Earthquake with magnitude of Md 2.0 on date 22-03-1998 and time 10:54:15 (Italy) in region 7 km NW Sellano (PG)

A magnitude Md 2.0 earthquake occured in region: 7 km NW Sellano (PG), on

  • 22-03-1998 09:54:15 (UTC)
  • 22-03-1998 10:54:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9210, 12.8580 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 7 1079 1079
Trevi PG 10 8469 9548
Cerreto di Spoleto PG 12 1075 10623
Campello sul Clitunno PG 13 2442 13065
Foligno PG 13 57155 70220
Monte Cavallo MC 14 145 70365
Preci PG 16 724 71089
Vallo di Nera PG 17 364 71453
Montefalco PG 17 5679 77132
Spello PG 17 8645 85777
Valtopina PG 18 1398 87175
Castel Ritaldi PG 19 3278 90453
Serravalle di Chienti MC 19 1070 91523
Visso MC 19 1107 92630

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
44 Km NE of Terni (111501 inhabitants)
75 Km W of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
100 Km SE of Arezzo (99543 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 2.0 1998-03-22
09:54:15
42.921 12.858 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 326619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-03-22 09:54:15 ± 0.351
Latitude 42.9210 ± 0.0196
Longitude 12.8580 ± 0.0323
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 326619

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) 3417.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
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) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00518
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 326619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:06:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1998-03-22T09:54:36.78 10.0 undecidable manual SG 193 0.5439 0.75 0.5
--.ARV.Z. 1998-03-22T09:54:35.93 10.0 undecidable manual SG 6 0.5772 -1.06 0.4
--.MNS.Z. 1998-03-22T09:54:26.57 10.0 positive manual PG 193 0.5439 -0.77 2.6
--.ARV.Z. 1998-03-22T09:54:26.83 10.0 undecidable manual PG 6 0.5772 -1.06 0.9
--.ASS.Z. 1998-03-22T09:54:24.88 10.0 undecidable manual SG 313 0.1998 1.27 0.3
--.NRCA.Z. 1998-03-22T09:54:24.50 10.0 undecidable manual SG 115 0.1998 0.91 0.6
--.NRCA.Z. 1998-03-22T09:54:21.00 10.0 undecidable manual PG 115 0.1998 0.84 1.5
--.ASS.Z. 1998-03-22T09:54:21.17 10.0 undecidable manual PG 313 0.1998 1.01 1.2
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