Earthquake with magnitude of Md 2.0 on date 25-09-1996 and time 22:17:49 (Italy) in region 6 km E Antrodoco (RI)

A magnitude Md 2.0 earthquake occured in region: 6 km E Antrodoco (RI), on

  • 25-09-1996 20:17:49 (UTC)
  • 25-09-1996 22:17:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.42, 13.16 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
Antrodoco RI 6 2588 2588
Cagnano Amiterno AQ 7 1369 3957
Borgo Velino RI 8 972 4929
Scoppito AQ 9 3727 8656
Micigliano RI 9 127 8783
Castel Sant'Angelo RI 11 1308 10091
Barete AQ 11 737 10828
Borbona RI 11 617 11445
Pizzoli AQ 12 4326 15771
Posta RI 13 694 16465
Montereale AQ 14 2581 19046
Petrella Salto RI 15 1197 20243
Capitignano AQ 17 665 20908
Fiamignano RI 17 1413 22321
Concerviano RI 17 291 22612
Cittaducale RI 18 6828 29440
Tornimparte AQ 18 3187 32627

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of L'Aquila (69753 inhabitants)
45 Km E of Terni (111501 inhabitants)
52 Km SW of Teramo (54892 inhabitants)
58 Km NE of Guidonia Montecelio (88673 inhabitants)
58 Km NE of Tivoli (56533 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
80 Km NE of Roma (2864731 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
83 Km W of Chieti (51815 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
87 Km W of Pescara (121014 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
99 Km NE of Pomezia (62966 inhabitants)
99 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 2.0 1996-09-25
20:17:49
42.42 13.16 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 252809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-09-25 20:17:49 ± 0.36
Latitude 42.42 ± 0.03
Longitude 13.16 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 252809

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) 4095.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.0017
Epicentral distance of station farthest from the epicenter (degree) 0.00769
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 252809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:59:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1996-09-25T20:18:20.24 10.0 undecidable manual SG 145 0.0077 1.1 0
--.SDI.Z. 1996-09-25T20:18:06.42 10.0 undecidable manual PG 145 0.0077 -0.3 1
--.PQ9.Z. 1996-09-25T20:18:04.85 10.0 undecidable manual SG 155 0.0039 -0.7 0.2
--.PQ9.Z. 1996-09-25T20:17:58.97 10.0 undecidable manual PG 155 0.0039 0.09 1.8
--.MNS.Z. 1996-09-25T20:17:57.47 10.0 undecidable manual PG 265 0.0032 0.02 1.9
--.AQU.Z. 1996-09-25T20:17:57.37 10.0 undecidable manual SG 108 0.0017 -0.4 0.5
--.AQU.Z. 1996-09-25T20:17:54.57 10.0 undecidable manual PG 108 0.0017 0.18 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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