Earthquake with magnitude of Md 2.8 on date 14-11-1998 and time 11:02:18 (Italy) in region 5 km SE Castel Sant'Angelo (RI)

A magnitude Md 2.8 earthquake occured in region: 5 km SE Castel Sant'Angelo (RI), on

  • 14-11-1998 10:02:18 (UTC)
  • 14-11-1998 11:02:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.36, 13.06 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
Castel Sant'Angelo RI 5 1308 1308
Borgo Velino RI 5 972 2280
Antrodoco RI 7 2588 4868
Petrella Salto RI 7 1197 6065
Concerviano RI 7 291 6356
Cittaducale RI 10 6828 13184
Micigliano RI 10 127 13311
Fiamignano RI 12 1413 14724
Longone Sabino RI 12 597 15321
Varco Sabino RI 14 187 15508
Rocca Sinibalda RI 15 815 16323
Belmonte in Sabina RI 15 636 16959
Marcetelli RI 15 89 17048
Scoppito AQ 16 3727 20775
Rieti RI 17 47698 68473
Cagnano Amiterno AQ 17 1369 69842
Castel di Tora RI 18 288 70130
Cantalice RI 18 2755 72885
Borbona RI 18 617 73502
Pescorocchiano RI 18 2075 75577
Posta RI 19 694 76271
Colle di Tora RI 19 372 76643
Ascrea RI 19 234 76877
Torricella in Sabina RI 19 1342 78219
Paganico Sabino RI 20 172 78391

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of L'Aquila (69753 inhabitants)
41 Km SE of Terni (111501 inhabitants)
49 Km NE of Guidonia Montecelio (88673 inhabitants)
49 Km NE of Tivoli (56533 inhabitants)
62 Km SW of Teramo (54892 inhabitants)
70 Km NE of Roma (2864731 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
78 Km NE of Velletri (53303 inhabitants)
79 Km E of Viterbo (67173 inhabitants)
90 Km NE of Pomezia (62966 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
91 Km W of Chieti (51815 inhabitants)
92 Km NE of Aprilia (73446 inhabitants)
94 Km NE of Fiumicino (78395 inhabitants)
95 Km W of Pescara (121014 inhabitants)
100 Km SE of Perugia (166134 inhabitants)
100 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
Rev 1000 Md 2.8
ML-VAX 1.8
1998-11-14
10:02:18
42.36 13.06 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 354859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-11-14 10:02:18 ± 0.139
Latitude 42.36 ± 0.01
Longitude 13.06 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 354859

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) 1471.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00809
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 354859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:32:36

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 354859
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
--.SNTG.Z. 1998-11-14T10:02:35.74 10.0 undecidable manual PG 354 0.0081 -0.34 0.7
--.NRCA.Z. 1998-11-14T10:02:35.45 10.0 undecidable manual SG 4 0.0042 -0.02 0.6
--.SDI.Z. 1998-11-14T10:02:35.64 10.0 undecidable manual PG 139 0.0076 0.43 0.5
--.ASS.Z. 1998-11-14T10:02:33.40 10.0 undecidable manual PG 337 0.0069 -0.18 1.1
--.PQ9.Z. 1998-11-14T10:02:32.76 10.0 undecidable manual SG 143 0.0037 -0.89 0
--.MNS.Z. 1998-11-14T10:02:29.47 10.0 undecidable manual SG 275 0.0025 0.15 0.6
--.AQU.Z. 1998-11-14T10:02:28.80 10.0 undecidable manual SG 91 0.0022 0.58 0.1
--.NRCA.Z. 1998-11-14T10:02:28.11 10.0 undecidable manual PG 4 0.0042 -0.1 1.5
--.PQ9.Z. 1998-11-14T10:02:26.65 10.0 undecidable manual PG 143 0.0037 -0.51 0.5
--.MNS.Z. 1998-11-14T10:02:24.85 10.0 positive manual PG 275 0.0025 0.19 2.7
--.AQU.Z. 1998-11-14T10:02:24.22 10.0 negative manual PG 91 0.0022 0.2 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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