Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 05-07-2011 and time 03:20:20 (Italy) in region 3 km E Montegallo (AP)

A magnitude ML 2.2 earthquake occured in region: 3 km E Montegallo (AP), on

  • 05-07-2011 01:20:20 (UTC)
  • 05-07-2011 03:20:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8440, 13.3740 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
Montegallo AP 3 523 523
Montemonaco AP 7 604 1127
Roccafluvione AP 9 2010 3137
Acquasanta Terme AP 9 2916 6053
Palmiano AP 9 196 6249
Arquata del Tronto AP 10 1178 7427
Venarotta AP 11 2066 9493
Montefortino FM 11 1178 10671
Comunanza AP 13 3166 13837
Amandola FM 15 3629 17466
Valle Castellana TE 16 977 18443
Force AP 16 1354 19797
Ascoli Piceno AP 17 49407 69204
Montefalcone Appennino FM 18 424 69628
Castelsantangelo sul Nera MC 19 281 69909
Smerillo FM 19 365 70274
Accumoli RI 19 667 70941
Rotella AP 20 906 71847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Teramo (54892 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
56 Km E of Foligno (57155 inhabitants)
67 Km E of Terni (111501 inhabitants)
73 Km NW of Montesilvano (53738 inhabitants)
81 Km NW of Pescara (121014 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
85 Km E of Perugia (166134 inhabitants)
87 Km S of Ancona (100861 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 2.5
ML 2.2 		2011-07-05
01:20:20		 42.844 13.374 20 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1252029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-07-05 01:20:20 ± 0.08
Latitude 42.8440 ± 0.0036
Longitude 13.3740 ± 0.0061
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1252029

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 571
Semi-minor axis of confidence ellipse (meter) 47
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 78
Number of defining phases 74
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.38675
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 40
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1252029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:39:24

Md:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1252029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:39:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHE. 2011-07-05T01:21:18.29 10.0 undecidable manual Pg 0 0 0
IV.PARC.HHN. 2011-07-05T01:20:58.07 0.1 undecidable manual Sg 315 127.9719 0.53 72
IV.POFI.HHE. 2011-07-05T01:20:57.78 0.1 undecidable manual Sg 167 127.9719 0.23 78
IV.BADI.EHZ. 2011-07-05T01:20:55.18 0.1 undecidable manual Sg 309 117.4935 0.437 76
IV.ATMC.EHZ. 2011-07-05T01:20:55.00 0.1 undecidable manual Sg 305 116.6943 0.475 76
IV.LPEL.HHZ. 2011-07-05T01:20:53.41 0.1 undecidable manual Sg 143 110.5005 0.518 76
IV.FSSB.HHZ. 2011-07-05T01:20:52.21 0.1 undecidable manual Sg 333 105.8163 0.568 75
IV.CERT.HHN. 2011-07-05T01:20:51.46 0.1 undecidable manual Sg 198 104.3178 0.21 82
