Earthquake with magnitude of Md 2.1 on date 26-07-1985 and time 17:01:15 (UTC) in region 7 km SW Cingoli (MC)

A magnitude Md 2.1 earthquake occured in region: 7 km SW Cingoli (MC), on

  • 26-07-1985 17:01:15 (UTC)
  • 26-07-1985 19:01:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3210, 13.1650 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 7 10352 10352
Apiro MC 9 2280 12632
Poggio San Vicino MC 9 246 12878
San Severino Marche MC 10 12726 25604
Gagliole MC 12 620 26224
Treia MC 12 9403 35627
Staffolo AN 13 2253 37880
Matelica MC 14 9981 47861
Cerreto d'Esi AN 15 3817 51678
Cupramontana AN 15 4756 56434
San Paolo di Jesi AN 15 933 57367
Castelraimondo MC 15 4587 61954
Appignano MC 16 4213 66167
Tolentino MC 16 20069 86236
Pollenza MC 16 6618 92854
Serrapetrona MC 16 966 93820
Maiolati Spontini AN 18 6248 100068
Monte Roberto AN 18 3061 103129
Belforte del Chienti MC 18 1886 105015
Serra San Quirico AN 19 2850 107865
Castelbellino AN 19 4947 112812
Esanatoglia MC 19 2034 114846
Rosora AN 20 1985 116831
Mergo AN 20 1037 117868
Filottrano AN 20 9499 127367

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SW of Ancona (100861 inhabitants)
55 Km NE of Foligno (57155 inhabitants)
59 Km S of Fano (60888 inhabitants)
67 Km E of Perugia (166134 inhabitants)
69 Km SE of Pesaro (94582 inhabitants)
86 Km NW of Teramo (54892 inhabitants)
94 Km NE of Terni (111501 inhabitants)
95 Km SE of Rimini (147750 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 1985-07-26
17:01:15
43.321 13.165 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 10919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-26 17:01:15 ± 0.217
Latitude 43.3210 ± 0.0129
Longitude 13.1650 ± 0.0285
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 10919

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) 2711.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00348
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 10919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:14:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AM1.Z. 1985-07-26T17:01:30.20 10.0 undecidable manual SG 53 0.3885 0.52 0.3
--.AM1.Z. 1985-07-26T17:01:23.00 10.0 undecidable manual PG 53 0.3885 -0.55 1
--.CM2.Z. 1985-07-26T17:01:21.70 10.0 undecidable manual SG 187 0.1221 0.47 0.5
--.AR1.Z. 1985-07-26T17:01:20.80 10.0 undecidable manual PG? 317 0.2331 0.07 0.6
--.CM2.Z. 1985-07-26T17:01:18.50 10.0 negative manual PG 187 0.1221 -0.17 2.7
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