Earthquake with magnitude of Md 2.0 on date 12-05-1987 and time 13:06:29 (Italy) in region 5 km S Cingoli (MC)

A magnitude Md 2.0 earthquake occured in region: 5 km S Cingoli (MC), on

  • 12-05-1987 11:06:29 (UTC)
  • 12-05-1987 13:06:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.33, 13.22 at 7 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
Cingoli MC 5 10352 10352
Treia MC 8 9403 19755
Apiro MC 10 2280 22035
Appignano MC 11 4213 26248
Staffolo AN 12 2253 28501
San Severino Marche MC 12 12726 41227
Poggio San Vicino MC 12 246 41473
Pollenza MC 13 6618 48091
San Paolo di Jesi AN 14 933 49024
Tolentino MC 15 20069 69093
Cupramontana AN 15 4756 73849
Gagliole MC 16 620 74469
Filottrano AN 16 9499 83968
Serrapetrona MC 17 966 84934
Monte Roberto AN 18 3061 87995
Maiolati Spontini AN 18 6248 94243
Montecassiano MC 18 7125 101368
Castelbellino AN 18 4947 106315
Matelica MC 19 9981 116296
Castelraimondo MC 19 4587 120883
Belforte del Chienti MC 19 1886 122769
Cerreto d'Esi AN 19 3817 126586
Macerata MC 20 42473 169059
Santa Maria Nuova AN 20 4179 173238
Urbisaglia MC 20 2628 175866

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Ancona (100861 inhabitants)
59 Km S of Fano (60888 inhabitants)
59 Km NE of Foligno (57155 inhabitants)
69 Km SE of Pesaro (94582 inhabitants)
72 Km E of Perugia (166134 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
96 Km SE of Rimini (147750 inhabitants)
98 Km NE of Terni (111501 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 2.0 1987-05-12
11:06:29
43.33 13.22 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 46889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-05-12 11:06:29 ± 0.269
Latitude 43.33 ± 0.01
Longitude 13.22 ± 0.02
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 46889

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) 2323.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.0013
Epicentral distance of station farthest from the epicenter (degree) 0.00437
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

Field Value
Value 2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 46889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:46:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ASS.Z. 1987-05-12T11:06:49.00 10.0 undecidable manual SG 236 0.0044 0.75 0.2
--.AM8.Z. 1987-05-12T11:06:44.77 10.0 undecidable manual SG 52 0.0032 1.05 0.1
--.ARV.Z. 1987-05-12T11:06:41.00 10.0 undecidable manual SG 309 0.0023 0.81 0.2
--.ASS.Z. 1987-05-12T11:06:40.00 10.0 undecidable manual PG 236 0.0044 -0.51 1
--.AM8.Z. 1987-05-12T11:06:37.56 10.0 undecidable manual PG 52 0.0032 -0.34 1.6
--.CM8.Z. 1987-05-12T11:06:36.48 10.0 undecidable manual SG 201 0.0013 0.32 1
--.ARV.Z. 1987-05-12T11:06:35.50 10.0 undecidable manual PG 309 0.0023 -0.36 1.7
--.CM8.Z. 1987-05-12T11:06:33.51 10.0 undecidable manual PG 201 0.0013 -0.02 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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