Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-10-2011 and time 13:57:26 (UTC) in region 5 km NW Cagli (PU)

A magnitude ML 2.0 earthquake occured in region: 5 km NW Cagli (PU), on

  • 09-10-2011 13:57:26 (UTC)
  • 09-10-2011 15:57:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5770, 12.6030 at 44 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
Cagli PU 5 8731 8731
Acqualagna PU 7 4393 13124
Piobbico PU 8 2029 15153
Cantiano PU 12 2245 17398
Fermignano PU 12 8596 25994
Urbania PU 12 7099 33093
Frontone PU 13 1300 34393
Apecchio PU 15 1882 36275
Peglio PU 16 696 36971
Serra Sant'Abbondio PU 17 1027 37998
Urbino PU 17 15019 53017
Sant'Angelo in Vado PU 18 4133 57150
Pergola PU 19 6333 63483
Scheggia e Pascelupo PG 20 1393 64876
Pietralunga PG 20 2111 66987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SW of Fano (60888 inhabitants)
45 Km SW of Pesaro (94582 inhabitants)
54 Km S of Rimini (147750 inhabitants)
55 Km NE of Perugia (166134 inhabitants)
59 Km E of Arezzo (99543 inhabitants)
69 Km SE of Cesena (96758 inhabitants)
70 Km N of Foligno (57155 inhabitants)
74 Km W of Ancona (100861 inhabitants)
85 Km SE of Forlì (117913 inhabitants)
98 Km SE of Faenza (58541 inhabitants)
99 Km SE of Ravenna (159116 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 1.7
ML 2.0 		2011-10-09
13:57:26		 43.577 12.603 44 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1295589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-10-09 13:57:26 ± 0.39
Latitude 43.5770 ± 0.0189
Longitude 12.6030 ± 0.0310
Depth (km) 44 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1295589

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2231
Semi-minor axis of confidence ellipse (meter) 1893
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 3265.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.64
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85526
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1295589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:40:22

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1295589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:40:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.SHZ. 2011-10-09T13:57:55.81 10.0 undecidable manual Pg 0 0 0
IV.VMG.SHZ. 2011-10-09T13:57:54.95 0.1 undecidable manual Sg 297 94.9383 0.413 81
IV.CIGN.HHE. 2011-10-09T13:57:48.86 10.0 undecidable manual Pg 0 0 0
IV.VMG.SHZ. 2011-10-09T13:57:43.63 0.1 undecidable manual Pg 297 94.9383 0.831 69
IV.ARVD.HHN. 2011-10-09T13:57:42.05 0.1 undecidable manual Sg 108 28.6491 0.739 82
IV.ATMC.EHN. 2011-10-09T13:57:42.36 0.1 undecidable manual Sg 246 36.0417 -0.139 97
IV.MURB.HHN. 2011-10-09T13:57:42.78 0.1 undecidable manual Sg 190 35.4423 0.386 92
IV.SSFR.HHN. 2011-10-09T13:57:40.90 0.1 undecidable manual Sg 137 21.2676 0.578 89
IV.FSSB.HHN. 2011-10-09T13:57:40.48 0.1 undecidable manual Sg 47 18.9699 0.419 93
IV.FRON.EHN. 2011-10-09T13:57:39.69 0.1 undecidable manual Sg 124 11.877 0.281 97
IV.PIEI.HHN. 2011-10-09T13:57:38.91 0.1 undecidable manual Sg 230 7.0929 -0.223 100
IV.PTF.SHZ. 2011-10-09T13:57:37.36 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2011-10-09T13:57:36.41 0.1 undecidable manual Pg 190 35.4423 0.622 86
IV.ATMC.EHN. 2011-10-09T13:57:35.19 0.1 undecidable manual Pg 246 36.0417 -0.656 84
IV.SSFR.HHN. 2011-10-09T13:57:34.02 0.1 undecidable manual Pg 137 21.2676 -0.571 89
IV.ARVD.HHN. 2011-10-09T13:57:34.74 0.1 undecidable manual Pg 108 28.6491 -0.424 92
IV.FSSB.HHN. 2011-10-09T13:57:33.84 0.1 undecidable manual Pg 47 18.9699 -0.601 89
IV.PIEI.HHN. 2011-10-09T13:57:33.06 0.1 undecidable manual Pg 230 7.0929 -0.846 82
IV.FRON.EHN. 2011-10-09T13:57:33.45 0.1 undecidable manual Pg 124 11.877 -0.615 89
IV.ORI.HHN. 2011-10-09T13:57:27.20 10.0 undecidable manual Pg 0 0 0
GU.SATI.HHE. 2011-10-09T13:57:10.40 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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