Earthquake with magnitude of Md 2.6 on date 05-12-1997 and time 05:31:03 (Italy) in region 2 km W Capitignano (AQ)

A magnitude Md 2.6 earthquake occured in region: 2 km W Capitignano (AQ), on

  • 05-12-1997 04:31:03 (UTC)
  • 05-12-1997 05:31:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.51, 13.28 at 11 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
Capitignano AQ 2 665 665
Montereale AQ 3 2581 3246
Barete AQ 7 737 3983
Cagnano Amiterno AQ 7 1369 5352
Pizzoli AQ 9 4326 9678
Campotosto AQ 9 542 10220
Borbona RI 12 617 10837
Amatrice RI 13 2657 13494
Posta RI 15 694 14188
Cittareale RI 15 482 14670
Scoppito AQ 16 3727 18397
Crognaleto TE 17 1297 19694
Antrodoco RI 19 2588 22282
Micigliano RI 19 127 22409

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km SE of Perugia (166134 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
Rev 1000 Md 2.6
ML-VAX 1.8
1997-12-05
04:31:03
42.51 13.28 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 315809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-12-05 04:31:03 ± 0.184
Latitude 42.51 ± 0.01
Longitude 13.28 ± 0.03
Depth (km) 11 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 315809

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) 2692.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01109
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 315809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:56:05

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 315809
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 Takeoff_angle Residual Weight
--.ASS.Z. 1997-12-05T04:31:29.62 10.0 undecidable manual SG 320 0.0064 1.22 0.1
--.CRVI.Z. 1997-12-05T04:31:28.44 10.0 undecidable manual PN! 135 0.0098 3.94 0
--.FB9.Z. 1997-12-05T04:31:26.46 10.0 undecidable manual PN 343 0.0111 0.06 1
--.ARV.Z. 1997-12-05T04:31:24.00 10.0 undecidable manual PN 346 0.0091 0.6 0.7
--.RDP.Z. 1997-12-05T04:31:21.85 10.0 undecidable manual PG 209 0.0077 1.33 0.1
--.SDI.Z. 1997-12-05T04:31:21.23 10.0 undecidable manual PG 153 0.008 0.08 1.2
--.PQ9.Z. 1997-12-05T04:31:20.58 10.0 undecidable manual SG 169 0.0045 -0.79 0.2
--.MNS.Z. 1997-12-05T04:31:19.80 10.0 undecidable manual SG 254 0.004 -1.01 0.1
--.SNTG.Z. 1997-12-05T04:31:18.33 10.0 positive manual PG 341 0.007 -0.74 1.2
--.ASS.Z. 1997-12-05T04:31:17.52 10.0 undecidable manual PG 320 0.0064 -0.34 1.2
--.NRCA.Z. 1997-12-05T04:31:16.55 10.0 undecidable manual SG 339 0.0031 0.14 0.6
--.PQ9.Z. 1997-12-05T04:31:13.16 10.0 undecidable manual PG 169 0.0045 -0.65 0.8
--.MNS.Z. 1997-12-05T04:31:12.75 10.0 positive manual PG 254 0.004 -0.32 2.6
--.AQU.Z. 1997-12-05T04:31:11.90 10.0 undecidable manual SG 149 0.0016 0.64 0.3
--.NRCA.Z. 1997-12-05T04:31:10.89 10.0 positive manual PG 339 0.0031 -0.05 3
--.AQU.Z. 1997-12-05T04:31:07.95 10.0 negative manual PG 149 0.0016 -0.02 3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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