Earthquake with magnitude of Md 2.2 on date 03-03-1985 and time 22:30:19 (Italy) in region 5 km SE Scheggino (PG)

A magnitude Md 2.2 earthquake occured in region: 5 km SE Scheggino (PG), on

  • 03-03-1985 21:30:19 (UTC)
  • 03-03-1985 22:30:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.67, 12.87 at 6 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
Scheggino PG 5 461 461
Sant'Anatolia di Narco PG 7 564 1025
Poggiodomo PG 7 117 1142
Monteleone di Spoleto PG 7 599 1741
Ferentillo TR 8 1913 3654
Polino TR 10 233 3887
Vallo di Nera PG 11 364 4251
Montefranco TR 12 1276 5527
Spoleto PG 13 38218 43745
Arrone TR 13 2763 46508
Cascia PG 13 3217 49725
Leonessa RI 15 2435 52160
Morro Reatino RI 16 373 52533
Cerreto di Spoleto PG 17 1075 53608
Labro RI 17 374 53982
Rivodutri RI 17 1253 55235
Campello sul Clitunno PG 18 2442 57677
Poggio Bustone RI 19 2055 59732

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Terni (111501 inhabitants)
34 Km SE of Foligno (57155 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
62 Km SE of Perugia (166134 inhabitants)
68 Km E of Viterbo (67173 inhabitants)
69 Km W of Teramo (54892 inhabitants)
76 Km N of Guidonia Montecelio (88673 inhabitants)
79 Km N of Tivoli (56533 inhabitants)
92 Km NE of Roma (2864731 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 2.2 1985-03-03
21:30:19
42.67 12.87 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 2949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-03 21:30:19 ± 0.215
Latitude 42.67 ± 0.01
Longitude 12.87 ± 0.02
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2949

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) 2153.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.01069
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 2949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SD1.Z. 1985-03-03T21:31:00.00 10.0 undecidable manual SN 143 0.0107 0.41 0.3
--.SD1.Z. 1985-03-03T21:30:43.00 10.0 undecidable manual PN 143 0.0107 0.27 1
--.AR1.Z. 1985-03-03T21:30:37.00 10.0 undecidable manual PG 3 0.0074 0.39 1.1
--.AS1.Z. 1985-03-03T21:30:36.00 10.0 undecidable manual SG 338 0.0037 0.11 1.1
--.MNS.Z. 1985-03-03T21:30:32.50 10.0 undecidable manual SG 205 0.0028 0.36 0.9
--.AQU.Z. 1985-03-03T21:30:30.00 10.0 undecidable manual PG 128 0.0045 -0.66 0.7
--.AS1.Z. 1985-03-03T21:30:28.00 10.0 undecidable manual PG? 338 0.0037 -1.05 0.1
--.MNS.Z. 1985-03-03T21:30:26.50 10.0 undecidable manual PG 205 0.0028 -0.39 1.3
--.PO9.Z. 1985-03-03T21:30:24.00 10.0 undecidable manual SG 150 0.001 -0.52 0.4
--.PO9.Z. 1985-03-03T21:30:22.80 10.0 positive manual PG 150 0.001 0.3 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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