Earthquake with magnitude of Md 2.5 on date 25-08-1992 and time 05:02:48 (UTC) in region 10 km N L'Aquila (AQ)

A magnitude Md 2.5 earthquake occured in region: 10 km N L'Aquila (AQ), on

  • 25-08-1992 05:02:48 (UTC)
  • 25-08-1992 07:02:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4360, 13.4300 at 14 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 10 69753 69753
Pizzoli AQ 11 4326 74079
Barete AQ 12 737 74816
Crognaleto TE 13 1297 76113
Capitignano AQ 14 665 76778
Pietracamela TE 14 271 77049
Campotosto AQ 14 542 77591
Fano Adriano TE 16 296 77887
Poggio Picenze AQ 16 1136 79023
Scoppito AQ 16 3727 82750
Fossa AQ 17 721 83471
Cagnano Amiterno AQ 17 1369 84840
Ocre AQ 17 1167 86007
Lucoli AQ 18 1011 87018
Barisciano AQ 18 1828 88846
Montereale AQ 18 2581 91427
Sant'Eusanio Forconese AQ 18 394 91821
Tornimparte AQ 19 3187 95008
San Demetrio ne' Vestini AQ 20 1854 96862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km N of L'Aquila (69753 inhabitants)
34 Km SW of Teramo (54892 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
61 Km W of Chieti (51815 inhabitants)
65 Km W of Pescara (121014 inhabitants)
66 Km E of Terni (111501 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
99 Km NE of Roma (2864731 inhabitants)
99 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 1992-08-25
05:02:48
42.436 13.43 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 172139
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-08-25 05:02:48 ± 0.893
Latitude 42.4360 ± 0.0356
Longitude 13.4300 ± 0.0473
Depth (km) 14 ± 9 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 172139

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) 5541.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00761
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 172139
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:41:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1992-08-25T05:03:19.34 10.0 undecidable manual SG 317 0.8436 1.32 0.2
--.CIO.Z. 1992-08-25T05:03:15.30 10.0 undecidable manual SG 344 0.777 -0.76 0.4
--.MNS.Z. 1992-08-25T05:03:09.24 10.0 undecidable manual SG 264 0.5439 0.59 0.6
--.RMF.Z. 1992-08-25T05:03:07.00 10.0 undecidable manual SG 342 0.5439 -1.23 0.4
--.ASS.Z. 1992-08-25T05:03:07.43 10.0 undecidable manual PG 317 0.8436 1.73 0.2
--.CIO.Z. 1992-08-25T05:03:04.20 10.0 undecidable manual PG 344 0.777 -0.37 1.4
--.ALP.Z. 1992-08-25T05:03:02.80 10.0 undecidable manual SG 16 0.3552 0.45 1
--.MNS.Z. 1992-08-25T05:02:59.23 10.0 undecidable manual PG 264 0.5439 -1.06 0.9
--.RMF.Z. 1992-08-25T05:02:59.10 10.0 undecidable manual PG 342 0.5439 -0.94 1
--.ALP.Z. 1992-08-25T05:02:56.90 10.0 undecidable manual PG 16 0.3552 0.25 3.5
--.AQU.Z. 1992-08-25T05:02:54.80 10.0 undecidable manual SG 194 0.0777 -0.27 0.7
--.AQU.Z. 1992-08-25T05:02:52.23 10.0 undecidable manual PG 194 0.0777 0.2 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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