Earthquake with magnitude of Md 2.4 on date 29-11-1998 and time 20:56:16 (Italy) in region 8 km N Cittareale (RI)

A magnitude Md 2.4 earthquake occured in region: 8 km N Cittareale (RI), on

  • 29-11-1998 19:56:16 (UTC)
  • 29-11-1998 20:56:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6840, 13.1340 at 8 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
Cittareale RI 8 482 482
Accumoli RI 10 667 1149
Cascia PG 11 3217 4366
Norcia PG 13 4957 9323
Amatrice RI 14 2657 11980
Monteleone di Spoleto PG 15 599 12579
Poggiodomo PG 17 117 12696
Arquata del Tronto AP 17 1178 13874
Posta RI 18 694 14568
Borbona RI 19 617 15185
Leonessa RI 19 2435 17620
Montereale AQ 20 2581 20201

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
92 Km W of Pescara (121014 inhabitants)
93 Km W of Chieti (51815 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
Bulletin
Rev1000
Md 2.4 1998-11-29
19:56:16
42.684 13.134 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 355719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-11-29 19:56:16 ± 0.194
Latitude 42.6840 ± 0.0096
Longitude 13.1340 ± 0.0219
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 355719

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) 2087.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00979
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 355719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:33:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1998-11-29T19:56:39.21 10.0 undecidable manual PN 152 1.0878 0.88 0.5
--.SNTG.Z. 1998-11-29T19:56:37.84 10.0 undecidable manual SG 346 0.5883 -0.24 0.3
--.ASS.Z. 1998-11-29T19:56:36.16 10.0 undecidable manual SG 317 0.5106 0.34 0.7
--.MNS.Z. 1998-11-29T19:56:34.30 10.0 undecidable manual SG 228 0.444 0.45 0.5
--.AQU.Z. 1998-11-29T19:56:31.10 10.0 undecidable manual SG 148 0.3774 -0.44 0.2
--.PQ9.Z. 1998-11-29T19:56:31.87 10.0 undecidable manual PG 163 0.6882 0.8 0.5
--.SNTG.Z. 1998-11-29T19:56:28.64 10.0 undecidable manual PG 346 0.5883 -0.53 0.5
--.ASS.Z. 1998-11-29T19:56:27.80 10.0 undecidable manual PG 317 0.5106 -0.06 1.6
--.MNS.Z. 1998-11-29T19:56:26.39 10.0 positive manual PG 228 0.444 -0.18 3.3
--.AQU.Z. 1998-11-29T19:56:24.86 10.0 undecidable manual PG 148 0.3774 -0.53 0.7
--.NRCA.Z. 1998-11-29T19:56:23.49 10.0 undecidable manual SG 354 0.1443 0.02 0.5
--.NRCA.Z. 1998-11-29T19:56:20.81 10.0 negative manual PG 354 0.1443 0.08 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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