Earthquake with magnitude of Md 2.4 on date 13-09-1998 and time 07:24:38 (Italy) in region 1 km E Borgo Velino (RI)

A magnitude Md 2.4 earthquake occured in region: 1 km E Borgo Velino (RI), on

  • 13-09-1998 05:24:38 (UTC)
  • 13-09-1998 07:24:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4070, 13.0710 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 1 972 972
Antrodoco RI 2 2588 3560
Castel Sant'Angelo RI 4 1308 4868
Micigliano RI 5 127 4995
Cittaducale RI 10 6828 11823
Concerviano RI 12 291 12114
Petrella Salto RI 12 1197 13311
Borbona RI 13 617 13928
Posta RI 13 694 14622
Cagnano Amiterno AQ 14 1369 15991
Cantalice RI 15 2755 18746
Scoppito AQ 16 3727 22473
Fiamignano RI 16 1413 23886
Rieti RI 17 47698 71584
Longone Sabino RI 17 597 72181
Belmonte in Sabina RI 18 636 72817
Barete AQ 18 737 73554
Poggio Bustone RI 19 2055 75609
Pizzoli AQ 19 4326 79935
Rocca Sinibalda RI 19 815 80750
Varco Sabino RI 19 187 80937
Leonessa RI 19 2435 83372
Montereale AQ 20 2581 85953
Marcetelli RI 20 89 86042

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)
53 Km NE of Guidonia Montecelio (88673 inhabitants)
54 Km NE of Tivoli (56533 inhabitants)
59 Km W of Teramo (54892 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
75 Km NE of Roma (2864731 inhabitants)
79 Km E of Viterbo (67173 inhabitants)
84 Km N of Velletri (53303 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
90 Km W of Chieti (51815 inhabitants)
94 Km W of Pescara (121014 inhabitants)
94 Km NE of Pomezia (62966 inhabitants)
96 Km SE of Perugia (166134 inhabitants)
97 Km NE of Aprilia (73446 inhabitants)
99 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
Bulletin
Rev1000
Md 2.4 1998-09-13
05:24:38
42.407 13.071 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 350949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-09-13 05:24:38 ± 0.075
Latitude 42.4070 ± 0.0039
Longitude 13.0710 ± 0.0049
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 350949

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) 596.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00793
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 350949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:28:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1998-09-13T05:25:10.38 10.0 undecidable manual SG 141 0.8769 0.16 0.4
--.SDI.Z. 1998-09-13T05:24:57.16 10.0 undecidable manual PG 141 0.8769 0.2 1
--.NRCA.Z. 1998-09-13T05:24:55.36 10.0 undecidable manual SG 4 0.4218 -0.05 0.9
--.ASS.Z. 1998-09-13T05:24:54.15 10.0 undecidable manual PG 335 0.7215 0.22 1.1
--.MNS.Z. 1998-09-13T05:24:50.24 10.0 undecidable manual SG 265 0.2886 0.13 0.7
--.NRCA.Z. 1998-09-13T05:24:48.43 10.0 undecidable manual PG 4 0.4218 0.02 2.3
--.AQU.Z. 1998-09-13T05:24:48.67 10.0 undecidable manual SG 102 0.2442 0.02 0.9
--.MNS.Z. 1998-09-13T05:24:45.00 10.0 undecidable manual PG 265 0.2886 -0.36 0.9
--.AQU.Z. 1998-09-13T05:24:44.18 10.0 undecidable manual PG 102 0.2442 -0.33 0.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download