Earthquake with magnitude of Md 2.3 on date 29-06-1999 and time 06:40:15 (Italy) in region 8 km W Cittareale (RI)

A magnitude Md 2.3 earthquake occured in region: 8 km W Cittareale (RI), on

  • 29-06-1999 04:40:15 (UTC)
  • 29-06-1999 06:40:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.63, 13.06 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
Cittareale RI 8 482 482
Monteleone di Spoleto PG 10 599 1081
Cascia PG 11 3217 4298
Leonessa RI 11 2435 6733
Posta RI 12 694 7427
Borbona RI 14 617 8044
Poggiodomo PG 14 117 8161
Accumoli RI 17 667 8828
Amatrice RI 18 2657 11485
Norcia PG 19 4957 16442
Polino TR 19 233 16675
Montereale AQ 19 2581 19256
Micigliano RI 20 127 19383

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Terni (111501 inhabitants)
41 Km NW of L'Aquila (69753 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
53 Km W of Teramo (54892 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
77 Km N of Tivoli (56533 inhabitants)
82 Km E of Viterbo (67173 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
96 Km W of Chieti (51815 inhabitants)
96 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
Rev 1000 Md 2.3 1999-06-29
04:40:15
42.63 13.06 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 369509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-06-29 04:40:15 ± 0.19
Latitude 42.63 ± 0.01
Longitude 13.06 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 369509

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) 1810.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 219
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00567
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 369509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:46:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 1999-06-29T04:40:38.13 10.0 undecidable manual SG 351 0.0057 -0.1 0.5
--.ASS.Z. 1999-06-29T04:40:35.50 10.0 undecidable manual SG 325 0.0047 0.17 0.5
--.MNS.Z. 1999-06-29T04:40:29.61 10.0 undecidable manual SG 229 0.0033 -0.26 0.4
--.SNTG.Z. 1999-06-29T04:40:28.27 10.0 undecidable manual PG 351 0.0057 -0.56 0.2
--.ASS.Z. 1999-06-29T04:40:27.12 10.0 undecidable manual PG 325 0.0047 0.22 1.1
--.MNS.Z. 1999-06-29T04:40:24.11 10.0 undecidable manual PG 229 0.0033 0.11 1.5
--.NRCA.Z. 1999-06-29T04:40:21.11 10.0 positive manual PG 9 0.0019 0.15 2.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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