Earthquake with magnitude of ML 1.9 on date 31-08-2011 and time 11:16:51 (UTC) in region 2 km W Ostra Vetere (AN)

A magnitude ML 1.9 earthquake occured in region: 2 km W Ostra Vetere (AN), on

  • 31-08-2011 11:16:51 (UTC)
  • 31-08-2011 13:16:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6050, 13.0280 at 36 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
Ostra Vetere AN 2 3311 3311
Barbara AN 3 1368 4679
Castelleone di Suasa AN 4 1676 6355
Corinaldo AN 5 4998 11353
San Lorenzo in Campo PU 7 3414 14767
Serra de' Conti AN 7 3746 18513
Mondavio PU 9 3810 22323
Montecarotto AN 9 1987 24310
Monte Porzio PU 10 2836 27146
Trecastelli AN 10 7625 34771
Orciano di Pesaro PU 11 2028 36799
Ostra AN 11 6875 43674
Fratte Rosa PU 11 966 44640
Barchi PU 11 967 45607
Poggio San Marcello AN 11 693 46300
Belvedere Ostrense AN 12 2234 48534
Castelplanio AN 13 3540 52074
San Giorgio di Pesaro PU 13 1388 53462
Arcevia AN 14 4612 58074
Rosora AN 14 1985 60059
San Marcello AN 15 2057 62116
Mergo AN 15 1037 63153
Morro d'Alba AN 15 1903 65056
Sant'Ippolito PU 15 1563 66619
Piagge PU 16 1022 67641
Maiolati Spontini AN 16 6248 73889
Castelbellino AN 16 4947 78836
Pergola PU 16 6333 85169
Montemaggiore al Metauro PU 16 2893 88062
Monte Roberto AN 16 3061 91123
Mondolfo PU 17 14277 105400
Serra San Quirico AN 17 2850 108250
San Costanzo PU 18 4786 113036
Monsano AN 19 3405 116441
Cupramontana AN 19 4756 121197
Saltara PU 20 6925 128122
Monte San Vito AN 20 6848 134970
Senigallia AN 20 45027 179997
Jesi AN 20 40399 220396

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Fano (60888 inhabitants)
35 Km S of Pesaro (94582 inhabitants)
40 Km W of Ancona (100861 inhabitants)
63 Km SE of Rimini (147750 inhabitants)
76 Km NE of Perugia (166134 inhabitants)
77 Km NE of Foligno (57155 inhabitants)
86 Km SE of Cesena (96758 inhabitants)
94 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 2.3
ML 1.9
2011-08-31
11:16:51
43.605 13.028 36 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1279359
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-31 11:16:51 ± 0.16
Latitude 43.6050 ± 0.0054
Longitude 13.0280 ± 0.0075
Depth (km) 36 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1279359

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 647
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 848.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 216
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60614
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1279359
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:17:34

