Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 16-08-2012 and time 06:12:08 (UTC) in region 4 km SE Arcevia (AN)

A magnitude ML 1.4 earthquake occured in region: 4 km SE Arcevia (AN), on

  • 16-08-2012 06:12:08 (UTC)
  • 16-08-2012 08:12:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4790, 12.9820 at 37 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.

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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 4 4612 4612
Serra San Quirico AN 4 2850 7462
Mergo AN 5 1037 8499
Genga AN 7 1797 10296
Rosora AN 7 1985 12281
Castelplanio AN 8 3540 15821
Serra de' Conti AN 9 3746 19567
Montecarotto AN 9 1987 21554
Poggio San Marcello AN 9 693 22247
Sassoferrato AN 11 7285 29532
Maiolati Spontini AN 11 6248 35780
Cupramontana AN 12 4756 40536
Barbara AN 12 1368 41904
Monte Roberto AN 13 3061 44965
Castelbellino AN 13 4947 49912
Poggio San Vicino MC 14 246 50158
San Lorenzo in Campo PU 14 3414 53572
Castelleone di Suasa AN 14 1676 55248
Pergola PU 15 6333 61581
Ostra Vetere AN 15 3311 64892
Apiro MC 15 2280 67172
San Paolo di Jesi AN 16 933 68105
Serra Sant'Abbondio PU 17 1027 69132
Fabriano AN 17 31480 100612
Staffolo AN 17 2253 102865
Cerreto d'Esi AN 18 3817 106682
Fratte Rosa PU 18 966 107648
Belvedere Ostrense AN 19 2234 109882
Corinaldo AN 20 4998 114880
Frontone PU 20 1300 116180

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km S of Fano (60888 inhabitants)
46 Km W of Ancona (100861 inhabitants)
48 Km S of Pesaro (94582 inhabitants)
62 Km NE of Foligno (57155 inhabitants)
63 Km NE of Perugia (166134 inhabitants)
73 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
94 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
Reviewed
Rev100 		ML 1.4 2012-08-16
06:12:08		 43.4677 12.9528 39 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2007411
Bulletin
Rev1000 		ML 1.4 2012-08-16
06:12:08		 43.4793 12.9818 37 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 3417261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-08-16 06:12:08 ± 0.24
Latitude 43.4793 ± 0.0126
Longitude 12.9818 ± 0.0186
Depth (km) 37 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3417261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1737
Semi-minor axis of confidence ellipse (meter) 737
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 1740.0
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 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.54409
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 3417261
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:12

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 2007411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-08-16 06:22:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVA.EHZ. 2012-08-16T06:12:29.79 0.6 undecidable manual S 249 60.3951 118 0.79 38
IV.CSP1.EHZ. 2012-08-16T06:12:26.77 0.6 undecidable manual S 157 46.62 125 0.94 37
IV.ATCC.EHZ. 2012-08-16T06:12:24.85 0.6 undecidable manual S 220 42.7239 127 -0.15 47
IV.PIEI.HHZ. 2012-08-16T06:12:23.88 0.6 undecidable manual S 280 36.5412 132 0.16 48
IV.FSSB.HHZ. 2012-08-16T06:12:23.06 0.6 undecidable manual S 325 28.8489 139 0.77 41
IV.FRON.EHZ. 2012-08-16T06:12:21.40 0.6 undecidable manual S 282 21.0678 148 0.34 48
IV.MPAG.EHZ. 2012-08-16T06:12:21.98 0.6 undecidable manual S 313 24.4533 144 0.42 46
IV.SNTG.HHZ. 2012-08-16T06:12:21.43 0.6 undecidable manual S 188 25.1526 143 -0.24 48
IV.CING.HHZ. 2012-08-16T06:12:21.90 0.6 undecidable manual S 124 20.6682 149 0.89 39
IV.SSFR.HHE. 2012-08-16T06:12:20.80 0.3 undecidable manual S 254 16.7721 154 0.29 73
IV.ATVA.EHZ. 2012-08-16T06:12:20.86 0.3 undecidable manual P 249 60.3951 118 0.46 65
IV.ARVD.HHZ. 2012-08-16T06:12:19.68 0.6 undecidable manual S 303 3.8961 174 0.15 51
IV.ATPI.EHZ. 2012-08-16T06:12:18.44 0.1 undecidable manual P 266 46.8198 125 -0.16 94
IV.CSP1.EHZ. 2012-08-16T06:12:18.96 0.3 undecidable manual P 157 46.62 125 0.38 67
IV.ATCC.EHZ. 2012-08-16T06:12:17.53 0.3 undecidable manual P 220 42.7239 127 -0.57 65
IV.PIEI.HHZ. 2012-08-16T06:12:16.90 0.1 undecidable manual P 280 36.5412 132 -0.45 90
IV.FSSB.HHZ. 2012-08-16T06:12:16.63 0.1 undecidable manual P 325 28.8489 139 0.1 98
IV.FRON.EHZ. 2012-08-16T06:12:15.48 0.1 undecidable manual P 282 21.0678 148 -0.34 95
IV.SSFR.HHE. 2012-08-16T06:12:15.04 0.1 undecidable manual P 254 16.7721 154 -0.46 93
IV.SNTG.HHZ. 2012-08-16T06:12:15.67 0.1 undecidable manual P 188 25.1526 143 -0.5 91
IV.MPAG.EHZ. 2012-08-16T06:12:15.97 0.1 undecidable manual P 313 24.4533 144 -0.14 99
IV.CING.HHZ. 2012-08-16T06:12:15.78 0.3 undecidable manual P 124 20.6682 149 -0.01 76
IV.ARVD.HHZ. 2012-08-16T06:12:14.69 0.1 undecidable manual P 303 3.8961 174 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.2 0.0000645 0.62 AML other m 2012-08-16T06:12:20.07
IV.ARVD.HHN. ML:1.0 0.00003505 0.16 AML other m 2012-08-16T06:12:20.13
IV.ATPI.EHN. ML:0.9 0.00001571 1.42 AML other m 2012-08-16T06:12:30.81
IV.ATPI.EHE. ML:0.8 0.000013995 1.58 AML other m 2012-08-16T06:12:30.33
IV.CING.HHN. ML:1.7 0.00016849999999999998 0.58 AML other m 2012-08-16T06:12:47.16
IV.CING.HHE. ML:1.4 0.00009325 0.48 AML other m 2012-08-16T06:12:48.38
IV.FSSB.HHN. ML:1.9 0.0002305 0.32 AML other m 2012-08-16T06:12:23.46
IV.FSSB.HHE. ML:1.7 0.00014850000000000003 0.48 AML other m 2012-08-16T06:12:23.44
IV.PIEI.HHE. ML:1.4 0.000056550000000000006 1.04 AML other m 2012-08-16T06:12:24.07
IV.PIEI.HHN. ML:1.2 0.000039 0.2 AML other m 2012-08-16T06:12:24.06
IV.SNTG.HHN. ML:1.6 0.000131 0.2 AML other m 2012-08-16T06:12:21.64
IV.SNTG.HHE. ML:1.3 0.0000619 0.4 AML other m 2012-08-16T06:12:21.83
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