Earthquake with magnitude of Md 2.5 on date 05-02-1992 and time 04:21:09 (Italy) in region 6 km NW L'Aquila (AQ)

A magnitude Md 2.5 earthquake occured in region: 6 km NW L'Aquila (AQ), on

  • 05-02-1992 03:21:09 (UTC)
  • 05-02-1992 04:21:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3900, 13.3460 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
L'Aquila AQ 6 69753 69753
Pizzoli AQ 7 4326 74079
Scoppito AQ 8 3727 77806
Barete AQ 9 737 78543
Lucoli AQ 11 1011 79554
Tornimparte AQ 12 3187 82741
Cagnano Amiterno AQ 13 1369 84110
Capitignano AQ 15 665 84775
Ocre AQ 16 1167 85942
Fossa AQ 16 721 86663
Montereale AQ 17 2581 89244
Poggio Picenze AQ 18 1136 90380
Sant'Eusanio Forconese AQ 19 394 90774
Campotosto AQ 19 542 91316

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
82 Km SE of Foligno (57155 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
91 Km NE of Velletri (53303 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 2.5
ML-VAX 1.5
1992-02-05
03:21:09
42.39 13.346 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 157929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-02-05 03:21:09 ± 0.242
Latitude 42.3900 ± 0.0150
Longitude 13.3460 ± 0.0355
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 157929

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) 3353.9
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 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00049
Epicentral distance of station farthest from the epicenter (degree) 0.01028
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 157929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:27:35

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 157929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1992-02-05T03:21:46.50 10.0 undecidable manual SN 345 1.1433 -0.69 0.1
--.CIO.Z. 1992-02-05T03:21:38.00 10.0 undecidable manual SG 349 0.8103 0.4 0.3
--.SDI.Z. 1992-02-05T03:21:35.13 10.0 undecidable manual SG 153 0.7548 -0.72 0.1
--.ARV.Z. 1992-02-05T03:21:32.00 10.0 undecidable manual PN 345 1.1433 0.78 0.1
--.RMF.Z. 1992-02-05T03:21:29.60 10.0 undecidable manual SG 349 0.5661 -0.13 0.8
--.SDI.Z. 1992-02-05T03:21:25.90 10.0 undecidable manual PG 153 0.7548 0.41 0.7
--.ALP.Z. 1992-02-05T03:21:25.10 10.0 undecidable manual SG 22 0.4107 0.18 0.8
--.CIO.Z. 1992-02-05T03:21:25.50 10.0 undecidable manual PG 349 0.8103 -0.19 1.1
--.RMF.Z. 1992-02-05T03:21:21.00 10.0 undecidable manual PG 349 0.5661 -0.14 2.7
--.ALP.Z. 1992-02-05T03:21:18.30 10.0 undecidable manual PG 22 0.4107 -0.07 2.9
--.AQU.Z. 1992-02-05T03:21:14.29 10.0 undecidable manual SG 131 0.0555 0.84 0.1
--.AQU.Z. 1992-02-05T03:21:11.47 10.0 positive manual PG 131 0.0555 -0.27 2.3
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