Earthquake with magnitude of Md 2.3 on date 22-03-1992 and time 19:55:57 (Italy) in region 2 km NW San Godenzo (FI)

A magnitude Md 2.3 earthquake occured in region: 2 km NW San Godenzo (FI), on

  • 22-03-1992 18:55:57 (UTC)
  • 22-03-1992 19:55:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9400, 11.6140 at 22 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 2 1167 1167
Dicomano FI 9 5515 6682
Londa FI 10 1840 8522
Vicchio FI 12 8044 16566
Premilcuore FC 14 799 17365
Marradi FI 15 3139 20504
Rufina FI 16 7346 27850
Portico e San Benedetto FC 17 756 28606
Borgo San Lorenzo FI 18 18211 46817
Pratovecchio Stia AR 19 5845 52662
Tredozio FC 19 1212 53874
Palazzuolo sul Senio FI 20 1154 55028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Firenze (382808 inhabitants)
40 Km NE of Scandicci (50609 inhabitants)
42 Km E of Prato (191150 inhabitants)
44 Km SW of Faenza (58541 inhabitants)
47 Km SW of Forlì (117913 inhabitants)
47 Km S of Imola (69797 inhabitants)
55 Km W of Cesena (96758 inhabitants)
56 Km E of Pistoia (90315 inhabitants)
57 Km NW of Arezzo (99543 inhabitants)
65 Km SE of Bologna (386663 inhabitants)
71 Km SW of Ravenna (159116 inhabitants)
73 Km NE of Siena (53903 inhabitants)
77 Km W of Rimini (147750 inhabitants)
90 Km E of Lucca (89046 inhabitants)
96 Km SE of Modena (184973 inhabitants)
100 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 2.3 1992-03-22
18:55:57
43.94 11.614 22 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 161109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-03-22 18:55:57 ± 0.243
Latitude 43.9400 ± 0.0297
Longitude 11.6140 ± 0.0401
Depth (km) 22 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 161109

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) 4607.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00729
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 161109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:30:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PII.Z. 1992-03-22T18:56:24.28 10.0 undecidable manual SN 254 0.8103 -0.61 0.2
--.BDI.Z. 1992-03-22T18:56:23.35 10.0 undecidable manual SN 279 0.7326 0.23 0.6
--.CRE.Z. 1992-03-22T18:56:13.49 10.0 undecidable manual SG 142 0.3996 0.69 0.3
--.BDI.Z. 1992-03-22T18:56:12.88 10.0 undecidable manual PN 279 0.7326 0.66 0.6
--.PII.Z. 1992-03-22T18:56:12.85 10.0 undecidable manual PN 254 0.8103 -0.4 1.1
--.CRE.Z. 1992-03-22T18:56:06.13 10.0 undecidable manual PG 142 0.3996 -0.14 2.2
--.SFI.Z. 1992-03-22T18:56:06.63 10.0 undecidable manual SG 101 0.1665 0.13 0.9
--.PGD.Z. 1992-03-22T18:56:05.00 10.0 undecidable manual SG 129 0.0999 -0.1 0.9
--.SFI.Z. 1992-03-22T18:56:02.70 10.0 undecidable manual PG 101 0.1665 -0.55 1
--.PGD.Z. 1992-03-22T18:56:02.00 10.0 undecidable manual PG 129 0.0999 0.18 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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