Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 05-05-2011 and time 05:34:03 (Italy) in region 4 km E Campoli Appennino (FR)

A magnitude ML 2.1 earthquake occured in region: 4 km E Campoli Appennino (FR), on

  • 05-05-2011 03:34:03 (UTC)
  • 05-05-2011 05:34:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7510, 13.7190 at 12 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
Campoli Appennino FR 4 1725 1725
Pescosolido FR 5 1555 3280
Posta Fibreno FR 7 1139 4419
Alvito FR 7 2713 7132
Vicalvi FR 8 783 7915
Broccostella FR 9 2741 10656
Pescasseroli AQ 9 2203 12859
San Donato Val di Comino FR 9 2107 14966
Sora FR 9 26144 41110
Fontechiari FR 10 1303 42413
Opi AQ 10 420 42833
Gallinaro FR 12 1269 44102
Casalvieri FR 13 2698 46800
Settefrati FR 14 728 47528
Balsorano AQ 14 3569 51097
Casalattico FR 14 574 51671
Isola del Liri FR 14 11715 63386
Arpino FR 14 7262 70648
Villavallelonga AQ 15 919 71567
Atina FR 16 4316 75883
Castelliri FR 16 3454 79337
Picinisco FR 17 1218 80555
Villetta Barrea AQ 18 653 81208
Santopadre FR 18 1357 82565
Villa Latina FR 18 1241 83806
Civitella Alfedena AQ 19 296 84102
San Vincenzo Valle Roveto AQ 19 2347 86449
Collelongo AQ 19 1233 87682
Bisegna AQ 19 223 87905

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km SE of L'Aquila (69753 inhabitants)
75 Km E of Latina (125985 inhabitants)
76 Km SW of Chieti (51815 inhabitants)
78 Km E of Velletri (53303 inhabitants)
80 Km E of Tivoli (56533 inhabitants)
87 Km E of Guidonia Montecelio (88673 inhabitants)
89 Km SW of Pescara (121014 inhabitants)
91 Km E of Aprilia (73446 inhabitants)
91 Km NW of Caserta (76326 inhabitants)
92 Km SW of Montesilvano (53738 inhabitants)
96 Km NW of Aversa (53047 inhabitants)
97 Km E of Anzio (54211 inhabitants)
100 Km NW of Giugliano in Campania (122974 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 2.3
ML 2.1 		2011-05-05
03:34:03		 41.751 13.719 12 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1206849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-05-05 03:34:03 ± 0.08
Latitude 41.7510 ± 0.0054
Longitude 13.7190 ± 0.0060
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1206849

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64931
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1206849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:37:56

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1206849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:37:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AOI.HHZ. 2011-05-05T03:34:41.54 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHN. 2011-05-05T03:34:31.57 10.0 undecidable manual Sg 0 0 0
IV.VCEL.EHN. 2011-05-05T03:34:26.19 0.3 undecidable manual Sg 8 72.0723 0.778 72
IV.SMA1.EHZ. 2011-05-05T03:34:26.79 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHN. 2011-05-05T03:34:25.20 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHZ. 2011-05-05T03:34:23.57 0.3 undecidable manual Sg 290 64.6908 0.117 90
IV.RM33.EHN. 2011-05-05T03:34:22.60 10.0 undecidable manual Pg 0 0 0
IV.MODR.HHN. 2011-05-05T03:34:20.12 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHZ. 2011-05-05T03:34:18.49 0.3 undecidable manual Sg 241 44.0226 0.56 85
IV.MIDA.HHZ. 2011-05-05T03:34:18.42 0.3 undecidable manual Sg 105 46.0206 -0.034 95
IV.MSC.EHZ. 2011-05-05T03:34:17.13 10.0 undecidable manual Pg 0 0 0
IV.T0104.HHZ. 2011-05-05T03:34:16.65 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHN. 2011-05-05T03:34:16.16 0.6 undecidable manual Pg 8 72.0723 -0.084 60
IV.CERA.HHZ. 2011-05-05T03:34:14.32 0.6 undecidable manual Sg 124 30.1476 0.099 64
IV.INTR.HHZ. 2011-05-05T03:34:14.84 0.3 undecidable manual Sg 28 32.745 -0.071 97
IV.GUAR.HHZ. 2011-05-05T03:34:14.83 0.3 undecidable manual Sg 278 33.9438 -0.415 88
IV.CERT.HHZ. 2011-05-05T03:34:14.71 0.3 undecidable manual Pg 290 64.6908 -0.403 84
IV.FAGN.HHN. 2011-05-05T03:34:13.75 0.3 undecidable manual Pg 349 58.0974 -0.349 87
IV.VAGA.HHZ. 2011-05-05T03:34:13.76 0.6 undecidable manual Pg 131 56.6988 -0.124 61
IV.MIDA.HHZ. 2011-05-05T03:34:12.10 0.3 undecidable manual Pg 105 46.0206 -0.127 93
IV.GIUL.HHZ. 2011-05-05T03:34:11.90 0.3 undecidable manual Pg 241 44.0226 -0.024 94
IV.RNI2.HHN. 2011-05-05T03:34:10.98 0.6 undecidable manual Pg 98 36.3414 0.243 61
IV.INTR.HHZ. 2011-05-05T03:34:10.00 0.3 undecidable manual Pg 28 32.745 -0.181 94
IV.VVLD.HHZ. 2011-05-05T03:34:10.39 0.3 undecidable manual Sg 329 15.2736 0.082 98
IV.GUAR.HHZ. 2011-05-05T03:34:10.35 0.3 undecidable manual Pg 278 33.9438 -0.025 96
IV.CERA.HHZ. 2011-05-05T03:34:09.50 0.3 undecidable manual Pg 124 30.1476 -0.283 92
IV.POFI.HHE. 2011-05-05T03:34:08.12 0.3 undecidable manual Sg 188 3.7962 0.101 100
IV.VVLD.HHZ. 2011-05-05T03:34:07.62 0.3 undecidable manual Pg 329 15.2736 0.097 98
IV.POFI.HHE. 2011-05-05T03:34:06.41 0.3 undecidable manual Pg 188 3.7962 0.208 98
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