Earthquake with magnitude of Md 2.4 on date 28-03-1998 and time 22:51:57 (Italy) in region 6 km NW Sellano (PG)

A magnitude Md 2.4 earthquake occured in region: 6 km NW Sellano (PG), on

  • 28-03-1998 21:51:57 (UTC)
  • 28-03-1998 22:51:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9300, 12.8710 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 6 1079 1079
Trevi PG 12 8469 9548
Cerreto di Spoleto PG 13 1075 10623
Monte Cavallo MC 13 145 10768
Foligno PG 14 57155 67923
Campello sul Clitunno PG 14 2442 70365
Preci PG 15 724 71089
Valtopina PG 17 1398 72487
Serravalle di Chienti MC 17 1070 73557
Spello PG 18 8645 82202
Vallo di Nera PG 18 364 82566
Visso MC 18 1107 83673
Montefalco PG 18 5679 89352
Pieve Torina MC 20 1458 90810
Castel Ritaldi PG 20 3278 94088

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
45 Km NE of Terni (111501 inhabitants)
74 Km W of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 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 1998-03-28
21:51:57
42.93 12.871 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 328749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-03-28 21:51:57 ± 0.297
Latitude 42.9300 ± 0.0130
Longitude 12.8710 ± 0.0298
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 328749

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) 2821.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00688
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 328749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:08:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1998-03-28T21:52:26.69 10.0 undecidable manual SG 354 0.7659 1.59 0
--.ARV.Z. 1998-03-28T21:52:18.10 10.0 undecidable manual SG 5 0.5661 -0.77 0.3
--.MNS.Z. 1998-03-28T21:52:18.82 10.0 undecidable manual SG 194 0.555 0.2 0.6
--.FB9.Z. 1998-03-28T21:52:13.17 10.0 undecidable manual PG 354 0.7659 -0.34 1.2
--.MNS.Z. 1998-03-28T21:52:10.30 10.0 undecidable manual PG 194 0.555 0.27 1.4
--.ARV.Z. 1998-03-28T21:52:10.10 10.0 undecidable manual PG 5 0.5661 0.18 1.5
--.SNTG.Z. 1998-03-28T21:52:10.68 10.0 undecidable manual SG 8 0.3219 0.23 0.7
--.ASS.Z. 1998-03-28T21:52:07.59 10.0 undecidable manual SG 309 0.2109 1.73 0
--.NRCA.Z. 1998-03-28T21:52:05.48 10.0 undecidable manual SG 118 0.1998 -0.16 0.7
--.SNTG.Z. 1998-03-28T21:52:04.95 10.0 undecidable manual PG 8 0.3219 -0.1 1.8
--.NRCA.Z. 1998-03-28T21:52:02.33 10.0 positive manual PG 118 0.1998 0.05 3.5
--.ASS.Z. 1998-03-28T21:52:00.96 10.0 undecidable manual PG 309 0.2109 -1.45 0.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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