Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 15-02-1986 and time 23:13:18 (Italy) in region 5 km W Bardi (PR)

A magnitude Md 2.4 earthquake occured in region: 5 km W Bardi (PR), on

  • 15-02-1986 22:13:18 (UTC)
  • 15-02-1986 23:13:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6110, 9.6730 at 7 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.

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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 5 2227 2227
Bedonia PR 12 3482 5709
Morfasso PC 13 1024 6733
Compiano PR 13 1112 7845
Farini PC 14 1290 9135
Ferriere PC 14 1294 10429
Tornolo PR 14 1010 11439
Varsi PR 15 1230 12669
Borgo Val di Taro PR 16 6999 19668
Bore PR 16 749 20417
Valmozzola PR 18 539 20956
Albareto PR 18 2156 23112
Santo Stefano d'Aveto GE 19 1126 24238
Bettola PC 19 2828 27066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km S of Piacenza (102191 inhabitants)
56 Km W of Parma (192836 inhabitants)
57 Km N of La Spezia (93959 inhabitants)
63 Km E of Genova (586655 inhabitants)
65 Km SW of Cremona (71901 inhabitants)
68 Km NW of Carrara (63133 inhabitants)
74 Km NW of Massa (69479 inhabitants)
76 Km SE of Pavia (72576 inhabitants)
76 Km W of Reggio nell'Emilia (171345 inhabitants)
90 Km E of Alessandria (93943 inhabitants)
95 Km NW of Viareggio (62467 inhabitants)
98 Km W of Carpi (70699 inhabitants)
99 Km W of Modena (184973 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 1986-02-15
22:13:18		 44.611 9.673 7 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 22729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-15 22:13:18 ± 0.257
Latitude 44.6110 ± 0.0133
Longitude 9.6730 ± 0.0190
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 22729

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) 2114.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.01797
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 22729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:24:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1986-02-15T22:14:15.50 10.0 undecidable manual SN 43 1.998 -1.4 0.1
--.VAI.Z. 1986-02-15T22:14:04.00 10.0 undecidable manual SN 333 1.3986 1.16 0.2
--.FIN.-. 1986-02-15T22:13:54.90 10.0 undecidable manual SN 249 1.11 -1.14 0.2
--.PS9.Z. 1986-02-15T22:13:54.00 10.0 undecidable manual SN 145 1.0656 -1.04 0.3
--.CTI.Z. 1986-02-15T22:13:52.00 10.0 undecidable manual PN 43 1.998 -0.06 1.3
--.BDI.Z. 1986-02-15T22:13:48.00 10.0 undecidable manual SG 129 0.8547 -0.15 0.8
--.VAI.Z. 1986-02-15T22:13:43.50 10.0 undecidable manual PN 333 1.3986 -0.44 1.4
--.MDI.Z. 1986-02-15T22:13:41.00 10.0 undecidable manual PN 1 1.1544 0.36 1.6
--.SAL.Z. 1986-02-15T22:13:41.00 10.0 undecidable manual PN 30 1.1544 0.39 1.6
--.PS9.Z. 1986-02-15T22:13:39.50 10.0 undecidable manual PN 145 1.0656 0.06 1.9
--.FIN.-. 1986-02-15T22:13:39.50 10.0 undecidable manual PN 249 1.11 -0.52 1.4
--.GEN.-. 1986-02-15T22:13:38.50 10.0 undecidable manual SG 250 0.5439 0.02 0.8
--.BDI.Z. 1986-02-15T22:13:36.80 10.0 undecidable manual PG 129 0.8547 1.34 0.3
--.GEN.-. 1986-02-15T22:13:30.90 10.0 undecidable manual PG 250 0.5439 1.02 0.7
--.VEA.-. 1986-02-15T22:13:30.00 10.0 undecidable manual SG 352 0.2775 0.79 0.4
--.CO9.Z. 1986-02-15T22:13:27.00 10.0 undecidable manual SG 314 0.2109 -0.06 1.3
--.VEA.-. 1986-02-15T22:13:23.90 10.0 positive manual PG 352 0.2775 -0.63 1.4
--.CO9.Z. 1986-02-15T22:13:23.00 10.0 undecidable manual PG 314 0.2109 -0.29 1.9
--.BVT.-. 1986-02-15T22:13:21.50 10.0 positive manual PG 143 0.1665 -0.67 1.3
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