Earthquake with magnitude of Md 2.4 on date 21-02-1999 and time 11:48:54 (UTC) in region Costa Marchigiana Pesarese (Pesaro Urbino)

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

  • 21-02-1999 11:48:54 (UTC)
  • 21-02-1999 12:48:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9230, 13.1930 at 19 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 16 60888 60888

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NE of Fano (60888 inhabitants)
22 Km E of Pesaro (94582 inhabitants)
43 Km NW of Ancona (100861 inhabitants)
52 Km E of Rimini (147750 inhabitants)
80 Km E of Cesena (96758 inhabitants)
96 Km SE of Ravenna (159116 inhabitants)
98 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 2.4
ML-VAX 1.9
1999-02-21
11:48:54
43.923 13.193 19 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 359929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-02-21 11:48:54 ± 0.83
Latitude 43.9230 ± 0.0402
Longitude 13.1930 ± 0.0535
Depth (km) 19 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 359929

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) 6190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 272
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.00979
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 359929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:37:30

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 359929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.NRCA.Z. 1999-02-21T11:49:31.00 10.0 undecidable manual SN 182 1.0878 1.71 0.1
--.PGD.Z. 1999-02-21T11:49:28.42 10.0 undecidable manual SN 267 1.0545 -0.17 0.7
--.SFI.Z. 1999-02-21T11:49:26.65 10.0 undecidable manual SN 269 0.9657 0.25 0.7
--.ASS.Z. 1999-02-21T11:49:25.13 10.0 undecidable manual SN 204 0.9435 -0.71 0.5
--.RSM.Z. 1999-02-21T11:49:15.31 10.0 undecidable manual SG 270 0.5328 1.29 0.2
--.NRCA.Z. 1999-02-21T11:49:15.00 10.0 undecidable manual PN 182 1.0878 0.34 1.7
--.PGD.Z. 1999-02-21T11:49:13.60 10.0 undecidable manual PN 267 1.0545 -1.2 0.5
--.SFI.Z. 1999-02-21T11:49:13.58 10.0 undecidable manual PN 269 0.9657 0.59 1.4
--.ASS.Z. 1999-02-21T11:49:12.21 10.0 undecidable manual PN 204 0.9435 -0.46 1.7
--.FB9.Z. 1999-02-21T11:49:08.50 10.0 undecidable manual SG 232 0.3774 -0.65 0.6
--.RSM.Z. 1999-02-21T11:49:06.17 10.0 undecidable manual PG 270 0.5328 0.33 1.9
--.FB9.Z. 1999-02-21T11:49:02.74 10.0 undecidable manual PG 232 0.3774 -0.3 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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