Earthquake with magnitude of Md 2.4 on date 26-02-1986 and time 22:32:03 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude Md 2.4 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 26-02-1986 21:32:03 (UTC)
  • 26-02-1986 22:32:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.089, 13.145 at 18 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
27 Km NE of Pesaro (94582 inhabitants)
29 Km NE of Fano (60888 inhabitants)
46 Km E of Rimini (147750 inhabitants)
60 Km NW of Ancona (100861 inhabitants)
72 Km E of Cesena (96758 inhabitants)
84 Km E of Ravenna (159116 inhabitants)
89 Km E of Forlì (117913 inhabitants)
Recent and historical seismicity
Seismic hazard
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Md 2.4 1986-02-26
44.089 13.145 18 2013-07-15
Bollettino Sismico Italiano INGV 23199
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 1986-02-26 21:32:03 ± 1.067
Latitude 44.0890 ± 0.0455
Longitude 13.1450 ± 0.1113
Depth (km) 18 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23199


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) 10223.2
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 312
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.00542
Epicentral distance of station farthest from the epicenter (degree) 0.00971
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information


Field Value
Value 2.4
Num. used stations 2
Type of magnitude Md
Reference to an origin 23199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:25:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ASS.Z. 1986-02-26T21:32:37.50 10.0 undecidable manual SN 199 0.0097 -0.43 0.7
--.CRE.Z. 1986-02-26T21:32:36.50 10.0 undecidable manual SN 241 0.0087 1.09 0.2
--.ARV.Z. 1986-02-26T21:32:24.00 10.0 undecidable manual SG 193 0.0054 -0.63 0.5
--.ASS.Z. 1986-02-26T21:32:23.50 10.0 undecidable manual PN 199 0.0097 0.29 1.9
--.CRE.Z. 1986-02-26T21:32:21.00 10.0 undecidable manual PN 241 0.0087 -0.75 1
--.ARV.Z. 1986-02-26T21:32:16.00 10.0 undecidable manual PG 193 0.0054 0.48 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download