Earthquake with magnitude of ML 1.2 on date 31-03-2011 and time 04:29:35 (Italy) in region 1 km NW Castelleone di Suasa (AN)

A magnitude ML 1.2 earthquake occured in region: 1 km NW Castelleone di Suasa (AN), on

  • 31-03-2011 02:29:35 (UTC)
  • 31-03-2011 04:29:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6170, 12.9640 at 42 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
Castelleone di Suasa AN 2 1676 1676
San Lorenzo in Campo PU 2 3414 5090
Fratte Rosa PU 5 966 6056
Barbara AN 6 1368 7424
Mondavio PU 7 3810 11234
Barchi PU 7 967 12201
Ostra Vetere AN 8 3311 15512
Corinaldo AN 8 4998 20510
Orciano di Pesaro PU 8 2028 22538
Serra de' Conti AN 10 3746 26284
Monte Porzio PU 11 2836 29120
Sant'Ippolito PU 11 1563 30683
San Giorgio di Pesaro PU 11 1388 32071
Pergola PU 12 6333 38404
Montecarotto AN 13 1987 40391
Arcevia AN 13 4612 45003
Trecastelli AN 13 7625 52628
Piagge PU 13 1022 53650
Montemaggiore al Metauro PU 14 2893 56543
Poggio San Marcello AN 15 693 57236
Fossombrone PU 15 9575 66811
Ostra AN 16 6875 73686
Saltara PU 16 6925 80611
Serrungarina PU 16 2634 83245
Castelplanio AN 17 3540 86785
Montefelcino PU 17 2671 89456
Belvedere Ostrense AN 17 2234 91690
Rosora AN 17 1985 93675
Mergo AN 17 1037 94712
Cartoceto PU 18 7887 102599
Mondolfo PU 18 14277 116876
San Costanzo PU 19 4786 121662
Serra San Quirico AN 19 2850 124512
Isola del Piano PU 20 594 125106
Maiolati Spontini AN 20 6248 131354

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km S of Fano (60888 inhabitants)
33 Km S of Pesaro (94582 inhabitants)
45 Km W of Ancona (100861 inhabitants)
59 Km SE of Rimini (147750 inhabitants)
73 Km NE of Perugia (166134 inhabitants)
76 Km N of Foligno (57155 inhabitants)
82 Km SE of Cesena (96758 inhabitants)
89 Km E of Arezzo (99543 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 1.8
ML 1.2
2011-03-31
02:29:35
43.617 12.964 42 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1189239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-03-31 02:29:35 ± 0.24
Latitude 43.6170 ± 0.0153
Longitude 12.9640 ± 0.0149
Depth (km) 42 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1189239

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1388
Semi-minor axis of confidence ellipse (meter) 1255
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 2080.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79050
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1189239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:14:10

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1189239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:14:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.SABO.HHN. 2011-03-31T02:30:10.89 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2011-03-31T02:30:02.75 0.6 undecidable manual Sg 172 87.7455 1.012 33
IV.AOI.HHE. 2011-03-31T02:29:54.42 0.6 undecidable manual Sg 98 51.8037 0.299 45
IV.ATPC.HHN. 2011-03-31T02:29:53.05 0.6 undecidable manual Sg 250 43.5231 0.572 42
IV.PIEI.HHE. 2011-03-31T02:29:51.19 0.3 undecidable manual Sg 255 35.6421 0.156 70
IV.SNTG.HHN. 2011-03-31T02:29:51.66 0.6 undecidable manual Sg 183 40.2264 -0.201 46
IV.NRCA.HHE. 2011-03-31T02:29:50.74 0.3 undecidable manual Pg 172 87.7455 0.079 66
IV.SSFR.HHE. 2011-03-31T02:29:49.45 0.3 undecidable manual Sg 216 24.8529 0.128 72
IV.FSSB.HHE. 2011-03-31T02:29:48.86 0.6 undecidable manual Sg 299 17.1717 0.475 44
IV.ARVD.HHE. 2011-03-31T02:29:47.75 0.3 undecidable manual Sg 188 13.3755 -0.274 71
IV.AOI.HHE. 2011-03-31T02:29:46.35 0.3 undecidable manual Pg 98 51.8037 0.086 70
IV.ATPC.HHN. 2011-03-31T02:29:45.45 0.3 undecidable manual Pg 250 43.5231 0.135 70
IV.PIEI.HHE. 2011-03-31T02:29:44.06 0.3 undecidable manual Pg 255 35.6421 -0.422 67
IV.SNTG.HHN. 2011-03-31T02:29:44.51 0.3 undecidable manual Pg 183 40.2264 -0.449 65
IV.SSFR.HHE. 2011-03-31T02:29:43.47 0.6 undecidable manual Pg 216 24.8529 -0.023 49
IV.FSSB.HHE. 2011-03-31T02:29:42.92 0.1 undecidable manual Pg 299 17.1717 -0.032 100
IV.ARVD.HHE. 2011-03-31T02:29:42.31 0.1 undecidable manual Pg 188 13.3755 -0.434 92
IV.MURB.HHN. 2011-03-31T02:29:41.48 10.0 undecidable manual Sg 0 0 0
IV.MURB.HHN. 2011-03-31T02:29:39.55 10.0 undecidable manual Pg 0 0 0
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