Earthquake with magnitude of Md 2.0 on date 04-02-1987 and time 12:09:10 (UTC) in region 5 km S Cingoli (MC)

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

  • 04-02-1987 12:09:10 (UTC)
  • 04-02-1987 13:09:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3290, 13.2160 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
Cingoli MC 5 10352 10352
Treia MC 8 9403 19755
Apiro MC 10 2280 22035
Appignano MC 11 4213 26248
San Severino Marche MC 11 12726 38974
Staffolo AN 12 2253 41227
Poggio San Vicino MC 12 246 41473
Pollenza MC 13 6618 48091
Tolentino MC 14 20069 68160
San Paolo di Jesi AN 15 933 69093
Cupramontana AN 15 4756 73849
Gagliole MC 15 620 74469
Filottrano AN 16 9499 83968
Serrapetrona MC 17 966 84934
Monte Roberto AN 18 3061 87995
Maiolati Spontini AN 18 6248 94243
Belforte del Chienti MC 18 1886 96129
Montecassiano MC 18 7125 103254
Castelraimondo MC 18 4587 107841
Matelica MC 18 9981 117822
Cerreto d'Esi AN 19 3817 121639
Castelbellino AN 19 4947 126586
Macerata MC 20 42473 169059
Urbisaglia MC 20 2628 171687

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Ancona (100861 inhabitants)
59 Km NE of Foligno (57155 inhabitants)
59 Km S of Fano (60888 inhabitants)
69 Km SE of Pesaro (94582 inhabitants)
71 Km E of Perugia (166134 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
97 Km SE of Rimini (147750 inhabitants)
97 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
Bulletin
Rev1000
Md 2.0 1987-02-04
12:09:10
43.329 13.216 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 40529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-02-04 12:09:10 ± 0.261
Latitude 43.3290 ± 0.0213
Longitude 13.2160 ± 0.0203
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 40529

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) 2882.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00437
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 40529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:40:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1987-02-04T12:09:28.50 10.0 undecidable manual SG 237 0.4884 0.75 0.2
--.AM8.Z. 1987-02-04T12:09:23.97 10.0 undecidable manual SG 51 0.3552 0.53 0.5
--.ARV.Z. 1987-02-04T12:09:21.00 10.0 undecidable manual SG 310 0.2553 0.59 0.4
--.ASS.Z. 1987-02-04T12:09:20.00 10.0 undecidable manual PG 237 0.4884 -0.3 1.6
--.AM8.Z. 1987-02-04T12:09:17.61 10.0 undecidable manual PG 51 0.3552 -0.2 2.1
--.ARV.Z. 1987-02-04T12:09:15.50 10.0 undecidable manual PG 310 0.2553 -0.56 1.1
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