Earthquake with magnitude of Md 2.1 on date 05-02-1986 and time 08:11:04 (Italy) in region 6 km S Bardi (PR)

A magnitude Md 2.1 earthquake occured in region: 6 km S Bardi (PR), on

  • 05-02-1986 07:11:04 (UTC)
  • 05-02-1986 08:11:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5850, 9.7460 at 21 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
Bardi PR 6 2227 2227
Borgo Val di Taro PR 11 6999 9226
Valmozzola PR 11 539 9765
Compiano PR 12 1112 10877
Varsi PR 12 1230 12107
Bedonia PR 13 3482 15589
Tornolo PR 15 1010 16599
Bore PR 16 749 17348
Morfasso PC 16 1024 18372
Albareto PR 16 2156 20528
Solignano PR 19 1773 22301
Farini PC 20 1290 23591

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km W of Parma (192836 inhabitants)
52 Km S of Piacenza (102191 inhabitants)
53 Km N of La Spezia (93959 inhabitants)
63 Km NW of Carrara (63133 inhabitants)
65 Km SW of Cremona (71901 inhabitants)
67 Km E of Genova (586655 inhabitants)
69 Km NW of Massa (69479 inhabitants)
71 Km W of Reggio nell'Emilia (171345 inhabitants)
81 Km SE of Pavia (72576 inhabitants)
89 Km NW of Viareggio (62467 inhabitants)
93 Km W of Carpi (70699 inhabitants)
94 Km W of Modena (184973 inhabitants)
96 Km E of Alessandria (93943 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 1986-02-05
07:11:04
44.585 9.746 21 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 22089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-05 07:11:04 ± 0.052
Latitude 44.5850 ± 0.0015
Longitude 9.7460 ± 0.0044
Depth (km) 21 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 22089

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) 385.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
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
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00283
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 22089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:24:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.VEA.-. 1986-02-05T07:11:17.60 10.0 undecidable manual SG 343 0.3108 0.03 0.5
--.BVT.-. 1986-02-05T07:11:12.60 10.0 undecidable manual SG 155 0.1221 -0.03 0.6
--.VEA.-. 1986-02-05T07:11:12.10 10.0 undecidable manual PG 343 0.3108 -0.03 1.2
--.CO9.Z. 1986-02-05T07:11:11.50 10.0 undecidable manual PG 310 0.2775 0 1.3
--.BVT.-. 1986-02-05T07:11:09.30 10.0 positive manual PG 155 0.1221 0.02 1.4
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