Earthquake with magnitude of Md 2.3 on date 13-07-1988 and time 10:16:14 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude Md 2.3 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 13-07-1988 08:16:14 (UTC)
  • 13-07-1988 10:16:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.69, 13.279 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 6 45027 45027
Montemarciano AN 6 9992 55019
Monte San Vito AN 10 6848 61867
Chiaravalle AN 11 14796 76663
Morro d'Alba AN 11 1903 78566
Falconara Marittima AN 12 26565 105131
Ostra AN 13 6875 112006
Camerata Picena AN 14 2567 114573
San Marcello AN 14 2057 116630
Trecastelli AN 14 7625 124255
Monsano AN 14 3405 127660
Belvedere Ostrense AN 15 2234 129894
Mondolfo PU 16 14277 144171
Agugliano AN 18 4865 149036
Monte Porzio PU 19 2836 151872
Jesi AN 19 40399 192271
San Costanzo PU 19 4786 197057
Corinaldo AN 19 4998 202055

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Ancona (100861 inhabitants)
27 Km SE of Fano (60888 inhabitants)
38 Km SE of Pesaro (94582 inhabitants)
71 Km SE of Rimini (147750 inhabitants)
94 Km NE of Foligno (57155 inhabitants)
97 Km NE of Perugia (166134 inhabitants)
97 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 2.3 1988-07-13
08:16:14
43.69 13.279 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 73269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-07-13 08:16:14 ± 0.577
Latitude 43.6900 ± 0.0388
Longitude 13.2790 ± 0.0253
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 73269

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) 4772.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 198
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.0123
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 73269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:09:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1988-07-13T08:16:41.50 10.0 undecidable manual PN 198 0.0123 1.49 0.2
--.PGD.Z. 1988-07-13T08:16:38.27 10.0 undecidable manual PN 280 0.0102 1.51 0.2
--.SFI.Z. 1988-07-13T08:16:34.75 10.0 undecidable manual PG 282 0.0095 -0.73 0.8
--.ALP.Z. 1988-07-13T08:16:32.92 10.0 undecidable manual PG 167 0.0083 -0.31 1.2
--.CRE.Z. 1988-07-13T08:16:32.50 10.0 undecidable manual PG 266 0.0087 -1.28 0.4
--.ASS.Z. 1988-07-13T08:16:30.33 10.0 undecidable manual PG 216 0.007 0.03 1.4
--.SS8.Z. 1988-07-13T08:16:29.60 10.0 undecidable manual PG 183 0.0061 0.45 1.2
--.ARV.Z. 1988-07-13T08:16:25.50 10.0 undecidable manual SG 232 0.0028 -0.79 0.4
--.CM8.Z. 1988-07-13T08:16:24.90 10.0 undecidable manual PG 191 0.0045 -0.39 1.3
--.ARV.Z. 1988-07-13T08:16:21.47 10.0 undecidable manual PG 232 0.0028 0.26 1.4
--.AM8.Z. 1988-07-13T08:16:20.40 10.0 positive manual PG 121 0.0024 -0.38 2.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download