Earthquake with magnitude of Md 2.4 on date 11-09-2001 and time 17:13:02 (UTC) in region 1 km S San Demetrio ne' Vestini (AQ)

A magnitude Md 2.4 earthquake occured in region: 1 km S San Demetrio ne' Vestini (AQ), on

  • 11-09-2001 17:13:02 (UTC)
  • 11-09-2001 19:13:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2840, 13.5590 at 21 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
San Demetrio ne' Vestini AQ 1 1854 1854
Villa Sant'Angelo AQ 2 424 2278
Sant'Eusanio Forconese AQ 3 394 2672
Fagnano Alto AQ 4 418 3090
Prata d'Ansidonia AQ 4 496 3586
Poggio Picenze AQ 4 1136 4722
Barisciano AQ 6 1828 6550
Fossa AQ 6 721 7271
Fontecchio AQ 7 369 7640
Ocre AQ 7 1167 8807
Rocca di Cambio AQ 8 533 9340
San Pio delle Camere AQ 8 661 10001
Rocca di Mezzo AQ 9 1526 11527
Santo Stefano di Sessanio AQ 10 111 11638
Caporciano AQ 10 230 11868
Carapelle Calvisio AQ 10 87 11955
Tione degli Abruzzi AQ 11 310 12265
Castelvecchio Calvisio AQ 11 153 12418
Calascio AQ 12 137 12555
Navelli AQ 15 554 13109
L'Aquila AQ 15 69753 82862
Castel del Monte AQ 17 413 83275
Ovindoli AQ 17 1227 84502
Ofena AQ 17 506 85008
Capestrano AQ 17 884 85892
Secinaro AQ 18 359 86251
Acciano AQ 18 327 86578
Lucoli AQ 18 1011 87589
Villa Santa Lucia degli Abruzzi AQ 19 123 87712
Collepietro AQ 20 237 87949

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SE of L'Aquila (69753 inhabitants)
44 Km S of Teramo (54892 inhabitants)
51 Km W of Chieti (51815 inhabitants)
55 Km W of Montesilvano (53738 inhabitants)
58 Km W of Pescara (121014 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
75 Km E of Guidonia Montecelio (88673 inhabitants)
81 Km E of Terni (111501 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
99 Km E of Roma (2864731 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 2.4 2001-09-11
17:13:02
42.284 13.559 21 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 427509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-09-11 17:13:02 ± 0.161
Latitude 42.2840 ± 0.0071
Longitude 13.5590 ± 0.0265
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 427509

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) 2314.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00575
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 427509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:43:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.NRCA.Z. 2001-09-11T17:13:25.64 10.0 undecidable manual SG 329 0.6327 0.47 0
--.SDI.Z. 2001-09-11T17:13:23.92 10.0 undecidable manual SG 161 0.5994 -0.12 0.4
--.NRCA.Z. 2001-09-11T17:13:15.38 10.0 positive manual PG 329 0.6327 -0.18 1.5
--.SDI.Z. 2001-09-11T17:13:14.99 10.0 undecidable manual PG 161 0.5994 0.09 1.1
--.PTQR.Z. 2001-09-11T17:13:14.25 10.0 undecidable manual SG 204 0.2775 -0.1 0.5
--.AQU.Z. 2001-09-11T17:13:10.25 10.0 undecidable manual SG 300 0.1332 -0.26 0.2
--.PTQR.Z. 2001-09-11T17:13:09.38 10.0 undecidable manual PG 204 0.2775 0.07 1.5
--.AQU.Z. 2001-09-11T17:13:07.18 10.0 positive manual PG 300 0.1332 0.09 2.8
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