Earthquake with magnitude of Md 2.5 on date 24-10-1997 and time 20:16:00 (Italy) in region 5 km W Scoppito (AQ)

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

  • 24-10-1997 18:16:00 (UTC)
  • 24-10-1997 20:16:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3670, 13.2030 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
Scoppito AQ 5 3727 3727
Cagnano Amiterno AQ 11 1369 5096
Pizzoli AQ 11 4326 9422
Barete AQ 12 737 10159
Antrodoco RI 12 2588 12747
Tornimparte AQ 12 3187 15934
Borgo Velino RI 13 972 16906
Fiamignano RI 13 1413 18319
Petrella Salto RI 14 1197 19516
Lucoli AQ 14 1011 20527
Castel Sant'Angelo RI 15 1308 21835
Micigliano RI 15 127 21962
L'Aquila AQ 16 69753 91715
Borbona RI 17 617 92332
Montereale AQ 18 2581 94913
Pescorocchiano RI 18 2075 96988
Concerviano RI 18 291 97279
Capitignano AQ 19 665 97944
Borgorose RI 19 4591 102535
Posta RI 20 694 103229

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
53 Km SW of Teramo (54892 inhabitants)
56 Km NE of Tivoli (56533 inhabitants)
57 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
79 Km NE of Roma (2864731 inhabitants)
79 Km W of Chieti (51815 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
83 Km NE of Velletri (53303 inhabitants)
84 Km W of Pescara (121014 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
97 Km NE of Pomezia (62966 inhabitants)
97 Km NE of Aprilia (73446 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 1997-10-24
18:16:00
42.367 13.203 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 305579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-24 18:16:00 ± 0.245
Latitude 42.3670 ± 0.0208
Longitude 13.2030 ± 0.0169
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 305579

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) 2691.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00809
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 3
Type of magnitude Md
Reference to an origin 305579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:46:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 1997-10-24T18:16:19.61 10.0 undecidable manual PG 347 0.8991 0.88 0.4
--.SDI.Z. 1997-10-24T18:16:17.70 10.0 undecidable manual PG 145 0.7881 0.37 1
--.PQ9.Z. 1997-10-24T18:16:15.17 10.0 undecidable manual SG 157 0.3663 0.4 0.5
--.MNS.Z. 1997-10-24T18:16:15.20 10.0 undecidable manual SG 272 0.3774 -0.08 0.7
--.PQ9.Z. 1997-10-24T18:16:09.40 10.0 undecidable manual PG 157 0.3663 0.16 1.6
--.MNS.Z. 1997-10-24T18:16:08.73 10.0 positive manual PG 272 0.3774 -0.34 2.9
--.AQU.Z. 1997-10-24T18:16:07.41 10.0 undecidable manual SG 95 0.1443 -0.07 0.7
--.AQU.Z. 1997-10-24T18:16:03.58 10.0 undecidable manual PG 95 0.1443 -1.08 0.3
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