Earthquake with magnitude of Md 2.2 on date 22-12-1989 and time 12:04:52 (Italy) in region 2 km E Genga (AN)

A magnitude Md 2.2 earthquake occured in region: 2 km E Genga (AN), on

  • 22-12-1989 11:04:52 (UTC)
  • 22-12-1989 12:04:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4310, 12.9550 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
Genga AN 2 1797 1797
Serra San Quirico AN 5 2850 4647
Sassoferrato AN 8 7285 11932
Arcevia AN 8 4612 16544
Mergo AN 8 1037 17581
Rosora AN 11 1985 19566
Fabriano AN 11 31480 51046
Poggio San Vicino MC 12 246 51292
Cerreto d'Esi AN 12 3817 55109
Castelplanio AN 13 3540 58649
Cupramontana AN 13 4756 63405
Poggio San Marcello AN 13 693 64098
Montecarotto AN 14 1987 66085
Serra de' Conti AN 14 3746 69831
Maiolati Spontini AN 14 6248 76079
Apiro MC 15 2280 78359
Monte Roberto AN 16 3061 81420
Serra Sant'Abbondio PU 16 1027 82447
Castelbellino AN 17 4947 87394
Pergola PU 18 6333 93727
Barbara AN 18 1368 95095
San Paolo di Jesi AN 18 933 96028
Staffolo AN 19 2253 98281
San Lorenzo in Campo PU 19 3414 101695
Frontone PU 20 1300 102995
Castelleone di Suasa AN 20 1676 104671
Matelica MC 20 9981 114652
Esanatoglia MC 20 2034 116686

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km S of Fano (60888 inhabitants)
50 Km W of Ancona (100861 inhabitants)
54 Km S of Pesaro (94582 inhabitants)
57 Km NE of Foligno (57155 inhabitants)
58 Km NE of Perugia (166134 inhabitants)
77 Km SE of Rimini (147750 inhabitants)
87 Km E of Arezzo (99543 inhabitants)
97 Km SE of Cesena (96758 inhabitants)
100 Km N 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 1989-12-22
11:04:52
43.431 12.955 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 106499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-12-22 11:04:52 ± 0.126
Latitude 43.4310 ± 0.0079
Longitude 12.9550 ± 0.0165
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 106499

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) 1593.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00429
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 106499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:39:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AM8.Z. 1989-12-22T11:05:10.15 10.0 undecidable manual SG 75 0.4773 0.5 0.1
--.CM8.Z. 1989-12-22T11:05:03.16 10.0 undecidable manual SG 149 0.2664 0.25 0.7
--.AM8.Z. 1989-12-22T11:05:02.16 10.0 undecidable manual PG 75 0.4773 -0.12 1.2
--.ASS.Z. 1989-12-22T11:05:01.50 10.0 undecidable manual PG 210 0.4218 0.21 1
--.CM8.Z. 1989-12-22T11:04:57.92 10.0 undecidable manual PG 149 0.2664 -0.47 0.4
--.ARV.Z. 1989-12-22T11:04:56.31 10.0 undecidable manual SG 353 0.0666 -0.27 0.4
--.ARV.Z. 1989-12-22T11:04:54.80 10.0 positive manual PG 353 0.0666 0.06 3.3
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