Earthquake with magnitude of Md 2.5 on date 13-09-1995 and time 00:25:48 (Italy) in region 4 km SE Giano dell'Umbria (PG)

A magnitude Md 2.5 earthquake occured in region: 4 km SE Giano dell'Umbria (PG), on

  • 12-09-1995 22:25:48 (UTC)
  • 13-09-1995 00:25:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8020, 12.5990 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 4 3846 3846
Castel Ritaldi PG 7 3278 7124
Massa Martana PG 7 3770 10894
Montefalco PG 11 5679 16573
Gualdo Cattaneo PG 13 6155 22728
Acquasparta TR 13 4778 27506
Spoleto PG 14 38218 65724
Campello sul Clitunno PG 15 2442 68166
Bevagna PG 15 5081 73247
Trevi PG 15 8469 81716
Todi PG 16 16851 98567
Collazzone PG 17 3473 102040
Montecastrilli TR 19 5022 107062
Foligno PG 19 57155 164217
Fratta Todina PG 20 1839 166056

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Foligno (57155 inhabitants)
27 Km N of Terni (111501 inhabitants)
38 Km SE of Perugia (166134 inhabitants)
59 Km NE of Viterbo (67173 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
92 Km W of Teramo (54892 inhabitants)
94 Km SE of Arezzo (99543 inhabitants)
95 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 2.5 1995-09-12
22:25:48
42.802 12.599 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 232429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-09-12 22:25:48 ± 0.315
Latitude 42.8020 ± 0.0146
Longitude 12.5990 ± 0.0456
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 232429

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) 4059.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01271
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 232429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:40:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1995-09-12T22:26:22.37 10.0 undecidable manual SG 330 0.9324 0.39 0.7
--.SDI.Z. 1995-09-12T22:26:16.49 10.0 undecidable manual PN 140 1.4097 1.44 0.6
--.AQU.Z. 1995-09-12T22:26:14.47 10.0 undecidable manual SG 126 0.7326 -1.03 0.4
--.CRE.Z. 1995-09-12T22:26:08.20 10.0 undecidable manual PG 330 0.9324 0.24 1.9
--.AQU.Z. 1995-09-12T22:26:05.54 10.0 undecidable manual PG 126 0.7326 1.31 1.1
--.MNS.Z. 1995-09-12T22:26:04.87 10.0 undecidable manual SG 171 0.4107 -0.28 0.8
--.ASS.Z. 1995-09-12T22:25:58.83 10.0 undecidable manual SG 8 0.2553 -0.27 0.8
--.MNS.Z. 1995-09-12T22:25:57.12 10.0 undecidable manual PG 171 0.4107 -1.13 1
--.ASS.Z. 1995-09-12T22:25:54.90 10.0 undecidable manual PG 8 0.2553 -0.66 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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