Earthquake with magnitude of Md 2.0 on date 30-05-1987 and time 06:10:23 (Italy) in region 2 km W Castelraimondo (MC)

A magnitude Md 2.0 earthquake occured in region: 2 km W Castelraimondo (MC), on

  • 30-05-1987 04:10:23 (UTC)
  • 30-05-1987 06:10:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.22, 13.04 at 10 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
Castelraimondo MC 2 4587 4587
Gagliole MC 4 620 5207
Matelica MC 5 9981 15188
Pioraco MC 6 1134 16322
Esanatoglia MC 8 2034 18356
Fiuminata MC 9 1402 19758
Camerino MC 9 6974 26732
Sefro MC 10 422 27154
San Severino Marche MC 12 12726 39880
Cerreto d'Esi AN 12 3817 43697
Serrapetrona MC 13 966 44663
Muccia MC 15 915 45578
Fabriano AN 17 31480 77058
Serravalle di Chienti MC 17 1070 78128
Belforte del Chienti MC 18 1886 80014
Pievebovigliana MC 18 866 80880
Caldarola MC 18 1823 82703
Poggio San Vicino MC 18 246 82949
Pieve Torina MC 19 1458 84407

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
59 Km SW of Ancona (100861 inhabitants)
70 Km S of Fano (60888 inhabitants)
78 Km S of Pesaro (94582 inhabitants)
79 Km NE of Terni (111501 inhabitants)
83 Km NW of Teramo (54892 inhabitants)
97 Km E of Arezzo (99543 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 1987-05-30
04:10:23
43.22 13.04 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 48419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-05-30 04:10:23 ± 0.064
Latitude 43.22 ± 0.00
Longitude 13.04 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 48419

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) 714.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00283
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 2
Type of magnitude Md
Reference to an origin 48419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:47:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ASS.Z. 1987-05-30T04:10:35.50 10.0 undecidable manual SG 241 0.0028 0.24 0.1
--.ARV.Z. 1987-05-30T04:10:34.50 10.0 undecidable manual SG 346 0.0026 0.17 0.3
--.ASS.Z. 1987-05-30T04:10:30.00 10.0 undecidable manual PG 241 0.0028 -0.13 0.8
--.ARV.Z. 1987-05-30T04:10:29.50 10.0 undecidable manual PG 346 0.0026 -0.09 2.4
--.CM8.Z. 1987-05-30T04:10:27.88 10.0 undecidable manual SG 105 0.0007 0.07 0.6
--.CM8.Z. 1987-05-30T04:10:25.80 10.0 undecidable manual PG 105 0.0007 -0.03 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download