Earthquake with magnitude of Md 3.2 on date 25-10-1997 and time 21:40:31 (Italy) in region 3 km N Barete (AQ)

A magnitude Md 3.2 earthquake occured in region: 3 km N Barete (AQ), on

  • 25-10-1997 19:40:31 (UTC)
  • 25-10-1997 21:40:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.48, 13.28 at 3 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
Barete AQ 3 737 737
Pizzoli AQ 5 4326 5063
Cagnano Amiterno AQ 5 1369 6432
Capitignano AQ 5 665 7097
Montereale AQ 6 2581 9678
Campotosto AQ 12 542 10220
Scoppito AQ 12 3727 13947
Borbona RI 13 617 14564
Posta RI 16 694 15258
Amatrice RI 17 2657 17915
L'Aquila AQ 17 69753 87668
Antrodoco RI 18 2588 90256
Crognaleto TE 18 1297 91553
Cittareale RI 18 482 92035
Micigliano RI 19 127 92162
Borgo Velino RI 20 972 93134

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
97 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
Rev 1000 Md 3.2
ML-VAX 2.5
1997-10-25
19:40:31
42.48 13.28 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 305959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-25 19:40:31 ± 0.16
Latitude 42.48 ± 0.01
Longitude 13.28 ± 0.01
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 305959

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) 1350.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.01344
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 305959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:47:14

ML:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 305959
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
--.ARV.Z. 1997-10-25T19:41:08.70 10.0 undecidable manual SG 346 0.0094 -0.21 0.5
--.SDI.Z. 1997-10-25T19:41:01.43 10.0 undecidable manual SG 152 0.0078 -0.9 0.1
--.RDP.Z. 1997-10-25T19:41:01.43 10.0 undecidable manual SG 210 0.0074 0.09 0.6
--.RMP.Z. 1997-10-25T19:41:00.55 10.0 undecidable manual SG 212 0.0071 0.48 0.4
--.CRE.Z. 1997-10-25T19:40:59.96 10.0 undecidable manual PN 320 0.0134 0.89 0.2
--.ASS.Z. 1997-10-25T19:40:59.30 10.0 undecidable manual SG 321 0.0066 0.55 0.3
--.FB9.Z. 1997-10-25T19:40:56.26 10.0 undecidable manual PN 343 0.0113 0.35 0.9
--.CPI2.Z. 1997-10-25T19:40:55.32 10.0 undecidable manual PN 138 0.0106 0.62 0.6
--.CRVI.Z. 1997-10-25T19:40:52.83 10.0 undecidable manual PG 134 0.0096 -0.26 1.2
--.ARV.Z. 1997-10-25T19:40:52.50 10.0 undecidable manual PG 346 0.0094 -0.63 0.6
--.MNS.Z. 1997-10-25T19:40:48.45 10.0 undecidable manual SG 258 0.004 -0.35 0.5
--.SDI.Z. 1997-10-25T19:40:48.70 10.0 undecidable manual PG 152 0.0078 -0.53 0.8
--.PQ9.Z. 1997-10-25T19:40:48.63 10.0 undecidable manual SG 169 0.0041 -0.66 0.2
--.RDP.Z. 1997-10-25T19:40:48.95 10.0 undecidable manual PG 210 0.0074 0.29 1.3
--.RMP.Z. 1997-10-25T19:40:47.46 10.0 undecidable manual PG 212 0.0071 -0.47 1
--.SNTG.Z. 1997-10-25T19:40:47.61 10.0 undecidable manual PG 342 0.0073 -0.73 0.5
--.ASS.Z. 1997-10-25T19:40:46.93 10.0 undecidable manual PG 321 0.0066 -0.09 1.6
--.NRCA.Z. 1997-10-25T19:40:44.75 10.0 undecidable manual SG 340 0.0033 -1.09 0.1
--.PQ9.Z. 1997-10-25T19:40:41.55 10.0 positive manual PG 169 0.0041 -0.16 3
--.MNS.Z. 1997-10-25T19:40:41.47 10.0 positive manual PG 258 0.004 0.04 3.2
--.NRCA.Z. 1997-10-25T19:40:40.10 10.0 positive manual PG 340 0.0033 0.29 2.7
--.AQU.Z. 1997-10-25T19:40:35.35 10.0 negative manual PG 144 0.0014 0.54 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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