Earthquake with magnitude of Md 2.3 on date 28-04-1999 and time 01:45:50 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

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

  • 27-04-1999 23:45:50 (UTC)
  • 28-04-1999 01:45:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.79, 13.12 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
Mondolfo PU 5 14277 14277
San Costanzo PU 5 4786 19063
Fano PU 10 60888 79951
Senigallia AN 12 45027 124978
Monte Porzio PU 13 2836 127814
Trecastelli AN 13 7625 135439
Piagge PU 14 1022 136461
San Giorgio di Pesaro PU 14 1388 137849
Montemaggiore al Metauro PU 15 2893 140742
Corinaldo AN 17 4998 145740
Orciano di Pesaro PU 17 2028 147768
Mondavio PU 18 3810 151578
Saltara PU 18 6925 158503
Cartoceto PU 19 7887 166390

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km SE of Fano (60888 inhabitants)
21 Km SE of Pesaro (94582 inhabitants)
38 Km NW of Ancona (100861 inhabitants)
54 Km SE of Rimini (147750 inhabitants)
80 Km E of Cesena (96758 inhabitants)
96 Km NE of Perugia (166134 inhabitants)
99 Km E of Forlì (117913 inhabitants)
99 Km NE of Foligno (57155 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 1999-04-27
23:45:50
43.79 13.12 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 364229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-04-27 23:45:50 ± 0.866
Latitude 43.79 ± 0.04
Longitude 13.12 ± 0.04
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 364229

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) 5249.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 265
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.00907
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 364229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:41:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.NRCA.Z. 1999-04-27T23:46:25.00 10.0 undecidable manual SG 180 0.0086 1.14 0.2
--.ASS.Z. 1999-04-27T23:46:20.10 10.0 undecidable manual SG 204 0.0072 1.09 0.2
--.PGD.Z. 1999-04-27T23:46:11.54 10.0 undecidable manual PG 274 0.0091 0.94 0.6
--.NRCA.Z. 1999-04-27T23:46:10.14 10.0 undecidable manual PG 180 0.0086 0.51 1.2
--.SNTG.Z. 1999-04-27T23:46:10.51 10.0 undecidable manual SG 193 0.0049 -0.33 0.7
--.ASS.Z. 1999-04-27T23:46:06.70 10.0 undecidable manual PG 204 0.0072 -0.71 1.1
--.SNTG.Z. 1999-04-27T23:46:01.18 10.0 undecidable manual PG 193 0.0049 -0.93 0.8
--.FB9.Z. 1999-04-27T23:46:00.68 10.0 undecidable manual SG 247 0.0023 0.05 0.8
--.FB9.Z. 1999-04-27T23:45:55.87 10.0 negative manual PG 247 0.0023 -0.35 3.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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