Earthquake with magnitude of ML 1.4 on date 21-02-2009 and time 13:17:03 (Italy) in region 1 km NW Arcevia (AN)

A magnitude ML 1.4 earthquake occured in region: 1 km NW Arcevia (AN), on

  • 21-02-2009 12:17:03 (UTC)
  • 21-02-2009 13:17:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5110, 12.9340 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
Arcevia AN 1 4612 4612
Genga AN 9 1797 6409
Serra de' Conti AN 9 3746 10155
Mergo AN 9 1037 11192
Serra San Quirico AN 10 2850 14042
Pergola PU 10 6333 20375
Sassoferrato AN 10 7285 27660
San Lorenzo in Campo PU 10 3414 31074
Montecarotto AN 11 1987 33061
Barbara AN 11 1368 34429
Castelleone di Suasa AN 11 1676 36105
Rosora AN 11 1985 38090
Poggio San Marcello AN 12 693 38783
Castelplanio AN 12 3540 42323
Serra Sant'Abbondio PU 13 1027 43350
Fratte Rosa PU 14 966 44316
Ostra Vetere AN 14 3311 47627
Maiolati Spontini AN 15 6248 53875
Frontone PU 16 1300 55175
Cupramontana AN 16 4756 59931
Monte Roberto AN 17 3061 62992
Castelbellino AN 17 4947 67939
Corinaldo AN 18 4998 72937
Barchi PU 18 967 73904
Mondavio PU 19 3810 77714
Poggio San Vicino MC 19 246 77960
Fabriano AN 20 31480 109440
Orciano di Pesaro PU 20 2028 111468
Sant'Ippolito PU 20 1563 113031

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km S of Fano (60888 inhabitants)
45 Km S of Pesaro (94582 inhabitants)
49 Km W of Ancona (100861 inhabitants)
63 Km NE of Perugia (166134 inhabitants)
64 Km N of Foligno (57155 inhabitants)
68 Km SE of Rimini (147750 inhabitants)
85 Km E of Arezzo (99543 inhabitants)
89 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 1.9
ML 1.4
2009-02-21
12:17:03
43.511 12.934 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 745489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-21 12:17:03 ± 0.3
Latitude 43.5110 ± 0.0072
Longitude 12.9340 ± 0.0124
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 745489

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 929
Semi-minor axis of confidence ellipse (meter) 803
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 1280.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29048
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 745489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:05:52

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 745489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:05:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2009-02-21T12:17:15.13 0.3 undecidable manual Sg 275 32.2455 0.106 71
IV.SNTG.SHZ. 2009-02-21T12:17:14.80 10.0 undecidable manual Sg 0 0 0
IV.FSSB.HHE. 2009-02-21T12:17:12.19 0.3 undecidable manual Sg 328 23.8539 0.027 73
IV.SNTG.SHZ. 2009-02-21T12:17:11.15 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHZ. 2009-02-21T12:17:10.11 0.1 undecidable manual Pg 275 32.2455 -0.135 94
IV.FSSB.HHE. 2009-02-21T12:17:08.55 0.3 undecidable manual Pg 328 23.8539 -0.043 73
IV.ARVD.HHZ. 2009-02-21T12:17:05.41 0.1 undecidable manual Sg 156 1.4985 -0.091 100
IV.ARVD.HHZ. 2009-02-21T12:17:04.91 0.1 undecidable manual Pg 156 1.4985 0.164 99
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