Earthquake with magnitude of Md 2.4 on date 13-01-1998 and time 03:21:12 (UTC) in region 5 km SE Sellano (PG)

A magnitude Md 2.4 earthquake occured in region: 5 km SE Sellano (PG), on

  • 13-01-1998 03:21:12 (UTC)
  • 13-01-1998 04:21:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8590, 12.9660 at 5 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
Sellano PG 5 1079 1079
Cerreto di Spoleto PG 6 1075 2154
Preci PG 6 724 2878
Norcia PG 13 4957 7835
Visso MC 13 1107 8942
Vallo di Nera PG 13 364 9306
Monte Cavallo MC 15 145 9451
Castelsantangelo sul Nera MC 16 281 9732
Campello sul Clitunno PG 16 2442 12174
Cascia PG 16 3217 15391
Poggiodomo PG 17 117 15508
Ussita MC 17 444 15952
Sant'Anatolia di Narco PG 17 564 16516
Trevi PG 18 8469 24985
Scheggino PG 20 461 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 1998-01-13
03:21:12
42.859 12.966 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 320539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-01-13 03:21:12 ± 0.22
Latitude 42.8590 ± 0.0138
Longitude 12.9660 ± 0.0183
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 320539

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) 2133.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00097
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 3
Type of magnitude Md
Reference to an origin 320539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:00:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1998-01-13T03:21:31.17 10.0 undecidable manual SG 204 0.5106 -0.37 0.4
--.SNTG.Z. 1998-01-13T03:21:26.22 10.0 undecidable manual SG 357 0.3996 -1.16 0
--.MNS.Z. 1998-01-13T03:21:23.20 10.0 undecidable manual PG 204 0.5106 -0.27 1.1
--.SNTG.Z. 1998-01-13T03:21:21.10 10.0 undecidable manual PG 357 0.3996 0.12 1.5
--.ASS.Z. 1998-01-13T03:21:19.40 10.0 undecidable manual PG 311 0.3108 0.48 0.9
--.NRCA.Z. 1998-01-13T03:21:16.20 10.0 undecidable manual SG 103 0.111 -0.43 0.4
--.NRCA.Z. 1998-01-13T03:21:14.92 10.0 positive manual PG 103 0.111 0.23 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download