Earthquake with magnitude of Md 2.2 on date 04-03-1989 and time 00:45:03 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude Md 2.2 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 03-03-1989 23:45:03 (UTC)
  • 04-03-1989 00:45:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.79, 13.347 at 10 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 13 45027 45027
Montemarciano AN 17 9992 55019
Falconara Marittima AN 19 26565 81584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Ancona (100861 inhabitants)
27 Km E of Fano (60888 inhabitants)
37 Km E of Pesaro (94582 inhabitants)
69 Km E of Rimini (147750 inhabitants)
96 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 2.2
ML-VAX 1.8
1989-03-03
23:45:03
43.79 13.347 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 87899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-03-03 23:45:03 ± 0.58
Latitude 43.7900 ± 0.0324
Longitude 13.3470 ± 0.0215
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 87899

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) 3990.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 277
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 87899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:22:28

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 87899
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
--.ASS.Z. 1989-03-03T23:45:34.99 10.0 undecidable manual SG 215 0.0079 0.78 0.1
--.CM8.Z. 1989-03-03T23:45:25.18 10.0 undecidable manual SG 194 0.0055 -0.3 0.6
--.ASS.Z. 1989-03-03T23:45:21.40 10.0 undecidable manual PG 215 0.0079 -0.36 1.1
--.ARV.Z. 1989-03-03T23:45:18.56 10.0 undecidable manual SG 225 0.0036 -0.46 0.4
--.AM8.Z. 1989-03-03T23:45:16.17 10.0 undecidable manual SG 142 0.0027 0.63 0.3
--.CM8.Z. 1989-03-03T23:45:15.88 10.0 undecidable manual PG 194 0.0055 -0.48 1
--.ARV.Z. 1989-03-03T23:45:12.98 10.0 negative manual PG 225 0.0036 0.34 2.8
--.AM8.Z. 1989-03-03T23:45:10.48 10.0 undecidable manual PG 142 0.0027 -0.15 1.5
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