Earthquake with magnitude of Md 2.1 on date 29-05-1992 and time 02:11:13 (Italy) in region 8 km SE Firenzuola (FI)

A magnitude Md 2.1 earthquake occured in region: 8 km SE Firenzuola (FI), on

  • 29-05-1992 00:11:13 (UTC)
  • 29-05-1992 02:11:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0630, 11.4360 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
Firenzuola FI 8 4726 4726
Palazzuolo sul Senio FI 11 1154 5880
Borgo San Lorenzo FI 13 18211 24091
Scarperia e San Piero FI 14 12217 36308
Marradi FI 14 3139 39447
Vicchio FI 15 8044 47491
Barberino di Mugello FI 17 10836 58327
Castel del Rio BO 18 1246 59573
Monghidoro BO 20 3749 63322

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Prato (191150 inhabitants)
36 Km NE of Firenze (382808 inhabitants)
39 Km SW of Imola (69797 inhabitants)
39 Km NE of Scandicci (50609 inhabitants)
44 Km SW of Faenza (58541 inhabitants)
44 Km E of Pistoia (90315 inhabitants)
49 Km S of Bologna (386663 inhabitants)
52 Km W of Forlì (117913 inhabitants)
65 Km W of Cesena (96758 inhabitants)
73 Km SW of Ravenna (159116 inhabitants)
75 Km NW of Arezzo (99543 inhabitants)
77 Km SE of Modena (184973 inhabitants)
79 Km E of Lucca (89046 inhabitants)
83 Km N of Siena (53903 inhabitants)
87 Km S of Ferrara (133155 inhabitants)
90 Km W of Rimini (147750 inhabitants)
91 Km SE of Carpi (70699 inhabitants)
91 Km E of Pisa (89158 inhabitants)
95 Km SE of Reggio nell'Emilia (171345 inhabitants)
97 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 2.1 1992-05-29
00:11:13
44.063 11.436 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 166399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-29 00:11:13 ± 0.644
Latitude 44.0630 ± 0.0574
Longitude 11.4360 ± 0.0265
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 166399

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) 6728.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00243
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
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 166399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:35:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PII.Z. 1992-05-29T00:11:39.00 10.0 undecidable manual SG 242 0.7326 -0.97 0.3
--.CRE.Z. 1992-05-29T00:11:36.00 10.0 undecidable manual SG 140 0.5772 1.23 0.2
--.BDI.Z. 1992-05-29T00:11:35.50 10.0 undecidable manual SG 270 0.5883 -0.04 0.9
--.PII.Z. 1992-05-29T00:11:28.50 10.0 undecidable manual PG 242 0.7326 -0.22 1.8
--.BDI.Z. 1992-05-29T00:11:27.00 10.0 undecidable manual PG 270 0.5883 0.84 1.1
--.SFI.Z. 1992-05-29T00:11:26.00 10.0 undecidable manual SG 118 0.333 -0.41 0.8
--.CRE.Z. 1992-05-29T00:11:25.00 10.0 undecidable manual PG 140 0.5772 -0.72 1.3
--.PGD.Z. 1992-05-29T00:11:25.00 10.0 undecidable manual SG 132 0.2664 0.79 0.5
--.PGD.Z. 1992-05-29T00:11:20.00 10.0 undecidable manual PG 132 0.2664 0.39 2
--.SFI.Z. 1992-05-29T00:11:20.00 10.0 undecidable manual PG 118 0.333 -0.89 1.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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