Earthquake with magnitude of Md 2.0 on date 04-03-1990 and time 13:27:11 (Italy) in region 5 km SW Sefro (MC)

A magnitude Md 2.0 earthquake occured in region: 5 km SW Sefro (MC), on

  • 04-03-1990 12:27:11 (UTC)
  • 04-03-1990 13:27:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1220, 12.8980 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
Sefro MC 5 422 422
Serravalle di Chienti MC 7 1070 1492
Fiuminata MC 8 1402 2894
Nocera Umbra PG 9 5839 8733
Pioraco MC 10 1134 9867
Muccia MC 13 915 10782
Valtopina PG 14 1398 12180
Camerino MC 14 6974 19154
Esanatoglia MC 15 2034 21188
Pieve Torina MC 15 1458 22646
Gualdo Tadino PG 15 15208 37854
Castelraimondo MC 16 4587 42441
Monte Cavallo MC 17 145 42586
Pievebovigliana MC 17 866 43452
Matelica MC 18 9981 53433
Fiordimonte MC 18 202 53635
Gagliole MC 19 620 54255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Foligno (57155 inhabitants)
41 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
81 Km S of Fano (60888 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
91 Km E of Arezzo (99543 inhabitants)
95 Km NW of L'Aquila (69753 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 1990-03-04
12:27:11
43.122 12.898 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 111059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-03-04 12:27:11 ± 0.199
Latitude 43.1220 ± 0.0138
Longitude 12.8980 ± 0.0152
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 111059

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) 1969.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00340
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 111059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:43:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1990-03-04T12:27:25.57 10.0 undecidable manual SG 4 0.3774 0.08 0.5
--.RM8.Z. 1990-03-04T12:27:22.96 10.0 undecidable manual SG 126 0.2775 0.54 0.4
--.ASS.Z. 1990-03-04T12:27:20.26 10.0 undecidable manual SG 251 0.1776 0.86 0.1
--.CIO.Z. 1990-03-04T12:27:20.30 10.0 undecidable manual SG 67 0.1887 0.46 0.5
--.ARV.Z. 1990-03-04T12:27:19.36 10.0 undecidable manual PG 4 0.3774 -0.19 1.2
--.RM8.Z. 1990-03-04T12:27:17.12 10.0 undecidable manual PG 126 0.2775 -0.66 0.4
--.CIO.Z. 1990-03-04T12:27:16.15 10.0 negative manual PG 67 0.1887 0.02 3.4
--.ASS.Z. 1990-03-04T12:27:15.86 10.0 undecidable manual PG 251 0.1776 -0.18 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