Earthquake with magnitude of Md 2.3 on date 27-08-1995 and time 08:35:36 (Italy) in region 4 km SE Narni (TR)

A magnitude Md 2.3 earthquake occured in region: 4 km SE Narni (TR), on

  • 27-08-1995 06:35:36 (UTC)
  • 27-08-1995 08:35:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4830, 12.5370 at 8 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
Narni TR 5 19785 19785
Otricoli TR 8 1869 21654
Calvi dell'Umbria TR 9 1856 23510
Stroncone TR 11 4917 28427
Configni RI 11 633 29060
Orte VT 13 8923 37983
Terni TR 13 111501 149484
Amelia TR 13 11897 161381
Vacone RI 13 256 161637
Montebuono RI 14 883 162520
Magliano Sabina RI 14 3774 166294
San Gemini TR 15 5018 171312
Tarano RI 15 1444 172756
Cottanello RI 15 563 173319
Penna in Teverina TR 15 1099 174418
Montasola RI 16 395 174813
Gallese VT 16 2849 177662
Collevecchio RI 16 1577 179239
Torri in Sabina RI 17 1256 180495
Vasanello VT 17 4068 184563
Giove TR 18 1928 186491
Bassano in Teverina VT 19 1313 187804
Montecastrilli TR 19 5022 192826
Greccio RI 19 1558 194384
Casperia RI 19 1246 195630
Selci RI 19 1106 196736
Lugnano in Teverina TR 20 1494 198230

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Terni (111501 inhabitants)
36 Km E of Viterbo (67173 inhabitants)
54 Km S of Foligno (57155 inhabitants)
56 Km N of Guidonia Montecelio (88673 inhabitants)
62 Km NW of Tivoli (56533 inhabitants)
66 Km N of Roma (2864731 inhabitants)
71 Km S of Perugia (166134 inhabitants)
72 Km W of L'Aquila (69753 inhabitants)
75 Km NE of Civitavecchia (52991 inhabitants)
83 Km NE of Fiumicino (78395 inhabitants)
90 Km N of Pomezia (62966 inhabitants)
91 Km N of Velletri (53303 inhabitants)
98 Km W of Teramo (54892 inhabitants)
99 Km N of Aprilia (73446 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 2.3
ML-VAX 2.1
1995-08-27
06:35:36
42.483 12.537 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 231619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-08-27 06:35:36 ± 1.023
Latitude 42.4830 ± 0.0163
Longitude 12.5370 ± 0.1329
Depth (km) 8 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 231619

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) 11051.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 198
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00656
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 231619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:39:19

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 231619
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
--.RDP.Z. 1995-08-27T06:36:02.73 10.0 undecidable manual SG 169 0.7326 -0.14 0.4
--.ASS.Z. 1995-08-27T06:35:57.61 10.0 undecidable manual SG 8 0.5883 -0.42 0.5
--.AQU.Z. 1995-08-27T06:35:51.93 10.0 undecidable manual PG 101 0.6438 1.63 0.1
--.RDP.Z. 1995-08-27T06:35:51.63 10.0 undecidable manual PG 169 0.7326 -0.25 1.1
--.ASS.Z. 1995-08-27T06:35:48.93 10.0 positive manual PG 8 0.5883 -0.16 2.5
--.MNS.Z. 1995-08-27T06:35:42.34 10.0 undecidable manual SG 132 0.1443 -0.68 0.1
--.MNS.Z. 1995-08-27T06:35:40.47 10.0 positive manual PG 132 0.1443 0.05 2.3
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