Earthquake with magnitude of Md 2.5 on date 22-07-1985 and time 03:45:02 (UTC) in region 9 km W Bardi (PR)

A magnitude Md 2.5 earthquake occured in region: 9 km W Bardi (PR), on

  • 22-07-1985 03:45:02 (UTC)
  • 22-07-1985 05:45:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6210, 9.6180 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
Bardi PR 9 2227 2227
Ferriere PC 10 1294 3521
Farini PC 11 1290 4811
Bedonia PR 13 3482 8293
Morfasso PC 13 1024 9317
Compiano PR 14 1112 10429
Tornolo PR 15 1010 11439
Santo Stefano d'Aveto GE 15 1126 12565
Bettola PC 17 2828 15393
Bore PR 18 749 16142
Varsi PR 19 1230 17372
Borgo Val di Taro PR 19 6999 24371

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km S of Piacenza (102191 inhabitants)
59 Km E of Genova (586655 inhabitants)
60 Km N of La Spezia (93959 inhabitants)
60 Km W of Parma (192836 inhabitants)
66 Km SW of Cremona (71901 inhabitants)
71 Km NW of Carrara (63133 inhabitants)
72 Km SE of Pavia (72576 inhabitants)
77 Km NW of Massa (69479 inhabitants)
81 Km W of Reggio nell'Emilia (171345 inhabitants)
86 Km E of Alessandria (93943 inhabitants)
97 Km E of Savona (61345 inhabitants)
98 Km NW of Viareggio (62467 inhabitants)
98 Km SE of Vigevano (63310 inhabitants)
100 Km SE of Milano (1345851 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 2.5 1985-07-22
03:45:02
44.621 9.618 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 10609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-22 03:45:02 ± 0.544
Latitude 44.6210 ± 0.0310
Longitude 9.6180 ± 0.0313
Depth (km) 5 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 10609

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) 4245.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.01149
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 10609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:14:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ROB.Z. 1985-07-22T03:45:45.00 10.0 undecidable manual SN 256 1.2765 -0.32 0.5
--.PS9.Z. 1985-07-22T03:45:39.00 10.0 undecidable manual SN 143 1.11 -2.13 0
--.ROB.Z. 1985-07-22T03:45:28.50 10.0 undecidable manual PN 256 1.2765 1.11 0.4
--.BG1.Z. 1985-07-22T03:45:26.00 10.0 undecidable manual PN 3 1.1544 0.36 1.2
--.PS9.Z. 1985-07-22T03:45:24.50 10.0 undecidable manual PN 143 1.11 -0.48 1.1
--.BD1.Z. 1985-07-22T03:45:22.00 10.0 undecidable manual PG 128 0.888 0.84 0.8
--.GEN.Z. 1985-07-22T03:45:22.50 10.0 undecidable manual SG 247 0.5217 -0.12 0.6
--.GEN.Z. 1985-07-22T03:45:14.20 10.0 undecidable manual PG 247 0.5217 -0.09 1.6
--.CO9.Z. 1985-07-22T03:45:10.00 10.0 undecidable manual SG 320 0.1887 -0.41 0.8
--.CO9.Z. 1985-07-22T03:45:07.00 10.0 negative manual PG 320 0.1887 -0.24 3.1
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