Earthquake with magnitude of Md 2.7 on date 28-05-1992 and time 11:43:11 (Italy) in region 8 km W Castel del Rio (BO)

A magnitude Md 2.7 earthquake occured in region: 8 km W Castel del Rio (BO), on

  • 28-05-1992 09:43:11 (UTC)
  • 28-05-1992 11:43:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2, 11.41 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 8 1246 1246
Monghidoro BO 8 3749 4995
Firenzuola FI 9 4726 9721
Loiano BO 11 4294 14015
Fontanelice BO 14 1943 15958
Monzuno BO 14 6328 22286
San Benedetto Val di Sambro BO 14 4315 26601
Palazzuolo sul Senio FI 14 1154 27755
Monterenzio BO 14 6035 33790
Borgo Tossignano BO 17 3288 37078
Casola Valsenio RA 17 2617 39695
Casalfiumanese BO 20 3438 43133

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Imola (69797 inhabitants)
34 Km S of Bologna (386663 inhabitants)
39 Km W of Faenza (58541 inhabitants)
43 Km NE of Prato (191150 inhabitants)
49 Km NE of Pistoia (90315 inhabitants)
49 Km N of Firenze (382808 inhabitants)
50 Km W of Forlì (117913 inhabitants)
52 Km NE of Scandicci (50609 inhabitants)
63 Km SE of Modena (184973 inhabitants)
67 Km W of Cesena (96758 inhabitants)
67 Km W of Ravenna (159116 inhabitants)
73 Km S of Ferrara (133155 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
83 Km E of Lucca (89046 inhabitants)
83 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
93 Km W of Rimini (147750 inhabitants)
97 Km NE of Pisa (89158 inhabitants)
98 Km N of Siena (53903 inhabitants)
100 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 2.7
ML-VAX 2.3
1992-05-28
09:43:11
44.2 11.41 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 165879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-28 09:43:11 ± 0.206
Latitude 44.20 ± 0.02
Longitude 11.41 ± 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 165879

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) 2239.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.02323
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 165879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:35:11

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 165879
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
--.ARV.Z. 1992-05-28T09:43:54.31 10.0 undecidable manual SN 121 0.0117 -0.3 0.6
--.FVI.Z. 1992-05-28T09:43:53.78 10.0 undecidable manual PN 21 0.0232 -0.19 1.1
--.AQU.Z. 1992-05-28T09:43:50.50 10.0 undecidable manual PN 141 0.021 -0.2 1.2
--.PII.Z. 1992-05-28T09:43:39.22 10.0 undecidable manual SG 233 0.0071 -0.89 0.2
--.BOB.Z. 1992-05-28T09:43:39.60 10.0 undecidable manual PN 293 0.0136 0.32 1.4
--.ARV.Z. 1992-05-28T09:43:37.24 10.0 undecidable manual PN 121 0.0117 0.77 0.7
--.CRE.Z. 1992-05-28T09:43:37.50 10.0 undecidable manual SG 146 0.0062 0.61 0.4
--.ASS.Z. 1992-05-28T09:43:37.50 10.0 undecidable manual PN 141 0.013 -0.89 0.4
--.BDI.Z. 1992-05-28T09:43:34.50 10.0 undecidable manual SG 257 0.0053 0.7 0.3
--.CRE.Z. 1992-05-28T09:43:27.00 10.0 undecidable manual PG 146 0.0062 0.76 0.8
--.PGD.Z. 1992-05-28T09:43:27.63 10.0 undecidable manual SG 145 0.0035 0.77 0.3
--.PII.Z. 1992-05-28T09:43:27.97 10.0 undecidable manual PG 233 0.0071 -0.13 2.1
--.SFI.Z. 1992-05-28T09:43:27.30 10.0 undecidable manual SG 133 0.0038 -1.01 0.1
--.BDI.Z. 1992-05-28T09:43:24.00 10.0 undecidable manual PG 257 0.0053 -0.45 1.5
--.MME.Z. 1992-05-28T09:43:23.60 10.0 undecidable manual PG 270 0.0045 0.27 1.9
--.SFI.Z. 1992-05-28T09:43:21.00 10.0 undecidable manual PG 133 0.0038 -0.29 1.8
--.PGD.Z. 1992-05-28T09:43:20.50 10.0 undecidable manual PG 145 0.0035 0.05 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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