Earthquake with magnitude of Md 2.5 on date 27-10-1989 and time 17:30:54 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude Md 2.5 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 27-10-1989 16:30:54 (UTC)
  • 27-10-1989 17:30:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0230, 12.9140 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
Pesaro PU 12 94582 94582
Gabicce Mare PU 14 5781 100363
Gradara PU 14 4835 105198
Cattolica RN 15 17125 122323
Misano Adriatico RN 18 13014 135337
San Giovanni in Marignano RN 19 9417 144754
Tavullia PU 19 8003 152757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of Pesaro (94582 inhabitants)
22 Km NW of Fano (60888 inhabitants)
28 Km E of Rimini (147750 inhabitants)
55 Km E of Cesena (96758 inhabitants)
66 Km NW of Ancona (100861 inhabitants)
72 Km SE of Ravenna (159116 inhabitants)
73 Km E of Forlì (117913 inhabitants)
87 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 2.5 1989-10-27
16:30:54
44.023 12.914 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 103069
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-10-27 16:30:54 ± 0.61
Latitude 44.0230 ± 0.0272
Longitude 12.9140 ± 0.0284
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 103069

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) 3781.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 275
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00874
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 2
Type of magnitude Md
Reference to an origin 103069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:36:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1989-10-27T16:31:28.50 10.0 undecidable manual SG 191 0.9657 0.03 0.7
--.CRE.Z. 1989-10-27T16:31:22.50 10.0 undecidable manual SG 240 0.7992 -0.34 0.7
--.SFI.Z. 1989-10-27T16:31:22.50 10.0 undecidable manual SG 261 0.777 0.52 0.5
--.ASS.Z. 1989-10-27T16:31:14.00 10.0 undecidable manual PG 191 0.9657 0.01 1.8
--.ARV.Z. 1989-10-27T16:31:13.21 10.0 undecidable manual SG 177 0.5217 -0.68 0.5
--.CRE.Z. 1989-10-27T16:31:11.50 10.0 undecidable manual PG 240 0.7992 0.76 0.8
--.SFI.Z. 1989-10-27T16:31:10.50 10.0 undecidable manual PG 261 0.777 0.26 1.8
--.RSM.Z. 1989-10-27T16:31:07.60 10.0 undecidable manual SG 254 0.3441 -0.56 0.6
--.ARV.Z. 1989-10-27T16:31:05.69 10.0 undecidable manual PG 177 0.5217 0.12 2.3
--.RSM.Z. 1989-10-27T16:31:01.36 10.0 undecidable manual PG 254 0.3441 -0.59 1.4
--.PRO.Z. 1989-10-27T16:30:59.90 10.0 undecidable manual SG 191 0.0999 1.28 0.1
--.PRO.Z. 1989-10-27T16:30:56.00 10.0 undecidable manual PG 191 0.0999 -0.75 1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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