Earthquake with magnitude of Md 2.0 on date 10-10-1989 and time 14:55:49 (Italy) in region 1 km E Giano dell'Umbria (PG)

A magnitude Md 2.0 earthquake occured in region: 1 km E Giano dell'Umbria (PG), on

  • 10-10-1989 13:55:49 (UTC)
  • 10-10-1989 14:55:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8390, 12.5890 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
Giano dell'Umbria PG 1 3846 3846
Castel Ritaldi PG 7 3278 7124
Montefalco PG 8 5679 12803
Gualdo Cattaneo PG 8 6155 18958
Massa Martana PG 9 3770 22728
Bevagna PG 11 5081 27809
Trevi PG 14 8469 36278
Collazzone PG 14 3473 39751
Campello sul Clitunno PG 16 2442 42193
Todi PG 16 16851 59044
Foligno PG 16 57155 116199
Acquasparta TR 17 4778 120977
Spoleto PG 17 38218 159195
Cannara PG 18 4305 163500
Fratta Todina PG 18 1839 165339
Spello PG 19 8645 173984
Monte Castello di Vibio PG 19 1567 175551

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Foligno (57155 inhabitants)
31 Km N of Terni (111501 inhabitants)
34 Km SE of Perugia (166134 inhabitants)
61 Km NE of Viterbo (67173 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
90 Km SE of Arezzo (99543 inhabitants)
93 Km W of Teramo (54892 inhabitants)
94 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km N of Tivoli (56533 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 2.0
ML-VAX 1.7
1989-10-10
13:55:49
42.839 12.589 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 101919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-10-10 13:55:49 ± 0.236
Latitude 42.8390 ± 0.0089
Longitude 12.5890 ± 0.0311
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 101919

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) 2725.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00631
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 101919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:35:01

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 101919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1989-10-10T13:56:14.00 10.0 undecidable manual SG 21 0.6993 -0.23 0.6
--.CM8.Z. 1989-10-10T13:56:08.88 10.0 undecidable manual SG 48 0.5328 0.09 0.8
--.MNS.Z. 1989-10-10T13:56:06.81 10.0 undecidable manual SG 171 0.4551 0.59 0.3
--.ARV.Z. 1989-10-10T13:56:04.50 10.0 undecidable manual PG 21 0.6993 0.7 0.4
--.CM8.Z. 1989-10-10T13:56:00.50 10.0 undecidable manual PG 48 0.5328 -0.17 1.9
--.MNS.Z. 1989-10-10T13:55:58.79 10.0 undecidable manual PG 171 0.4551 -0.39 1.3
--.ASS.Z. 1989-10-10T13:55:58.38 10.0 undecidable manual SG 11 0.222 -0.43 0.5
--.ASS.Z. 1989-10-10T13:55:54.84 10.0 undecidable manual PG 11 0.222 -0.06 2.2
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