Earthquake with magnitude of Md 2.2 on date 06-07-1987 and time 01:12:05 (UTC) in region 1 km E Montecopiolo (PU)

A magnitude Md 2.2 earthquake occured in region: 1 km E Montecopiolo (PU), on

  • 06-07-1987 01:12:05 (UTC)
  • 06-07-1987 03:12:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8450, 12.3760 at 5 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
Montecopiolo PU 1 1128 1128
Monte Cerignone PU 3 669 1797
Pietrarubbia PU 4 660 2457
Maiolo RN 6 848 3305
San Leo RN 6 2972 6277
Macerata Feltria PU 7 1990 8267
Carpegna PU 8 1674 9941
Monte Grimano Terme PU 8 1136 11077
Frontino PU 9 293 11370
Novafeltria RN 9 7164 18534
Pennabilli RN 9 2869 21403
Talamello RN 10 1104 22507
Mercatino Conca PU 10 1086 23593
Sassocorvaro PU 12 3504 27097
Sassofeltrio PU 12 1388 28485
Sant'Agata Feltria RN 14 2151 30636
Piandimeleto PU 14 2167 32803
Lunano PU 14 1527 34330
Belforte all'Isauro PU 14 769 35099
Poggio Torriana RN 16 5135 40234
Montescudo - Monte Colombo RN 16 6779 47013
Auditore PU 16 1566 48579
Verucchio RN 16 10078 58657
Sestino AR 16 1355 60012
Tavoleto PU 18 867 60879
Gemmano RN 18 1158 62037
Casteldelci RN 19 407 62444
Sogliano al Rubicone FC 19 3195 65639
Mercato Saraceno FC 19 6886 72525
Peglio PU 19 696 73221
Montefiore Conca RN 20 2269 75490

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Rimini (147750 inhabitants)
34 Km SE of Cesena (96758 inhabitants)
44 Km W of Pesaro (94582 inhabitants)
50 Km SE of Forlì (117913 inhabitants)
52 Km W of Fano (60888 inhabitants)
58 Km NE of Arezzo (99543 inhabitants)
63 Km SE of Faenza (58541 inhabitants)
65 Km S of Ravenna (159116 inhabitants)
77 Km SE of Imola (69797 inhabitants)
82 Km N of Perugia (166134 inhabitants)
90 Km E of Firenze (382808 inhabitants)
95 Km W of Ancona (100861 inhabitants)
96 Km E of Scandicci (50609 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 2.2 1987-07-06
01:12:05
43.845 12.376 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 50859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-07-06 01:12:05 ± 0.577
Latitude 43.8450 ± 0.0573
Longitude 12.3760 ± 0.0405
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 50859

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) 7157.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.00720
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 50859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:49:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1987-07-06T01:12:26.00 10.0 undecidable manual SG 129 0.5328 0.18 0.8
--.PGD.Z. 1987-07-06T01:12:23.50 10.0 undecidable manual SG 273 0.4662 -0.25 0.6
--.ASS.Z. 1987-07-06T01:12:22.33 10.0 undecidable manual PG 165 0.7992 0 1.6
--.SS9.Z. 1987-07-06T01:12:20.18 10.0 undecidable manual SG 281 0.3774 -0.45 0.4
--.ARV.Z. 1987-07-06T01:12:17.11 10.0 undecidable manual PG 129 0.5328 -0.21 1.7
--.PGD.Z. 1987-07-06T01:12:17.70 10.0 undecidable manual PG 273 0.4662 1.58 0.3
--.SS9.Z. 1987-07-06T01:12:14.30 10.0 undecidable manual PG 281 0.3774 -0.02 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download