Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 02-10-2009 and time 00:34:44 (Italy) in region 2 km E Campoli Appennino (FR)

A magnitude ML 2.1 earthquake occured in region: 2 km E Campoli Appennino (FR), on

  • 01-10-2009 22:34:44 (UTC)
  • 02-10-2009 00:34:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7330, 13.7000 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 2 1725 1725
Pescosolido FR 4 1555 3280
Posta Fibreno FR 4 1139 4419
Alvito FR 6 2713 7132
Broccostella FR 6 2741 9873
Vicalvi FR 6 783 10656
Fontechiari FR 7 1303 11959
Sora FR 7 26144 38103
San Donato Val di Comino FR 10 2107 40210
Casalvieri FR 11 2698 42908
Pescasseroli AQ 11 2203 45111
Gallinaro FR 12 1269 46380
Arpino FR 12 7262 53642
Isola del Liri FR 12 11715 65357
Opi AQ 12 420 65777
Casalattico FR 13 574 66351
Castelliri FR 14 3454 69805
Balsorano AQ 14 3569 73374
Settefrati FR 14 728 74102
Atina FR 15 4316 78418
Santopadre FR 15 1357 79775
Villavallelonga AQ 16 919 80694
Picinisco FR 17 1218 81912
Villa Latina FR 18 1241 83153
Fontana Liri FR 18 2953 86106
Monte San Giovanni Campano FR 18 12929 99035
San Vincenzo Valle Roveto AQ 18 2347 101382
Rocca d'Arce FR 19 959 102341
Arce FR 19 5756 108097
Belmonte Castello FR 20 739 108836
Villetta Barrea AQ 20 653 109489
Collelongo AQ 20 1233 110722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km E of Latina (125985 inhabitants)
73 Km SE of L'Aquila (69753 inhabitants)
77 Km E of Velletri (53303 inhabitants)
79 Km E of Tivoli (56533 inhabitants)
79 Km SW of Chieti (51815 inhabitants)
86 Km E of Guidonia Montecelio (88673 inhabitants)
89 Km E of Aprilia (73446 inhabitants)
90 Km NW of Caserta (76326 inhabitants)
92 Km SW of Pescara (121014 inhabitants)
94 Km NW of Aversa (53047 inhabitants)
94 Km E of Anzio (54211 inhabitants)
95 Km SW of Montesilvano (53738 inhabitants)
99 Km NW of Giugliano in Campania (122974 inhabitants)
100 Km E of Pomezia (62966 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 2.1 		2009-10-01
22:34:44		 41.733 13.7 12 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 971869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-10-01 22:34:44 ± 0.06
Latitude 41.7330 ± 0.0036
Longitude 13.7000 ± 0.0036
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 971869

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 373
Semi-minor axis of confidence ellipse (meter) 171
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 31
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) 1.18171
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 971869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:34:48

