Earthquake with magnitude of Md 2.5 on date 20-04-1993 and time 00:12:50 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

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

  • 19-04-1993 22:12:50 (UTC)
  • 20-04-1993 00:12:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.92, 13.11 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
Fano PU 12 60888 60888
Pesaro PU 16 94582 155470
San Costanzo PU 18 4786 160256
Mondolfo PU 19 14277 174533

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NE of Fano (60888 inhabitants)
16 Km E of Pesaro (94582 inhabitants)
46 Km E of Rimini (147750 inhabitants)
47 Km NW of Ancona (100861 inhabitants)
73 Km E of Cesena (96758 inhabitants)
91 Km SE of Ravenna (159116 inhabitants)
92 Km E of Forlì (117913 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 1993-04-19
22:12:50
43.93 13.11 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 183689
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-04-19 22:12:50 ± 1.232
Latitude 43.93 ± 0.04
Longitude 13.11 ± 0.09
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 183689

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) 8667
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 282
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00397
Epicentral distance of station farthest from the epicenter (degree) 0.01408
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 183689
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:52:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SFI.Z. 1993-04-19T22:13:23.87 10.0 undecidable manual SG 269 0.0082 1.53 0.2
--.ASS.Z. 1993-04-19T22:13:23.00 10.0 undecidable manual SG 201 0.0083 0.22 0.8
--.MNS.Z. 1993-04-19T22:13:20.00 10.0 undecidable manual PN 191 0.0141 1.34 0.6
--.ASS.Z. 1993-04-19T22:13:08.00 10.0 undecidable manual PG 201 0.0083 -1.04 1.2
--.ARV.Z. 1993-04-19T22:13:07.00 10.0 undecidable manual SG 195 0.004 -0.33 0.8
--.SFI.Z. 1993-04-19T22:13:07.82 10.0 undecidable manual PG 269 0.0082 -0.96 1.3
--.ARV.Z. 1993-04-19T22:13:00.00 10.0 undecidable manual PG 195 0.004 -0.12 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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