Earthquake with magnitude of Md 2.0 on date 07-06-1985 and time 02:03:08 (Italy) in region 4 km N Sellano (PG)

A magnitude Md 2.0 earthquake occured in region: 4 km N Sellano (PG), on

  • 07-06-1985 00:03:08 (UTC)
  • 07-06-1985 02:03:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.93, 12.93 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
Sellano PG 4 1079 1079
Monte Cavallo MC 10 145 1224
Preci PG 10 724 1948
Cerreto di Spoleto PG 12 1075 3023
Visso MC 13 1107 4130
Trevi PG 16 8469 12599
Serravalle di Chienti MC 16 1070 13669
Pieve Torina MC 17 1458 15127
Campello sul Clitunno PG 17 2442 17569
Ussita MC 17 444 18013
Fiordimonte MC 18 202 18215
Vallo di Nera PG 18 364 18579
Castelsantangelo sul Nera MC 19 281 18860
Foligno PG 19 57155 76015
Muccia MC 20 915 76930
Norcia PG 20 4957 81887
Pievebovigliana MC 20 866 82753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
49 Km E of Perugia (166134 inhabitants)
70 Km W of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 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
Rev 1000 Md 2.0 1985-06-07
00:03:08
42.93 12.93 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 8129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-07 00:03:08 ± 0.532
Latitude 42.93 ± 0.03
Longitude 12.93 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 8129

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) 4012
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 273
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.0051
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 8129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AR1.Z. 1985-06-07T00:03:29.00 10.0 undecidable manual SG 0 0.0051 0.44 0
--.AR1.Z. 1985-06-07T00:03:20.00 10.0 undecidable manual PG 0 0.0051 0.01 1
--.CM2.Z. 1985-06-07T00:03:19.80 10.0 undecidable manual SG 29 0.0028 -0.27 0.2
--.AS1.Z. 1985-06-07T00:03:17.80 10.0 undecidable manual SG 303 0.0022 -0.27 0.2
--.CM2.Z. 1985-06-07T00:03:15.10 10.0 negative manual PG 29 0.0028 0.01 2.4
--.AS1.Z. 1985-06-07T00:03:14.00 10.0 positive manual PG 303 0.0022 0.06 2.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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