Md:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 971869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:34:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHN. 2009-10-01T22:35:20.82 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-10-01T22:35:17.63 10.0 undecidable manual Pg 0 0 0
GE.MATE.HHE. 2009-10-01T22:35:16.17 10.0 undecidable manual Pg 0 0 0
IV.RDP.HHN. 2009-10-01T22:35:10.27 10.0 undecidable manual Sg 0 0 0
IV.MA9.HHN. 2009-10-01T22:35:10.75 10.0 undecidable manual Pg 0 0 0
IV.PTRJ.HHN. 2009-10-01T22:35:09.93 10.0 undecidable manual Sg 0 0 0
IV.T0104.EHN. 2009-10-01T22:35:08.51 10.0 undecidable manual Sg 0 0 0
IV.TRIV.HHE. 2009-10-01T22:35:08.07 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-10-01T22:35:06.84 1.0 undecidable manual Pg 339 131.1687 0.619 17
IV.PTRJ.HHN. 2009-10-01T22:35:06.09 10.0 undecidable manual Pg 0 0 0
IV.RMP.HHE. 2009-10-01T22:35:05.90 10.0 undecidable manual Sg 0 0 0
IV.LNSS.HHN. 2009-10-01T22:35:04.67 10.0 undecidable manual Pg 0 0 0
IV.RDP.HHN. 2009-10-01T22:35:04.90 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHE. 2009-10-01T22:35:04.19 0.3 undecidable manual Sg 292 63.9915 0.06 67
IV.LPEL.HHZ. 2009-10-01T22:35:01.33 0.3 undecidable manual Sg 49 52.9026 0.145 67
IV.TERO.HHZ. 2009-10-01T22:35:01.24 1.0 undecidable manual Pg 355 98.9232 -0.023 21
IV.T0104.EHN. 2009-10-01T22:35:01.72 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHZ. 2009-10-01T22:35:00.19 0.6 undecidable manual Sg 102 47.0196 0.581 40
IV.RMP.HHE. 2009-10-01T22:34:59.88 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-10-01T22:34:58.06 0.6 undecidable manual Sg 322 40.4262 0.218 45
IV.MTCE.HHZ. 2009-10-01T22:34:58.64 0.6 undecidable manual Pg 292 85.3479 -0.526 39
IV.GIUL.HHZ. 2009-10-01T22:34:58.62 0.3 undecidable manual Sg 242 41.7249 0.433 65
IV.T0101.HLZ. 2009-10-01T22:34:58.40 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHZ. 2009-10-01T22:34:57.58 0.6 undecidable manual Pg 321 76.2681 -0.195 43
IV.MSC.EHZ. 2009-10-01T22:34:57.52 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2009-10-01T22:34:57.51 0.1 undecidable manual Pg 9 74.2701 0.052 88
IV.SGG.HHZ. 2009-10-01T22:34:56.86 0.3 undecidable manual Pg 124 68.2761 0.325 63
IV.INTR.HHZ. 2009-10-01T22:34:56.37 0.1 undecidable manual Sg 29 35.1426 -0.079 94
IV.GUAR.HHE. 2009-10-01T22:34:55.85 0.3 undecidable manual Sg 282 32.745 0.052 72
IV.CERT.HHE. 2009-10-01T22:34:55.50 0.1 undecidable manual Pg 292 63.9915 -0.372 84
IV.FAGN.HHE. 2009-10-01T22:34:55.93 0.1 undecidable manual Pg 351 59.7957 0.698 76
IV.VAGA.HHN. 2009-10-01T22:34:54.73 0.1 undecidable manual Pg 128 56.6988 -0.021 92
IV.CERA.HHZ. 2009-10-01T22:34:54.86 0.1 undecidable manual Sg 120 30.3474 -0.307 91
IV.LPEL.HHZ. 2009-10-01T22:34:53.91 0.1 undecidable manual Pg 49 52.9026 -0.266 88
IV.RNI2.HHE. 2009-10-01T22:34:52.18 0.1 undecidable manual Pg 95 37.629 0.366 88
IV.MIDA.HHZ. 2009-10-01T22:34:52.85 0.1 undecidable manual Pg 102 47.0196 -0.41 87
IV.PTQR.SHZ. 2009-10-01T22:34:52.25 0.1 undecidable manual Pg 322 40.4262 0.006 95
IV.GIUL.HHZ. 2009-10-01T22:34:52.29 0.1 undecidable manual Pg 242 41.7249 -0.152 92
IV.VVLD.HHN. 2009-10-01T22:34:51.39 0.1 undecidable manual Sg 337 16.3725 -0.053 97
IV.INTR.HHZ. 2009-10-01T22:34:51.35 0.1 undecidable manual Pg 29 35.1426 -0.085 94
IV.CERA.HHZ. 2009-10-01T22:34:50.46 0.1 undecidable manual Pg 120 30.3474 -0.237 93
IV.GUAR.HHE. 2009-10-01T22:34:50.95 0.1 undecidable manual Pg 282 32.745 -0.11 94
IV.SDI.SHZ. 2009-10-01T22:34:49.81 0.6 undecidable manual Sg 106 9.5793 0.03 50
IV.VVLD.HHN. 2009-10-01T22:34:48.62 0.1 undecidable manual Pg 337 16.3725 0.069 98
IV.POFI.HHZ. 2009-10-01T22:34:48.59 0.1 undecidable manual Sg 150 2.0979 -0.101 98
IV.SBPO.HHE. 2009-10-01T22:34:48.86 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-10-01T22:34:47.59 0.1 undecidable manual Pg 106 9.5793 0.004 100
IV.POFI.HHZ. 2009-10-01T22:34:47.08 0.1 undecidable manual Pg 150 2.0979 0.116 100
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