Earthquake with magnitude of Md 2.2 on date 10-06-1985 and time 03:43:26 (Italy) in region 10 km NW Sellano (PG)

A magnitude Md 2.2 earthquake occured in region: 10 km NW Sellano (PG), on

  • 10-06-1985 01:43:26 (UTC)
  • 10-06-1985 03:43:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9680, 12.8800 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 10 1079 1079
Monte Cavallo MC 10 145 1224
Serravalle di Chienti MC 13 1070 2294
Foligno PG 14 57155 59449
Valtopina PG 14 1398 60847
Trevi PG 15 8469 69316
Preci PG 16 724 70040
Pieve Torina MC 16 1458 71498
Cerreto di Spoleto PG 17 1075 72573
Spello PG 17 8645 81218
Visso MC 18 1107 82325
Nocera Umbra PG 18 5839 88164
Campello sul Clitunno PG 18 2442 90606
Muccia MC 19 915 91521
Fiordimonte MC 19 202 91723
Pievebovigliana MC 20 866 92589

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
49 Km NE of Terni (111501 inhabitants)
76 Km W of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
98 Km S of Fano (60888 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 2.2 1985-06-10
01:43:26
42.968 12.88 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 8319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-10 01:43:26 ± 0.663
Latitude 42.9680 ± 0.0405
Longitude 12.8800 ± 0.0207
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 8319

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) 4811.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 259
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00478
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 8319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AR1.Z. 1985-06-10T01:43:45.50 10.0 undecidable manual SG 4 0.5328 -0.34 0.3
--.AR1.Z. 1985-06-10T01:43:39.00 10.0 undecidable manual PG 4 0.5328 1.19 0.1
--.CM2.Z. 1985-06-10T01:43:38.10 10.0 undecidable manual SG 40 0.2886 -0.12 0.8
--.AS1.Z. 1985-06-10T01:43:34.50 10.0 undecidable manual SG 299 0.1887 -0.39 0.6
--.CM2.Z. 1985-06-10T01:43:33.20 10.0 undecidable manual PG 40 0.2886 -0.21 2.6
--.AS1.Z. 1985-06-10T01:43:31.50 10.0 undecidable manual PG 299 0.1887 0.01 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