Earthquake with magnitude of Md 2.3 on date 22-08-1992 and time 07:46:31 (UTC) in region 6 km NE Villetta Barrea (AQ)

A magnitude Md 2.3 earthquake occured in region: 6 km NE Villetta Barrea (AQ), on

  • 22-08-1992 07:46:31 (UTC)
  • 22-08-1992 09:46:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8150, 13.9750 at 10 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
Villetta Barrea AQ 6 653 653
Civitella Alfedena AQ 6 296 949
Barrea AQ 6 726 1675
Scontrone AQ 9 574 2249
Roccaraso AQ 9 1627 3876
Rivisondoli AQ 10 700 4576
Alfedena AQ 10 864 5440
Pescocostanzo AQ 11 1128 6568
Castel di Sangro AQ 12 6538 13106
Scanno AQ 13 1847 14953
Opi AQ 13 420 15373
Montenero Val Cocchiara IS 13 538 15911
Rocca Pia AQ 13 178 16089
Pescasseroli AQ 15 2203 18292
Pizzone IS 17 329 18621
San Pietro Avellana IS 18 503 19124
Pettorano sul Gizio AQ 18 1376 20500
San Donato Val di Comino FR 18 2107 22607
Villalago AQ 18 568 23175
Rionero Sannitico IS 18 1118 24293
Settefrati FR 19 728 25021
Ateleta AQ 19 1181 26202
Castel San Vincenzo IS 19 516 26718

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km S of Chieti (51815 inhabitants)
75 Km S of Pescara (121014 inhabitants)
76 Km SE of L'Aquila (69753 inhabitants)
79 Km S of Montesilvano (53738 inhabitants)
88 Km NW of Caserta (76326 inhabitants)
96 Km N of Aversa (53047 inhabitants)
97 Km S of Teramo (54892 inhabitants)
97 Km E of Latina (125985 inhabitants)
99 Km E of Tivoli (56533 inhabitants)
100 Km N of Giugliano in Campania (122974 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 2.3 1992-08-22
07:46:31
41.815 13.975 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 171979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-08-22 07:46:31 ± 0.487
Latitude 41.8150 ± 0.0357
Longitude 13.9750 ± 0.0383
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 171979

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) 5084.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.01004
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 171979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:40:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1992-08-22T07:46:54.87 10.0 undecidable manual PN 300 1.11 1.58 0.5
--.RFI.Z. 1992-08-22T07:46:49.64 10.0 undecidable manual SG 178 0.5106 -0.71 0.7
--.AZI.Z. 1992-08-22T07:46:47.59 10.0 undecidable manual SG 292 0.4329 -0.25 0.8
--.DUI.Z. 1992-08-22T07:46:45.70 10.0 undecidable manual SG 112 0.3885 -1.37 0.4
--.RFI.Z. 1992-08-22T07:46:43.22 10.0 undecidable manual PG 178 0.5106 0.66 1.8
--.DUI.Z. 1992-08-22T07:46:40.58 10.0 undecidable manual PG 112 0.3885 0.28 2
--.AZI.Z. 1992-08-22T07:46:39.53 10.0 undecidable manual PG 292 0.4329 -1.58 0.8
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