Earthquake with magnitude of Md 2.1 on date 10-07-1991 and time 17:17:08 (Italy) in region 3 km S Cingoli (MC)

A magnitude Md 2.1 earthquake occured in region: 3 km S Cingoli (MC), on

  • 10-07-1991 15:17:08 (UTC)
  • 10-07-1991 17:17:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3510, 13.2080 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 3 10352 10352
Apiro MC 8 2280 12632
Staffolo AN 9 2253 14885
Treia MC 10 9403 24288
Poggio San Vicino MC 11 246 24534
Appignano MC 11 4213 28747
San Paolo di Jesi AN 12 933 29680
Cupramontana AN 13 4756 34436
San Severino Marche MC 14 12726 47162
Pollenza MC 15 6618 53780
Filottrano AN 15 9499 63279
Monte Roberto AN 16 3061 66340
Maiolati Spontini AN 16 6248 72588
Castelbellino AN 16 4947 77535
Gagliole MC 17 620 78155
Tolentino MC 17 20069 98224
Cerreto d'Esi AN 18 3817 102041
Santa Maria Nuova AN 18 4179 106220
Rosora AN 19 1985 108205
Montecassiano MC 19 7125 115330
Serra San Quirico AN 19 2850 118180
Castelplanio AN 19 3540 121720
Matelica MC 19 9981 131701
Mergo AN 19 1037 132738
Serrapetrona MC 19 966 133704
Jesi AN 19 40399 174103
Castelraimondo MC 20 4587 178690

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Ancona (100861 inhabitants)
57 Km S of Fano (60888 inhabitants)
60 Km NE of Foligno (57155 inhabitants)
67 Km SE of Pesaro (94582 inhabitants)
72 Km E of Perugia (166134 inhabitants)
87 Km NW of Teramo (54892 inhabitants)
94 Km SE of Rimini (147750 inhabitants)
99 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 2.1 1991-07-10
15:17:08
43.351 13.208 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 145039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-07-10 15:17:08 ± 0.301
Latitude 43.3510 ± 0.0206
Longitude 13.2080 ± 0.0298
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 145039

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) 3318.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00445
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 145039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:15:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1991-07-10T15:17:27.00 10.0 undecidable manual SG 234 0.4995 0.97 0.3
--.AOI.Z. 1991-07-10T15:17:22.13 10.0 undecidable manual SG 54 0.3441 0.93 0.5
--.RMF.Z. 1991-07-10T15:17:22.15 10.0 undecidable manual SG 179 0.3996 -0.66 0.5
--.ARV.Z. 1991-07-10T15:17:19.00 10.0 undecidable manual SG 307 0.2331 1.17 0.2
--.ASS.Z. 1991-07-10T15:17:18.50 10.0 undecidable manual PG 234 0.4995 0.03 1.9
--.RMF.Z. 1991-07-10T15:17:16.77 10.0 undecidable manual PG 179 0.3996 0.15 2.1
--.AOI.Z. 1991-07-10T15:17:15.46 10.0 undecidable manual PG 54 0.3441 -0.23 1.9
--.ARV.Z. 1991-07-10T15:17:12.50 10.0 undecidable manual PG 307 0.2331 -1.24 0.5
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