Earthquake with magnitude of Md 2.0 on date 06-02-1990 and time 17:08:13 (Italy) in region 2 km S Serravalle di Chienti (MC)

A magnitude Md 2.0 earthquake occured in region: 2 km S Serravalle di Chienti (MC), on

  • 06-02-1990 16:08:13 (UTC)
  • 06-02-1990 17:08:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0530, 12.9540 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
Serravalle di Chienti MC 2 1070 1070
Monte Cavallo MC 8 145 1215
Pieve Torina MC 8 1458 2673
Muccia MC 8 915 3588
Sefro MC 11 422 4010
Pievebovigliana MC 11 866 4876
Fiordimonte MC 11 202 5078
Camerino MC 13 6974 12052
Pioraco MC 14 1134 13186
Nocera Umbra PG 15 5839 19025
Fiuminata MC 15 1402 20427
Valtopina PG 16 1398 21825
Fiastra MC 17 559 22384
Visso MC 17 1107 23491
Acquacanina MC 18 121 23612
Sellano PG 18 1079 24691
Ussita MC 19 444 25135
Castelraimondo MC 20 4587 29722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
96 Km S of Pesaro (94582 inhabitants)
98 Km E of Arezzo (99543 inhabitants)
99 Km NE of Viterbo (67173 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 1990-02-06
16:08:13
43.053 12.954 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 109659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-06 16:08:13 ± 0.172
Latitude 43.0530 ± 0.0103
Longitude 12.9540 ± 0.0146
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 109659

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) 1646.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.01069
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 109659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:41:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CP9.Z. 1990-02-06T16:08:36.12 10.0 undecidable manual PN 180 1.1877 0.19 0.8
--.ARV.Z. 1990-02-06T16:08:29.78 10.0 undecidable manual SG 359 0.444 0.04 0.7
--.ASS.Z. 1990-02-06T16:08:23.50 10.0 undecidable manual SG 272 0.2109 0.52 0.1
--.ARV.Z. 1990-02-06T16:08:22.83 10.0 undecidable manual PG 359 0.444 -0.06 1.7
--.CIO.Z. 1990-02-06T16:08:22.11 10.0 undecidable manual SG 44 0.1887 0.32 0.6
--.CIO.Z. 1990-02-06T16:08:18.50 10.0 undecidable manual PG 44 0.1887 -0.25 2.5
--.ASS.Z. 1990-02-06T16:08:18.29 10.0 undecidable manual PG 272 0.2109 -0.43 0.6
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