Earthquake with magnitude of Md 2.4 on date 04-10-1995 and time 15:00:11 (Italy) in region SE Giano dell'Umbria (PG)

A magnitude Md 2.4 earthquake occured in region: SE Giano dell'Umbria (PG), on

  • 04-10-1995 14:00:11 (UTC)
  • 04-10-1995 15:00:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8320, 12.5810 at 5 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
Giano dell'Umbria PG 0 3846 3846
Castel Ritaldi PG 8 3278 7124
Massa Martana PG 8 3770 10894
Gualdo Cattaneo PG 9 6155 17049
Montefalco PG 9 5679 22728
Bevagna PG 12 5081 27809
Collazzone PG 14 3473 31282
Trevi PG 15 8469 39751
Todi PG 15 16851 56602
Acquasparta TR 16 4778 61380
Campello sul Clitunno PG 16 2442 63822
Spoleto PG 17 38218 102040
Foligno PG 17 57155 159195
Fratta Todina PG 18 1839 161034
Cannara PG 18 4305 165339
Monte Castello di Vibio PG 19 1567 166906
Spello PG 19 8645 175551

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SW of Foligno (57155 inhabitants)
31 Km N of Terni (111501 inhabitants)
34 Km SE of Perugia (166134 inhabitants)
60 Km NE of Viterbo (67173 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
91 Km SE of Arezzo (99543 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
94 Km W of Teramo (54892 inhabitants)
98 Km N of Tivoli (56533 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 2.4 1995-10-04
14:00:11
42.832 12.581 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 233899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-10-04 14:00:11 ± 0.314
Latitude 42.8320 ± 0.0105
Longitude 12.5810 ± 0.0713
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 233899

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) 5926.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00818
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 233899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:41:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1995-10-04T14:00:42.86 10.0 undecidable manual SG 330 0.9102 -1.03 0
--.CRE.Z. 1995-10-04T14:00:31.10 10.0 undecidable manual PG 330 0.9102 0.7 0.4
--.MNS.Z. 1995-10-04T14:00:29.53 10.0 undecidable manual SG 170 0.444 0.38 0.5
--.ARV.Z. 1995-10-04T14:00:27.00 10.0 undecidable manual PG 21 0.7104 0.29 1.2
--.MNS.Z. 1995-10-04T14:00:21.40 10.0 undecidable manual PG 170 0.444 -0.4 1.1
--.ASS.Z. 1995-10-04T14:00:20.95 10.0 undecidable manual SG 12 0.2331 -0.08 0.7
--.ASS.Z. 1995-10-04T14:00:16.97 10.0 negative manual PG 12 0.2331 -0.14 3.2
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