Earthquake with magnitude of Md 2.5 on date 05-02-1992 and time 09:47:34 (UTC) in region 3 km N San Godenzo (FI)

A magnitude Md 2.5 earthquake occured in region: 3 km N San Godenzo (FI), on

  • 05-02-1992 09:47:34 (UTC)
  • 05-02-1992 10:47:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9510, 11.6120 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
San Godenzo FI 3 1167 1167
Dicomano FI 10 5515 6682
Londa FI 11 1840 8522
Vicchio FI 12 8044 16566
Premilcuore FC 14 799 17365
Marradi FI 14 3139 20504
Portico e San Benedetto FC 16 756 21260
Rufina FI 17 7346 28606
Borgo San Lorenzo FI 18 18211 46817
Tredozio FC 18 1212 48029
Palazzuolo sul Senio FI 19 1154 49183
Pratovecchio Stia AR 20 5845 55028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Firenze (382808 inhabitants)
41 Km NE of Scandicci (50609 inhabitants)
42 Km E of Prato (191150 inhabitants)
43 Km SW of Faenza (58541 inhabitants)
46 Km S of Imola (69797 inhabitants)
46 Km SW of Forlì (117913 inhabitants)
55 Km W of Cesena (96758 inhabitants)
56 Km E of Pistoia (90315 inhabitants)
58 Km NW of Arezzo (99543 inhabitants)
64 Km SE of Bologna (386663 inhabitants)
70 Km SW of Ravenna (159116 inhabitants)
74 Km NE of Siena (53903 inhabitants)
77 Km W of Rimini (147750 inhabitants)
90 Km E of Lucca (89046 inhabitants)
95 Km SE of Modena (184973 inhabitants)
99 Km S of Ferrara (133155 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
ML-VAX 1.9
1992-02-05
09:47:34
43.951 11.612 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 157949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-02-05 09:47:34 ± 0.237
Latitude 43.9510 ± 0.0241
Longitude 11.6120 ± 0.0226
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 157949

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) 3230.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00664
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 157949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:27:36

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 157949
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(km) Takeoff_angle Residual Weight
--.BDI.Z. 1992-02-05T09:48:00.12 10.0 undecidable manual SG 279 0.7326 -0.46 0.2
--.BDI.Z. 1992-02-05T09:47:50.21 10.0 undecidable manual PG 279 0.7326 0.46 0.5
--.CRE.Z. 1992-02-05T09:47:50.53 10.0 undecidable manual SG 143 0.3996 0.43 0.3
--.CRE.Z. 1992-02-05T09:47:43.38 10.0 undecidable manual PG 143 0.3996 -0.32 1.2
--.SFI.Z. 1992-02-05T09:47:43.26 10.0 undecidable manual SG 105 0.1665 0.72 0.1
--.SR3.E. 1992-02-05T09:47:42.60 10.0 undecidable manual SG 113 0.1665 0.1 0.8
--.PGD.Z. 1992-02-05T09:47:40.50 10.0 undecidable manual SG 133 0.111 0.14 0.7
--.SFI.Z. 1992-02-05T09:47:39.70 10.0 undecidable manual PG 105 0.1665 -0.26 1.5
--.SR3.Z. 1992-02-05T09:47:39.00 10.0 undecidable manual PG 113 0.1665 -0.31 2.7
--.PGD.Z. 1992-02-05T09:47:37.92 10.0 undecidable manual PG 133 0.111 -0.15 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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