Earthquake with magnitude of Md 2.8 on date 04-11-1999 and time 19:34:45 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude Md 2.8 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 04-11-1999 18:34:45 (UTC)
  • 04-11-1999 19:34:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.71, 13.25 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
Senigallia AN 2 45027 45027
Montemarciano AN 10 9992 55019
Trecastelli AN 12 7625 62644
Morro d'Alba AN 13 1903 64547
Monte San Vito AN 13 6848 71395
Mondolfo PU 13 14277 85672
Ostra AN 13 6875 92547
Chiaravalle AN 14 14796 107343
San Costanzo PU 15 4786 112129
San Marcello AN 16 2057 114186
Falconara Marittima AN 16 26565 140751
Belvedere Ostrense AN 16 2234 142985
Monte Porzio PU 16 2836 145821
Monsano AN 17 3405 149226
Camerata Picena AN 17 2567 151793
Corinaldo AN 17 4998 156791
Ostra Vetere AN 19 3311 160102

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Fano (60888 inhabitants)
25 Km W of Ancona (100861 inhabitants)
35 Km SE of Pesaro (94582 inhabitants)
67 Km SE of Rimini (147750 inhabitants)
93 Km SE of Cesena (96758 inhabitants)
95 Km NE of Foligno (57155 inhabitants)
97 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 2.8
ML-VAX 1.9
1999-11-04
18:34:45
43.71 13.25 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 376679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-11-04 18:34:45 ± 0.261
Latitude 43.71 ± 0.01
Longitude 13.25 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 376679

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) 1963.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.02606
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 8
Type of magnitude Md
Reference to an origin 376679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:53:41

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 376679
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 Takeoff_angle Residual Weight
--.FVI.Z. 1999-11-04T18:35:32.71 10.0 undecidable manual PN 353 0.0261 0.15 1.1
--.CTI.Z. 1999-11-04T18:35:28.96 10.0 undecidable manual PN 334 0.0233 0.59 0.7
--.PGD.Z. 1999-11-04T18:35:24.70 10.0 undecidable manual SN 278 0.01 0.48 0.6
--.CRE.Z. 1999-11-04T18:35:19.89 10.0 undecidable manual SG 264 0.0084 0.86 0.2
--.NRCA.Z. 1999-11-04T18:35:17.50 10.0 undecidable manual SG 186 0.0079 0.24 0.8
--.ASS.Z. 1999-11-04T18:35:14.12 10.0 undecidable manual SG 213 0.007 0.22 0.8
--.AQU.Z. 1999-11-04T18:35:12.30 10.0 undecidable manual PN 174 0.0122 0.77 0.7
--.PGD.Z. 1999-11-04T18:35:07.77 10.0 undecidable manual PN 278 0.01 -0.28 1.8
--.SNTG.Z. 1999-11-04T18:35:06.30 10.0 undecidable manual SG 205 0.0045 0.84 0.3
--.SFI.Z. 1999-11-04T18:35:05.91 10.0 undecidable manual PG 280 0.0092 -0.73 0.9
--.CRE.Z. 1999-11-04T18:35:04.74 10.0 undecidable manual PG 264 0.0084 -0.31 1.9
--.NRCA.Z. 1999-11-04T18:35:03.34 10.0 undecidable manual PG 186 0.0079 -0.69 1
--.ASS.Z. 1999-11-04T18:35:01.28 10.0 undecidable manual PG 213 0.007 -0.81 0.7
--.ARV.Z. 1999-11-04T18:34:58.48 10.0 undecidable manual SG 225 0.0028 0.59 0.5
--.FB9.Z. 1999-11-04T18:34:58.82 10.0 undecidable manual SG 266 0.003 -0.31 0.7
--.SNTG.Z. 1999-11-04T18:34:56.69 10.0 undecidable manual PG 205 0.0045 -0.38 1.7
--.FB9.Z. 1999-11-04T18:34:53.16 10.0 undecidable manual PG 266 0.003 -0.41 1.7
--.ARV.Z. 1999-11-04T18:34:52.95 10.0 undecidable manual PG 225 0.0028 0.1 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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