Earthquake with magnitude of Md 2.4 on date 11-10-1994 and time 18:07:58 (Italy) in region 4 km NW Ussita (MC)

A magnitude Md 2.4 earthquake occured in region: 4 km NW Ussita (MC), on

  • 11-10-1994 17:07:58 (UTC)
  • 11-10-1994 18:07:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9770, 13.1100 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
Ussita MC 4 444 444
Visso MC 5 1107 1551
Fiordimonte MC 7 202 1753
Fiastra MC 8 559 2312
Acquacanina MC 8 121 2433
Monte Cavallo MC 9 145 2578
Pieve Torina MC 9 1458 4036
Castelsantangelo sul Nera MC 10 281 4317
Pievebovigliana MC 10 866 5183
Bolognola MC 10 142 5325
Preci PG 12 724 6049
Muccia MC 13 915 6964
Serravalle di Chienti MC 17 1070 8034
Sarnano MC 17 3264 11298
Sellano PG 18 1079 12377
Camerino MC 18 6974 19351
Cessapalombo MC 19 512 19863
Montefortino FM 19 1178 21041
Montemonaco AP 20 604 21645

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
60 Km NE of Terni (111501 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
99 Km NW of Montesilvano (53738 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
ML-VAX 1.8
1994-10-11
17:07:58
42.977 13.11 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 218109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-10-11 17:07:58 ± 0.424
Latitude 42.9770 ± 0.0227
Longitude 13.1100 ± 0.0491
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 218109

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) 4728.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.01230
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 218109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:25:54

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 218109
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
--.SFI.Z. 1994-10-11T17:08:24.00 10.0 undecidable manual PN 315 1.2987 1.68 0.4
--.SDI.Z. 1994-10-11T17:08:24.58 10.0 undecidable manual PN 157 1.3653 1.36 0.5
--.PGD.Z. 1994-10-11T17:08:21.50 10.0 undecidable manual PN 311 1.3431 -1.46 0.5
--.CRE.Z. 1994-10-11T17:08:20.43 10.0 undecidable manual PN 307 1.0545 1.45 0.6
--.ARV.Z. 1994-10-11T17:08:17.44 10.0 undecidable manual SG 346 0.5328 -0.05 0.7
--.MNS.Z. 1994-10-11T17:08:11.00 10.0 undecidable manual PG 207 0.666 -0.91 1.1
--.AQU.Z. 1994-10-11T17:08:11.00 10.0 undecidable manual PG 160 0.6549 -0.69 1.3
--.ASS.Z. 1994-10-11T17:08:11.57 10.0 undecidable manual SG 284 0.3441 0.2 0.6
--.ARV.Z. 1994-10-11T17:08:08.75 10.0 positive manual PG 346 0.5328 -0.66 2.7
--.ASS.Z. 1994-10-11T17:08:05.74 10.0 undecidable manual PG 284 0.3441 -0.14 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
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