Earthquake with magnitude of Md 2.8 on date 07-10-1998 and time 12:03:34 (Italy) in region 1 km E Castel Sant'Angelo (RI)

A magnitude Md 2.8 earthquake occured in region: 1 km E Castel Sant'Angelo (RI), on

  • 07-10-1998 10:03:34 (UTC)
  • 07-10-1998 12:03:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.39, 13.05 at 7 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 1 1308 1308
Borgo Velino RI 2 972 2280
Antrodoco RI 4 2588 4868
Micigliano RI 7 127 4995
Cittaducale RI 8 6828 11823
Concerviano RI 9 291 12114
Petrella Salto RI 11 1197 13311
Longone Sabino RI 15 597 13908
Cantalice RI 15 2755 16663
Belmonte in Sabina RI 15 636 17299
Rieti RI 15 47698 64997
Fiamignano RI 15 1413 66410
Borbona RI 16 617 67027
Posta RI 16 694 67721
Rocca Sinibalda RI 16 815 68536
Cagnano Amiterno AQ 17 1369 69905
Varco Sabino RI 17 187 70092
Scoppito AQ 18 3727 73819
Marcetelli RI 18 89 73908
Poggio Bustone RI 18 2055 75963

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of L'Aquila (69753 inhabitants)
38 Km SE of Terni (111501 inhabitants)
51 Km NE of Guidonia Montecelio (88673 inhabitants)
52 Km NE of Tivoli (56533 inhabitants)
62 Km W of Teramo (54892 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
72 Km NE of Roma (2864731 inhabitants)
77 Km E of Viterbo (67173 inhabitants)
81 Km N of Velletri (53303 inhabitants)
92 Km NE of Pomezia (62966 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
92 Km W of Chieti (51815 inhabitants)
94 Km NE of Aprilia (73446 inhabitants)
96 Km NE of Fiumicino (78395 inhabitants)
96 Km SE of Perugia (166134 inhabitants)
96 Km W of Pescara (121014 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 2.2
1998-10-07
10:03:34
42.39 13.05 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 352909
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-10-07 10:03:34 ± 0.176
Latitude 42.39 ± 0.01
Longitude 13.05 ± 0.01
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 352909

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) 1599.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01158
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 352909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:30:43

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 352909
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
--.ARV.Z. 1998-10-07T10:04:11.00 10.0 undecidable manual SN 356 0.01 -1.14 0.1
--.SDI.Z. 1998-10-07T10:04:05.88 10.0 undecidable manual SG 140 0.0079 0.52 0.4
--.ASS.Z. 1998-10-07T10:04:01.55 10.0 undecidable manual SG 337 0.0066 1.12 0.1
--.RFI.Z. 1998-10-07T10:04:00.25 10.0 undecidable manual PN 147 0.0116 1.51 0
--.RDP.Z. 1998-10-07T10:03:58.97 10.0 undecidable manual SG 201 0.0061 0.32 0.5
--.CRVI.Z. 1998-10-07T10:03:56.43 10.0 undecidable manual PN 125 0.0103 -0.31 1
--.ARV.Z. 1998-10-07T10:03:55.96 10.0 undecidable manual PN 356 0.01 -0.28 1.1
--.SDI.Z. 1998-10-07T10:03:51.86 10.0 undecidable manual PG 140 0.0079 -0.46 1
--.NRCA.Z. 1998-10-07T10:03:51.89 10.0 undecidable manual SG 6 0.004 0.63 0.3
--.ASS.Z. 1998-10-07T10:03:49.29 10.0 undecidable manual PG 337 0.0066 -0.19 1.5
--.RDP.Z. 1998-10-07T10:03:47.94 10.0 undecidable manual PG 201 0.0061 -0.51 1
--.RMP.Z. 1998-10-07T10:03:47.17 10.0 undecidable manual PG 204 0.0057 -0.45 1.1
--.AQU.Z. 1998-10-07T10:03:45.15 10.0 undecidable manual SG 97 0.0023 0.1 0.6
--.MNS.Z. 1998-10-07T10:03:45.78 10.0 undecidable manual SG 269 0.0023 0.57 0.4
--.NRCA.Z. 1998-10-07T10:03:44.50 10.0 undecidable manual PG 6 0.004 -0.14 1.5
--.MNS.Z. 1998-10-07T10:03:40.72 10.0 negative manual PG 269 0.0023 0.03 3.2
--.AQU.Z. 1998-10-07T10:03:40.58 10.0 negative manual PG 97 0.0023 -0.02 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download