Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 18-01-2012 and time 00:09:13 (Italy) in region 4 km SW Petriano (PU)

A magnitude ML 1.0 earthquake occured in region: 4 km SW Petriano (PU), on

  • 17-01-2012 23:09:13 (UTC)
  • 18-01-2012 00:09:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7500, 12.7000 at 17 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
Petriano PU 4 2829 2829
Urbino PU 6 15019 17848
Isola del Piano PU 7 594 18442
Montecalvo in Foglia PU 9 2718 21160
Fermignano PU 9 8596 29756
Montefelcino PU 11 2671 32427
Fossombrone PU 11 9575 42002
Monteciccardo PU 12 1690 43692
Vallefoglia PU 12 15018 58710
Mondaino RN 12 1394 60104
Montegridolfo RN 12 1012 61116
Auditore PU 13 1566 62682
Montelabbate PU 13 6938 69620
Mombaroccio PU 14 2152 71772
Tavoleto PU 14 867 72639
Saludecio RN 14 3120 75759
Serrungarina PU 14 2634 78393
Acqualagna PU 15 4393 82786
Cartoceto PU 15 7887 90673
Sant'Ippolito PU 16 1563 92236
Saltara PU 16 6925 99161
Sassocorvaro PU 17 3504 102665
Urbania PU 17 7099 109764
Tavullia PU 17 8003 117767
Montefiore Conca RN 17 2269 120036
Peglio PU 17 696 120732
Morciano di Romagna RN 19 7045 127777
Gemmano RN 20 1158 128935
Montemaggiore al Metauro PU 20 2893 131828

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Pesaro (94582 inhabitants)
28 Km W of Fano (60888 inhabitants)
36 Km SE of Rimini (147750 inhabitants)
57 Km SE of Cesena (96758 inhabitants)
68 Km W of Ancona (100861 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
75 Km SE of Forlì (117913 inhabitants)
76 Km NE of Perugia (166134 inhabitants)
84 Km SE of Ravenna (159116 inhabitants)
88 Km N of Foligno (57155 inhabitants)
88 Km SE of Faenza (58541 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 1.4
ML 1.0 		2012-01-17
23:09:13		 43.75 12.7 17 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1333659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-01-17 23:09:13 ± 0.12
Latitude 43.7500 ± 0.0054
Longitude 12.7000 ± 0.0037
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1333659

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 644
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 287
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31926
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1333659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:33:14

Md:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1333659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:33:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.FINB.HHE. 2012-01-17T23:09:29.11 10.0 undecidable manual Pg 0 0 0
IV.SSFR.HHE. 2012-01-17T23:09:25.49 0.6 undecidable manual Sg 169 35.4423 0.19 47
IV.ARVD.HHE. 2012-01-17T23:09:24.92 0.3 undecidable manual Sg 145 34.0437 -0.016 73
IV.PIEI.HHE. 2012-01-17T23:09:23.24 0.3 undecidable manual Sg 209 27.2505 0.025 74
IV.FRON.EHE. 2012-01-17T23:09:22.94 0.6 undecidable manual Sg 175 25.8519 0.057 49
IV.MPAG.EHE. 2012-01-17T23:09:20.13 0.3 undecidable manual Sg 160 14.2746 -0.123 74
IV.SSFR.HHE. 2012-01-17T23:09:20.05 0.3 undecidable manual Pg 169 35.4423 -0.119 72
IV.FSSB.HHZ. 2012-01-17T23:09:19.26 0.3 undecidable manual Sg 136 8.88 -0.076 76
IV.ARVD.HHE. 2012-01-17T23:09:19.93 0.3 undecidable manual Pg 145 34.0437 -0.026 73
IV.FRON.EHE. 2012-01-17T23:09:18.75 0.3 undecidable manual Pg 175 25.8519 -0.017 74
IV.PIEI.HHE. 2012-01-17T23:09:18.89 0.1 undecidable manual Pg 209 27.2505 -0.071 98
IV.MPAG.EHE. 2012-01-17T23:09:17.33 0.1 positive manual Pg 160 14.2746 0.076 100
IV.FSSB.HHZ. 2012-01-17T23:09:16.85 0.1 undecidable manual Pg 136 8.88 0.132 100
IV.T0712.EHN. 2012-01-17T23:09:05.82 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