Earthquake with magnitude of Md 2.0 on date 05-07-1987 and time 14:19:56 (UTC) in region 3 km S Poggio Torriana (RN)

A magnitude Md 2.0 earthquake occured in region: 3 km S Poggio Torriana (RN), on

  • 05-07-1987 14:19:56 (UTC)
  • 05-07-1987 16:19:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9570, 12.3890 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
Poggio Torriana RN 3 5135 5135
Verucchio RN 4 10078 15213
San Leo RN 8 2972 18185
Borghi FC 9 2843 21028
Sogliano al Rubicone FC 9 3195 24223
Talamello RN 10 1104 25327
Novafeltria RN 10 7164 32491
Roncofreddo FC 11 3386 35877
Maiolo RN 11 848 36725
Sassofeltrio PU 12 1388 38113
Monte Grimano Terme PU 12 1136 39249
Mercatino Conca PU 13 1086 40335
Santarcangelo di Romagna RN 13 22089 62424
Monte Cerignone PU 13 669 63093
Montecopiolo PU 13 1128 64221
Montescudo - Monte Colombo RN 13 6779 71000
Longiano FC 14 7126 78126
Savignano sul Rubicone FC 15 17766 95892
Mercato Saraceno FC 15 6886 102778
Montiano FC 16 1716 104494
Gemmano RN 17 1158 105652
San Mauro Pascoli FC 17 11690 117342
Pietrarubbia PU 17 660 118002
Gatteo FC 17 9068 127070
Coriano RN 17 10502 137572
Macerata Feltria PU 18 1990 139562
Sant'Agata Feltria RN 18 2151 141713
Pennabilli RN 18 2869 144582
Rimini RN 18 147750 292332
Gambettola FC 19 10660 302992
San Clemente RN 19 5577 308569
Montefiore Conca RN 19 2269 310838
Carpegna PU 20 1674 312512

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SW of Rimini (147750 inhabitants)
23 Km SE of Cesena (96758 inhabitants)
41 Km SE of Forlì (117913 inhabitants)
42 Km W of Pesaro (94582 inhabitants)
52 Km W of Fano (60888 inhabitants)
53 Km S of Ravenna (159116 inhabitants)
55 Km SE of Faenza (58541 inhabitants)
68 Km NE of Arezzo (99543 inhabitants)
70 Km SE of Imola (69797 inhabitants)
93 Km E of Firenze (382808 inhabitants)
94 Km N of Perugia (166134 inhabitants)
98 Km W of Ancona (100861 inhabitants)
99 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 2.0 1987-07-05
14:19:56
43.957 12.389 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 50699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-07-05 14:19:56 ± 0.745
Latitude 43.9570 ± 0.0554
Longitude 12.3890 ± 0.0317
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 50699

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) 6657.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
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) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.00818
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 50699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:49:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1987-07-05T14:20:20.25 10.0 undecidable manual SG 138 0.5994 0.88 0.1
--.ASS.Z. 1987-07-05T14:20:15.50 10.0 undecidable manual PG 167 0.9102 -0.07 1.6
--.PGD.Z. 1987-07-05T14:20:15.34 10.0 undecidable manual SG 260 0.4884 -0.15 0.8
--.SS9.Z. 1987-07-05T14:20:11.48 10.0 undecidable manual SG 264 0.3885 -0.54 0.4
--.ARV.Z. 1987-07-05T14:20:09.32 10.0 undecidable manual PG 138 0.5994 -0.58 0.9
--.PGD.Z. 1987-07-05T14:20:08.27 10.0 undecidable manual PG 260 0.4884 0.61 0.9
--.SS9.Z. 1987-07-05T14:20:05.61 10.0 undecidable manual PG 264 0.3885 -0.05 2.1
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