Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 18-04-2005 and time 21:58:49 (Italy) in region 1 km E Colli a Volturno (IS)

A magnitude ML 1.3 earthquake occured in region: 1 km E Colli a Volturno (IS), on

  • 18-04-2005 19:58:49 (UTC)
  • 18-04-2005 21:58:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5960, 14.1170 at 1 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
Colli a Volturno IS 1 1349 1349
Fornelli IS 2 1909 3258
Montaquila IS 3 2456 5714
Rocchetta a Volturno IS 4 1113 6827
Scapoli IS 5 680 7507
Macchia d'Isernia IS 6 1035 8542
Cerro al Volturno IS 7 1281 9823
Filignano IS 8 648 10471
Castel San Vincenzo IS 8 516 10987
Acquaviva d'Isernia IS 9 425 11412
Isernia IS 9 21842 33254
Monteroduni IS 9 2264 35518
Pozzilli IS 10 2380 37898
Pizzone IS 10 329 38227
Sant'Agapito IS 11 1496 39723
Miranda IS 12 1047 40770
Forlì del Sannio IS 12 675 41445
Rionero Sannitico IS 13 1118 42563
Longano IS 14 690 43253
Venafro IS 14 11280 54533
Pettoranello del Molise IS 14 460 54993
Montenero Val Cocchiara IS 14 538 55531
Pesche IS 14 1661 57192
Capriati a Volturno CE 14 1541 58733
Conca Casale IS 14 200 58933
Viticuso FR 15 353 59286
Acquafondata FR 15 263 59549
Roccasicura IS 15 550 60099
San Biagio Saracinisco FR 16 349 60448
Fontegreca CE 16 811 61259
Ciorlano CE 16 426 61685
Castelpizzuto IS 17 155 61840
Alfedena AQ 17 864 62704
Gallo Matese CE 17 579 63283
Carpinone IS 17 1157 64440
Vallerotonda FR 18 1581 66021
Scontrone AQ 18 574 66595
Sessano del Molise IS 19 727 67322
Letino CE 19 712 68034
Prata Sannita CE 20 1502 69536
Castelpetroso IS 20 1680 71216
Sesto Campano IS 20 2388 73604
Carovilli IS 20 1359 74963

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km NW of Caserta (76326 inhabitants)
70 Km N of Aversa (53047 inhabitants)
75 Km N of Giugliano in Campania (122974 inhabitants)
75 Km N of Acerra (59573 inhabitants)
76 Km NW of Benevento (60091 inhabitants)
77 Km N of Afragola (65057 inhabitants)
78 Km N of Marano di Napoli (59874 inhabitants)
78 Km N of Casoria (77642 inhabitants)
83 Km N of Pozzuoli (81661 inhabitants)
84 Km S of Chieti (51815 inhabitants)
85 Km N of Napoli (974074 inhabitants)
88 Km N of Portici (55274 inhabitants)
90 Km N of Ercolano (53709 inhabitants)
92 Km N of Torre del Greco (86275 inhabitants)
95 Km NW of Avellino (54857 inhabitants)
97 Km S of Pescara (121014 inhabitants)
100 Km NW of Scafati (50787 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 1.4
ML 1.3 		2005-04-18
19:58:49		 41.596 14.117 1 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 514599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-04-18 19:58:49 ± 0.94
Latitude 41.5960 ± 0.0315
Longitude 14.1170 ± 0.0385
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 514599

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4310
Semi-minor axis of confidence ellipse (meter) 1794
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 4742.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 308
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.71
Epicentral distance of station closest to the epicenter (degree) 0.10972
Epicentral distance of station farthest from the epicenter (degree) 0.18976
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 514599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 09:59:39

Md:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 514599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 09:59:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CII.SHZ. 2005-04-18T19:58:58.17 0.1 undecidable manual Sg 48 21.0678 0.652 42
IV.RNI2.HHN. 2005-04-18T19:58:54.23 0.1 undecidable manual Sg 14 12.1767 -0.137 49
IV.CII.SHZ. 2005-04-18T19:58:53.78 0.1 undecidable manual Pg 48 21.0678 -0.44 91
IV.MIDA.HHZ. 2005-04-18T19:58:53.95 0.1 undecidable manual Sg 66 12.4764 -0.495 46
IV.RNI2.HHN. 2005-04-18T19:58:52.52 0.1 undecidable manual Pg 14 12.1767 0.076 100
IV.MIDA.HHZ. 2005-04-18T19:58:52.84 0.1 undecidable manual Pg 66 12.4764 0.348 94
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