Earthquake with magnitude of Md 2.4 on date 12-07-1986 and time 04:34:25 (UTC) in region 8 km W Ventasso (RE)

A magnitude Md 2.4 earthquake occured in region: 8 km W Ventasso (RE), on

  • 12-07-1986 04:34:25 (UTC)
  • 12-07-1986 06:34:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3360, 10.2400 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
Ventasso RE 8 4295 4295
Comano MS 9 714 5009
Palanzano PR 12 1142 6151
Monchio delle Corti PR 13 933 7084
Sillano Giuncugnano LU 13 1085 8169
Fivizzano MS 14 7925 16094
Casola in Lunigiana MS 16 988 17082
Castelnovo ne' Monti RE 17 10465 27547
Piazza al Serchio LU 18 2367 29914
Licciana Nardi MS 18 4949 34863
Vetto RE 18 1860 36723
Villa Minozzo RE 19 3750 40473
Minucciano LU 19 2102 42575
Bagnone MS 20 1887 44462
Corniglio PR 20 1936 46398

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Carrara (63133 inhabitants)
34 Km N of Massa (69479 inhabitants)
41 Km NE of La Spezia (93959 inhabitants)
51 Km SW of Reggio nell'Emilia (171345 inhabitants)
52 Km N of Viareggio (62467 inhabitants)
52 Km S of Parma (192836 inhabitants)
59 Km NW of Lucca (89046 inhabitants)
65 Km SW of Modena (184973 inhabitants)
70 Km N of Pisa (89158 inhabitants)
70 Km NW of Pistoia (90315 inhabitants)
71 Km SW of Carpi (70699 inhabitants)
85 Km NW of Prato (191150 inhabitants)
87 Km N of Livorno (159219 inhabitants)
89 Km W of Bologna (386663 inhabitants)
90 Km S of Cremona (71901 inhabitants)
91 Km SE of Piacenza (102191 inhabitants)
99 Km NW of Scandicci (50609 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 2.4 1986-07-12
04:34:25
44.336 10.24 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 30889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-07-12 04:34:25 ± 0.446
Latitude 44.3360 ± 0.0265
Longitude 10.2400 ± 0.0636
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30889

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) 5858.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.01158
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 30889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:32:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SAL.Z. 1986-07-12T04:34:50.00 10.0 undecidable manual PN 9 1.2876 0.25 1.2
--.PS9.Z. 1986-07-12T04:34:50.00 10.0 undecidable manual SG 161 0.6327 1.1 0.1
--.BDI.Z. 1986-07-12T04:34:40.00 10.0 undecidable manual SG 137 0.3663 0.23 1.1
--.PS9.Z. 1986-07-12T04:34:38.50 10.0 undecidable manual PG 161 0.6327 -0.41 1.5
--.BDI.Z. 1986-07-12T04:34:33.00 10.0 undecidable manual PG 137 0.3663 -0.63 1
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