Earthquake with magnitude of Md 2.2 on date 08-07-1987 and time 11:37:53 (Italy) in region 5 km S Cingoli (MC)

A magnitude Md 2.2 earthquake occured in region: 5 km S Cingoli (MC), on

  • 08-07-1987 09:37:53 (UTC)
  • 08-07-1987 11:37:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3350, 13.2100 at 8 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 9 9403 19755
Apiro MC 9 2280 22035
Staffolo AN 11 2253 24288
Poggio San Vicino MC 12 246 24534
Appignano MC 12 4213 28747
San Severino Marche MC 12 12726 41473
Pollenza MC 13 6618 48091
San Paolo di Jesi AN 14 933 49024
Cupramontana AN 15 4756 53780
Tolentino MC 15 20069 73849
Gagliole MC 16 620 74469
Filottrano AN 16 9499 83968
Monte Roberto AN 17 3061 87029
Maiolati Spontini AN 18 6248 93277
Serrapetrona MC 18 966 94243
Castelbellino AN 18 4947 99190
Cerreto d'Esi AN 18 3817 103007
Matelica MC 18 9981 112988
Castelraimondo MC 19 4587 117575
Montecassiano MC 19 7125 124700
Belforte del Chienti MC 19 1886 126586
Santa Maria Nuova AN 20 4179 130765

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)
68 Km SE of Pesaro (94582 inhabitants)
71 Km E of Perugia (166134 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
96 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 2.2 1987-07-08
09:37:53
43.335 13.21 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 51349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-07-08 09:37:53 ± 0.234
Latitude 43.3350 ± 0.0136
Longitude 13.2100 ± 0.0245
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 51349

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) 2489.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00550
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 51349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:49:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ALP.Z. 1987-07-08T09:38:15.81 10.0 undecidable manual SG 154 0.6105 0.73 0.2
--.ASS.Z. 1987-07-08T09:38:11.60 10.0 undecidable manual SG 236 0.4884 0.49 0.4
--.AM8.Z. 1987-07-08T09:38:07.96 10.0 undecidable manual SG 52 0.3552 1.13 0.1
--.ALP.Z. 1987-07-08T09:38:05.51 10.0 undecidable manual PG 154 0.6105 -0.26 1.1
--.ARV.Z. 1987-07-08T09:38:04.11 10.0 undecidable manual SG 310 0.2553 0.94 0.1
--.ASS.Z. 1987-07-08T09:38:03.00 10.0 undecidable manual PG 236 0.4884 -0.48 0.9
--.AM8.Z. 1987-07-08T09:38:00.65 10.0 undecidable manual PG 52 0.3552 -0.36 2.5
--.CM8.Z. 1987-07-08T09:38:00.25 10.0 undecidable manual SG 198 0.1443 0.91 0.2
--.ARV.Z. 1987-07-08T09:37:58.75 10.0 undecidable manual PG 310 0.2553 -0.15 1.6
--.CM8.Z. 1987-07-08T09:37:56.44 10.0 undecidable manual PG 198 0.1443 -0.25 2.9
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