Earthquake with magnitude of Md 2.0 on date 11-03-1998 and time 09:10:48 (Italy) in region 6 km SE Valtopina (PG)

A magnitude Md 2.0 earthquake occured in region: 6 km SE Valtopina (PG), on

  • 11-03-1998 08:10:48 (UTC)
  • 11-03-1998 09:10:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0100, 12.7920 at 15 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
Valtopina PG 6 1398 1398
Foligno PG 9 57155 58553
Spello PG 10 8645 67198
Nocera Umbra PG 11 5839 73037
Serravalle di Chienti MC 15 1070 74107
Trevi PG 15 8469 82576
Assisi PG 16 28299 110875
Cannara PG 17 4305 115180
Bevagna PG 17 5081 120261
Montefalco PG 17 5679 125940
Monte Cavallo MC 17 145 126085
Sellano PG 17 1079 127164
Sefro MC 20 422 127586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NE of Foligno (57155 inhabitants)
35 Km E of Perugia (166134 inhabitants)
51 Km N of Terni (111501 inhabitants)
84 Km W of Teramo (54892 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
90 Km SE of Arezzo (99543 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 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
ML-VAX 1.6
1998-03-11
08:10:48
43.01 12.792 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 324669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-03-11 08:10:48 ± 0.465
Latitude 43.0100 ± 0.0153
Longitude 12.7920 ± 0.0313
Depth (km) 15 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 324669

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) 3066.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00607
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 324669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:04:24

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 324669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FB9.Z. 1998-03-11T08:11:13.40 10.0 undecidable manual SG 359 0.6771 0.68 0.1
--.ARV.Z. 1998-03-11T08:11:06.85 10.0 undecidable manual SG 12 0.4995 0.26 0.4
--.FB9.Z. 1998-03-11T08:11:01.68 10.0 undecidable manual PG 359 0.6771 -0.59 0.3
--.NRCA.Z. 1998-03-11T08:10:59.97 10.0 undecidable manual SG 126 0.2886 -0.06 0.8
--.ARV.Z. 1998-03-11T08:10:58.82 10.0 undecidable manual PG 12 0.4995 -0.12 1.6
--.NRCA.Z. 1998-03-11T08:10:55.18 10.0 undecidable manual PG 126 0.2886 0.03 2
--.ASS.Z. 1998-03-11T08:10:54.70 10.0 undecidable manual SG 297 0.111 -0.19 0.8
--.ASS.Z. 1998-03-11T08:10:52.32 10.0 undecidable manual PG 297 0.111 0.13 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