Earthquake with magnitude of Md 2.0 on date 02-03-1989 and time 12:57:12 (Italy) in region 4 km SW Sigillo (PG)

A magnitude Md 2.0 earthquake occured in region: 4 km SW Sigillo (PG), on

  • 02-03-1989 11:57:12 (UTC)
  • 02-03-1989 12:57:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.31, 12.7 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
Sigillo PG 4 2404 2404
Fossato di Vico PG 5 2840 5244
Costacciaro PG 6 1216 6460
Gualdo Tadino PG 11 15208 21668
Scheggia e Pascelupo PG 11 1393 23061
Gubbio PG 11 32216 55277
Fabriano AN 17 31480 86757
Valfabbrica PG 18 3389 90146
Sassoferrato AN 19 7285 97431
Cantiano PU 20 2245 99676

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
39 Km N of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
69 Km S of Pesaro (94582 inhabitants)
74 Km W of Ancona (100861 inhabitants)
83 Km N of Terni (111501 inhabitants)
85 Km S of Rimini (147750 inhabitants)
100 Km SE of Cesena (96758 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
Rev 1000 Md 2.0 1989-03-02
11:57:12
43.31 12.71 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 87809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-03-02 11:57:12 ± 0.643
Latitude 43.31 ± 0.02
Longitude 12.71 ± 0.05
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 87809

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) 4496.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 272
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00737
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

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 87809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:22:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ALP.Z. 1989-03-02T11:57:41.38 10.0 undecidable manual SG 129 0.0074 0.96 0
--.AM8.Z. 1989-03-02T11:57:36.63 10.0 undecidable manual SG 69 0.0062 0.3 0.3
--.ALP.Z. 1989-03-02T11:57:28.26 10.0 undecidable manual PG 129 0.0074 -0.21 0.9
--.AM8.Z. 1989-03-02T11:57:26.80 10.0 undecidable manual PG 69 0.0062 -0.03 1.3
--.CM8.Z. 1989-03-02T11:57:24.45 10.0 undecidable manual SG 109 0.003 -0.48 0.2
--.ARV.Z. 1989-03-02T11:57:21.91 10.0 undecidable manual SG 42 0.0023 -0.45 0.2
--.CM8.Z. 1989-03-02T11:57:19.40 10.0 negative manual PG 109 0.003 -0.13 2.7
--.ARV.Z. 1989-03-02T11:57:18.22 10.0 positive manual PG 42 0.0023 0.18 2.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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