Earthquake with magnitude of Md 2.4 on date 28-05-1992 and time 17:32:19 (Italy) in region 6 km NE Firenzuola (FI)

A magnitude Md 2.4 earthquake occured in region: 6 km NE Firenzuola (FI), on

  • 28-05-1992 15:32:19 (UTC)
  • 28-05-1992 17:32:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.16, 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 6 4726 4726
Castel del Rio BO 9 1246 5972
Monghidoro BO 11 3749 9721
Palazzuolo sul Senio FI 11 1154 10875
Loiano BO 15 4294 15169
Fontanelice BO 15 1943 17112
San Benedetto Val di Sambro BO 17 4315 21427
Casola Valsenio RA 17 2617 24044
Marradi FI 18 3139 27183
Monzuno BO 18 6328 33511
Monterenzio BO 19 6035 39546
Borgo Tossignano BO 19 3288 42834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Imola (69797 inhabitants)
38 Km S of Bologna (386663 inhabitants)
39 Km W of Faenza (58541 inhabitants)
41 Km NE of Prato (191150 inhabitants)
45 Km NE of Firenze (382808 inhabitants)
48 Km NE of Pistoia (90315 inhabitants)
49 Km NE of Scandicci (50609 inhabitants)
50 Km W of Forlì (117913 inhabitants)
65 Km W of Cesena (96758 inhabitants)
67 Km SE of Modena (184973 inhabitants)
68 Km W of Ravenna (159116 inhabitants)
77 Km S of Ferrara (133155 inhabitants)
81 Km SE of Carpi (70699 inhabitants)
82 Km E of Lucca (89046 inhabitants)
85 Km NW of Arezzo (99543 inhabitants)
87 Km SE of Reggio nell'Emilia (171345 inhabitants)
92 Km W of Rimini (147750 inhabitants)
94 Km N of Siena (53903 inhabitants)
96 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 2.4
ML-VAX 1.9
1992-05-28
15:32:19
44.16 11.43 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 166299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-28 15:32:19 ± 0.193
Latitude 44.16 ± 0.02
Longitude 11.43 ± 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 166299

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) 1927.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00316
Epicentral distance of station farthest from the epicenter (degree) 0.02347
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 166299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:35:32

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 7
Type of magnitude ML
Reference to an origin 166299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FVI.Z. 1992-05-28T15:33:02.29 10.0 undecidable manual PN 21 0.0235 -0.39 0.7
--.ASS.Z. 1992-05-28T15:32:47.00 10.0 undecidable manual PN 140 0.0126 0.81 0.4
--.PII.Z. 1992-05-28T15:32:47.00 10.0 undecidable manual SG 236 0.007 -0.98 0.1
--.CRE.Z. 1992-05-28T15:32:44.00 10.0 undecidable manual SG 144 0.0059 -0.01 0.9
--.ARV.Z. 1992-05-28T15:32:44.50 10.0 undecidable manual PN 120 0.0115 0.13 1.7
--.BDI.Z. 1992-05-28T15:32:42.26 10.0 undecidable manual SG 261 0.0053 0.08 0.9
--.MME.Z. 1992-05-28T15:32:39.42 10.0 undecidable manual SG 274 0.0046 -0.15 0.8
--.GU9.Z. 1992-05-28T15:32:36.53 10.0 undecidable manual PG! 288 0.0056 3.23 0
--.PII.Z. 1992-05-28T15:32:36.00 10.0 undecidable manual PG 236 0.007 -0.15 2.1
--.SFI.Z. 1992-05-28T15:32:34.86 10.0 undecidable manual SG 130 0.0036 -0.5 0.4
--.CRE.Z. 1992-05-28T15:32:34.50 10.0 undecidable manual PG 144 0.0059 0.64 0.9
--.PGD.Z. 1992-05-28T15:32:33.89 10.0 undecidable manual SG 143 0.0032 0.12 0.9
--.BDI.Z. 1992-05-28T15:32:33.44 10.0 undecidable manual PG 261 0.0053 0.64 0.9
--.MME.Z. 1992-05-28T15:32:31.16 10.0 undecidable manual PG 274 0.0046 -0.13 2.1
--.SFI.Z. 1992-05-28T15:32:28.50 10.0 undecidable manual PG 130 0.0036 -0.36 1.5
--.PGD.Z. 1992-05-28T15:32:27.72 10.0 undecidable manual PG 143 0.0032 -0.23 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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