Earthquake with magnitude of Md 2.5 on date 01-02-1985 and time 17:13:26 (Italy) in region 3 km W Cupramontana (AN)

A magnitude Md 2.5 earthquake occured in region: 3 km W Cupramontana (AN), on

  • 01-02-1985 16:13:26 (UTC)
  • 01-02-1985 17:13:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.44, 13.08 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
Cupramontana AN 3 4756 4756
Mergo AN 5 1037 5793
Serra San Quirico AN 5 2850 8643
Rosora AN 6 1985 10628
Maiolati Spontini AN 6 6248 16876
Apiro MC 6 2280 19156
Poggio San Vicino MC 7 246 19402
Castelplanio AN 7 3540 22942
Monte Roberto AN 7 3061 26003
San Paolo di Jesi AN 8 933 26936
Castelbellino AN 8 4947 31883
Poggio San Marcello AN 9 693 32576
Staffolo AN 9 2253 34829
Montecarotto AN 10 1987 36816
Genga AN 12 1797 38613
Serra de' Conti AN 13 3746 42359
Cingoli MC 13 10352 52711
Arcevia AN 13 4612 57323
Cerreto d'Esi AN 15 3817 61140
Jesi AN 17 40399 101539
Barbara AN 17 1368 102907
Belvedere Ostrense AN 18 2234 105141
Sassoferrato AN 18 7285 112426
Fabriano AN 18 31480 143906
Ostra Vetere AN 19 3311 147217
San Marcello AN 19 2057 149274
Monsano AN 20 3405 152679
Santa Maria Nuova AN 20 4179 156858

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SW of Ancona (100861 inhabitants)
46 Km S of Fano (60888 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
61 Km NE of Foligno (57155 inhabitants)
67 Km NE of Perugia (166134 inhabitants)
81 Km SE of Rimini (147750 inhabitants)
97 Km E of Arezzo (99543 inhabitants)
100 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 2.5 1985-02-01
16:13:26
43.44 13.08 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-01 16:13:26 ± 1.064
Latitude 43.44 ± 0.06
Longitude 13.08 ± 0.10
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 889

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) 10408.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 226
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00979
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1985-02-01T16:13:47.00 10.0 undecidable manual PN 195 0.0098 -0.63 0.7
--.CH1.Z. 1985-02-01T16:13:45.00 10.0 undecidable manual PG 283 0.0075 1.73 0.1
--.PO9.Z. 1985-02-01T16:13:43.50 10.0 undecidable manual PG 186 0.0078 -0.2 1.1
--.CM8.Z. 1985-02-01T16:13:37.10 10.0 undecidable manual SG 168 0.0022 0.9 0.3
--.AS1.Z. 1985-02-01T16:13:36.00 10.0 undecidable manual PG 219 0.0043 -0.64 1.1
--.CM8.Z. 1985-02-01T16:13:32.10 10.0 undecidable manual PG 168 0.0022 0.06 1.5
--.AR1.Z. 1985-02-01T16:13:31.50 10.0 undecidable manual SG 302 0.0011 -0.25 0.9
--.AR1.Z. 1985-02-01T16:13:29.00 10.0 positive manual PG 302 0.0011 -0.47 2.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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