Earthquake with magnitude of ML 0.8 on date 21-03-2006 and time 11:55:31 (Italy) in region 3 km W Serra San Quirico (AN)

A magnitude ML 0.8 earthquake occured in region: 3 km W Serra San Quirico (AN), on

  • 21-03-2006 10:55:31 (UTC)
  • 21-03-2006 11:55:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4550, 12.9760 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
Serra San Quirico AN 3 2850 2850
Genga AN 4 1797 4647
Mergo AN 5 1037 5684
Arcevia AN 6 4612 10296
Rosora AN 8 1985 12281
Sassoferrato AN 10 7285 19566
Castelplanio AN 10 3540 23106
Poggio San Marcello AN 10 693 23799
Montecarotto AN 11 1987 25786
Serra de' Conti AN 11 3746 29532
Cupramontana AN 11 4756 34288
Maiolati Spontini AN 12 6248 40536
Poggio San Vicino MC 12 246 40782
Monte Roberto AN 14 3061 43843
Castelbellino AN 14 4947 48790
Apiro MC 14 2280 51070
Fabriano AN 14 31480 82550
Barbara AN 15 1368 83918
Cerreto d'Esi AN 15 3817 87735
San Paolo di Jesi AN 16 933 88668
Pergola PU 17 6333 95001
San Lorenzo in Campo PU 17 3414 98415
Castelleone di Suasa AN 17 1676 100091
Serra Sant'Abbondio PU 17 1027 101118
Staffolo AN 17 2253 103371
Ostra Vetere AN 18 3311 106682

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km S of Fano (60888 inhabitants)
47 Km W of Ancona (100861 inhabitants)
51 Km S of Pesaro (94582 inhabitants)
60 Km NE of Foligno (57155 inhabitants)
61 Km NE of Perugia (166134 inhabitants)
75 Km SE of Rimini (147750 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
96 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 0.8
2006-03-21
10:55:31
43.455 12.976 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 558499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-03-21 10:55:31 ± 0.18
Latitude 43.4550 ± 0.0108
Longitude 12.9760 ± 0.0186
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 558499

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1526
Semi-minor axis of confidence ellipse (meter) 1053
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) 1920.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.20235
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 558499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:44:29

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 558499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:44:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.SHZ. 2006-03-21T10:55:40.24 0.1 undecidable manual Sg 187 22.4553 0.134 48
IV.CING.HHZ. 2006-03-21T10:55:38.79 0.1 undecidable manual Sg 117 19.7691 -0.479 45
IV.SNTG.SHZ. 2006-03-21T10:55:36.30 0.3 undecidable manual Pg 187 22.4553 -0.203 71
IV.CING.HHZ. 2006-03-21T10:55:36.52 0.3 undecidable manual Pg 117 19.7691 0.498 66
IV.ARV.SHZ. 2006-03-21T10:55:35.36 0.1 undecidable manual Sg 329 5.4945 -0.177 49
IV.ARV.SHZ. 2006-03-21T10:55:33.91 0.1 undecidable manual Pg 329 5.4945 0.043 100
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