Earthquake with magnitude of Md 2.3 on date 07-01-2002 and time 12:42:12 (Italy) in region 2 km E Valle Castellana (TE)

A magnitude Md 2.3 earthquake occured in region: 2 km E Valle Castellana (TE), on

  • 07-01-2002 11:42:12 (UTC)
  • 07-01-2002 12:42:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.73, 13.52 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
Valle Castellana TE 2 977 977
Rocca Santa Maria TE 5 537 1514
Acquasanta Terme AP 10 2916 4430
Cortino TE 12 656 5086
Civitella del Tronto TE 13 5116 10202
Folignano AP 14 9241 19443
Campli TE 14 7209 26652
Torricella Sicura TE 14 2641 29293
Ascoli Piceno AP 14 49407 78700
Roccafluvione AP 15 2010 80710
Venarotta AP 17 2066 82776
Teramo TE 17 54892 137668
Maltignano AP 18 2401 140069
Arquata del Tronto AP 19 1178 141247
Montorio al Vomano TE 19 8218 149465
Palmiano AP 19 196 149661
Sant'Egidio alla Vibrata TE 19 9811 159472
Montegallo AP 19 523 159995

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
57 Km W of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
68 Km NW of Chieti (51815 inhabitants)
71 Km E of Foligno (57155 inhabitants)
74 Km E of Terni (111501 inhabitants)
98 Km S of Ancona (100861 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 2002-01-07
11:42:12
42.73 13.52 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 434219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-01-07 11:42:12 ± 0.965
Latitude 42.73 ± 0.03
Longitude 13.52 ± 0.08
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 434219

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) 6891.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 279
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 434219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:50:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ASS.Z. 2002-01-07T11:42:36.15 10.0 undecidable manual SG 297 0.0064 -1.12 0.1
--.SNTG.Z. 2002-01-07T11:42:36.39 10.0 undecidable manual SG 320 0.006 0.52 0.4
--.ASS.Z. 2002-01-07T11:42:27.51 10.0 undecidable manual PG 297 0.0064 0.73 0.5
--.MNS.Z. 2002-01-07T11:42:26.85 10.0 undecidable manual PG 240 0.0063 0.17 1.3
--.SNTG.Z. 2002-01-07T11:42:25.98 10.0 positive manual PG 320 0.006 0.01 2.8
--.NRCA.Z. 2002-01-07T11:42:25.60 10.0 undecidable manual SG 288 0.0028 0.64 0.3
--.NRCA.Z. 2002-01-07T11:42:18.77 10.0 negative manual PG 288 0.0028 -0.59 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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