Earthquake with magnitude of Md 2.3 on date 20-06-2002 and time 00:50:32 (Italy) in region Costa Marchigiana Anconetana (Ancona)

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

  • 19-06-2002 22:50:32 (UTC)
  • 20-06-2002 00:50:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7390, 13.4240 at 16 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
Falconara Marittima AN 13 26565 26565
Montemarciano AN 14 9992 36557
Ancona AN 16 100861 137418
Senigallia AN 17 45027 182445
Chiaravalle AN 17 14796 197241
Camerata Picena AN 19 2567 199808
Monte San Vito AN 20 6848 206656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Ancona (100861 inhabitants)
34 Km E of Fano (60888 inhabitants)
45 Km E of Pesaro (94582 inhabitants)
78 Km E of Rimini (147750 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 2002-06-19
22:50:32
43.739 13.424 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 443659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-06-19 22:50:32 ± 0.276
Latitude 43.7390 ± 0.0089
Longitude 13.4240 ± 0.0201
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 443659

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) 1898.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 289
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.00834
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 443659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:59:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 2002-06-19T22:50:53.94 10.0 undecidable manual SG 215 0.5883 0.05 0.8
--.ASS.Z. 2002-06-19T22:50:50.34 10.0 undecidable manual PG 219 0.8769 0.23 0.8
--.NRCA.Z. 2002-06-19T22:50:50.93 10.0 undecidable manual PN 193 0.9213 -0.02 1.6
--.FSSB.Z. 2002-06-19T22:50:49.72 10.0 undecidable manual SG 264 0.4662 -0.07 0.7
--.ARV.Z. 2002-06-19T22:50:48.25 10.0 undecidable manual SG 235 0.4107 -0.07 0.8
--.SNTG.Z. 2002-06-19T22:50:44.55 10.0 undecidable manual PG 215 0.5883 -0.38 0.4
--.FSSB.Z. 2002-06-19T22:50:42.52 10.0 undecidable manual PG 264 0.4662 -0.04 1.9
--.ARV.Z. 2002-06-19T22:50:41.93 10.0 undecidable manual PG 235 0.4107 0.22 1.1
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