Earthquake with magnitude of Md 2.0 on date 08-02-1992 and time 20:20:39 (UTC) in region 2 km SW Appignano (MC)

A magnitude Md 2.0 earthquake occured in region: 2 km SW Appignano (MC), on

  • 08-02-1992 20:20:39 (UTC)
  • 08-02-1992 21:20:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.35, 13.34 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
Appignano MC 2 4213 4213
Treia MC 5 9403 13616
Montecassiano MC 8 7125 20741
Pollenza MC 9 6618 27359
Filottrano AN 10 9499 36858
Cingoli MC 10 10352 47210
Macerata MC 11 42473 89683
Montefano MC 11 3541 93224
Staffolo AN 15 2253 95477
Tolentino MC 16 20069 115546
Santa Maria Nuova AN 17 4179 119725
Urbisaglia MC 17 2628 122353
Apiro MC 17 2280 124633
Petriolo MC 18 1998 126631
San Paolo di Jesi AN 18 933 127564
Corridonia MC 18 15430 142994
Recanati MC 18 21349 164343
San Severino Marche MC 19 12726 177069
Montelupone MC 19 3596 180665
Osimo AN 19 34977 215642

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Ancona (100861 inhabitants)
61 Km SE of Fano (60888 inhabitants)
67 Km NE of Foligno (57155 inhabitants)
71 Km SE of Pesaro (94582 inhabitants)
81 Km E of Perugia (166134 inhabitants)
82 Km NW of Teramo (54892 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
Rev 1000 Md 2.0
ML-VAX 1.7
1992-02-08
20:20:39
43.35 13.34 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 158409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-02-08 20:20:39 ± 0.32
Latitude 43.35 ± 0.02
Longitude 13.34 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 158409

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) 3707.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00518
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

Field Value
Value 2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 158409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:28:02

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 158409
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 Takeoff_angle Residual Weight
--.ASS.Z. 1992-02-08T20:20:59.35 10.0 undecidable manual SG 240 0.0052 -0.42 0.4
--.RMF.Z. 1992-02-08T20:20:55.00 10.0 undecidable manual SG 193 0.0036 0.68 0.5
--.ARV.Z. 1992-02-08T20:20:52.25 10.0 undecidable manual SG 297 0.0028 0.6 0.4
--.AOI.Z. 1992-02-08T20:20:51.40 10.0 undecidable manual SG 43 0.0024 1.26 0.2
--.CIO.Z. 1992-02-08T20:20:50.00 10.0 undecidable manual SG 222 0.0019 1.99 0
--.ASS.Z. 1992-02-08T20:20:49.89 10.0 undecidable manual PG 240 0.0052 -1.26 0.3
--.RMF.Z. 1992-02-08T20:20:47.30 10.0 undecidable manual PG 193 0.0036 -0.7 1.8
--.ARV.Z. 1992-02-08T20:20:46.17 10.0 undecidable manual PG 297 0.0028 -0.29 1.3
--.AOI.Z. 1992-02-08T20:20:45.40 10.0 undecidable manual PG 43 0.0024 -0.19 2.7
--.CIO.Z. 1992-02-08T20:20:44.80 10.0 undecidable manual PG 222 0.0019 0.45 2.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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