Earthquake with magnitude of Md 2.0 on date 27-05-1992 and time 22:13:33 (Italy) in region 5 km NE Firenzuola (FI)

A magnitude Md 2.0 earthquake occured in region: 5 km NE Firenzuola (FI), on

  • 27-05-1992 20:13:33 (UTC)
  • 27-05-1992 22:13:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.15, 11.42 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 5 4726 4726
Castel del Rio BO 10 1246 5972
Palazzuolo sul Senio FI 11 1154 7126
Monghidoro BO 12 3749 10875
Loiano BO 16 4294 15169
Fontanelice BO 17 1943 17112
San Benedetto Val di Sambro BO 17 4315 21427
Marradi FI 17 3139 24566
Casola Valsenio RA 18 2617 27183
Monzuno BO 19 6328 33511
Borgo Tossignano BO 20 3288 36799

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Imola (69797 inhabitants)
39 Km NE of Prato (191150 inhabitants)
39 Km S of Bologna (386663 inhabitants)
40 Km W of Faenza (58541 inhabitants)
44 Km NE of Firenze (382808 inhabitants)
47 Km NE of Pistoia (90315 inhabitants)
47 Km NE of Scandicci (50609 inhabitants)
50 Km W of Forlì (117913 inhabitants)
66 Km W of Cesena (96758 inhabitants)
68 Km SE of Modena (184973 inhabitants)
69 Km W of Ravenna (159116 inhabitants)
78 Km S of Ferrara (133155 inhabitants)
81 Km E of Lucca (89046 inhabitants)
83 Km SE of Carpi (70699 inhabitants)
84 Km NW of Arezzo (99543 inhabitants)
88 Km SE of Reggio nell'Emilia (171345 inhabitants)
92 Km W of Rimini (147750 inhabitants)
92 Km N of Siena (53903 inhabitants)
95 Km NE of Pisa (89158 inhabitants)
99 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
Rev 1000 Md 2.0 1992-05-27
20:13:33
44.15 11.42 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 165689
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-27 20:13:33 ± 0.379
Latitude 44.15 ± 0.03
Longitude 11.42 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 165689

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) 3585.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00696
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 165689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:35:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PII.Z. 1992-05-27T20:14:00.65 10.0 undecidable manual SG 237 0.007 -0.77 0.2
--.CRE.Z. 1992-05-27T20:13:57.50 10.0 undecidable manual SG 144 0.0058 0.06 0.8
--.BDI.Z. 1992-05-27T20:13:55.32 10.0 undecidable manual SG 262 0.0053 -0.47 0.5
--.MME.Z. 1992-05-27T20:13:53.29 10.0 undecidable manual SG 275 0.0046 0.02 0.8
--.PII.Z. 1992-05-27T20:13:50.20 10.0 undecidable manual PG 237 0.007 0.31 1.4
--.SFI.Z. 1992-05-27T20:13:48.42 10.0 undecidable manual SG 128 0.0035 -0.41 0.6
--.PGD.Z. 1992-05-27T20:13:47.24 10.0 undecidable manual SG 141 0.0031 0.09 0.8
--.CRE.Z. 1992-05-27T20:13:47.50 10.0 undecidable manual PG 144 0.0058 0.09 1.9
--.BDI.Z. 1992-05-27T20:13:46.64 10.0 undecidable manual PG 262 0.0053 0.19 1.9
--.MME.Z. 1992-05-27T20:13:44.99 10.0 undecidable manual PG 275 0.0046 -0.02 2.1
--.PGD.Z. 1992-05-27T20:13:42.38 10.0 undecidable manual PG 141 0.0031 0.91 0.4
--.SFI.Z. 1992-05-27T20:13:41.52 10.0 undecidable manual PG 128 0.0035 -0.91 0.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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