Earthquake with magnitude of Md 2.2 on date 17-10-1995 and time 17:14:00 (Italy) in region 6 km E Trevi (PG)

A magnitude Md 2.2 earthquake occured in region: 6 km E Trevi (PG), on

  • 17-10-1995 16:14:00 (UTC)
  • 17-10-1995 17:14:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8930, 12.8240 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
Trevi PG 6 8469 8469
Sellano PG 9 1079 9548
Campello sul Clitunno PG 9 2442 11990
Cerreto di Spoleto PG 11 1075 13065
Foligno PG 12 57155 70220
Montefalco PG 14 5679 75899
Vallo di Nera PG 14 364 76263
Castel Ritaldi PG 15 3278 79541
Spello PG 17 8645 88186
Preci PG 18 724 88910
Sant'Anatolia di Narco PG 18 564 89474
Bevagna PG 18 5081 94555
Monte Cavallo MC 18 145 94700
Spoleto PG 19 38218 132918
Valtopina PG 19 1398 134316
Scheggino PG 20 461 134777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SE of Foligno (57155 inhabitants)
40 Km NE of Terni (111501 inhabitants)
43 Km SE of Perugia (166134 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km SE of Arezzo (99543 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
ML-VAX 1.7
1995-10-17
16:14:00
42.893 12.824 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 235199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-10-17 16:14:00 ± 0.435
Latitude 42.8930 ± 0.0197
Longitude 12.8240 ± 0.0594
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 235199

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) 5314.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00866
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 235199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:42:40

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 235199
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(km) Takeoff_angle Residual Weight
--.CRE.Z. 1995-10-17T16:14:33.22 10.0 undecidable manual SG 318 0.9657 -0.65 0.3
--.ARV.Z. 1995-10-17T16:14:21.23 10.0 undecidable manual SG 8 0.6105 -1.29 0.1
--.CRE.Z. 1995-10-17T16:14:20.49 10.0 undecidable manual PG 318 0.9657 0.52 0.9
--.MNS.Z. 1995-10-17T16:14:18.24 10.0 undecidable manual SG 191 0.5106 -1.31 0.1
--.ARV.Z. 1995-10-17T16:14:13.69 10.0 undecidable manual PG 8 0.6105 0.27 1.6
--.MNS.Z. 1995-10-17T16:14:12.10 10.0 undecidable manual PG 191 0.5106 0.31 1.5
--.ASS.Z. 1995-10-17T16:14:08.91 10.0 undecidable manual SG 323 0.2109 -0.75 0.3
--.ASS.Z. 1995-10-17T16:14:06.24 10.0 positive manual PG 323 0.2109 0.25 3.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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