Earthquake with magnitude of Md 2.3 on date 25-09-1996 and time 22:14:59 (Italy) in region 3 km SW Cagnano Amiterno (AQ)

A magnitude Md 2.3 earthquake occured in region: 3 km SW Cagnano Amiterno (AQ), on

  • 25-09-1996 20:14:59 (UTC)
  • 25-09-1996 22:14:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.44, 13.19 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
Cagnano Amiterno AQ 4 1369 1369
Barete AQ 7 737 2106
Pizzoli AQ 9 4326 6432
Scoppito AQ 9 3727 10159
Borbona RI 10 617 10776
Antrodoco RI 10 2588 13364
Montereale AQ 10 2581 15945
Micigliano RI 11 127 16072
Borgo Velino RI 12 972 17044
Posta RI 12 694 17738
Capitignano AQ 13 665 18403
Castel Sant'Angelo RI 14 1308 19711
Tornimparte AQ 19 3187 22898
Petrella Salto RI 19 1197 24095
Campotosto AQ 20 542 24637
L'Aquila AQ 20 69753 94390
Cittareale RI 20 482 94872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
47 Km E of Terni (111501 inhabitants)
49 Km SW of Teramo (54892 inhabitants)
62 Km NE of Tivoli (56533 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
81 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
84 Km NE of Roma (2864731 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
90 Km NE of Velletri (53303 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 2.3 1996-09-25
20:14:59
42.44 13.19 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 252789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-09-25 20:14:59 ± 0.313
Latitude 42.44 ± 0.03
Longitude 13.19 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 252789

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) 3622.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00769
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 252789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:59:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1996-09-25T20:15:28.99 10.0 undecidable manual SG 147 0.0077 -0.47 0.4
--.ASS.Z. 1996-09-25T20:15:23.61 10.0 undecidable manual SG 327 0.0066 -1.88 0
--.SDI.Z. 1996-09-25T20:15:17.14 10.0 undecidable manual PG 147 0.0077 0.18 1.3
--.ASS.Z. 1996-09-25T20:15:15.70 10.0 undecidable manual PG 327 0.0066 0.41 1.2
--.PQ9.Z. 1996-09-25T20:15:15.80 10.0 undecidable manual SG 159 0.004 -1 0.2
--.MNS.Z. 1996-09-25T20:15:13.67 10.0 undecidable manual SG 262 0.0034 -0.38 0.6
--.MNS.Z. 1996-09-25T20:15:08.78 10.0 undecidable manual PG 262 0.0034 0.72 0.9
--.PQ9.Z. 1996-09-25T20:15:08.95 10.0 undecidable manual PG 159 0.004 -0.28 1.6
--.AQU.Z. 1996-09-25T20:15:07.43 10.0 undecidable manual SG 119 0.0015 -0.04 0.7
--.AQU.Z. 1996-09-25T20:15:04.50 10.0 negative manual PG 119 0.0015 0.23 3.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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