Earthquake with magnitude of Md 2.9 on date 26-03-1986 and time 06:42:01 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude Md 2.9 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 26-03-1986 05:42:01 (UTC)
  • 26-03-1986 06:42:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.857, 13.039 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
Fano PU 2 60888 60888
San Costanzo PU 11 4786 65674
Pesaro PU 12 94582 160256
Mondolfo PU 13 14277 174533
Piagge PU 14 1022 175555
Montemaggiore al Metauro PU 15 2893 178448
Cartoceto PU 16 7887 186335
Saltara PU 16 6925 193260
San Giorgio di Pesaro PU 16 1388 194648
Mombaroccio PU 16 2152 196800
Serrungarina PU 18 2634 199434
Monte Porzio PU 19 2836 202270
Monteciccardo PU 19 1690 203960
Vallefoglia PU 19 15018 218978
Montelabbate PU 20 6938 225916
Orciano di Pesaro PU 20 2028 227944

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km NE of Fano (60888 inhabitants)
12 Km SE of Pesaro (94582 inhabitants)
44 Km SE of Rimini (147750 inhabitants)
47 Km NW of Ancona (100861 inhabitants)
71 Km E of Cesena (96758 inhabitants)
90 Km E of Forlì (117913 inhabitants)
92 Km SE of Ravenna (159116 inhabitants)
98 Km NE of Perugia (166134 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 2.9 1986-03-26
05:42:01
43.857 13.039 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 24889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-26 05:42:01 ± 0.515
Latitude 43.8570 ± 0.0172
Longitude 13.0390 ± 0.0552
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 24889

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) 4824.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.02153
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 24889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:26:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1986-03-26T05:42:39.50 10.0 undecidable manual PN 336 0.0215 -0.79 0.5
--.SD1.Z. 1986-03-26T05:42:38.50 10.0 undecidable manual PN 164 0.0199 0.67 0.7
--.TRI.Z. 1986-03-26T05:42:34.00 10.0 undecidable manual PN 15 0.0172 0.28 1.2
--.ASS.Z. 1986-03-26T05:42:30.00 10.0 undecidable manual SG 199 0.0075 -0.28 0.5
--.MNS.Z. 1986-03-26T05:42:27.72 10.0 undecidable manual PN 190 0.0134 -0.15 1.6
--.CRE.Z. 1986-03-26T05:42:18.50 10.0 undecidable manual PG 253 0.0074 0.9 0.6
--.ASS.Z. 1986-03-26T05:42:17.50 10.0 undecidable manual PG 199 0.0075 -0.5 1
--.PRO.Z. 1986-03-26T05:42:04.60 10.0 undecidable manual PG 298 0.0011 -0.04 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