Earthquake with magnitude of Md 2.0 on date 04-01-1989 and time 12:49:06 (Italy) in region 5 km N Acquasanta Terme (AP)

A magnitude Md 2.0 earthquake occured in region: 5 km N Acquasanta Terme (AP), on

  • 04-01-1989 11:49:06 (UTC)
  • 04-01-1989 12:49:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.82, 13.42 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
Acquasanta Terme AP 5 2916 2916
Roccafluvione AP 7 2010 4926
Montegallo AP 7 523 5449
Venarotta AP 10 2066 7515
Palmiano AP 10 196 7711
Arquata del Tronto AP 11 1178 8889
Valle Castellana TE 11 977 9866
Montemonaco AP 12 604 10470
Ascoli Piceno AP 14 49407 59877
Montefortino FM 15 1178 61055
Comunanza AP 16 3166 64221
Rocca Santa Maria TE 17 537 64758
Force AP 17 1354 66112
Folignano AP 18 9241 75353
Amandola FM 19 3629 78982
Accumoli RI 19 667 79649
Montefalcone Appennino FM 19 424 80073
Rotella AP 19 906 80979

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Teramo (54892 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
60 Km E of Foligno (57155 inhabitants)
69 Km E of Terni (111501 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
76 Km NW of Pescara (121014 inhabitants)
81 Km NW of Chieti (51815 inhabitants)
89 Km S of Ancona (100861 inhabitants)
90 Km E of Perugia (166134 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 1989-01-04
11:49:06
42.82 13.42 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 84659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-01-04 11:49:06 ± 0.314
Latitude 42.82 ± 0.03
Longitude 13.42 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 84659

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) 4281.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00664
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 84659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:19:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AM8.Z. 1989-01-04T11:49:35.80 10.0 undecidable manual SG! 10 0.0066 3.19 0
--.ASS.Z. 1989-01-04T11:49:27.50 10.0 undecidable manual SG 294 0.0054 -0.82 0.2
--.CM8.Z. 1989-01-04T11:49:22.40 10.0 undecidable manual SG 332 0.0038 -0.03 1
--.AM8.Z. 1989-01-04T11:49:21.80 10.0 undecidable manual PG? 10 0.0066 0.08 0.5
--.ASS.Z. 1989-01-04T11:49:19.80 10.0 undecidable manual PG 294 0.0054 0.56 0.8
--.SS8.Z. 1989-01-04T11:49:17.30 10.0 undecidable manual SG 324 0.002 1.08 0.1
--.CM8.Z. 1989-01-04T11:49:14.90 10.0 undecidable manual PG 332 0.0038 -0.94 0.4
--.SS8.Z. 1989-01-04T11:49:12.20 10.0 undecidable manual PG 324 0.002 -0.06 1.7
--.ALP.Z. 1989-01-04T11:49:12.70 10.0 undecidable manual SG 108 0.0011 0.15 1
--.ALP.Z. 1989-01-04T11:49:10.10 10.0 undecidable manual PG 108 0.0011 -0.04 3.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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