Earthquake with magnitude of Md 2.1 on date 28-05-1992 and time 14:16:56 (Italy) in region 7 km SW Castel del Rio (BO)

A magnitude Md 2.1 earthquake occured in region: 7 km SW Castel del Rio (BO), on

  • 28-05-1992 12:16:56 (UTC)
  • 28-05-1992 14:16:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.18, 11.43 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
Castel del Rio BO 7 1246 1246
Firenzuola FI 8 4726 5972
Monghidoro BO 10 3749 9721
Palazzuolo sul Senio FI 12 1154 10875
Fontanelice BO 13 1943 12818
Loiano BO 14 4294 17112
Casola Valsenio RA 16 2617 19729
San Benedetto Val di Sambro BO 17 4315 24044
Monterenzio BO 17 6035 30079
Borgo Tossignano BO 17 3288 33367
Monzuno BO 17 6328 39695
Marradi FI 18 3139 42834
Casalfiumanese BO 20 3438 46272

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Imola (69797 inhabitants)
36 Km S of Bologna (386663 inhabitants)
38 Km W of Faenza (58541 inhabitants)
43 Km NE of Prato (191150 inhabitants)
48 Km NE of Firenze (382808 inhabitants)
49 Km W of Forlì (117913 inhabitants)
49 Km NE of Pistoia (90315 inhabitants)
51 Km NE of Scandicci (50609 inhabitants)
65 Km W of Cesena (96758 inhabitants)
66 Km SE of Modena (184973 inhabitants)
67 Km W of Ravenna (159116 inhabitants)
75 Km S of Ferrara (133155 inhabitants)
80 Km SE of Carpi (70699 inhabitants)
83 Km E of Lucca (89046 inhabitants)
86 Km SE of Reggio nell'Emilia (171345 inhabitants)
87 Km NW of Arezzo (99543 inhabitants)
91 Km W of Rimini (147750 inhabitants)
96 Km N of Siena (53903 inhabitants)
97 Km NE 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
Rev 1000 Md 2.1 1992-05-28
12:16:56
44.18 11.43 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 166009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-28 12:16:56 ± 0.556
Latitude 44.18 ± 0.05
Longitude 11.43 ± 0.03
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 166009

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) 5646.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.00599
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 166009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:35:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CRE.Z. 1992-05-28T12:17:21.79 10.0 undecidable manual SG 146 0.006 1.32 0
--.BDI.Z. 1992-05-28T12:17:18.92 10.0 undecidable manual SG 259 0.0054 0.34 0.6
--.MME.Z. 1992-05-28T12:17:15.52 10.0 undecidable manual SG 272 0.0047 -0.32 0.6
--.SFI.Z. 1992-05-28T12:17:11.50 10.0 undecidable manual SG 132 0.0036 -0.23 0.7
--.CRE.Z. 1992-05-28T12:17:09.63 10.0 undecidable manual PG 146 0.006 -0.53 0.9
--.PGD.Z. 1992-05-28T12:17:09.73 10.0 undecidable manual SG 145 0.0032 -0.55 0.4
--.BDI.Z. 1992-05-28T12:17:08.86 10.0 undecidable manual PG 259 0.0054 -0.21 1.7
--.MME.Z. 1992-05-28T12:17:07.75 10.0 undecidable manual PG 272 0.0047 0.26 1.7
--.SFI.Z. 1992-05-28T12:17:05.50 10.0 undecidable manual PG 132 0.0036 0.38 1.4
--.PGD.Z. 1992-05-28T12:17:04.15 10.0 undecidable manual PG 145 0.0032 -0.13 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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