Earthquake with magnitude of Md 2.3 on date 03-06-1999 and time 20:39:16 (Italy) in region 2 km S Rocca Santa Maria (TE)

A magnitude Md 2.3 earthquake occured in region: 2 km S Rocca Santa Maria (TE), on

  • 03-06-1999 18:39:16 (UTC)
  • 03-06-1999 20:39:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.67, 13.53 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
Rocca Santa Maria TE 2 537 537
Cortino TE 5 656 1193
Valle Castellana TE 8 977 2170
Torricella Sicura TE 11 2641 4811
Montorio al Vomano TE 13 8218 13029
Fano Adriano TE 13 296 13325
Crognaleto TE 14 1297 14622
Teramo TE 15 54892 69514
Campli TE 15 7209 76723
Acquasanta Terme AP 15 2916 79639
Pietracamela TE 16 271 79910
Civitella del Tronto TE 16 5116 85026
Tossicia TE 17 1406 86432
Campotosto AQ 18 542 86974
Colledara TE 19 2179 89153
Basciano TE 19 2434 91587
Folignano AP 19 9241 100828
Amatrice RI 20 2657 103485

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
54 Km W of Montesilvano (53738 inhabitants)
61 Km W of Pescara (121014 inhabitants)
63 Km NW of Chieti (51815 inhabitants)
73 Km E of Terni (111501 inhabitants)
74 Km E of Foligno (57155 inhabitants)
99 Km NE of Tivoli (56533 inhabitants)
99 Km NE of Guidonia Montecelio (88673 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 1999-06-03
18:39:16
42.67 13.53 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 367249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-06-03 18:39:16 ± 0.205
Latitude 42.67 ± 0.01
Longitude 13.53 ± 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 367249

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) 2137.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00882
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 367249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:44:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1999-06-03T18:39:50.43 10.0 undecidable manual SG 167 0.0088 0.23 0.4
--.ARV.Z. 1999-06-03T18:39:48.65 10.0 undecidable manual SG 332 0.0083 -0.03 0.6
--.ASS.Z. 1999-06-03T18:39:43.27 10.0 undecidable manual SG 301 0.0067 0.38 0.2
--.MNS.Z. 1999-06-03T18:39:40.95 10.0 undecidable manual SG 245 0.0062 0.23 0.2
--.SDI.Z. 1999-06-03T18:39:35.98 10.0 positive manual PG 167 0.0088 -0.11 2.7
--.ARV.Z. 1999-06-03T18:39:35.50 10.0 undecidable manual PG 332 0.0083 0.29 1.2
--.ASS.Z. 1999-06-03T18:39:31.31 10.0 undecidable manual PG 301 0.0067 -0.55 0.8
--.MNS.Z. 1999-06-03T18:39:29.49 10.0 undecidable manual PG 245 0.0062 -1.12 0.1
--.AQU.Z. 1999-06-03T18:39:29.33 10.0 undecidable manual SG 196 0.0029 0.09 0.5
--.NRCA.Z. 1999-06-03T18:39:29.82 10.0 undecidable manual SG 298 0.0031 -0.02 0.6
--.NRCA.Z. 1999-06-03T18:39:24.35 10.0 negative manual PG 298 0.0031 0.02 3.3
--.AQU.Z. 1999-06-03T18:39:24.13 10.0 undecidable manual PG 196 0.0029 0.15 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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