 11.0220 ± 0.0102
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 179619

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) 1640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00623
Epicentral distance of station farthest from the epicenter (degree) 0.03060
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 179619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:48:27

M:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 179619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:42:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LRG.Z. 1993-01-29T18:01:49.40 10.0 undecidable manual PN 276 3.3966 0.16 0.7
--.LMR.Z. 1993-01-29T18:01:47.30 10.0 undecidable manual PN 274 3.2856 -0.37 0.5
--.FRF.Z. 1993-01-29T18:01:46.10 10.0 undecidable manual PN 278 3.1968 -0.43 0.4
--.PGF.Z. 1993-01-29T18:01:44.60 10.0 undecidable manual SN 249 1.5873 0.27 0.3
--.SBF.Z. 1993-01-29T18:01:39.40 10.0 undecidable manual PN 286 2.6973 -0.17 1
--.BDI.Z. 1993-01-29T18:01:29.55 10.0 undecidable manual SN 341 0.9768 -0.33 0.2
--.PGD.Z. 1993-01-29T18:01:27.75 10.0 undecidable manual SG 33 0.8991 -0.18 0.4
--.CRE.Z. 1993-01-29T18:01:25.64 10.0 undecidable manual SG 53 0.8214 -0.08 0.6
--.PGF.Z. 1993-01-29T18:01:24.50 10.0 undecidable manual PN 249 1.5873 0.18 1
--.PII.Z. 1993-01-29T18:01:21.00 10.0 undecidable manual SG 328 0.6882 -0.28 0.3
--.ZC9.Z. 1993-01-29T18:01:20.00 10.0 undecidable manual PN 358 1.221 0.72 0.1
--.ASS.Z. 1993-01-29T18:01:18.34 10.0 undecidable manual PN 92 1.1877 -0.48 0.5
--.SFI.Z. 1993-01-29T18:01:16.12 10.0 positive manual PN 36 0.9657 0.2 2.5
--.BDI.Z. 1993-01-29T18:01:15.89 10.0 negative manual PN 341 0.9768 -0.09 2.9
--.PGD.Z. 1993-01-29T18:01:14.99 10.0 positive manual PG 33 0.8991 0.14 2.8
--.CRE.Z. 1993-01-29T18:01:13.48 10.0 undecidable manual PG 53 0.8214 -0.09 1.5
--.PII.Z. 1993-01-29T18:01:11.20 10.0 undecidable manual PG 328 0.6882 0.19 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download