Earthquake with magnitude of Md 2.5 on date 13-05-1990 and time 06:03:04 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude Md 2.5 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 13-05-1990 04:03:04 (UTC)
  • 13-05-1990 06:03:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.775, 13.274 at 18 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 8 45027 45027
Mondolfo PU 15 14277 59304
Montemarciano AN 15 9992 69296
San Costanzo PU 16 4786 74082
Trecastelli AN 18 7625 81707
Monte San Vito AN 19 6848 88555
Falconara Marittima AN 19 26565 115120
Morro d'Alba AN 20 1903 117023
Chiaravalle AN 20 14796 131819

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Fano (60888 inhabitants)
26 Km NW of Ancona (100861 inhabitants)
33 Km E of Pesaro (94582 inhabitants)
65 Km E of Rimini (147750 inhabitants)
92 Km E 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
ML-VAX 1.9
1990-05-13
04:03:04
43.775 13.274 18 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 118569
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-13 04:03:04 ± 0.354
Latitude 43.7750 ± 0.0208
Longitude 13.2740 ± 0.0269
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 118569

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) 3163.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.02291
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 118569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:03

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 118569
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
--.MNS.Z. 1990-05-13T04:03:48.19 10.0 undecidable manual SN 197 0.013 0.27 0.5
--.CTI.Z. 1990-05-13T04:03:43.67 10.0 undecidable manual PN 333 0.0229 -0.83 0.4
--.PGD.Z. 1990-05-13T04:03:41.34 10.0 undecidable manual SN 275 0.01 1.31 0.1
--.SFI.Z. 1990-05-13T04:03:39.46 10.0 undecidable manual SN 277 0.0093 1.52 0
--.ALP.Z. 1990-05-13T04:03:38.00 10.0 undecidable manual SN 167 0.0091 0.51 0.8
--.MNS.Z. 1990-05-13T04:03:29.30 10.0 undecidable manual PN 197 0.013 -0.51 1
--.CIO.Z. 1990-05-13T04:03:25.70 10.0 undecidable manual SG 189 0.0053 -0.33 0.9
--.PGD.Z. 1990-05-13T04:03:25.20 10.0 undecidable manual PN 275 0.01 0.22 1.5
--.SFI.Z. 1990-05-13T04:03:23.71 10.0 undecidable manual PN 277 0.0093 -0.07 1.7
--.ALP.Z. 1990-05-13T04:03:22.84 10.0 undecidable manual PN 167 0.0091 -0.68 1
--.ARV.Z. 1990-05-13T04:03:19.13 10.0 undecidable manual SG 221 0.0032 0.71 0.4
--.AOI.Z. 1990-05-13T04:03:18.60 10.0 undecidable manual SG 133 0.0029 0.78 0.5
--.CIO.Z. 1990-05-13T04:03:15.82 10.0 positive manual PG 189 0.0053 -0.72 1.9
--.AOI.Z. 1990-05-13T04:03:12.39 10.0 positive manual PG 133 0.0029 0.54 2.5
--.ARV.Z. 1990-05-13T04:03:12.55 10.0 undecidable manual PG 221 0.0032 0.05 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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