Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 3.1 on date 03-03-1989 and time 23:29:48 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude Md 3.1 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 03-03-1989 22:29:48 (UTC)
  • 03-03-1989 23:29:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.715, 13.312 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.

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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
Montemarciano AN 8 9992 55019
Falconara Marittima AN 12 26565 81584
Chiaravalle AN 13 14796 96380
Monte San Vito AN 13 6848 103228
Morro d'Alba AN 15 1903 105131
Camerata Picena AN 16 2567 107698
Ostra AN 17 6875 114573
Trecastelli AN 17 7625 122198
Monsano AN 17 3405 125603
San Marcello AN 17 2057 127660
Mondolfo PU 18 14277 141937
Belvedere Ostrense AN 19 2234 144171
Ancona AN 20 100861 245032
Agugliano AN 20 4865 249897

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Ancona (100861 inhabitants)
28 Km SE of Fano (60888 inhabitants)
39 Km SE of Pesaro (94582 inhabitants)
71 Km SE of Rimini (147750 inhabitants)
98 Km NE of Foligno (57155 inhabitants)
98 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 3.1
M 2.9 		1989-03-03
22:29:48		 43.715 13.312 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 87889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-03-03 22:29:48 ± 0.15
Latitude 43.7150 ± 0.0090
Longitude 13.3120 ± 0.0135
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 87889

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) 1479
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
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) 0.02606
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 87889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:22:28

M:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 87889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:29:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1989-03-03T22:31:02.00 10.0 undecidable manual SN 334 0.0235 -0.83 0.3
--.LJU.Z. 1989-03-03T22:31:00.20 10.0 undecidable manual SN 20 0.0223 0.48 0.4
--.VBY.Z. 1989-03-03T22:30:56.10 10.0 undecidable manual SN 37 0.0203 1.62 0.1
--.CEY.Z. 1989-03-03T22:30:52.50 10.0 undecidable manual SN 21 0.0195 0.13 0.5
--.TRI.Z. 1989-03-03T22:30:48.34 10.0 undecidable manual SN 9 0.0181 -0.38 0.5
--.FVI.Z. 1989-03-03T22:30:35.39 10.0 positive manual PN 352 0.0261 -0.16 2.1
--.RBL.Z. 1989-03-03T22:30:33.50 10.0 undecidable manual PN 3 0.0245 0.3 1
--.MNS.Z. 1989-03-03T22:30:33.95 10.0 undecidable manual SN 199 0.0126 -0.21 0.6
--.CTI.Z. 1989-03-03T22:30:31.60 10.0 undecidable manual PN 334 0.0235 0.03 1.1
--.LJU.Z. 1989-03-03T22:30:30.90 10.0 undecidable manual PN 20 0.0223 1.12 0.4
--.VBY.Z. 1989-03-03T22:30:28.10 10.0 undecidable manual PN 37 0.0203 1.34 0.3
--.PGD.Z. 1989-03-03T22:30:28.52 10.0 undecidable manual SN 278 0.0104 0.25 0.6
--.VOY.Z. 1989-03-03T22:30:27.00 10.0 undecidable manual PN 10 0.0211 -1 0.5
--.SFI.Z. 1989-03-03T22:30:25.62 10.0 undecidable manual SG 280 0.0096 -0.57 0.5
--.CEY.Z. 1989-03-03T22:30:25.00 10.0 undecidable manual PN 21 0.0195 -0.53 1
--.SDI.Z. 1989-03-03T22:30:24.61 10.0 undecidable manual PN 169 0.0183 0.93 0.7
--.PII.Z. 1989-03-03T22:30:23.30 10.0 undecidable manual PN 271 0.0181 -0.33 1.2
--.ALP.Z. 1989-03-03T22:30:23.56 10.0 undecidable manual SG 168 0.0085 1.26 0.3
--.TRI.Z. 1989-03-03T22:30:22.44 10.0 undecidable manual PN 9 0.0181 -0.99 0.6
--.AZI.Z. 1989-03-03T22:30:20.00 10.0 undecidable manual PN 177 0.0155 0.55 1.2
--.ASS.Z. 1989-03-03T22:30:17.52 10.0 undecidable manual SG 216 0.0072 -0.19 0.6
--.MNS.Z. 1989-03-03T22:30:15.57 10.0 undecidable manual PN 199 0.0126 0.55 1.3
--.RSM.Z. 1989-03-03T22:30:13.50 10.0 undecidable manual SG 289 0.0059 0.22 0.6
--.PGD.Z. 1989-03-03T22:30:11.95 10.0 undecidable manual PN 278 0.0104 0.33 1.5
--.CIO.Z. 1989-03-03T22:30:10.49 10.0 undecidable manual SG 193 0.0048 1.62 0.1
--.CM8.Z. 1989-03-03T22:30:10.50 10.0 undecidable manual SG 193 0.0048 1.63 0.1
--.SFI.Z. 1989-03-03T22:30:10.70 10.0 undecidable manual PG 280 0.0096 0.28 1.6
--.CRE.Z. 1989-03-03T22:30:08.66 10.0 undecidable manual PG 265 0.0088 -0.2 1.6
--.SSO.Z. 1989-03-03T22:30:06.61 10.0 undecidable manual SG 169 0.0038 1.16 0.3
--.ALP.Z. 1989-03-03T22:30:06.68 10.0 undecidable manual PG 168 0.0085 -1.49 0.3
--.ASS.Z. 1989-03-03T22:30:04.82 10.0 positive manual PG 216 0.0072 -0.7 2.3
--.RSM.Z. 1989-03-03T22:30:03.21 10.0 positive manual PG 289 0.0059 0.51 2.7
--.ARV.Z. 1989-03-03T22:30:02.61 10.0 undecidable manual SG 231 0.0031 0.42 0.6
--.AOI.Z. 1989-03-03T22:29:59.70 10.0 undecidable manual SG 128 0.0023 0.41 0.9
--.AM8.Z. 1989-03-03T22:29:59.70 10.0 undecidable manual SG 128 0.0023 0.41 0.9
--.CIO.Z. 1989-03-03T22:29:59.46 10.0 negative manual PG 193 0.0048 -0.96 1.6
--.CM8.Z. 1989-03-03T22:29:59.50 10.0 undecidable manual PG 193 0.0048 -0.92 1.7
--.SSO.Z. 1989-03-03T22:29:57.64 10.0 undecidable manual PG 169 0.0038 -0.8 1
--.ARV.Z. 1989-03-03T22:29:56.67 10.0 negative manual PG 231 0.0031 0.11 3.3
--.AOI.Z. 1989-03-03T22:29:54.20 10.0 positive manual PG 128 0.0023 -0.86 0
--.AM8.Z. 1989-03-03T22:29:54.00 10.0 undecidable manual PG 128 0.0023 -0.88 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download