Earthquake with magnitude of Md 2.5 on date 27-11-1998 and time 00:43:58 (Italy) in region 6 km SE Castel Sant'Angelo (RI)

A magnitude Md 2.5 earthquake occured in region: 6 km SE Castel Sant'Angelo (RI), on

  • 26-11-1998 23:43:58 (UTC)
  • 27-11-1998 00:43:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.36, 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
Castel Sant'Angelo RI 6 1308 1308
Borgo Velino RI 6 972 2280
Petrella Salto RI 7 1197 3477
Antrodoco RI 7 2588 6065
Concerviano RI 8 291 6356
Cittaducale RI 11 6828 13184
Micigliano RI 11 127 13311
Fiamignano RI 11 1413 14724
Longone Sabino RI 13 597 15321
Varco Sabino RI 14 187 15508
Marcetelli RI 14 89 15597
Rocca Sinibalda RI 15 815 16412
Belmonte in Sabina RI 15 636 17048
Scoppito AQ 15 3727 20775
Cagnano Amiterno AQ 17 1369 22144
Pescorocchiano RI 18 2075 24219
Castel di Tora RI 18 288 24507
Rieti RI 18 47698 72205
Borbona RI 18 617 72822
Cantalice RI 19 2755 75577
Posta RI 19 694 76271
Ascrea RI 19 234 76505
Colle di Tora RI 19 372 76877
Paganico Sabino RI 19 172 77049
Torricella in Sabina RI 20 1342 78391

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of L'Aquila (69753 inhabitants)
42 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)
71 Km NE of Roma (2864731 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
78 Km NE of Velletri (53303 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
90 Km NE of Pomezia (62966 inhabitants)
90 Km W of Chieti (51815 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Aprilia (73446 inhabitants)
95 Km W of Pescara (121014 inhabitants)
95 Km NE of Fiumicino (78395 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 2.5 1998-11-26
23:43:58
42.36 13.07 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 355599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-11-26 23:43:58 ± 0.312
Latitude 42.36 ± 0.02
Longitude 13.07 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 355599

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) 3451.1
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00761
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 355599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:33:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ASS.Z. 1998-11-26T23:44:26.18 10.0 undecidable manual SG 336 0.0069 1.05 0.3
--.PQ9.Z. 1998-11-26T23:44:15.80 10.0 undecidable manual SG 144 0.0036 1.42 0.2
--.NRCA.Z. 1998-11-26T23:44:15.75 10.0 undecidable manual SG 3 0.0043 0.01 0.8
--.SDI.Z. 1998-11-26T23:44:14.90 10.0 undecidable manual PG 139 0.0076 -0.39 1.3
--.ASS.Z. 1998-11-26T23:44:13.36 10.0 undecidable manual PG 336 0.0069 -0.51 1.3
--.MNS.Z. 1998-11-26T23:44:11.47 10.0 undecidable manual SG 276 0.0026 1.74 0.1
--.AQU.Z. 1998-11-26T23:44:09.72 10.0 undecidable manual SG 90 0.0022 1.51 0.1
--.NRCA.Z. 1998-11-26T23:44:07.85 10.0 undecidable manual PG 3 0.0043 -0.59 1.6
--.PQ9.Z. 1998-11-26T23:44:06.52 10.0 undecidable manual PG 144 0.0036 -0.72 1.4
--.AQU.Z. 1998-11-26T23:44:04.80 10.0 undecidable manual PG 90 0.0022 -0.02 2.1
--.MNS.Z. 1998-11-26T23:44:04.61 10.0 undecidable manual PG 276 0.0026 -0.37 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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