IV.INTR.HHE. 2011-07-05T01:20:51.38 0.1 undecidable manual Sg 155 102.0201 0.732 71
IV.MGAB.HHZ. 2011-07-05T01:20:51.07 0.1 undecidable manual Sg 275 102.8193 0.22 82
IV.ATPC.HHZ. 2011-07-05T01:20:51.58 0.1 undecidable manual Sg 314 102.4197 0.838 67
IV.MPAG.EHZ. 2011-07-05T01:20:50.65 0.1 undecidable manual Sg 331 100.2219 0.483 78
IV.ATVO.HHE. 2011-07-05T01:20:50.33 0.1 undecidable manual Sg 308 98.4237 0.639 74
IV.FRON.EHZ. 2011-07-05T01:20:47.94 0.1 undecidable manual Sg 325 91.242 0.154 85
IV.T0502.EHZ. 2011-07-05T01:20:46.44 0.1 undecidable manual Pg 320 153.9348 0.603 66
IV.AOI.HHE. 2011-07-05T01:20:45.34 0.1 undecidable manual Sg 13 80.4639 0.415 83
IV.MURB.HHZ. 2011-07-05T01:20:45.76 0.1 undecidable manual Sg 304 83.0502 0.159 87
IV.SSFR.HHZ. 2011-07-05T01:20:45.51 0.1 undecidable manual Sg 324 81.252 0.374 83
IV.ARVD.HHN. 2011-07-05T01:20:45.07 0.1 undecidable manual Sg 334 80.5638 0.132 88
IV.CRE.HHN. 2011-07-05T01:20:44.81 0.1 undecidable manual Pg 307 143.5452 0.392 73
IV.CPGN.EHZ. 2011-07-05T01:20:43.52 0.1 undecidable manual Pg 322 135.9639 0.258 76
IV.CAFI.HHN. 2011-07-05T01:20:43.18 10.0 undecidable manual Pg 0 0 0
IV.ATCC.EHZ. 2011-07-05T01:20:42.55 0.1 undecidable manual Sg 303 70.4739 0.262 87
IV.CESX.HHZ. 2011-07-05T01:20:42.26 0.1 undecidable manual Sg 248 69.2751 0.313 86
IV.POFI.HHE. 2011-07-05T01:20:42.24 0.1 undecidable manual Pg 167 127.9719 0.206 79
IV.PARC.HHN. 2011-07-05T01:20:41.77 0.1 undecidable manual Pg 315 127.9719 -0.259 78
IV.FAGN.HHZ. 2011-07-05T01:20:41.18 0.1 undecidable manual Sg 165 66.378 -0.02 92
IV.SACS.HHZ. 2011-07-05T01:20:41.04 0.1 undecidable manual Pg 271 119.0919 0.381 77
IV.ATMC.EHZ. 2011-07-05T01:20:41.25 0.3 undecidable manual Pg 305 116.6943 0.962 46
IV.FIR.HHZ. 2011-07-05T01:20:40.63 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2011-07-05T01:20:40.50 0.1 undecidable manual Sg 142 62.7927 0.26 89
IV.LPEL.HHZ. 2011-07-05T01:20:39.63 0.1 undecidable manual Pg 143 110.5005 0.285 80
IV.BADI.EHZ. 2011-07-05T01:20:39.90 0.1 undecidable manual Pg 309 117.4935 -0.514 76
IV.SNTG.HHZ. 2011-07-05T01:20:39.03 0.1 undecidable manual Sg 323 57.498 0.159 91
IV.VVLD.HHZ. 2011-07-05T01:20:39.59 0.1 undecidable manual Pg 169 110.0121 0.323 80
IV.CING.HHN. 2011-07-05T01:20:39.86 0.1 undecidable manual Sg 346 60.6948 0.157 91
IV.MGAB.HHZ. 2011-07-05T01:20:38.30 0.1 undecidable manual Pg 275 102.8193 0.134 84
MN.AQU.HHZ. 2011-07-05T01:20:38.15 0.1 undecidable manual Sg 177 54.4011 0.1 93
IV.FSSB.HHZ. 2011-07-05T01:20:38.45 0.1 undecidable manual Pg 333 105.8163 -0.173 83
IV.INTR.HHE. 2011-07-05T01:20:38.15 0.1 undecidable manual Pg 155 102.0201 0.101 85
IV.ATPC.HHZ. 2011-07-05T01:20:37.65 0.1 undecidable manual Pg 314 102.4197 -0.454 79
IV.MPAG.EHZ. 2011-07-05T01:20:37.10 0.1 undecidable manual Pg 331 100.2219 -0.672 73
IV.CERT.HHN. 2011-07-05T01:20:37.67 0.1 undecidable manual Pg 198 104.3178 -0.727 71
IV.ATTE.HHZ. 2011-07-05T01:20:37.37 0.1 undecidable manual Pg 296 91.5417 0.93 66
