Earthquake with magnitude of Md 2.3 on date 09-09-1995 and time 01:16:59 (Italy) in region 1 km NW Valle Castellana (TE)

A magnitude Md 2.3 earthquake occured in region: 1 km NW Valle Castellana (TE), on

  • 08-09-1995 23:16:59 (UTC)
  • 09-09-1995 01:16:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7460, 13.4880 at 5 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
Valle Castellana TE 1 977 977
Acquasanta Terme AP 7 2916 3893
Rocca Santa Maria TE 7 537 4430
Roccafluvione AP 13 2010 6440
Cortino TE 14 656 7096
Ascoli Piceno AP 14 49407 56503
Folignano AP 15 9241 65744
Civitella del Tronto TE 15 5116 70860
Venarotta AP 15 2066 72926
Arquata del Tronto AP 16 1178 74104
Campli TE 16 7209 81313
Montegallo AP 17 523 81836
Torricella Sicura TE 17 2641 84477
Palmiano AP 17 196 84673
Maltignano AP 19 2401 87074

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
67 Km W of Pescara (121014 inhabitants)
68 Km E of Foligno (57155 inhabitants)
71 Km NW of Chieti (51815 inhabitants)
72 Km E of Terni (111501 inhabitants)
97 Km S of Ancona (100861 inhabitants)
98 Km E 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
Bulletin
Rev1000
Md 2.3
ML-VAX 1.6
1995-09-08
23:16:59
42.746 13.488 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 232229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-09-08 23:16:59 ± 0.652
Latitude 42.7460 ± 0.0265
Longitude 13.4880 ± 0.0488
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 232229

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) 4955.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00356
Epicentral distance of station farthest from the epicenter (degree) 0.00955
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 232229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:39:53

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 232229
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(km) Takeoff_angle Residual Weight
--.SDI.Z. 1995-09-08T23:17:35.27 10.0 undecidable manual SG 166 1.0656 -1.18 0.3
--.PQ9.Z. 1995-09-08T23:17:26.31 10.0 undecidable manual SG 185 0.7215 0.67 0.7
--.ASS.Z. 1995-09-08T23:17:25.69 10.0 undecidable manual SG 297 0.6882 1.26 0.4
--.MNS.Z. 1995-09-08T23:17:24.65 10.0 undecidable manual SG 238 0.6882 0.02 0.9
--.SDI.Z. 1995-09-08T23:17:20.94 10.0 undecidable manual PG 166 1.0656 0.13 1.8
--.AQU.Z. 1995-09-08T23:17:16.20 10.0 undecidable manual SG 189 0.3996 1.37 0.3
--.PQ9.Z. 1995-09-08T23:17:15.75 10.0 undecidable manual PG 185 0.7215 1.18 1
--.ASS.Z. 1995-09-08T23:17:13.85 10.0 undecidable manual PG 297 0.6882 -0.02 2.3
--.MNS.Z. 1995-09-08T23:17:12.72 10.0 undecidable manual PG 238 0.6882 -1.27 0.9
--.AQU.Z. 1995-09-08T23:17:07.44 10.0 undecidable manual PG 189 0.3996 -0.9 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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