Earthquake with magnitude of Md 2.3 on date 28-05-1992 and time 17:20:59 (Italy) in region 5 km W Palazzuolo sul Senio (FI)

A magnitude Md 2.3 earthquake occured in region: 5 km W Palazzuolo sul Senio (FI), on

  • 28-05-1992 15:20:59 (UTC)
  • 28-05-1992 17:20:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1320, 11.4860 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
Palazzuolo sul Senio FI 5 1154 1154
Firenzuola FI 9 4726 5880
Castel del Rio BO 9 1246 7126
Marradi FI 12 3139 10265
Casola Valsenio RA 15 2617 12882
Fontanelice BO 15 1943 14825
Monghidoro BO 17 3749 18574
Borgo Tossignano BO 18 3288 21862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Imola (69797 inhabitants)
36 Km W of Faenza (58541 inhabitants)
42 Km NE of Prato (191150 inhabitants)
42 Km S of Bologna (386663 inhabitants)
44 Km NE of Firenze (382808 inhabitants)
46 Km W of Forlì (117913 inhabitants)
48 Km NE of Scandicci (50609 inhabitants)
50 Km E of Pistoia (90315 inhabitants)
60 Km W of Cesena (96758 inhabitants)
65 Km W of Ravenna (159116 inhabitants)
73 Km SE of Modena (184973 inhabitants)
79 Km S of Ferrara (133155 inhabitants)
81 Km NW of Arezzo (99543 inhabitants)
85 Km E of Lucca (89046 inhabitants)
87 Km W of Rimini (147750 inhabitants)
87 Km SE of Carpi (70699 inhabitants)
91 Km N of Siena (53903 inhabitants)
93 Km SE of Reggio nell'Emilia (171345 inhabitants)
98 Km E of Pisa (89158 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
ML-VAX 1.5
1992-05-28
15:20:59
44.132 11.486 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 166289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-28 15:20:59 ± 0.341
Latitude 44.1320 ± 0.0237
Longitude 11.4860 ± 0.0172
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 166289

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) 2974.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00720
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 166289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:35:32

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 166289
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(km) Takeoff_angle Residual Weight
--.PII.Z. 1992-05-28T15:21:28.50 10.0 undecidable manual SG 239 0.7992 -0.04 0.6
--.CRE.Z. 1992-05-28T15:21:22.69 10.0 undecidable manual SG 146 0.6105 0.36 0.6
--.BDI.Z. 1992-05-28T15:21:22.82 10.0 undecidable manual SG 264 0.6327 -0.47 0.2
--.MME.Z. 1992-05-28T15:21:20.85 10.0 undecidable manual SG 276 0.5661 -0.03 0.6
--.PII.Z. 1992-05-28T15:21:16.50 10.0 undecidable manual PG 239 0.7992 0.1 1.6
--.BDI.Z. 1992-05-28T15:21:14.84 10.0 undecidable manual PG 264 0.6327 1.47 0.1
--.SFI.Z. 1992-05-28T15:21:13.43 10.0 undecidable manual SG 131 0.3441 0.18 0.7
--.CRE.Z. 1992-05-28T15:21:12.71 10.0 undecidable manual PG 146 0.6105 -0.11 1.7
--.MME.Z. 1992-05-28T15:21:11.89 10.0 undecidable manual PG 276 0.5661 -0.09 1.5
--.PGD.Z. 1992-05-28T15:21:11.83 10.0 undecidable manual SG 146 0.3108 0.04 0.8
--.SFI.Z. 1992-05-28T15:21:07.30 10.0 undecidable manual PG 131 0.3441 -0.27 1.5
--.PGD.Z. 1992-05-28T15:21:06.71 10.0 undecidable manual PG 146 0.3108 -0.02 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download