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1279359
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:17:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNO.SHZ. 2011-08-31T11:18:27.39 10.0 undecidable manual Pg 0 0 0
IV.TRIV.HHN. 2011-08-31T11:17:38.74 10.0 undecidable manual Pg 0 0 0
IV.CAR1.HHN. 2011-08-31T11:17:34.75 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2011-08-31T11:17:32.04 10.0 undecidable manual Pg 0 0 0
IV.ASQU.HHE. 2011-08-31T11:17:24.87 10.0 undecidable manual Pg 0 0 0
IV.CAFI.HHE. 2011-08-31T11:17:20.54 10.0 undecidable manual Sg 0 0 0
IV.NRCA.HHE. 2011-08-31T11:17:19.86 10.0 undecidable manual Pg 0 0 0
IV.T0502.EHN. 2011-08-31T11:17:18.45 10.0 undecidable manual Sg 0 0 0
IV.CPGN.EHN. 2011-08-31T11:17:14.14 10.0 undecidable manual Pg 0 0 0
IV.PARC.HHE. 2011-08-31T11:17:12.93 0.1 undecidable manual Sg 275 63.5919 0.392 86
IV.MURB.HHZ. 2011-08-31T11:17:11.17 0.1 undecidable manual Sg 227 55.5 0.545 82
IV.ATVO.HHN. 2011-08-31T11:17:10.68 0.1 undecidable manual Sg 244 55.7997 -0.007 92
IV.MGAB.HHZ. 2011-08-31T11:17:10.30 10.0 undecidable manual Pg 0 0 0
IV.ATCC.EHZ. 2011-08-31T11:17:10.86 0.1 undecidable manual Sg 214 56.0994 0.099 91
IV.ATPC.HHZ. 2011-08-31T11:17:09.19 0.1 undecidable manual Sg 253 47.9187 0.301 89
IV.CRE.HHZ. 2011-08-31T11:17:08.82 10.0 undecidable manual Pg 0 0 0
IV.CAFI.HHE. 2011-08-31T11:17:08.60 10.0 undecidable manual Pg 0 0 0
IV.PESA.HHE. 2011-08-31T11:17:08.76 10.0 undecidable manual Pg 0 0 0
IV.CAGR.HHN. 2011-08-31T11:17:07.03 10.0 undecidable manual Pg 0 0 0
IV.T0502.EHN. 2011-08-31T11:17:07.23 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHN. 2011-08-31T11:17:06.90 0.1 undecidable manual Sg 259 40.4262 -0.348 88
IV.SNTG.HHZ. 2011-08-31T11:17:06.82 0.1 undecidable manual Sg 190 39.4272 -0.234 93
IV.GUMA.HHZ. 2011-08-31T11:17:06.50 10.0 undecidable manual Pg 0 0 0
IV.ATMC.EHZ. 2011-08-31T11:17:05.78 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2011-08-31T11:17:05.59 0.1 undecidable manual Sg 152 28.749 0.601 81
IV.FRON.EHZ. 2011-08-31T11:17:04.38 0.1 undecidable manual Sg 248 26.1516 -0.161 95
IV.FSSB.HHZ. 2011-08-31T11:17:04.19 0.1 undecidable manual Sg 296 22.3554 0.249 94
IV.CESI.HHZ. 2011-08-31T11:17:04.00 0.1 undecidable manual Pg 189 67.2771 -0.193 88
IV.SSFR.HHE. 2011-08-31T11:17:04.34 0.1 undecidable manual Sg 227 27.2505 -0.38 91
IV.PARC.HHE. 2011-08-31T11:17:03.68 0.1 undecidable manual Pg 275 63.5919 0.009 91
IV.MPAG.EHZ. 2011-08-31T11:17:03.80 0.1 undecidable manual Sg 277 21.7671 -0.044 98
IV.BADI.EHZ. 2011-08-31T11:17:03.70 0.1 undecidable manual Pg 261 63.8916 -0.015 91
IV.FDMO.HHN. 2011-08-31T11:17:03.46 0.1 undecidable manual Pg 176 63.2922 -0.162 90
IV.ATCC.EHZ. 2011-08-31T11:17:02.44 0.1 undecidable manual Pg 214 56.0994 -0.204 90
IV.MURB.HHZ. 2011-08-31T11:17:02.52 0.1 undecidable manual Pg 227 55.5 -0.049 92
IV.ARVD.HHZ. 2011-08-31T11:17:02.74 0.1 undecidable manual Sg 210 13.7751 -0.106 99
IV.ATVO.HHN. 2011-08-31T11:17:02.60 0.1 undecidable manual Pg 244 55.7997 -0.001 93
IV.ATPC.HHZ. 2011-08-31T11:17:01.47 0.1 undecidable manual Pg 253 47.9187 -0.097 92
IV.PIEI.HHN. 2011-08-31T11:17:00.24 0.1 undecidable manual Pg 259 40.4262 -0.378 88
IV.SNTG.HHZ. 2011-08-31T11:17:00.40 0.1 undecidable manual Pg 190 39.4272 -0.107 95
IV.CING.HHZ. 2011-08-31T11:16:59.78 0.1 undecidable manual Pg 152 28.749 0.468 87
IV.MPAG.EHZ. 2011-08-31T11:16:58.69 0.1 undecidable manual Pg 277 21.7671 0.039 98
IV.FRON.EHZ. 2011-08-31T11:16:58.86 0.1 undecidable manual Pg 248 26.1516 -0.194 94
IV.FSSB.HHZ. 2011-08-31T11:16:58.90 0.1 undecidable manual Pg 296 22.3554 0.19 95
IV.ARVD.HHZ. 2011-08-31T11:16:58.06 0.1 undecidable manual Pg 210 13.7751 -0.016 100
IV.SSFR.HHE. 2011-08-31T11:16:58.91 0.1 undecidable manual Pg 227 27.2505 -0.247 93
IV.ESLN.HHZ. 2011-08-31T11:16:41.79 10.0 undecidable manual Pg 0 0 0
IV.MAON.HHZ. 2011-08-31T11:16:27.20 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