Earthquake with magnitude of Md 3.1 on date 28-05-1992 and time 14:23:27 (Italy) in region 4 km E Fiesole (FI)

A magnitude Md 3.1 earthquake occured in region: 4 km E Fiesole (FI), on

  • 28-05-1992 12:23:27 (UTC)
  • 28-05-1992 14:23:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.82, 11.34 at 5 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
Fiesole FI 4 13969 13969
Bagno a Ripoli FI 8 25611 39580
Firenze FI 8 382808 422388
Pontassieve FI 10 20603 442991
Vaglia FI 11 5073 448064
Sesto Fiorentino FI 11 48958 497022
Rufina FI 12 7346 504368
Scandicci FI 14 50609 554977
Rignano sull'Arno FI 14 8651 563628
Calenzano FI 14 17489 581117
Pelago FI 15 7660 588777
Borgo San Lorenzo FI 16 18211 606988
Campi Bisenzio FI 16 46166 653154
Scarperia e San Piero FI 16 12217 665371
Impruneta FI 16 14615 679986
Vicchio FI 17 8044 688030
Dicomano FI 17 5515 693545
Londa FI 19 1840 695385
Lastra a Signa FI 19 20156 715541
Signa FI 20 19179 734720
Figline e Incisa Valdarno FI 20 23505 758225

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km NE of Firenze (382808 inhabitants)
14 Km E of Scandicci (50609 inhabitants)
20 Km E of Prato (191150 inhabitants)
36 Km E of Pistoia (90315 inhabitants)
56 Km N of Siena (53903 inhabitants)
59 Km NW of Arezzo (99543 inhabitants)
67 Km SW of Imola (69797 inhabitants)
67 Km E of Lucca (89046 inhabitants)
68 Km SW of Faenza (58541 inhabitants)
72 Km SW of Forlì (117913 inhabitants)
75 Km S of Bologna (386663 inhabitants)
76 Km E of Pisa (89158 inhabitants)
81 Km W of Cesena (96758 inhabitants)
87 Km E of Viareggio (62467 inhabitants)
88 Km E of Livorno (159219 inhabitants)
96 Km SW of Ravenna (159116 inhabitants)
98 Km SE of Modena (184973 inhabitants)
99 Km E of Massa (69479 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 3.1 1992-05-28
12:23:27
43.82 11.34 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 166049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-28 12:23:27 ± 0.099
Latitude 43.82 ± 0.01
Longitude 11.34 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 166049

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) 1366.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.02655
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 166049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:35:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FVI.Z. 1992-05-28T12:24:14.50 10.0 undecidable manual PN 19 0.0266 -0.28 0.6
--.AQU.Z. 1992-05-28T12:24:03.00 10.0 undecidable manual PN 133 0.0189 -0.1 1.1
--.SAL.Z. 1992-05-28T12:24:00.00 10.0 undecidable manual PN 342 0.0168 0 1.3
--.ARV.Z. 1992-05-28T12:23:51.50 10.0 undecidable manual PN 105 0.0108 0.7 0.2
--.ASS.Z. 1992-05-28T12:23:50.50 10.0 undecidable manual PN 128 0.0109 -0.47 0.6
--.PII.Z. 1992-05-28T12:23:50.00 10.0 undecidable manual SG 260 0.0053 0.65 0.1
--.BDI.Z. 1992-05-28T12:23:48.50 10.0 undecidable manual SG 295 0.0052 -0.53 0.2
--.CRE.Z. 1992-05-28T12:23:45.50 10.0 undecidable manual SG 114 0.0044 -0.41 0.3
--.SFI.Z. 1992-05-28T12:23:42.00 10.0 undecidable manual SG 77 0.0034 -0.08 0.8
--.PII.Z. 1992-05-28T12:23:40.00 10.0 undecidable manual PG 260 0.0053 -0.07 1.9
--.BDI.Z. 1992-05-28T12:23:40.00 10.0 undecidable manual PG 295 0.0052 0.11 1.8
--.CRE.Z. 1992-05-28T12:23:38.00 10.0 undecidable manual PG 114 0.0044 -0.09 1.9
--.PGD.Z. 1992-05-28T12:23:38.50 10.0 undecidable manual SG 78 0.0025 0.05 0.8
--.SFI.Z. 1992-05-28T12:23:36.00 10.0 undecidable manual PG 77 0.0034 0.13 1.8
--.PGD.Z. 1992-05-28T12:23:34.00 10.0 undecidable manual PG 78 0.0025 0.22 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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