Earthquake with magnitude of Md 2.3 on date 29-05-1987 and time 17:48:30 (Italy) in region 5 km SW Cingoli (MC)

A magnitude Md 2.3 earthquake occured in region: 5 km SW Cingoli (MC), on

  • 29-05-1987 15:48:30 (UTC)
  • 29-05-1987 17:48:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3430, 13.1780 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
Apiro MC 7 2280 12632
Poggio San Vicino MC 9 246 12878
Staffolo AN 10 2253 15131
Treia MC 12 9403 24534
Cupramontana AN 13 4756 29290
San Paolo di Jesi AN 13 933 30223
San Severino Marche MC 13 12726 42949
Appignano MC 14 4213 47162
Gagliole MC 14 620 47782
Cerreto d'Esi AN 16 3817 51599
Maiolati Spontini AN 16 6248 57847
Monte Roberto AN 16 3061 60908
Pollenza MC 16 6618 67526
Castelbellino AN 16 4947 72473
Matelica MC 17 9981 82454
Tolentino MC 17 20069 102523
Filottrano AN 18 9499 112022
Castelraimondo MC 18 4587 116609
Serra San Quirico AN 18 2850 119459
Rosora AN 18 1985 121444
Mergo AN 18 1037 122481
Serrapetrona MC 18 966 123447
Castelplanio AN 19 3540 126987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SW of Ancona (100861 inhabitants)
57 Km S of Fano (60888 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
67 Km SE of Pesaro (94582 inhabitants)
69 Km E of Perugia (166134 inhabitants)
87 Km NW of Teramo (54892 inhabitants)
94 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 2.3 1987-05-29
15:48:30
43.343 13.178 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 48379
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-05-29 15:48:30 ± 0.266
Latitude 43.3430 ± 0.0169
Longitude 13.1780 ± 0.0239
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 48379

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) 2700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00567
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 48379
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:47:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ALP.Z. 1987-05-29T15:48:54.27 10.0 undecidable manual SG 153 0.6327 1.79 0
--.ASS.Z. 1987-05-29T15:48:48.50 10.0 undecidable manual SG 233 0.4662 1 0.4
--.AM8.Z. 1987-05-29T15:48:45.37 10.0 undecidable manual SG 55 0.3663 1.26 0.2
--.ALP.Z. 1987-05-29T15:48:43.19 10.0 undecidable manual PG 153 0.6327 0.07 1.4
--.ARV.Z. 1987-05-29T15:48:40.50 10.0 undecidable manual SG 312 0.222 0.85 0.6
--.ASS.Z. 1987-05-29T15:48:39.50 10.0 undecidable manual PG 233 0.4662 -0.74 1
--.CM8.Z. 1987-05-29T15:48:37.25 10.0 undecidable manual SG 189 0.1443 0.17 0.8
--.AM8.Z. 1987-05-29T15:48:37.78 10.0 undecidable manual PG 55 0.3663 -0.51 1.5
--.ARV.Z. 1987-05-29T15:48:35.50 10.0 undecidable manual PG 312 0.222 -0.21 1.9
--.MC8.Z. 1987-05-29T15:48:34.55 10.0 undecidable manual PG 105 0.1776 -0.27 1.9
--.CM8.Z. 1987-05-29T15:48:33.48 10.0 undecidable manual PG 189 0.1443 -0.75 1.2
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