Earthquake with magnitude of Md 2.4 on date 03-03-1999 and time 05:38:06 (Italy) in region 2 km S Borgo Velino (RI)

A magnitude Md 2.4 earthquake occured in region: 2 km S Borgo Velino (RI), on

  • 03-03-1999 04:38:06 (UTC)
  • 03-03-1999 05:38:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.39, 13.06 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
Borgo Velino RI 2 972 972
Castel Sant'Angelo RI 2 1308 2280
Antrodoco RI 3 2588 4868
Micigliano RI 7 127 4995
Cittaducale RI 9 6828 11823
Concerviano RI 10 291 12114
Petrella Salto RI 11 1197 13311
Borbona RI 15 617 13928
Posta RI 15 694 14622
Fiamignano RI 15 1413 16035
Cantalice RI 15 2755 18790
Longone Sabino RI 15 597 19387
Cagnano Amiterno AQ 16 1369 20756
Belmonte in Sabina RI 16 636 21392
Rieti RI 16 47698 69090
Scoppito AQ 17 3727 72817
Rocca Sinibalda RI 17 815 73632
Varco Sabino RI 17 187 73819
Marcetelli RI 18 89 73908
Poggio Bustone RI 19 2055 75963
Barete AQ 20 737 76700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of L'Aquila (69753 inhabitants)
39 Km E of Terni (111501 inhabitants)
51 Km NE of Guidonia Montecelio (88673 inhabitants)
52 Km NE of Tivoli (56533 inhabitants)
61 Km W of Teramo (54892 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
73 Km NE of Roma (2864731 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
82 Km N of Velletri (53303 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
91 Km W of Chieti (51815 inhabitants)
93 Km NE of Pomezia (62966 inhabitants)
95 Km NE of Aprilia (73446 inhabitants)
95 Km W of Pescara (121014 inhabitants)
96 Km SE of Perugia (166134 inhabitants)
97 Km NE of Fiumicino (78395 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 1999-03-03
04:38:06
42.39 13.06 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 360609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-03-03 04:38:06 ± 0.22
Latitude 42.39 ± 0.01
Longitude 13.06 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 360609

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) 1853.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00777
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 360609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:38:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 1999-03-03T04:38:38.37 10.0 undecidable manual SG 354 0.0078 1.01 0.1
--.ASS.Z. 1999-03-03T04:38:32.93 10.0 undecidable manual SG 336 0.0066 -0.15 0.7
--.SNTG.Z. 1999-03-03T04:38:24.75 10.0 undecidable manual PG 354 0.0078 0.35 1.3
--.NRCA.Z. 1999-03-03T04:38:23.60 10.0 undecidable manual SG 5 0.004 -0.16 0.8
--.PQ9.Z. 1999-03-03T04:38:22.64 10.0 undecidable manual SG 145 0.004 -1.34 0.1
--.ASS.Z. 1999-03-03T04:38:21.55 10.0 undecidable manual PG 336 0.0066 -0.38 1.4
--.AQU.Z. 1999-03-03T04:38:17.50 10.0 undecidable manual SG 98 0.0023 0.31 0.8
--.PQ9.Z. 1999-03-03T04:38:17.75 10.0 undecidable manual PG 145 0.004 1.07 0.4
--.MNS.Z. 1999-03-03T04:38:17.60 10.0 undecidable manual SG 268 0.0024 0.04 0.9
--.NRCA.Z. 1999-03-03T04:38:16.14 10.0 undecidable manual PG 5 0.004 -0.41 1.7
--.MNS.Z. 1999-03-03T04:38:12.86 10.0 undecidable manual PG 268 0.0024 -0.11 2.1
--.AQU.Z. 1999-03-03T04:38:12.90 10.0 undecidable manual PG 98 0.0023 -0.41 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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