Earthquake with magnitude of Md 2.4 on date 19-01-1985 and time 15:01:00 (Italy) in region 5 km NW Gubbio (PG)

A magnitude Md 2.4 earthquake occured in region: 5 km NW Gubbio (PG), on

  • 19-01-1985 14:01:00 (UTC)
  • 19-01-1985 15:01:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.38, 12.53 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
Gubbio PG 5 32216 32216
Pietralunga PG 10 2111 34327
Scheggia e Pascelupo PG 11 1393 35720
Cantiano PU 13 2245 37965
Costacciaro PG 15 1216 39181
Montone PG 17 1680 40861
Sigillo PG 18 2404 43265
Umbertide PG 19 16681 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
49 Km N of Foligno (57155 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
84 Km W of Ancona (100861 inhabitants)
87 Km S of Cesena (96758 inhabitants)
92 Km N of Terni (111501 inhabitants)
97 Km E of Siena (53903 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 2.4
ML-VAX 2.1
1985-01-19
14:01:00
43.38 12.53 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-19 14:01:00 ± 0.225
Latitude 43.38 ± 0.01
Longitude 12.53 ± 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 619

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) 2116
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00899
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:51

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1985-01-19T14:01:36.00 10.0 undecidable manual SG 173 0.009 1.45 0
--.PO9.Z. 1985-01-19T14:01:30.50 10.0 undecidable manual SG 159 0.0077 0.5 0.3
--.MNS.Z. 1985-01-19T14:01:20.10 10.0 undecidable manual PG 173 0.009 -0.05 1.3
--.CH1.Z. 1985-01-19T14:01:18.80 10.0 undecidable manual SG 300 0.0044 0.64 0.3
--.PO9.Z. 1985-01-19T14:01:16.70 10.0 undecidable manual PG 159 0.0077 -0.82 0.4
--.AR1.Z. 1985-01-19T14:01:13.00 10.0 undecidable manual SG 68 0.0028 0.35 0.8
--.AS1.Z. 1985-01-19T14:01:12.80 10.0 undecidable manual SG 164 0.0029 -0.19 0.6
--.CH1.Z. 1985-01-19T14:01:10.40 10.0 undecidable manual PG 300 0.0044 -0.29 1.4
--.AS1.Z. 1985-01-19T14:01:07.40 10.0 undecidable manual PG 164 0.0029 -0.31 1.4
--.AR1.Z. 1985-01-19T14:01:07.50 10.0 positive manual PG 68 0.0028 -0.01 3.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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