Earthquake with magnitude of Md 2.5 on date 14-06-1989 and time 00:16:50 (UTC) in region 4 km N Posta (RI)

A magnitude Md 2.5 earthquake occured in region: 4 km N Posta (RI), on

  • 14-06-1989 00:16:50 (UTC)
  • 14-06-1989 02:16:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5610, 13.0980 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
Posta RI 4 694 694
Borbona RI 6 617 1311
Cittareale RI 8 482 1793
Leonessa RI 11 2435 4228
Micigliano RI 13 127 4355
Montereale AQ 13 2581 6936
Cagnano Amiterno AQ 15 1369 8305
Monteleone di Spoleto PG 16 599 8904
Antrodoco RI 16 2588 11492
Capitignano AQ 17 665 12157
Amatrice RI 18 2657 14814
Borgo Velino RI 18 972 15786
Poggio Bustone RI 19 2055 17841
Cantalice RI 19 2755 20596
Cascia PG 19 3217 23813
Castel Sant'Angelo RI 19 1308 25121
Accumoli RI 19 667 25788
Barete AQ 19 737 26525

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
37 Km E of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
83 Km E of Viterbo (67173 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
91 Km W of Chieti (51815 inhabitants)
92 Km W of Pescara (121014 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 2.5 1989-06-14
00:16:50
42.561 13.098 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 93179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-06-14 00:16:50 ± 0.085
Latitude 42.5610 ± 0.0060
Longitude 13.0980 ± 0.0067
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 93179

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) 863.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00899
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 93179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:27:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1989-06-14T00:17:23.41 10.0 undecidable manual SG 353 0.9324 0.34 0.2
--.SDI.Z. 1989-06-14T00:17:11.50 10.0 undecidable manual PG 148 0.999 0.51 0.2
--.ASS.Z. 1989-06-14T00:17:11.80 10.0 undecidable manual SG 327 0.5883 -0.18 0.7
--.ARV.Z. 1989-06-14T00:17:09.00 10.0 undecidable manual PG 353 0.9324 -0.46 0.2
--.ALP.Z. 1989-06-14T00:17:05.83 10.0 undecidable manual SG 57 0.3996 -0.05 0.9
--.MNS.Z. 1989-06-14T00:17:04.00 10.0 undecidable manual SG 240 0.3552 -0.17 0.6
--.ASS.Z. 1989-06-14T00:17:03.50 10.0 undecidable manual PG 327 0.5883 0.44 0.4
--.AQU.Z. 1989-06-14T00:17:02.44 10.0 undecidable manual SG 132 0.2997 -0.14 0.5
--.ALP.Z. 1989-06-14T00:16:59.52 10.0 positive manual PG 57 0.3996 -0.02 2.9
--.MNS.Z. 1989-06-14T00:16:58.53 10.0 positive manual PG 240 0.3552 -0.02 2.9
--.AQU.Z. 1989-06-14T00:16:57.59 10.0 undecidable manual PG 132 0.2997 -0.04 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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