Earthquake with magnitude of Md 2.4 on date 12-02-1985 and time 15:32:35 (UTC) in region 3 km N Mercatello sul Metauro (PU)

A magnitude Md 2.4 earthquake occured in region: 3 km N Mercatello sul Metauro (PU), on

  • 12-02-1985 15:32:35 (UTC)
  • 12-02-1985 16:32:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.68, 12.34 at 12 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
Mercatello sul Metauro PU 3 1378 1378
Borgo Pace PU 4 606 1984
Sestino AR 5 1355 3339
Belforte all'Isauro PU 6 769 4108
Sant'Angelo in Vado PU 6 4133 8241
Piandimeleto PU 8 2167 10408
Lunano PU 10 1527 11935
Frontino PU 10 293 12228
Carpegna PU 12 1674 13902
Badia Tedalda AR 13 1087 14989
Peglio PU 13 696 15685
Pietrarubbia PU 15 660 16345
Apecchio PU 15 1882 18227
Urbania PU 15 7099 25326
Macerata Feltria PU 17 1990 27316
Pennabilli RN 17 2869 30185
Piobbico PU 17 2029 32214
Sassocorvaro PU 17 3504 35718
Montecopiolo PU 19 1128 36846
San Giustino PG 19 11297 48143
Casteldelci RN 19 407 48550
Monte Cerignone PU 19 669 49219
Sansepolcro AR 20 15884 65103

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NE of Arezzo (99543 inhabitants)
47 Km SW of Rimini (147750 inhabitants)
52 Km S of Cesena (96758 inhabitants)
53 Km W of Pesaro (94582 inhabitants)
58 Km W of Fano (60888 inhabitants)
63 Km N of Perugia (166134 inhabitants)
65 Km SE of Forlì (117913 inhabitants)
77 Km SE of Faenza (58541 inhabitants)
83 Km S of Ravenna (159116 inhabitants)
86 Km NW of Foligno (57155 inhabitants)
87 Km E of Firenze (382808 inhabitants)
90 Km E of Siena (53903 inhabitants)
90 Km SE of Imola (69797 inhabitants)
93 Km E of Scandicci (50609 inhabitants)
96 Km W of Ancona (100861 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 2.4
M 2.6
1985-02-12
15:32:35
43.68 12.34 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-12 15:32:35 ± 0.08
Latitude 43.68 ± 0.01
Longitude 12.34 ± 0.00
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1579

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) 841
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01174
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 1579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:40

M:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BD1.Z. 1985-02-12T15:32:59.00 10.0 undecidable manual PN 287 0.0117 -0.1 0.8
--.AS1.Z. 1985-02-12T15:32:58.00 10.0 undecidable manual SG 159 0.0058 -0.16 0.2
--.PO9.Z. 1985-02-12T15:32:57.50 10.0 undecidable manual PN 157 0.0106 0.1 0.8
--.AR1.Z. 1985-02-12T15:32:52.50 10.0 undecidable manual SG 111 0.0042 0.14 0.3
--.AS1.Z. 1985-02-12T15:32:48.50 10.0 undecidable manual PG 159 0.0058 0.03 1.7
--.CH1.Z. 1985-02-12T15:32:46.20 10.0 undecidable manual SG 259 0.0025 -0.09 0.7
--.AR1.Z. 1985-02-12T15:32:45.00 10.0 undecidable manual PG 111 0.0042 -0.11 1
--.CH1.Z. 1985-02-12T15:32:41.70 10.0 positive manual PG 259 0.0025 0.09 2.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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