Earthquake with magnitude of Md 2.3 on date 31-01-1996 and time 03:25:36 (Italy) in region 8 km NW Cortino (TE)

A magnitude Md 2.3 earthquake occured in region: 8 km NW Cortino (TE), on

  • 31-01-1996 02:25:36 (UTC)
  • 31-01-1996 03:25:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6600, 13.4190 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
Cortino TE 8 656 656
Rocca Santa Maria TE 9 537 1193
Valle Castellana TE 11 977 2170
Amatrice RI 11 2657 4827
Campotosto AQ 12 542 5369
Acquasanta Terme AP 12 2916 8285
Crognaleto TE 13 1297 9582
Accumoli RI 15 667 10249
Fano Adriano TE 15 296 10545
Arquata del Tronto AP 16 1178 11723
Capitignano AQ 18 665 12388
Pietracamela TE 19 271 12659
Montorio al Vomano TE 19 8218 20877
Torricella Sicura TE 19 2641 23518

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of Teramo (54892 inhabitants)
34 Km N of L'Aquila (69753 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
64 Km E of Terni (111501 inhabitants)
67 Km SE of Foligno (57155 inhabitants)
69 Km W of Pescara (121014 inhabitants)
70 Km W of Chieti (51815 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
93 Km NE of Guidonia Montecelio (88673 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
Bulletin
Rev1000
Md 2.3
ML-VAX 1.8
1996-01-31
02:25:36
42.66 13.419 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 240939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-01-31 02:25:36 ± 0.599
Latitude 42.6600 ± 0.0272
Longitude 13.4190 ± 0.0414
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 240939

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) 4540.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00890
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 4
Type of magnitude Md
Reference to an origin 240939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:48:02

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 240939
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. 1996-01-31T02:26:10.30 10.0 undecidable manual SG 162 0.9879 -0.18 0.7
--.PQ9.Z. 1996-01-31T02:25:59.20 10.0 undecidable manual SG 181 0.6327 0.4 0.7
--.ASS.Z. 1996-01-31T02:25:59.59 10.0 undecidable manual SG 305 0.6882 -0.93 0.4
--.MNS.Z. 1996-01-31T02:25:57.49 10.0 undecidable manual SG 243 0.5994 -0.4 0.7
--.SDI.Z. 1996-01-31T02:25:55.11 10.0 undecidable manual PG 162 0.9879 -0.82 0.9
--.ASS.Z. 1996-01-31T02:25:51.27 10.0 undecidable manual PG 305 0.6882 0.94 0.9
--.AQU.Z. 1996-01-31T02:25:49.87 10.0 undecidable manual SG 182 0.3108 1.72 0
--.MNS.Z. 1996-01-31T02:25:48.59 10.0 undecidable manual PG 243 0.5994 -0.23 2
--.PQ9.Z. 1996-01-31T02:25:48.82 10.0 undecidable manual PG 181 0.6327 -0.52 1.6
--.AQU.Z. 1996-01-31T02:25:43.42 10.0 undecidable manual PG 182 0.3108 0.22 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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