Earthquake with magnitude of Md 2.0 on date 30-09-1998 and time 00:43:50 (UTC) in region 9 km SW Fossato di Vico (PG)

A magnitude Md 2.0 earthquake occured in region: 9 km SW Fossato di Vico (PG), on

  • 30-09-1998 00:43:50 (UTC)
  • 30-09-1998 02:43:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2480, 12.6730 at 9 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
Fossato di Vico PG 9 2840 2840
Gualdo Tadino PG 9 15208 18048
Sigillo PG 11 2404 20452
Valfabbrica PG 11 3389 23841
Costacciaro PG 13 1216 25057
Gubbio PG 14 32216 57273
Scheggia e Pascelupo PG 17 1393 58666
Nocera Umbra PG 18 5839 64505

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Perugia (166134 inhabitants)
33 Km N of Foligno (57155 inhabitants)
68 Km E of Arezzo (99543 inhabitants)
72 Km SW of Fano (60888 inhabitants)
76 Km S of Pesaro (94582 inhabitants)
76 Km N of Terni (111501 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
91 Km S of Rimini (147750 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 1.5
1998-09-30
00:43:50
43.248 12.673 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 352419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-09-30 00:43:50 ± 0.079
Latitude 43.2480 ± 0.0043
Longitude 12.6730 ± 0.0080
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 352419

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) 805.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00469
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 352419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:30:12

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 352419
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. 1998-09-30T00:44:06.86 10.0 undecidable manual SG 9 0.444 0.15 0.4
--.ARV.Z. 1998-09-30T00:44:02.20 10.0 undecidable manual SG 38 0.3108 -0.28 0.1
--.NRCA.Z. 1998-09-30T00:44:01.20 10.0 undecidable manual PG 142 0.5217 0.12 1.2
--.FB9.Z. 1998-09-30T00:43:59.74 10.0 undecidable manual PG 9 0.444 0.04 1.8
--.SNTG.Z. 1998-09-30T00:43:58.80 10.0 undecidable manual SG 87 0.1887 -0.15 0.5
--.ARV.Z. 1998-09-30T00:43:57.14 10.0 undecidable manual PG 38 0.3108 -0.12 1.6
--.ASS.Z. 1998-09-30T00:43:57.88 10.0 undecidable manual SG 184 0.1776 -0.05 0.9
--.SNTG.Z. 1998-09-30T00:43:54.99 10.0 undecidable manual PG 87 0.1887 0.19 1
--.ASS.Z. 1998-09-30T00:43:54.50 10.0 undecidable manual PG 184 0.1776 -0.13 1.5
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