Earthquake with magnitude of Md 2.1 on date 05-01-1989 and time 09:37:11 (UTC) in region 7 km E Accumoli (RI)

A magnitude Md 2.1 earthquake occured in region: 7 km E Accumoli (RI), on

  • 05-01-1989 09:37:11 (UTC)
  • 05-01-1989 10:37:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7010, 13.3380 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
Accumoli RI 7 667 667
Arquata del Tronto AP 9 1178 1845
Amatrice RI 9 2657 4502
Acquasanta Terme AP 10 2916 7418
Valle Castellana TE 14 977 8395
Rocca Santa Maria TE 16 537 8932
Montegallo AP 16 523 9455
Campotosto AQ 16 542 9997
Cortino TE 16 656 10653
Cittareale RI 17 482 11135

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
59 Km E of Terni (111501 inhabitants)
59 Km E of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NE 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 2.1
M 2.1
1989-01-05
09:37:11
42.701 13.338 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 84739
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-01-05 09:37:11 ± 0.365
Latitude 42.7010 ± 0.0208
Longitude 13.3380 ± 0.0144
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 84739

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) 2597.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 241
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00777
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 84739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:19:32

M:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 84739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:54:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AM8.Z. 1989-01-05T09:37:42.00 10.0 undecidable manual SG 12 0.8658 0.81 0.1
--.ASS.Z. 1989-01-05T09:37:33.40 10.0 undecidable manual SG 306 0.6105 0.24 0.5
--.CM8.Z. 1989-01-05T09:37:29.30 10.0 undecidable manual SG 344 0.5106 -0.48 0.4
--.AM8.Z. 1989-01-05T09:37:28.30 10.0 undecidable manual PG 12 0.8658 -0.29 0.9
--.ASS.Z. 1989-01-05T09:37:24.00 10.0 undecidable manual PG 306 0.6105 0.05 1.2
--.SS8.Z. 1989-01-05T09:37:23.60 10.0 undecidable manual SG 345 0.3108 0.16 0.8
--.CM8.Z. 1989-01-05T09:37:21.30 10.0 undecidable manual PG 344 0.5106 -0.71 0.8
--.ALP.Z. 1989-01-05T09:37:19.00 10.0 undecidable manual SG 64 0.1776 -0.27 0.6
--.SS8.Z. 1989-01-05T09:37:18.60 10.0 undecidable manual PG 345 0.3108 0.26 2.1
--.ALP.Z. 1989-01-05T09:37:16.10 10.0 undecidable manual PG 64 0.1776 0.17 2.6
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