Earthquake with magnitude of Md 2.1 on date 29-08-1994 and time 13:24:33 (Italy) in region 3 km N Talla (AR)

A magnitude Md 2.1 earthquake occured in region: 3 km N Talla (AR), on

  • 29-08-1994 11:24:33 (UTC)
  • 29-08-1994 13:24:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6260, 11.7890 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
Talla AR 3 1062 1062
Castel Focognano AR 5 3149 4211
Ortignano Raggiolo AR 7 878 5089
Bibbiena AR 8 12241 17330
Chitignano AR 8 899 18229
Subbiano AR 9 6331 24560
Capolona AR 9 5438 29998
Castiglion Fibocchi AR 11 2167 32165
Poppi AR 11 6160 38325
Loro Ciuffenna AR 13 5819 44144
Chiusi della Verna AR 14 2023 46167
Laterina AR 15 3517 49684
Castel San Niccolò AR 15 2707 52391
Caprese Michelangelo AR 16 1426 53817
Terranuova Bracciolini AR 18 12346 66163
Montemignaio AR 19 566 66729
Castelfranco Piandiscò AR 19 9632 76361
Pergine Valdarno AR 19 3162 79523
Pratovecchio Stia AR 19 5845 85368
Arezzo AR 19 99543 184911

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Arezzo (99543 inhabitants)
46 Km E of Firenze (382808 inhabitants)
50 Km NE of Siena (53903 inhabitants)
51 Km E of Scandicci (50609 inhabitants)
62 Km E of Prato (191150 inhabitants)
68 Km SW of Cesena (96758 inhabitants)
70 Km SW of Forlì (117913 inhabitants)
74 Km S of Faenza (58541 inhabitants)
75 Km NW of Perugia (166134 inhabitants)
78 Km E of Pistoia (90315 inhabitants)
79 Km SW of Rimini (147750 inhabitants)
81 Km S of Imola (69797 inhabitants)
94 Km SW of Ravenna (159116 inhabitants)
96 Km W of Pesaro (94582 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 2.1 1994-08-29
11:24:33
43.626 11.789 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 215509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-08-29 11:24:33 ± 0.457
Latitude 43.6260 ± 0.0270
Longitude 11.7890 ± 0.0488
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 215509

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) 4946.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00753
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 215509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:23:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1994-08-29T11:25:01.77 10.0 undecidable manual SG 131 0.8325 -0.64 0
--.ASS.Z. 1994-08-29T11:24:50.37 10.0 undecidable manual PG 131 0.8325 0.35 0.5
--.SFI.Z. 1994-08-29T11:24:44.83 10.0 undecidable manual SG 8 0.2775 0.54 0.1
--.PGD.Z. 1994-08-29T11:24:42.91 10.0 undecidable manual SG 349 0.2553 -0.37 0.3
--.SFI.Z. 1994-08-29T11:24:39.46 10.0 undecidable manual PG 8 0.2775 -0.1 1.6
--.PGD.Z. 1994-08-29T11:24:38.90 10.0 undecidable manual PG 349 0.2553 -0.07 1.7
--.CRE.Z. 1994-08-29T11:24:38.22 10.0 undecidable manual SG 93 0.1221 -0.23 0.5
--.CRE.Z. 1994-08-29T11:24:36.24 10.0 negative manual PG 93 0.1221 0.05 3.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download