Earthquake with magnitude of Md 2.1 on date 25-06-1990 and time 11:33:09 (Italy) in region 2 km SW Fossato di Vico (PG)

A magnitude Md 2.1 earthquake occured in region: 2 km SW Fossato di Vico (PG), on

  • 25-06-1990 09:33:09 (UTC)
  • 25-06-1990 11:33:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2800, 12.7500 at 10 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 2 2840 2840
Sigillo PG 6 2404 5244
Gualdo Tadino PG 6 15208 20452
Costacciaro PG 9 1216 21668
Fabriano AN 14 31480 53148
Scheggia e Pascelupo PG 15 1393 54541
Gubbio PG 16 32216 86757
Esanatoglia MC 16 2034 88791
Fiuminata MC 18 1402 90193
Valfabbrica PG 18 3389 93582
Nocera Umbra PG 19 5839 99421
Sassoferrato AN 20 7285 106706
Cerreto d'Esi AN 20 3817 110523

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Perugia (166134 inhabitants)
36 Km N of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
71 Km S of Pesaro (94582 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
80 Km N of Terni (111501 inhabitants)
88 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 2.1 1990-06-25
09:33:09
43.28 12.75 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 121609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-06-25 09:33:09 ± 0.512
Latitude 43.2800 ± 0.0255
Longitude 12.7500 ± 0.0451
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 121609

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) 4619.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00413
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 121609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:52:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1990-06-25T09:33:20.00 10.0 undecidable manual SG 198 0.222 1.61 0.2
--.ARV.Z. 1990-06-25T09:33:20.50 10.0 undecidable manual SG 32 0.2553 1.11 0.4
--.CIO.Z. 1990-06-25T09:33:20.34 10.0 undecidable manual SG 106 0.2997 -0.31 0.8
--.RM8.Z. 1990-06-25T09:33:17.96 10.0 undecidable manual PG 133 0.4551 -0.93 0.9
--.CIO.Z. 1990-06-25T09:33:16.78 10.0 undecidable manual PG 106 0.2997 1 1.1
--.ARV.Z. 1990-06-25T09:33:14.50 10.0 undecidable manual PG 32 0.2553 -0.55 1.8
--.ASS.Z. 1990-06-25T09:33:14.00 10.0 undecidable manual PG 198 0.222 -0.47 1.9
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