Earthquake with magnitude of Md 2.3 on date 19-08-1985 and time 01:03:54 (Italy) in region 7 km W Bardi (PR)

A magnitude Md 2.3 earthquake occured in region: 7 km W Bardi (PR), on

  • 18-08-1985 23:03:54 (UTC)
  • 19-08-1985 01:03:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.61, 9.66 at 10 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 7 2227 2227
Bedonia PR 12 3482 5709
Compiano PR 12 1112 6821
Morfasso PC 13 1024 7845
Ferriere PC 13 1294 9139
Farini PC 14 1290 10429
Tornolo PR 14 1010 11439
Borgo Val di Taro PR 16 6999 18438
Varsi PR 16 1230 19668
Bore PR 17 749 20417
Santo Stefano d'Aveto GE 18 1126 21543
Albareto PR 18 2156 23699
Valmozzola PR 19 539 24238
Bettola PC 19 2828 27066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km S of Piacenza (102191 inhabitants)
57 Km N of La Spezia (93959 inhabitants)
57 Km W of Parma (192836 inhabitants)
61 Km E of Genova (586655 inhabitants)
65 Km SW of Cremona (71901 inhabitants)
69 Km NW of Carrara (63133 inhabitants)
74 Km NW of Massa (69479 inhabitants)
75 Km SE of Pavia (72576 inhabitants)
78 Km W of Reggio nell'Emilia (171345 inhabitants)
89 Km E of Alessandria (93943 inhabitants)
95 Km NW of Viareggio (62467 inhabitants)
99 Km W of Carpi (70699 inhabitants)
99 Km E of Savona (61345 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
Rev 1000 Md 2.3 1985-08-18
23:03:54
44.61 9.66 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 12049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-18 23:03:54 ± 0.285
Latitude 44.61 ± 0.02
Longitude 9.66 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 12049

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) 2908.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00777
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 1
Type of magnitude Md
Reference to an origin 12049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:15:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BD1.Z. 1985-08-18T23:04:25.50 10.0 undecidable manual SG 128 0.0078 1.52 0
--.GEN.Z. 1985-08-18T23:04:13.50 10.0 undecidable manual SG 250 0.0049 -0.26 0.6
--.BD1.Z. 1985-08-18T23:04:12.00 10.0 undecidable manual PG 128 0.0078 0.56 0.8
--.GEN.Z. 1985-08-18T23:04:06.00 10.0 undecidable manual PG 250 0.0049 0.46 1.2
--.PCN.Z. 1985-08-18T23:04:03.50 10.0 undecidable manual PG 0 0.004 -0.09 1.6
--.BVT.Z. 1985-08-18T23:04:01.60 10.0 undecidable manual SG 140 0.0015 -0.24 0.9
--.BVT.Z. 1985-08-18T23:03:58.00 10.0 positive manual PG 140 0.0015 -0.66 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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