IV.ATVO.HHE. 2011-07-05T01:20:36.73 0.1 undecidable manual Pg 308 98.4237 -0.767 71
IV.TRTR.HHN. 2011-07-05T01:20:36.01 0.1 undecidable manual Sg 95 44.1225 0.631 83
IV.FRON.EHZ. 2011-07-05T01:20:35.59 0.1 undecidable manual Pg 325 91.242 -0.807 71
IV.LNSS.HHZ. 2011-07-05T01:20:34.14 0.1 undecidable manual Sg 226 38.1285 0.303 92
IV.ARVD.HHN. 2011-07-05T01:20:34.08 0.1 undecidable manual Pg 334 80.5638 -0.672 76
IV.RM33.EHZ. 2011-07-05T01:20:34.34 0.1 undecidable manual Sg 199 39.3273 0.187 94
IV.AOI.HHE. 2011-07-05T01:20:34.17 0.1 undecidable manual Pg 13 80.4639 -0.575 79
IV.CESI.HHZ. 2011-07-05T01:20:34.99 0.1 undecidable manual Sg 295 42.0246 0.142 94
IV.MURB.HHZ. 2011-07-05T01:20:34.51 0.1 undecidable manual Pg 304 83.0502 -0.626 78
IV.SSFR.HHZ. 2011-07-05T01:20:34.05 0.1 undecidable manual Pg 324 81.252 -0.817 72
IV.RM29.EHZ. 2011-07-05T01:20:33.41 0.1 undecidable manual Sg 0 0 0
IV.ATCC.EHZ. 2011-07-05T01:20:32.51 0.1 undecidable manual Pg 303 70.4739 -0.713 77
IV.RM32.EHZ. 2011-07-05T01:20:32.46 0.1 undecidable manual Sg 0 0 0
IV.CESX.HHZ. 2011-07-05T01:20:32.63 0.1 undecidable manual Pg 248 69.2751 -0.396 85
IV.MRB1.HHZ. 2011-07-05T01:20:32.15 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHZ. 2011-07-05T01:20:31.86 0.1 undecidable manual Sg 313 31.5462 -0.339 92
IV.VCEL.EHZ. 2011-07-05T01:20:31.49 0.1 undecidable manual Pg 142 62.7927 -0.55 82
IV.OFFI.HHE. 2011-07-05T01:20:31.09 0.1 undecidable manual Sg 68 27.3504 -0.075 97
IV.FAGN.HHZ. 2011-07-05T01:20:31.87 0.1 undecidable manual Pg 165 66.378 -0.724 76
IV.CING.HHN. 2011-07-05T01:20:30.91 0.1 undecidable manual Pg 346 60.6948 -0.82 74
MN.AQU.HHZ. 2011-07-05T01:20:30.30 0.1 undecidable manual Pg 177 54.4011 -0.476 86
IV.SNTG.HHZ. 2011-07-05T01:20:30.46 0.1 undecidable manual Pg 323 57.498 -0.79 76
IV.GUMA.HHZ. 2011-07-05T01:20:30.83 0.1 undecidable manual Sg 353 24.4533 0.332 94
IV.TRTR.HHN. 2011-07-05T01:20:29.56 0.1 undecidable manual Pg 95 44.1225 0.327 91
IV.NRCA.HHZ. 2011-07-05T01:20:29.71 0.1 undecidable manual Sg 267 21.1677 -0.036 100
IV.CESI.HHZ. 2011-07-05T01:20:28.36 0.1 positive manual Pg 295 42.0246 -0.567 86
IV.LNSS.HHZ. 2011-07-05T01:20:28.04 0.1 undecidable manual Pg 226 38.1285 -0.304 92
IV.RM33.EHZ. 2011-07-05T01:20:28.12 0.1 undecidable manual Pg 199 39.3273 -0.406 90
IV.RM32.EHZ. 2011-07-05T01:20:27.08 0.1 undecidable manual Pg 0 0 0
IV.RM29.EHZ. 2011-07-05T01:20:27.48 0.1 undecidable manual Pg 0 0 0
IV.GUMA.HHZ. 2011-07-05T01:20:26.13 0.1 undecidable manual Pg 353 24.4533 -0.286 94
IV.FDMO.HHZ. 2011-07-05T01:20:26.76 0.1 undecidable manual Pg 313 31.5462 -0.638 85
IV.OFFI.HHE. 2011-07-05T01:20:26.95 0.1 undecidable manual Pg 68 27.3504 0.15 97
IV.NRCA.HHZ. 2011-07-05T01:20:25.62 0.1 undecidable manual Pg 267 21.1677 -0.361 93
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
Waveforms Seismic signals in miniseed + resp format Download