Earthquake with magnitude of Md 2.2 on date 24-12-1999 and time 00:45:15 (Italy) in region 5 km W Tornimparte (AQ)

A magnitude Md 2.2 earthquake occured in region: 5 km W Tornimparte (AQ), on

  • 23-12-1999 23:45:15 (UTC)
  • 24-12-1999 00:45:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3040, 13.2420 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
Tornimparte AQ 5 3187 3187
Scoppito AQ 8 3727 6914
Lucoli AQ 8 1011 7925
Fiamignano RI 10 1413 9338
Borgorose RI 12 4591 13929
Pescorocchiano RI 13 2075 16004
L'Aquila AQ 14 69753 85757
Petrella Salto RI 14 1197 86954
Pizzoli AQ 16 4326 91280
Barete AQ 17 737 92017
Cagnano Amiterno AQ 17 1369 93386
Marcetelli RI 18 89 93475
Antrodoco RI 18 2588 96063
Borgo Velino RI 19 972 97035
Ocre AQ 19 1167 98202
Varco Sabino RI 20 187 98389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of L'Aquila (69753 inhabitants)
53 Km NE of Tivoli (56533 inhabitants)
54 Km NE of Guidonia Montecelio (88673 inhabitants)
55 Km SW of Teramo (54892 inhabitants)
57 Km SE of Terni (111501 inhabitants)
76 Km W of Chieti (51815 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Velletri (53303 inhabitants)
82 Km W of Pescara (121014 inhabitants)
85 Km SE of Foligno (57155 inhabitants)
93 Km NE of Aprilia (73446 inhabitants)
93 Km NE of Pomezia (62966 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
97 Km N of Latina (125985 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 2.2 1999-12-23
23:45:15
42.304 13.242 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 378559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-12-23 23:45:15 ± 0.169
Latitude 42.3040 ± 0.0110
Longitude 13.2420 ± 0.0154
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 378559

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) 1758.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00785
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 378559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:55:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1999-12-23T23:45:46.40 10.0 undecidable manual SG 330 0.8769 -0.04 0.4
--.SDI.Z. 1999-12-23T23:45:42.84 10.0 undecidable manual SG 144 0.7326 1.39 0
--.NRCA.Z. 1999-12-23T23:45:35.16 10.0 undecidable manual SG 349 0.5328 -0.15 0.5
--.ASS.Z. 1999-12-23T23:45:33.22 10.0 undecidable manual PG 330 0.8769 0.2 0.9
--.SDI.Z. 1999-12-23T23:45:30.34 10.0 undecidable manual PG 144 0.7326 -0.01 1.1
--.MNS.Z. 1999-12-23T23:45:30.70 10.0 undecidable manual SG 281 0.4107 -0.83 0.1
--.NRCA.Z. 1999-12-23T23:45:26.65 10.0 undecidable manual PG 349 0.5328 -0.16 1.3
--.PQ9.Z. 1999-12-23T23:45:26.25 10.0 undecidable manual SG 157 0.2997 -0.81 0.1
--.MNS.Z. 1999-12-23T23:45:24.86 10.0 positive manual PG 281 0.4107 0.24 2.3
--.PQ9.Z. 1999-12-23T23:45:21.87 10.0 negative manual PG 157 0.2997 -0.17 2.6
--.AQU.Z. 1999-12-23T23:45:19.73 10.0 undecidable manual SG 67 0.1221 -0.7 0.1
--.AQU.Z. 1999-12-23T23:45:18.34 10.0 positive manual PG 67 0.1221 0.13 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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