Earthquake with magnitude of Md 2.0 on date 28-02-1992 and time 22:00:45 (Italy) in region 2 km W Castelsantangelo sul Nera (MC)

A magnitude Md 2.0 earthquake occured in region: 2 km W Castelsantangelo sul Nera (MC), on

  • 28-02-1992 21:00:45 (UTC)
  • 28-02-1992 22:00:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8900, 13.1250 at 11 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
Castelsantangelo sul Nera MC 2 281 281
Visso MC 6 1107 1388
Ussita MC 6 444 1832
Preci PG 7 724 2556
Norcia PG 11 4957 7513
Bolognola MC 14 142 7655
Monte Cavallo MC 15 145 7800
Sellano PG 16 1079 8879
Acquacanina MC 16 121 9000
Fiastra MC 17 559 9559
Montemonaco AP 17 604 10163
Fiordimonte MC 17 202 10365
Montegallo AP 18 523 10888
Pieve Torina MC 18 1458 12346
Cerreto di Spoleto PG 19 1075 13421
Montefortino FM 19 1178 14599
Arquata del Tronto AP 19 1178 15777
Pievebovigliana MC 20 866 16643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
65 Km E of Perugia (166134 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
99 Km NE of Viterbo (67173 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 2.0
ML-VAX 1.6
1992-02-28
21:00:45
42.89 13.125 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 159809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-02-28 21:00:45 ± 0.224
Latitude 42.8900 ± 0.0167
Longitude 13.1250 ± 0.0172
Depth (km) 11 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 159809

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) 2326.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00559
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 159809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:29:19

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 159809
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
--.ARV.Z. 1992-02-28T21:01:08.50 10.0 undecidable manual SG 347 0.6216 1.09 0
--.ASS.Z. 1992-02-28T21:00:59.52 10.0 undecidable manual SG 296 0.3774 -0.3 0.4
--.ARV.Z. 1992-02-28T21:00:58.00 10.0 undecidable manual PG 347 0.6216 -0.16 1
--.ALP.Z. 1992-02-28T21:00:58.50 10.0 undecidable manual SG 108 0.3441 0.09 0.9
--.CIO.Z. 1992-02-28T21:00:56.80 10.0 undecidable manual SG 2 0.2997 -0.41 0.5
--.ASS.Z. 1992-02-28T21:00:53.74 10.0 undecidable manual PG 296 0.3774 -0.03 1.4
--.ALP.Z. 1992-02-28T21:00:52.70 10.0 undecidable manual PG 108 0.3441 -0.26 1.1
--.CIO.Z. 1992-02-28T21:00:51.80 10.0 undecidable manual PG 2 0.2997 -0.46 1.3
--.RMF.Z. 1992-02-28T21:00:50.60 10.0 undecidable manual SG 44 0.0777 0.02 0.9
--.RMF.Z. 1992-02-28T21:00:48.60 10.0 undecidable manual PG 44 0.0777 0.17 2.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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