Earthquake with magnitude of Md 2.0 on date 07-07-1987 and time 01:48:33 (UTC) in region 4 km E Casteldelci (RN)

A magnitude Md 2.0 earthquake occured in region: 4 km E Casteldelci (RN), on

  • 07-07-1987 01:48:33 (UTC)
  • 07-07-1987 03:48:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.79, 12.21 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
Casteldelci RN 4 407 407
Pennabilli RN 6 2869 3276
Sant'Agata Feltria RN 8 2151 5427
Badia Tedalda AR 9 1087 6514
Carpegna PU 11 1674 8188
Sestino AR 12 1355 9543
Maiolo RN 13 848 10391
Montecopiolo PU 14 1128 11519
Novafeltria RN 14 7164 18683
Pietrarubbia PU 14 660 19343
Frontino PU 14 293 19636
Talamello RN 14 1104 20740
Sarsina FC 15 3446 24186
Belforte all'Isauro PU 16 769 24955
Verghereto FC 16 1907 26862
Borgo Pace PU 16 606 27468
San Leo RN 16 2972 30440
Monte Cerignone PU 18 669 31109
Piandimeleto PU 18 2167 33276
Mercato Saraceno FC 19 6886 40162
Pieve Santo Stefano AR 19 3183 43345
Mercatello sul Metauro PU 19 1378 44723
Macerata Feltria PU 19 1990 46713
Bagno di Romagna FC 20 6026 52739

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of Cesena (96758 inhabitants)
42 Km SW of Rimini (147750 inhabitants)
44 Km NE of Arezzo (99543 inhabitants)
50 Km S of Forlì (117913 inhabitants)
58 Km W of Pesaro (94582 inhabitants)
61 Km SE of Faenza (58541 inhabitants)
66 Km W of Fano (60888 inhabitants)
70 Km S of Ravenna (159116 inhabitants)
74 Km SE of Imola (69797 inhabitants)
76 Km E of Firenze (382808 inhabitants)
77 Km N of Perugia (166134 inhabitants)
82 Km E of Scandicci (50609 inhabitants)
88 Km NE of Siena (53903 inhabitants)
90 Km E of Prato (191150 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 1987-07-07
01:48:33
43.79 12.21 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 51139
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-07-07 01:48:33 ± 0.97
Latitude 43.79 ± 0.02
Longitude 12.21 ± 0.06
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 51139

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) 5212
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 290
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00324
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 51139
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:49:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PGD.Z. 1987-07-07T01:48:48.11 10.0 undecidable manual SG 283 0.0032 0.81 0.3
--.CRE.Z. 1987-07-07T01:48:43.24 10.0 undecidable manual SG 227 0.0022 0.1 0.9
--.SS9.Z. 1987-07-07T01:48:43.59 10.0 undecidable manual SG 297 0.0025 -0.93 0.2
--.SS9.Z. 1987-07-07T01:48:40.40 10.0 undecidable manual PG 297 0.0025 0.62 1.2
--.PGD.Z. 1987-07-07T01:48:40.84 10.0 undecidable manual PG 283 0.0032 -0.54 1.3
--.CRE.Z. 1987-07-07T01:48:38.90 10.0 undecidable manual PG 227 0.0022 -0.08 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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