Earthquake with magnitude of Md 2.3 on date 12-08-1992 and time 02:15:05 (Italy) in region 6 km NW Castel del Rio (BO)

A magnitude Md 2.3 earthquake occured in region: 6 km NW Castel del Rio (BO), on

  • 12-08-1992 00:15:05 (UTC)
  • 12-08-1992 02:15:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2520, 11.4590 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 6 1246 1246
Fontanelice BO 8 1943 3189
Monterenzio BO 9 6035 9224
Borgo Tossignano BO 11 3288 12512
Loiano BO 11 4294 16806
Monghidoro BO 12 3749 20555
Casola Valsenio RA 14 2617 23172
Casalfiumanese BO 14 3438 26610
Monzuno BO 15 6328 32938
Firenzuola FI 16 4726 37664
Palazzuolo sul Senio FI 17 1154 38818
Pianoro BO 18 17460 56278
Dozza BO 18 6652 62930
San Benedetto Val di Sambro BO 18 4315 67245
Castel San Pietro Terme BO 19 20811 88056

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of Imola (69797 inhabitants)
29 Km SE of Bologna (386663 inhabitants)
34 Km W of Faenza (58541 inhabitants)
47 Km W of Forlì (117913 inhabitants)
50 Km NE of Prato (191150 inhabitants)
56 Km NE of Pistoia (90315 inhabitants)
56 Km NE of Firenze (382808 inhabitants)
59 Km NE of Scandicci (50609 inhabitants)
61 Km SE of Modena (184973 inhabitants)
62 Km W of Ravenna (159116 inhabitants)
64 Km W of Cesena (96758 inhabitants)
66 Km S of Ferrara (133155 inhabitants)
75 Km SE of Carpi (70699 inhabitants)
82 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km NE of Lucca (89046 inhabitants)
91 Km W of Rimini (147750 inhabitants)
94 Km NW of Arezzo (99543 inhabitants)
95 Km S of Rovigo (51867 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 1992-08-12
00:15:05
44.252 11.459 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 171579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-08-12 00:15:05 ± 0.323
Latitude 44.2520 ± 0.0215
Longitude 11.4590 ± 0.0194
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 171579

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) 2845.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.01619
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 171579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:40:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1992-08-12T00:15:37.13 10.0 undecidable manual PN 4 1.7982 0.28 1.2
--.PII.Z. 1992-08-12T00:15:34.95 10.0 undecidable manual SG 232 0.8547 -0.72 0.5
--.RSM.Z. 1992-08-12T00:15:34.66 10.0 undecidable manual SG 114 0.777 1.39 0.1
--.CRE.Z. 1992-08-12T00:15:33.10 10.0 undecidable manual SG 150 0.7215 1.6 0.1
--.BDI.Z. 1992-08-12T00:15:28.52 10.0 undecidable manual SG 253 0.6327 -0.41 0.7
--.MME.Z. 1992-08-12T00:15:25.87 10.0 undecidable manual SG 264 0.5439 0.14 0.8
--.PII.Z. 1992-08-12T00:15:23.90 10.0 undecidable manual PG 232 0.8547 1.06 0.7
--.PGD.Z. 1992-08-12T00:15:21.87 10.0 undecidable manual SG 153 0.4107 0.28 0.8
--.RSM.Z. 1992-08-12T00:15:20.64 10.0 undecidable manual PG 114 0.777 -0.81 1.1
--.CRE.Z. 1992-08-12T00:15:19.78 10.0 undecidable manual PG 150 0.7215 -0.6 1.5
--.BDI.Z. 1992-08-12T00:15:18.89 10.0 undecidable manual PG 253 0.6327 -0.06 2.1
--.MME.Z. 1992-08-12T00:15:17.20 10.0 undecidable manual PG 264 0.5439 -0.08 2.1
--.PGD.Z. 1992-08-12T00:15:13.99 10.0 undecidable manual PG 153 0.4107 -0.72 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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