Earthquake with magnitude of Md 2.4 on date 09-08-1992 and time 03:28:48 (Italy) in region 2 km SE Castiglione dei Pepoli (BO)

A magnitude Md 2.4 earthquake occured in region: 2 km SE Castiglione dei Pepoli (BO), on

  • 09-08-1992 01:28:48 (UTC)
  • 09-08-1992 03:28:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.12, 11.17 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
Castiglione dei Pepoli BO 3 5648 5648
Vernio PO 8 6060 11708
Camugnano BO 8 1885 13593
Cantagallo PO 12 3105 16698
Castel di Casio BO 12 3448 20146
San Benedetto Val di Sambro BO 12 4315 24461
Sambuca Pistoiese PT 14 1626 26087
Barberino di Mugello FI 15 10836 36923
Grizzana Morandi BO 15 3916 40839
Alto Reno Terme BO 16 6960 47799
Monghidoro BO 16 3749 51548
Firenzuola FI 17 4726 56274
Vaiano PO 17 9895 66169
Vergato BO 19 7639 73808
Monzuno BO 19 6328 80136

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of Prato (191150 inhabitants)
29 Km NE of Pistoia (90315 inhabitants)
40 Km N of Firenze (382808 inhabitants)
41 Km N of Scandicci (50609 inhabitants)
44 Km SW of Bologna (386663 inhabitants)
51 Km SW of Imola (69797 inhabitants)
60 Km W of Faenza (58541 inhabitants)
61 Km SE of Modena (184973 inhabitants)
62 Km NE of Lucca (89046 inhabitants)
70 Km W of Forlì (117913 inhabitants)
76 Km NE of Pisa (89158 inhabitants)
77 Km SE of Carpi (70699 inhabitants)
77 Km SE of Reggio nell'Emilia (171345 inhabitants)
79 Km E of Viareggio (62467 inhabitants)
83 Km E of Massa (69479 inhabitants)
86 Km W of Cesena (96758 inhabitants)
86 Km E of Carrara (63133 inhabitants)
87 Km SW of Ferrara (133155 inhabitants)
88 Km W of Ravenna (159116 inhabitants)
90 Km N of Siena (53903 inhabitants)
93 Km NW of Arezzo (99543 inhabitants)
94 Km NE of Livorno (159219 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 2.4 1992-08-09
01:28:48
44.12 11.17 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 171409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-08-09 01:28:48 ± 0.421
Latitude 44.12 ± 0.04
Longitude 11.17 ± 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 171409

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) 4767.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.0055
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 171409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:40:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PII.Z. 1992-08-09T01:29:09.46 10.0 undecidable manual SG 229 0.0055 -1.3 0.2
--.GU9.Z. 1992-08-09T01:29:05.38 10.0 undecidable manual SG 298 0.0042 -0.9 0.4
--.PGD.Z. 1992-08-09T01:29:04.55 10.0 undecidable manual SG 121 0.0041 -1.49 0.1
--.BDI.Z. 1992-08-09T01:29:03.79 10.0 undecidable manual SG 261 0.0037 -0.48 0.7
--.PII.Z. 1992-08-09T01:29:02.25 10.0 undecidable manual PG 229 0.0055 1.04 0.7
--.GU9.Z. 1992-08-09T01:28:58.59 10.0 undecidable manual PG 298 0.0042 -0.03 2.1
--.PGD.Z. 1992-08-09T01:28:58.85 10.0 undecidable manual PG 121 0.0041 0.37 1.8
--.BDI.Z. 1992-08-09T01:28:57.72 10.0 undecidable manual PG 261 0.0037 0.26 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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