Earthquake with magnitude of Md 2.4 on date 14-11-1998 and time 05:03:17 (Italy) in region 2 km E Norcia (PG)

A magnitude Md 2.4 earthquake occured in region: 2 km E Norcia (PG), on

  • 14-11-1998 04:03:17 (UTC)
  • 14-11-1998 05:03:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.79, 13.12 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
Norcia PG 2 4957 4957
Cascia PG 11 3217 8174
Preci PG 12 724 8898
Castelsantangelo sul Nera MC 12 281 9179
Arquata del Tronto AP 15 1178 10357
Accumoli RI 15 667 11024
Visso MC 16 1107 12131
Cerreto di Spoleto PG 17 1075 13206
Poggiodomo PG 17 117 13323
Ussita MC 18 444 13767
Montegallo AP 19 523 14290
Sellano PG 19 1079 15369
Cittareale RI 19 482 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
99 Km NW 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
Rev 1000 Md 2.4 1998-11-14
04:03:17
42.79 13.12 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 354849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-11-14 04:03:17 ± 0.521
Latitude 42.79 ± 0.01
Longitude 13.12 ± 0.06
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 354849

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) 4723.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00461
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 354849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:32:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1998-11-14T04:03:36.29 10.0 undecidable manual SG 218 0.0046 0.32 0.5
--.SNTG.Z. 1998-11-14T04:03:35.40 10.0 undecidable manual SG 344 0.0043 0.48 0.3
--.ASS.Z. 1998-11-14T04:03:32.75 10.0 undecidable manual SG 309 0.0039 -0.66 0.2
--.SNTG.Z. 1998-11-14T04:03:27.80 10.0 undecidable manual PG 344 0.0043 -0.48 0.8
--.ASS.Z. 1998-11-14T04:03:27.28 10.0 undecidable manual PG 309 0.0039 0.59 0.6
--.MNS.Z. 1998-11-14T04:03:27.84 10.0 undecidable manual PG 218 0.0046 -0.33 1.2
--.NRCA.Z. 1998-11-14T04:03:21.13 10.0 undecidable manual SG 357 0.0003 -0.3 0.6
--.NRCA.Z. 1998-11-14T04:03:19.88 10.0 negative manual PG 357 0.0003 0.11 3.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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