Earthquake with magnitude of Md 2.5 on date 09-10-1997 and time 01:22:48 (Italy) in region 5 km E Lucoli (AQ)

A magnitude Md 2.5 earthquake occured in region: 5 km E Lucoli (AQ), on

  • 08-10-1997 23:22:48 (UTC)
  • 09-10-1997 01:22:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2890, 13.3940 at 8 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
Lucoli AQ 5 1011 1011
Ocre AQ 7 1167 2178
L'Aquila AQ 7 69753 71931
Tornimparte AQ 8 3187 75118
Fossa AQ 8 721 75839
Rocca di Cambio AQ 10 533 76372
Sant'Eusanio Forconese AQ 11 394 76766
Villa Sant'Angelo AQ 12 424 77190
Poggio Picenze AQ 13 1136 78326
San Demetrio ne' Vestini AQ 14 1854 80180
Rocca di Mezzo AQ 14 1526 81706
Scoppito AQ 15 3727 85433
Fagnano Alto AQ 15 418 85851
Barisciano AQ 17 1828 87679
Borgorose RI 17 4591 92270
Prata d'Ansidonia AQ 18 496 92766
Pizzoli AQ 18 4326 97092
Fontecchio AQ 19 369 97461
Massa d'Albe AQ 20 1476 98937

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km S of L'Aquila (69753 inhabitants)
49 Km SW of Teramo (54892 inhabitants)
61 Km NE of Tivoli (56533 inhabitants)
64 Km NE of Guidonia Montecelio (88673 inhabitants)
64 Km W of Chieti (51815 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
68 Km E of Terni (111501 inhabitants)
70 Km W of Pescara (121014 inhabitants)
84 Km NE of Velletri (53303 inhabitants)
87 Km NE of Roma (2864731 inhabitants)
93 Km SE of Foligno (57155 inhabitants)
99 Km NE of Aprilia (73446 inhabitants)
100 Km NE of Latina (125985 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 1997-10-08
23:22:48
42.289 13.394 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 293949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-08 23:22:48 ± 0.137
Latitude 42.2890 ± 0.0073
Longitude 13.3940 ± 0.0182
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 293949

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) 1704.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.01319
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 293949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:36:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1997-10-08T23:23:15.77 10.0 undecidable manual PN 342 1.4652 0.58 0.2
--.SDI.Z. 1997-10-08T23:23:11.77 10.0 undecidable manual SG 151 0.6549 -0.21 0.5
--.MNS.Z. 1997-10-08T23:23:07.71 10.0 undecidable manual SG 280 0.5328 -0.38 0.3
--.SDI.Z. 1997-10-08T23:23:01.69 10.0 undecidable manual PG 151 0.6549 -0.4 0.7
--.PQ9.Z. 1997-10-08T23:22:59.27 10.0 undecidable manual SG 178 0.2553 0.1 0.6
--.MNS.Z. 1997-10-08T23:22:59.72 10.0 undecidable manual PG 280 0.5328 -0.12 1.5
--.PQ9.Z. 1997-10-08T23:22:54.95 10.0 negative manual PG 178 0.2553 0.27 2.5
--.AQU.Z. 1997-10-08T23:22:52.72 10.0 undecidable manual SG 5 0.0666 0.47 0.3
--.AQU.Z. 1997-10-08T23:22:50.38 10.0 negative manual PG 5 0.0666 -0.3 2.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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