Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.1 on date 24-01-2001 and time 11:05:30 (UTC) in region 2 km NE Sant'Angelo d'Alife (CE)

A magnitude Md 2.1 earthquake occured in region: 2 km NE Sant'Angelo d'Alife (CE), on

  • 24-01-2001 11:05:30 (UTC)
  • 24-01-2001 12:05:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3750, 14.2800 at 5 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
Sant'Angelo d'Alife CE 2 2270 2270
Raviscanina CE 3 1319 3589
Valle Agricola CE 6 890 4479
Ailano CE 7 1369 5848
Alife CE 7 7616 13464
San Gregorio Matese CE 8 988 14452
Piedimonte Matese CE 8 11297 25749
Castello del Matese CE 8 1494 27243
Baia e Latina CE 9 2197 29440
Letino CE 9 712 30152
Prata Sannita CE 9 1502 31654
Pratella CE 9 1565 33219
San Potito Sannitico CE 10 1925 35144
Gallo Matese CE 11 579 35723
Pietravairano CE 11 2984 38707
Dragoni CE 12 2108 40815
Fontegreca CE 12 811 41626
Roccaromana CE 12 856 42482
Vairano Patenora CE 13 6594 49076
Ciorlano CE 13 426 49502
Pietramelara CE 14 4722 54224
Roccamandolfi IS 15 938 55162
Alvignano CE 15 4824 59986
Capriati a Volturno CE 15 1541 61527
Gioia Sannitica CE 16 3638 65165
Riardo CE 16 2321 67486
Castelpizzuto IS 16 155 67641
Longano IS 17 690 68331
Presenzano CE 17 1766 70097
Liberi CE 17 1153 71250
San Massimo CB 17 855 72105
Sesto Campano IS 18 2388 74493
Rocchetta e Croce CE 18 460 74953
Caianello CE 19 1824 76777
Formicola CE 19 1488 78265
Monteroduni IS 19 2264 80529
Cantalupo nel Sannio IS 19 739 81268
Sant'Agapito IS 20 1496 82764
Castel di Sasso CE 20 1171 83935
Cusano Mutri BN 20 4091 88026
Faicchio BN 20 3634 91660

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Caserta (76326 inhabitants)
45 Km N of Aversa (53047 inhabitants)
48 Km N of Acerra (59573 inhabitants)
50 Km N of Giugliano in Campania (122974 inhabitants)
50 Km NW of Benevento (60091 inhabitants)
50 Km N of Afragola (65057 inhabitants)
52 Km N of Casoria (77642 inhabitants)
53 Km N of Marano di Napoli (59874 inhabitants)
60 Km N of Napoli (974074 inhabitants)
61 Km N of Pozzuoli (81661 inhabitants)
62 Km N of Portici (55274 inhabitants)
63 Km N of Ercolano (53709 inhabitants)
66 Km N of Torre del Greco (86275 inhabitants)
67 Km NW of Avellino (54857 inhabitants)
73 Km N of Scafati (50787 inhabitants)
77 Km N of Castellammare di Stabia (66466 inhabitants)
83 Km NW of Cava de' Tirreni (53659 inhabitants)
87 Km NW of Salerno (135261 inhabitants)
98 Km W of San Severo (53905 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 2.1 2001-01-24
11:05:30		 41.375 14.28 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 409839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-01-24 11:05:30 ± 0.852
Latitude 41.3750 ± 0.0328
Longitude 14.2800 ± 0.0406
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 409839

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 4972.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 313
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00308
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 409839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:26:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRVI.Z. 2001-01-24T11:05:44.47 10.0 undecidable manual SG 3 0.3441 0.31 0.6
--.RVI2.Z. 2001-01-24T11:05:43.68 10.0 undecidable manual SG 321 0.3108 0.9 0.1
--.RNI2.Z. 2001-01-24T11:05:42.84 10.0 undecidable manual SG 343 0.333 -1.02 0.1
--.CPI2.Z. 2001-01-24T11:05:39.13 10.0 undecidable manual SG 7 0.2109 0.16 0.8
--.CRVI.Z. 2001-01-24T11:05:38.34 10.0 undecidable manual PG 3 0.3441 -0.09 1.9
--.RVI2.Z. 2001-01-24T11:05:37.69 10.0 undecidable manual PG 321 0.3108 0.05 2
--.RNI2.Z. 2001-01-24T11:05:37.74 10.0 undecidable manual PG 343 0.333 -0.52 1.1
--.CPI2.Z. 2001-01-24T11:05:35.82 10.0 undecidable manual PG 7 0.2109 0.39 1.4
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