Earthquake with magnitude of Md 2.5 on date 26-03-2004 and time 06:10:09 (Italy) in region 4 km NW Montemarciano (AN)

A magnitude Md 2.5 earthquake occured in region: 4 km NW Montemarciano (AN), on

  • 26-03-2004 05:10:09 (UTC)
  • 26-03-2004 06:10:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6730, 13.2770 at 8 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
Montemarciano AN 5 9992 9992
Senigallia AN 7 45027 55019
Monte San Vito AN 8 6848 61867
Chiaravalle AN 9 14796 76663
Morro d'Alba AN 9 1903 78566
Falconara Marittima AN 11 26565 105131
Ostra AN 12 6875 112006
San Marcello AN 12 2057 114063
Camerata Picena AN 12 2567 116630
Monsano AN 12 3405 120035
Belvedere Ostrense AN 14 2234 122269
Trecastelli AN 14 7625 129894
Agugliano AN 17 4865 134759
Jesi AN 17 40399 175158
Mondolfo PU 17 14277 189435
Corinaldo AN 19 4998 194433
Monte Porzio PU 19 2836 197269
Polverigi AN 19 4508 201777
Ostra Vetere AN 19 3311 205088
San Costanzo PU 19 4786 209874
Santa Maria Nuova AN 20 4179 214053

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Ancona (100861 inhabitants)
28 Km SE of Fano (60888 inhabitants)
39 Km SE of Pesaro (94582 inhabitants)
72 Km SE of Rimini (147750 inhabitants)
92 Km NE of Foligno (57155 inhabitants)
95 Km NE of Perugia (166134 inhabitants)
98 Km SE of Cesena (96758 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 2004-03-26
05:10:09
43.673 13.277 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 495419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-03-26 05:10:09 ± 0.512
Latitude 43.6730 ± 0.0171
Longitude 13.2770 ± 0.0285
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 495419

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) 2976.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 274
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.01222
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 495419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:53:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 2004-03-26T05:10:35.49 10.0 undecidable manual PN 198 1.3542 0.85 0.1
--.SNTG.Z. 2004-03-26T05:10:27.54 10.0 undecidable manual SG 210 0.4773 0.08 0.6
--.NRCA.Z. 2004-03-26T05:10:26.40 10.0 undecidable manual PG 187 0.8436 -0.6 0.4
--.ASS.Z. 2004-03-26T05:10:25.11 10.0 undecidable manual PG 216 0.7548 0.08 1.3
--.FSSB.Z. 2004-03-26T05:10:23.33 10.0 undecidable manual SG 272 0.3552 -0.2 0.5
--.ARV.Z. 2004-03-26T05:10:21.57 10.0 undecidable manual SG 234 0.2997 0.22 0.5
--.SNTG.Z. 2004-03-26T05:10:19.61 10.0 undecidable manual PG 210 0.4773 -0.29 1.1
--.FSSB.Z. 2004-03-26T05:10:17.52 10.0 undecidable manual PG 272 0.3552 -0.11 1.5
--.ARV.Z. 2004-03-26T05:10:16.43 10.0 positive manual PG 234 0.2997 0.06 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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