Earthquake with magnitude of Md 2.6 on date 23-11-1998 and time 05:33:07 (Italy) in region 3 km S Borgo Velino (RI)

A magnitude Md 2.6 earthquake occured in region: 3 km S Borgo Velino (RI), on

  • 23-11-1998 04:33:07 (UTC)
  • 23-11-1998 05:33:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.38, 13.07 at 10 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 3 972 972
Castel Sant'Angelo RI 3 1308 2280
Antrodoco RI 4 2588 4868
Micigliano RI 8 127 4995
Concerviano RI 9 291 5286
Cittaducale RI 10 6828 12114
Petrella Salto RI 10 1197 13311
Fiamignano RI 14 1413 14724
Longone Sabino RI 15 597 15321
Borbona RI 15 617 15938
Cagnano Amiterno AQ 16 1369 17307
Scoppito AQ 16 3727 21034
Posta RI 16 694 21728
Belmonte in Sabina RI 16 636 22364
Varco Sabino RI 16 187 22551
Cantalice RI 16 2755 25306
Rocca Sinibalda RI 17 815 26121
Rieti RI 17 47698 73819
Marcetelli RI 17 89 73908
Barete AQ 19 737 74645
Pizzoli AQ 20 4326 78971
Poggio Bustone RI 20 2055 81026

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of L'Aquila (69753 inhabitants)
40 Km SE of Terni (111501 inhabitants)
51 Km NE of Guidonia Montecelio (88673 inhabitants)
52 Km NE of Tivoli (56533 inhabitants)
61 Km SW of Teramo (54892 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
73 Km NE of Roma (2864731 inhabitants)
79 Km E of Viterbo (67173 inhabitants)
81 Km NE of Velletri (53303 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
91 Km W of Chieti (51815 inhabitants)
92 Km NE of Pomezia (62966 inhabitants)
94 Km NE of Aprilia (73446 inhabitants)
95 Km W of Pescara (121014 inhabitants)
97 Km NE of Fiumicino (78395 inhabitants)
98 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
Rev 1000 Md 2.6
ML-VAX 1.5
1998-11-23
04:33:07
42.38 13.07 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 355229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-11-23 04:33:07 ± 0.185
Latitude 42.38 ± 0.01
Longitude 13.07 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 355229

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) 1790
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00777
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 355229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:32:57

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 355229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1998-11-23T04:33:37.88 10.0 undecidable manual SG 140 0.0078 0.97 0.2
--.ASS.Z. 1998-11-23T04:33:34.50 10.0 undecidable manual SG 336 0.0066 1.67 0
--.RDP.Z. 1998-11-23T04:33:31.00 10.0 undecidable manual SG 202 0.0061 0.29 0.7
--.SDI.Z. 1998-11-23T04:33:25.26 10.0 undecidable manual PG 140 0.0078 0.97 0.6
--.PQ9.Z. 1998-11-23T04:33:23.36 10.0 undecidable manual SG 145 0.0039 0.35 0.7
--.NRCA.Z. 1998-11-23T04:33:23.77 10.0 undecidable manual SG 4 0.004 0.35 0.7
--.ASS.Z. 1998-11-23T04:33:21.76 10.0 undecidable manual PG 336 0.0066 -0.18 1.7
--.RDP.Z. 1998-11-23T04:33:20.50 10.0 undecidable manual PG 202 0.0061 -0.21 1.8
--.RMP.Z. 1998-11-23T04:33:20.00 10.0 undecidable manual PG 205 0.0057 0.11 1.9
--.MNS.Z. 1998-11-23T04:33:18.48 10.0 undecidable manual SG 270 0.0025 0.34 0.7
--.AQU.Z. 1998-11-23T04:33:16.76 10.0 undecidable manual SG 97 0.0022 -0.18 0.8
--.NRCA.Z. 1998-11-23T04:33:16.50 10.0 undecidable manual PG 4 0.004 -0.45 1.7
--.PQ9.Z. 1998-11-23T04:33:15.21 10.0 undecidable manual PG 145 0.0039 -1.05 0.6
--.MNS.Z. 1998-11-23T04:33:12.77 10.0 undecidable manual PG 270 0.0025 -0.68 1.3
--.AQU.Z. 1998-11-23T04:33:12.13 10.0 undecidable manual PG 97 0.0022 -0.63 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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