Earthquake with magnitude of Md 2.5 on date 12-08-1992 and time 01:15:34 (Italy) in region 8 km E Monterenzio (BO)

A magnitude Md 2.5 earthquake occured in region: 8 km E Monterenzio (BO), on

  • 11-08-1992 23:15:34 (UTC)
  • 12-08-1992 01:15:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3340, 11.5070 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
Monterenzio BO 8 6035 6035
Borgo Tossignano BO 9 3288 9323
Fontanelice BO 9 1943 11266
Casalfiumanese BO 10 3438 14704
Castel San Pietro Terme BO 10 20811 35515
Dozza BO 10 6652 42167
Ozzano dell'Emilia BO 13 13596 55763
Castel del Rio BO 13 1246 57009
Pianoro BO 14 17460 74469
Casola Valsenio RA 15 2617 77086
Loiano BO 16 4294 81380
Imola BO 17 69797 151177
San Lazzaro di Savena BO 17 32065 183242
Castel Guelfo di Bologna BO 18 4455 187697
Riolo Terme RA 19 5720 193417
Medicina BO 19 16739 210156
Monghidoro BO 20 3749 213905
Monzuno BO 20 6328 220233
Castenaso BO 20 14925 235158

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Imola (69797 inhabitants)
22 Km SE of Bologna (386663 inhabitants)
30 Km W of Faenza (58541 inhabitants)
44 Km W of Forlì (117913 inhabitants)
56 Km W of Ravenna (159116 inhabitants)
57 Km S of Ferrara (133155 inhabitants)
58 Km SE of Modena (184973 inhabitants)
60 Km NE of Prato (191150 inhabitants)
63 Km W of Cesena (96758 inhabitants)
65 Km NE of Pistoia (90315 inhabitants)
66 Km NE of Firenze (382808 inhabitants)
69 Km NE of Scandicci (50609 inhabitants)
70 Km SE of Carpi (70699 inhabitants)
80 Km SE of Reggio nell'Emilia (171345 inhabitants)
85 Km S of Rovigo (51867 inhabitants)
90 Km W of Rimini (147750 inhabitants)
97 Km NE of Lucca (89046 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 2.5
ML-VAX 1.6
1992-08-11
23:15:34
44.334 11.507 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 171559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-08-11 23:15:34 ± 0.137
Latitude 44.3340 ± 0.0095
Longitude 11.5070 ± 0.0103
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 171559

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) 1340.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.00429
Epicentral distance of station farthest from the epicenter (degree) 0.02186
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 8
Type of magnitude Md
Reference to an origin 171559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:40:24

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 10
Type of magnitude ML
Reference to an origin 171559
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
--.CTI.Z. 1992-08-11T23:16:27.56 10.0 undecidable manual SN 3 1.7094 -0.04 0.6
--.FVI.Z. 1992-08-11T23:16:15.15 10.0 undecidable manual PN 21 2.4309 0.01 1.3
--.PII.Z. 1992-08-11T23:16:08.10 10.0 undecidable manual SG 229 0.9213 0.26 0.7
--.CTI.Z. 1992-08-11T23:16:04.96 10.0 undecidable manual PN 3 1.7094 -0.39 1.1
--.CRE.Z. 1992-08-11T23:16:03.50 10.0 undecidable manual SG 155 0.777 0.58 0.3
--.RSM.Z. 1992-08-11T23:16:03.89 10.0 undecidable manual SG 120 0.777 0.73 0.2
--.ASS.Z. 1992-08-11T23:16:02.84 10.0 undecidable manual PN 146 1.5096 0.23 1.5
--.BDI.Z. 1992-08-11T23:16:00.51 10.0 undecidable manual SG 247 0.6993 0.01 0.9
--.GU9.Z. 1992-08-11T23:15:58.57 10.0 undecidable manual SG 271 0.6549 -0.36 0.7
--.MME.Z. 1992-08-11T23:15:57.61 10.0 undecidable manual SG 256 0.5883 0.7 0.3
--.PII.Z. 1992-08-11T23:15:53.70 10.0 undecidable manual PG 229 0.9213 -0.88 0.4
--.PGD.Z. 1992-08-11T23:15:52.62 10.0 undecidable manual SG 161 0.4773 -0.73 0.3
--.RSM.Z. 1992-08-11T23:15:51.65 10.0 undecidable manual PG 120 0.777 0.41 1.5
--.CRE.Z. 1992-08-11T23:15:50.45 10.0 undecidable manual PG 155 0.777 -0.66 0.9
--.GU9.Z. 1992-08-11T23:15:49.45 10.0 undecidable manual PG 271 0.6549 0.66 0.8
--.BDI.Z. 1992-08-11T23:15:49.69 10.0 undecidable manual PG 247 0.6993 -0.02 2.2
--.MME.Z. 1992-08-11T23:15:47.72 10.0 undecidable manual PG 256 0.5883 0.09 2.2
--.PGD.Z. 1992-08-11T23:15:45.35 10.0 undecidable manual PG 161 0.4773 -0.23 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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