Earthquake with magnitude of Md 2.4 on date 20-07-2002 and time 03:45:39 (Italy) in region 1 km E Cagnano Amiterno (AQ)

A magnitude Md 2.4 earthquake occured in region: 1 km E Cagnano Amiterno (AQ), on

  • 20-07-2002 01:45:39 (UTC)
  • 20-07-2002 03:45:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4660, 13.2410 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
Cagnano Amiterno AQ 1 1369 1369
Barete AQ 4 737 2106
Pizzoli AQ 6 4326 6432
Montereale AQ 7 2581 9013
Capitignano AQ 8 665 9678
Borbona RI 10 617 10295
Scoppito AQ 11 3727 14022
Posta RI 14 694 14716
Antrodoco RI 14 2588 17304
Campotosto AQ 15 542 17846
Micigliano RI 15 127 17973
Borgo Velino RI 16 972 18945
L'Aquila AQ 18 69753 88698
Cittareale RI 18 482 89180
Amatrice RI 19 2657 91837
Castel Sant'Angelo RI 19 1308 93145
Tornimparte AQ 20 3187 96332

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
100 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 2.4 2002-07-20
01:45:39
42.466 13.241 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 445679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-07-20 01:45:39 ± 0.142
Latitude 42.4660 ± 0.0072
Longitude 13.2410 ± 0.0117
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 445679

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) 1247.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.00777
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 445679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:01:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 2002-07-20T01:46:09.60 10.0 undecidable manual SG 150 0.8658 -0.71 0.1
--.ASS.Z. 2002-07-20T01:46:06.11 10.0 undecidable manual SG 324 0.7326 0.51 0.2
--.SDI.Z. 2002-07-20T01:45:57.10 10.0 undecidable manual PG 150 0.8658 0.2 1.5
--.MNS.Z. 2002-07-20T01:45:55.34 10.0 undecidable manual SG 259 0.4107 -0.06 0.8
--.ASS.Z. 2002-07-20T01:45:54.72 10.0 undecidable manual PG 324 0.7326 0.32 1.2
--.VVLD.N. 2002-07-20T01:45:53.25 10.0 undecidable manual PG 154 0.6549 0.25 1.5
--.NRCA.Z. 2002-07-20T01:45:53.61 10.0 undecidable manual SG 345 0.3774 -0.19 0.7
--.MNS.Z. 2002-07-20T01:45:48.32 10.0 undecidable manual PG 259 0.4107 -0.19 1.8
--.NRCA.Z. 2002-07-20T01:45:47.18 10.0 undecidable manual PG 345 0.3774 -0.41 1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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