Earthquake with magnitude of Md 2.1 on date 12-02-1992 and time 07:00:17 (UTC) in region 2 km E San Benedetto Val di Sambro (BO)

A magnitude Md 2.1 earthquake occured in region: 2 km E San Benedetto Val di Sambro (BO), on

  • 12-02-1992 07:00:17 (UTC)
  • 12-02-1992 08:00:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2220, 11.2630 at 10 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
San Benedetto Val di Sambro BO 2 4315 4315
Monghidoro BO 4 3749 8064
Monzuno BO 6 6328 14392
Loiano BO 7 4294 18686
Grizzana Morandi BO 10 3916 22602
Castiglione dei Pepoli BO 12 5648 28250
Vergato BO 14 7639 35889
Marzabotto BO 14 6779 42668
Firenzuola FI 15 4726 47394
Camugnano BO 15 1885 49279
Monterenzio BO 16 6035 55314
Castel di Casio BO 19 3448 58762
Castel del Rio BO 19 1246 60008
Sasso Marconi BO 19 14735 74743
Pianoro BO 19 17460 92203

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km S of Bologna (386663 inhabitants)
39 Km W of Imola (69797 inhabitants)
40 Km NE of Prato (191150 inhabitants)
42 Km NE of Pistoia (90315 inhabitants)
50 Km W of Faenza (58541 inhabitants)
50 Km N of Firenze (382808 inhabitants)
52 Km N of Scandicci (50609 inhabitants)
54 Km SE of Modena (184973 inhabitants)
62 Km W of Forlì (117913 inhabitants)
69 Km SE of Carpi (70699 inhabitants)
73 Km SE of Reggio nell'Emilia (171345 inhabitants)
74 Km NE of Lucca (89046 inhabitants)
74 Km SW of Ferrara (133155 inhabitants)
78 Km W of Ravenna (159116 inhabitants)
79 Km W of Cesena (96758 inhabitants)
89 Km NE of Pisa (89158 inhabitants)
90 Km E of Viareggio (62467 inhabitants)
92 Km E of Massa (69479 inhabitants)
94 Km E of Carrara (63133 inhabitants)
98 Km NW of Arezzo (99543 inhabitants)
98 Km SE of Parma (192836 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 2.1
ML-VAX 1.9
1992-02-12
07:00:17
44.222 11.263 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 158839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-02-12 07:00:17 ± 0.579
Latitude 44.2220 ± 0.0499
Longitude 11.2630 ± 0.0259
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 158839

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) 5922.3
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 7
Number of defining phases 7
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) 0.00356
Epicentral distance of station farthest from the epicenter (degree) 0.00656
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 158839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:28:24

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 158839
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. 1992-02-12T07:00:43.60 10.0 undecidable manual SG 226 0.7326 0.44 0.5
--.BDI.Z. 1992-02-12T07:00:33.86 10.0 undecidable manual SG 251 0.4995 -1.49 0.1
--.MME.Z. 1992-02-12T07:00:32.88 10.0 undecidable manual SG 265 0.3996 0.72 0.4
--.PII.Z. 1992-02-12T07:00:32.43 10.0 undecidable manual PG 226 0.7326 0.52 1.2
--.SFI.Z. 1992-02-12T07:00:28.00 10.0 undecidable manual PG 126 0.5217 -0.14 2
--.BDI.Z. 1992-02-12T07:00:27.10 10.0 undecidable manual PG 251 0.4995 -0.7 1.1
--.MME.Z. 1992-02-12T07:00:26.30 10.0 undecidable manual PG 265 0.3996 0.43 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download