Earthquake with magnitude of Md 2.4 on date 19-01-1999 and time 23:25:26 (Italy) in region 4 km SW Cagnano Amiterno (AQ)

A magnitude Md 2.4 earthquake occured in region: 4 km SW Cagnano Amiterno (AQ), on

  • 19-01-1999 22:25:26 (UTC)
  • 19-01-1999 23:25:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.43, 13.21 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 4 1369 1369
Barete AQ 7 737 2106
Pizzoli AQ 7 4326 6432
Scoppito AQ 7 3727 10159
Antrodoco RI 11 2588 12747
Montereale AQ 11 2581 15328
Borbona RI 11 617 15945
Borgo Velino RI 13 972 16917
Micigliano RI 13 127 17044
Capitignano AQ 13 665 17709
Posta RI 14 694 18403
Castel Sant'Angelo RI 15 1308 19711
Tornimparte AQ 17 3187 22898
L'Aquila AQ 18 69753 92651
Lucoli AQ 18 1011 93662
Petrella Salto RI 19 1197 94859
Fiamignano RI 19 1413 96272
Campotosto AQ 20 542 96814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of L'Aquila (69753 inhabitants)
48 Km SW of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
62 Km NE of Tivoli (56533 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
79 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
84 Km NE of Roma (2864731 inhabitants)
90 Km NE of Velletri (53303 inhabitants)
91 Km E of Viterbo (67173 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 2.4 1999-01-19
22:25:26
42.43 13.21 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 357919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-01-19 22:25:26 ± 0.428
Latitude 42.43 ± 0.03
Longitude 13.21 ± 0.06
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 357919

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) 5507.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
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) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00761
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 357919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:35:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 1999-01-19T22:25:55.54 10.0 undecidable manual SG 346 0.0076 -0.94 0.5
--.ASS.Z. 1999-01-19T22:25:53.77 10.0 undecidable manual SG 327 0.0067 0.36 0.8
--.SNTG.Z. 1999-01-19T22:25:44.75 10.0 undecidable manual PG 346 0.0076 1.02 1.2
--.ASS.Z. 1999-01-19T22:25:43.89 10.0 undecidable manual PG 327 0.0067 1.93 0.6
--.PQ9.Z. 1999-01-19T22:25:42.00 10.0 undecidable manual SG 160 0.0038 -0.91 0.5
--.NRCA.Z. 1999-01-19T22:25:40.33 10.0 undecidable manual SG 350 0.0036 -1.95 0.2
--.PQ9.Z. 1999-01-19T22:25:35.50 10.0 undecidable manual PG 160 0.0038 -0.39 2
--.NRCA.Z. 1999-01-19T22:25:34.41 10.0 undecidable manual PG 350 0.0036 -1.13 1.3
--.AQU.Z. 1999-01-19T22:25:33.54 10.0 undecidable manual SG 117 0.0014 0.83 0.6
--.AQU.Z. 1999-01-19T22:25:30.90 10.0 undecidable manual PG 117 0.0014 0.09 2.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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