Earthquake with magnitude of Md 2.3 on date 16-06-1992 and time 22:52:40 (Italy) in region 7 km W Figline e Incisa Valdarno (FI)

A magnitude Md 2.3 earthquake occured in region: 7 km W Figline e Incisa Valdarno (FI), on

  • 16-06-1992 20:52:40 (UTC)
  • 16-06-1992 22:52:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6780, 11.3720 at 17 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
Figline e Incisa Valdarno FI 7 23505 23505
Rignano sull'Arno FI 8 8651 32156
Bagno a Ripoli FI 9 25611 57767
Impruneta FI 9 14615 72382
Greve in Chianti FI 11 13862 86244
Pontassieve FI 12 20603 106847
Reggello FI 13 16290 123137
Firenze FI 14 382808 505945
Pelago FI 15 7660 513605
San Casciano in Val di Pesa FI 15 17062 530667
Fiesole FI 16 13969 544636
Castelfranco Piandiscò AR 16 9632 554268
Scandicci FI 18 50609 604877
San Giovanni Valdarno AR 18 17018 621895
Rufina FI 19 7346 629241
Cavriglia AR 20 9614 638855

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SE of Firenze (382808 inhabitants)
18 Km SE of Scandicci (50609 inhabitants)
32 Km SE of Prato (191150 inhabitants)
40 Km N of Siena (53903 inhabitants)
46 Km SE of Pistoia (90315 inhabitants)
47 Km W of Arezzo (99543 inhabitants)
72 Km E of Lucca (89046 inhabitants)
78 Km E of Pisa (89158 inhabitants)
79 Km SW of Faenza (58541 inhabitants)
80 Km SW of Imola (69797 inhabitants)
81 Km SW of Forlì (117913 inhabitants)
87 Km SW of Cesena (96758 inhabitants)
87 Km E of Livorno (159219 inhabitants)
91 Km S of Bologna (386663 inhabitants)
93 Km E of Viareggio (62467 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 1992-06-16
20:52:40
43.678 11.372 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 167689
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-06-16 20:52:40 ± 0.787
Latitude 43.6780 ± 0.0305
Longitude 11.3720 ± 0.0576
Depth (km) 17 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 167689

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) 5742.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 313
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.01036
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 167689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:36:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1992-06-16T20:53:02.00 10.0 undecidable manual PN 98 1.1544 -0.02 1.3
--.CRE.Z. 1992-06-16T20:52:56.00 10.0 undecidable manual SG 97 0.4107 -0.58 0.5
--.SFI.Z. 1992-06-16T20:52:56.50 10.0 undecidable manual SG 56 0.3996 0.28 0.8
--.PGD.Z. 1992-06-16T20:52:54.00 10.0 undecidable manual SG 52 0.3108 0.6 0.5
--.CRE.Z. 1992-06-16T20:52:50.50 10.0 undecidable manual PG 97 0.4107 0.54 1.3
--.SFI.Z. 1992-06-16T20:52:48.80 10.0 undecidable manual PG 56 0.3996 -0.95 0.5
--.PGD.Z. 1992-06-16T20:52:48.00 10.0 undecidable manual PG 52 0.3108 -0.12 2.1
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