Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 29-08-2011 and time 05:51:49 (UTC) in region Costa Marchigiana Fermana (Fermo)

A magnitude ML 2.3 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on

  • 29-08-2011 05:51:49 (UTC)
  • 29-08-2011 07:51:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2600, 13.8170 at 20 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
Porto Sant'Elpidio FM 5 26152 26152
Porto San Giorgio FM 8 16121 42273
Civitanova Marche MC 9 41983 84256
Sant'Elpidio a Mare FM 11 17110 101366
Monte Urano FM 13 8353 109719
Fermo FM 14 37655 147374
Montegranaro FM 15 12990 160364
Montecosaro MC 16 7113 167477
Lapedona FM 17 1166 168643
Altidona FM 17 3390 172033
Pedaso FM 18 2800 174833
Monte San Giusto MC 18 8191 183024
Torre San Patrizio FM 19 2048 185072
Potenza Picena MC 20 15936 201008
Campofilone FM 20 1916 202924

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SE of Ancona (100861 inhabitants)
67 Km N of Teramo (54892 inhabitants)
87 Km NW of Montesilvano (53738 inhabitants)
91 Km SE of Fano (60888 inhabitants)
94 Km NW of Pescara (121014 inhabitants)
96 Km E of Foligno (57155 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 2.7
ML 2.3 		2011-08-29
05:51:49		 43.26 13.817 20 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1278699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-29 05:51:49 ± 0.21
Latitude 43.2600 ± 0.0108
Longitude 13.8170 ± 0.0136
Depth (km) 20 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1278699

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1087
Semi-minor axis of confidence ellipse (meter) 809
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 1627.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 231
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.58
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.20869
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1278699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:16:39

Md:2.7

Field Value
Value 2.7
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1278699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:16:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHE. 2011-08-29T05:52:34.56 10.0 undecidable manual Sg 0 0 0
IV.CAFI.HHN. 2011-08-29T05:52:34.43 10.0 undecidable manual Sg 0 0 0
IV.FIAM.HHE. 2011-08-29T05:52:30.04 10.0 undecidable manual Sg 0 0 0
IV.BSSO.HHE. 2011-08-29T05:52:28.68 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHZ. 2011-08-29T05:52:22.71 10.0 undecidable manual Pg 0 0 0
IV.ATCC.EHN. 2011-08-29T05:52:18.74 0.6 undecidable manual Sg 265 95.5377 1.08 33
IV.T0502.EHZ. 2011-08-29T05:52:17.10 10.0 undecidable manual Pg 0 0 0
IV.CAFI.HHN. 2011-08-29T05:52:17.48 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2011-08-29T05:52:17.26 10.0 undecidable manual Pg 0 0 0
IV.PTQR.HHZ. 2011-08-29T05:52:16.97 10.0 undecidable manual Pg 0 0 0
IV.ATMC.EHE. 2011-08-29T05:52:16.62 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHZ. 2011-08-29T05:52:15.69 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHE. 2011-08-29T05:52:14.17 10.0 undecidable manual Pg 0 0 0
IV.BADI.EHZ. 2011-08-29T05:52:14.43 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHE. 2011-08-29T05:52:14.47 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHZ. 2011-08-29T05:52:13.03 0.3 undecidable manual Sg 291 75.369 0.7 63
IV.CESI.HHZ. 2011-08-29T05:52:13.62 0.3 undecidable manual Sg 249 79.0653 0.309 67
IV.CPGN.EHZ. 2011-08-29T05:52:13.91 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2011-08-29T05:52:12.04 0.3 undecidable manual Sg 231 73.9704 0.065 71
IV.PARC.HHN. 2011-08-29T05:52:12.40 0.3 undecidable manual Pg 289 134.1657 0.663 55
IV.SNTG.HHZ. 2011-08-29T05:52:11.15 0.3 undecidable manual Sg 270 70.7736 0.027 72
IV.ATTE.HHZ. 2011-08-29T05:52:10.15 0.3 undecidable manual Pg 267 118.4925 0.832 53
IV.FDMO.HHZ. 2011-08-29T05:52:09.37 0.3 undecidable manual Sg 247 63.9915 0.019 74
IV.ATVO.HHZ. 2011-08-29T05:52:08.68 0.3 undecidable manual Pg 277 114.5964 -0.048 66
IV.ATPC.HHZ. 2011-08-29T05:52:08.66 0.3 undecidable manual Pg 283 112.3986 0.279 64
IV.VCEL.EHN. 2011-08-29T05:52:07.02 0.3 undecidable manual Pg 179 96.0261 1.148 45
IV.FAGN.HHZ. 2011-08-29T05:52:07.51 0.3 undecidable manual Pg 190 111.8991 -0.799 56
IV.PIEI.HHE. 2011-08-29T05:52:07.39 0.3 undecidable manual Pg 287 107.7144 -0.284 63
IV.FSSB.HHZ. 2011-08-29T05:52:06.26 0.3 undecidable manual Pg 300 96.5256 0.307 66
IV.ATCC.EHN. 2011-08-29T05:52:05.79 0.3 undecidable manual Pg 265 95.5377 -0.005 69
IV.FRON.EHZ. 2011-08-29T05:52:05.14 0.3 undecidable manual Pg 288 92.5407 -0.196 66
IV.LNSS.HHE. 2011-08-29T05:52:05.79 0.3 undecidable manual Pg 221 96.3258 -0.139 68
IV.CING.HHZ. 2011-08-29T05:52:05.93 0.1 undecidable manual Sg 285 51.8037 -0.205 94
IV.MPAG.EHZ. 2011-08-29T05:52:05.61 0.3 undecidable manual Pg 296 94.5387 -0.034 68
IV.SSFR.HHE. 2011-08-29T05:52:04.19 0.1 undecidable manual Pg 284 85.7475 -0.11 91
IV.GUMA.HHZ. 2011-08-29T05:52:04.36 0.3 undecidable manual Sg 241 44.7219 0.06 76
IV.CAMP.HHZ. 2011-08-29T05:52:04.21 0.1 undecidable manual Pg 203 86.8464 -0.264 91
IV.ARVD.HHZ. 2011-08-29T05:52:02.43 0.3 undecidable manual Pg 291 75.369 -0.287 67
IV.NRCA.HHZ. 2011-08-29T05:52:02.18 0.1 undecidable manual Pg 231 73.9704 -0.332 91
IV.CESI.HHZ. 2011-08-29T05:52:02.88 0.3 undecidable manual Pg 249 79.0653 -0.402 66
IV.TERO.HHZ. 2011-08-29T05:52:02.31 0.3 undecidable manual Pg 194 72.7716 -0.006 71
IV.SNTG.HHZ. 2011-08-29T05:52:01.51 0.3 undecidable manual Pg 270 70.7736 -0.51 65
IV.FDMO.HHZ. 2011-08-29T05:52:00.54 0.3 undecidable manual Pg 247 63.9915 -0.452 67
IV.TRTR.HHE. 2011-08-29T05:52:00.67 0.3 undecidable manual Pg 171 50.7159 1.689 35
IV.CING.HHZ. 2011-08-29T05:51:58.68 0.1 undecidable manual Pg 285 51.8037 -0.46 90
IV.GUMA.HHZ. 2011-08-29T05:51:57.98 0.1 undecidable manual Pg 241 44.7219 -0.099 100
IV.BDI.HHZ. 2011-08-29T05:51:55.65 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
Waveforms Seismic signals in miniseed + resp format Download