Earthquake with magnitude of Md 2.2 on date 21-05-2001 and time 05:29:43 (Italy) in region 3 km N Isernia (IS)

A magnitude Md 2.2 earthquake occured in region: 3 km N Isernia (IS), on

  • 21-05-2001 03:29:43 (UTC)
  • 21-05-2001 05:29:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6160, 14.2340 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Isernia IS 3 21842 21842
Miranda IS 3 1047 22889
Pesche IS 4 1661 24550
Pettoranello del Molise IS 6 460 25010
Fornelli IS 8 1909 26919
Carpinone IS 8 1157 28076
Sant'Agapito IS 8 1496 29572
Macchia d'Isernia IS 8 1035 30607
Sessano del Molise IS 9 727 31334
Roccasicura IS 9 550 31884
Acquaviva d'Isernia IS 9 425 32309
Forlì del Sannio IS 10 675 32984
Longano IS 10 690 33674
Colli a Volturno IS 11 1349 35023
Montaquila IS 11 2456 37479
Pescolanciano IS 11 855 38334
Castelpetroso IS 11 1680 40014
Monteroduni IS 11 2264 42278
Castelpizzuto IS 12 155 42433
Cerro al Volturno IS 12 1281 43714
Carovilli IS 12 1359 45073
Rocchetta a Volturno IS 12 1113 46186
Rionero Sannitico IS 13 1118 47304
Santa Maria del Molise IS 13 665 47969
Chiauci IS 15 233 48202
Scapoli IS 15 680 48882
Castel San Vincenzo IS 15 516 49398
Civitanova del Sannio IS 15 945 50343
Macchiagodena IS 16 1854 52197
Filignano IS 17 648 52845
Roccamandolfi IS 17 938 53783
Gallo Matese CE 17 579 54362
Cantalupo nel Sannio IS 17 739 55101
Pizzone IS 17 329 55430
Vastogirardi IS 18 704 56134
Montenero Val Cocchiara IS 18 538 56672
Capriati a Volturno CE 18 1541 58213
Frosolone IS 18 3170 61383
Fontegreca CE 18 811 62194
Letino CE 18 712 62906
Pozzilli IS 18 2380 65286
Ciorlano CE 19 426 65712
Duronia CB 19 405 66117
Pietrabbondante IS 20 759 66876
San Pietro Avellana IS 20 503 67379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km N of Caserta (76326 inhabitants)
71 Km NW of Benevento (60091 inhabitants)
71 Km N of Aversa (53047 inhabitants)
75 Km N of Acerra (59573 inhabitants)
76 Km N of Giugliano in Campania (122974 inhabitants)
77 Km N of Afragola (65057 inhabitants)
79 Km N of Casoria (77642 inhabitants)
80 Km N of Marano di Napoli (59874 inhabitants)
82 Km S of Chieti (51815 inhabitants)
86 Km N of Napoli (974074 inhabitants)
86 Km N of Pozzuoli (81661 inhabitants)
89 Km N of Portici (55274 inhabitants)
90 Km N of Ercolano (53709 inhabitants)
91 Km NW of Avellino (54857 inhabitants)
93 Km N of Torre del Greco (86275 inhabitants)
95 Km S of Pescara (121014 inhabitants)
96 Km W of San Severo (53905 inhabitants)
100 Km N of Scafati (50787 inhabitants)
100 Km S of Montesilvano (53738 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 2.2 2001-05-21
03:29:43
41.616 14.234 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 418349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-05-21 03:29:43 ± 0.127
Latitude 41.6160 ± 0.0142
Longitude 14.2340 ± 0.0112
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 418349

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) 1835.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00291
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 418349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:34:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 2001-05-21T03:29:55.90 10.0 undecidable manual SG 286 0.3219 -0.5 0
--.SDI.Z. 2001-05-21T03:29:50.78 10.0 undecidable manual PG 286 0.3219 -0.2 0.7
--.RVI2.Z. 2001-05-21T03:29:50.49 10.0 undecidable manual SG 271 0.1554 0.5 0.1
--.RNI2.Z. 2001-05-21T03:29:47.85 10.0 undecidable manual SG 324 0.0999 -0.15 0.5
--.RVI2.Z. 2001-05-21T03:29:47.28 10.0 positive manual PG 271 0.1554 0.01 3
--.CPI2.Z. 2001-05-21T03:29:46.27 10.0 undecidable manual SG 116 0.0666 -0.51 0.1
--.RNI2.Z. 2001-05-21T03:29:46.36 10.0 undecidable manual PG 324 0.0999 0.23 0.9
--.CPI2.Z. 2001-05-21T03:29:45.53 10.0 positive manual PG 116 0.0666 0.11 2.7
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