Earthquake with magnitude of Md 2.5 on date 26-11-1998 and time 22:40:17 (Italy) in region 5 km SE Borgo Velino (RI)

A magnitude Md 2.5 earthquake occured in region: 5 km SE Borgo Velino (RI), on

  • 26-11-1998 21:40:17 (UTC)
  • 26-11-1998 22:40:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.37, 13.08 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 5 972 972
Castel Sant'Angelo RI 5 1308 2280
Antrodoco RI 6 2588 4868
Petrella Salto RI 8 1197 6065
Concerviano RI 9 291 6356
Micigliano RI 10 127 6483
Cittaducale RI 11 6828 13311
Fiamignano RI 12 1413 14724
Longone Sabino RI 14 597 15321
Scoppito AQ 15 3727 19048
Varco Sabino RI 15 187 19235
Marcetelli RI 16 89 19324
Cagnano Amiterno AQ 16 1369 20693
Rocca Sinibalda RI 16 815 21508
Belmonte in Sabina RI 16 636 22144
Borbona RI 17 617 22761
Posta RI 18 694 23455
Rieti RI 18 47698 71153
Cantalice RI 19 2755 73908
Pescorocchiano RI 19 2075 75983
Barete AQ 19 737 76720
Castel di Tora RI 19 288 77008
Pizzoli AQ 19 4326 81334
Tornimparte AQ 20 3187 84521
Ascrea RI 20 234 84755

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of L'Aquila (69753 inhabitants)
42 Km SE of Terni (111501 inhabitants)
50 Km NE of Guidonia Montecelio (88673 inhabitants)
50 Km NE of Tivoli (56533 inhabitants)
61 Km SW of Teramo (54892 inhabitants)
72 Km NE of Roma (2864731 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
80 Km NE of Velletri (53303 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
89 Km W of Chieti (51815 inhabitants)
91 Km NE of Pomezia (62966 inhabitants)
93 Km NE of Aprilia (73446 inhabitants)
94 Km W of Pescara (121014 inhabitants)
96 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 2.5 1998-11-26
21:40:17
42.37 13.08 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 355569
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-11-26 21:40:17 ± 0.247
Latitude 42.37 ± 0.02
Longitude 13.08 ± 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 355569

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) 2482.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.0021
Epicentral distance of station farthest from the epicenter (degree) 0.00801
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 355569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:33:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ASS.Z. 1998-11-26T21:40:45.20 10.0 undecidable manual SG 336 0.0068 0.89 0.3
--.SDI.Z. 1998-11-26T21:40:36.60 10.0 undecidable manual PG 140 0.0076 1.85 0.2
--.SNTG.Z. 1998-11-26T21:40:36.14 10.0 undecidable manual PG 353 0.008 0.59 1.2
--.NRCA.Z. 1998-11-26T21:40:34.41 10.0 undecidable manual SG 3 0.0041 -0.39 0.7
--.ASS.Z. 1998-11-26T21:40:33.25 10.0 undecidable manual PG 336 0.0068 0.11 1.6
--.PQ9.Z. 1998-11-26T21:40:32.20 10.0 undecidable manual SG 145 0.0037 -1.16 0.1
--.MNS.Z. 1998-11-26T21:40:29.80 10.0 undecidable manual SG 273 0.0026 0.5 0.7
--.NRCA.Z. 1998-11-26T21:40:27.13 10.0 undecidable manual PG 3 0.0041 -0.52 1.4
--.AQU.Z. 1998-11-26T21:40:27.66 10.0 undecidable manual SG 93 0.0021 0.26 0.8
--.PQ9.Z. 1998-11-26T21:40:26.75 10.0 undecidable manual PG 145 0.0037 0.03 1.9
--.AQU.Z. 1998-11-26T21:40:23.27 10.0 undecidable manual PG 93 0.0021 -0.1 1.8
--.MNS.Z. 1998-11-26T21:40:23.91 10.0 undecidable manual PG 273 0.0026 -0.56 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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