Earthquake with magnitude of Md 2.3 on date 12-07-1985 and time 20:10:46 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude Md 2.3 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 12-07-1985 18:10:46 (UTC)
  • 12-07-1985 20:10:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1110, 12.9610 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of Pesaro (94582 inhabitants)
30 Km N of Fano (60888 inhabitants)
32 Km E of Rimini (147750 inhabitants)
57 Km E of Cesena (96758 inhabitants)
70 Km E of Ravenna (159116 inhabitants)
71 Km NW of Ancona (100861 inhabitants)
74 Km E of Forlì (117913 inhabitants)
88 Km E of Faenza (58541 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 2.3 1985-07-12
18:10:46
44.111 12.961 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 10039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-12 18:10:46 ± 0.673
Latitude 44.1110 ± 0.0333
Longitude 12.9610 ± 0.0432
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 10039

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) 5062.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 308
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00550
Epicentral distance of station farthest from the epicenter (degree) 0.00963
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 2
Type of magnitude Md
Reference to an origin 10039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AS1.Z. 1985-07-12T18:11:23.00 10.0 undecidable manual SN 192 1.0656 0.6 0.3
--.CM2.Z. 1985-07-12T18:11:18.00 10.0 undecidable manual SG 171 0.9213 -0.12 1
--.AM1.Z. 1985-07-12T18:11:12.60 10.0 undecidable manual SG 140 0.7215 0.93 0.2
--.AR1.Z. 1985-07-12T18:11:07.00 10.0 undecidable manual SG 181 0.6105 -1.01 0.1
--.AS1.Z. 1985-07-12T18:11:07.50 10.0 undecidable manual PN 192 1.0656 0.3 1.3
--.CM2.Z. 1985-07-12T18:11:04.90 10.0 undecidable manual PG? 171 0.9213 0.17 0.7
--.AM1.Z. 1985-07-12T18:11:00.60 10.0 negative manual PG 140 0.7215 -0.4 2.6
--.AR1.Z. 1985-07-12T18:10:59.00 10.0 undecidable manual PG 181 0.6105 0.11 1.8
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