Earthquake with magnitude of Md 2.3 on date 12-07-1986 and time 06:33:35 (Italy) in region 5 km S Vetto (RE)

A magnitude Md 2.3 earthquake occured in region: 5 km S Vetto (RE), on

  • 12-07-1986 04:33:35 (UTC)
  • 12-07-1986 06:33:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4450, 10.3270 at 8 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
Vetto RE 5 1860 1860
Castelnovo ne' Monti RE 6 10465 12325
Ventasso RE 8 4295 16620
Palanzano PR 11 1142 17762
Tizzano Val Parma PR 13 2077 19839
Villa Minozzo RE 14 3750 23589
Carpineti RE 15 4064 27653
Neviano degli Arduini PR 16 3649 31302
Casina RE 16 4504 35806
Monchio delle Corti PR 17 933 36739
Canossa RE 18 3844 40583
Corniglio PR 19 1936 42519
Langhirano PR 20 10315 52834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Reggio nell'Emilia (171345 inhabitants)
40 Km S of Parma (192836 inhabitants)
45 Km NE of Carrara (63133 inhabitants)
48 Km NE of Massa (69479 inhabitants)
53 Km W of Modena (184973 inhabitants)
55 Km NE of La Spezia (93959 inhabitants)
58 Km SW of Carpi (70699 inhabitants)
65 Km N of Viareggio (62467 inhabitants)
68 Km N of Lucca (89046 inhabitants)
74 Km NW of Pistoia (90315 inhabitants)
80 Km SE of Cremona (71901 inhabitants)
81 Km W of Bologna (386663 inhabitants)
81 Km N of Pisa (89158 inhabitants)
84 Km SE of Piacenza (102191 inhabitants)
88 Km NW of Prato (191150 inhabitants)
99 Km N 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
Bulletin
Rev1000
Md 2.3 1986-07-12
04:33:35
44.445 10.327 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 30879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-07-12 04:33:35 ± 0.374
Latitude 44.4450 ± 0.0086
Longitude 10.3270 ± 0.0444
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30879

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) 3649.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00380
Epicentral distance of station farthest from the epicenter (degree) 0.01668
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 30879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:32:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1986-07-12T04:34:08.00 10.0 undecidable manual PN 29 1.8537 0.33 0.3
--.PS9.Z. 1986-07-12T04:34:02.00 10.0 undecidable manual SG 169 0.7326 0.17 0.5
--.SAL.Z. 1986-07-12T04:33:58.00 10.0 undecidable manual PN 7 1.1655 -0.3 0.5
--.BDI.Z. 1986-07-12T04:33:51.80 10.0 undecidable manual SG 153 0.4218 -0.13 0.8
--.PS9.Z. 1986-07-12T04:33:51.00 10.0 undecidable manual PG 169 0.7326 0.18 1.1
--.BDI.Z. 1986-07-12T04:33:45.00 10.0 negative manual PG 153 0.4218 -0.11 2.8
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