Earthquake with magnitude of Md 2.6 on date 28-07-1999 and time 18:37:51 (Italy) in region 8 km W Scoppito (AQ)

A magnitude Md 2.6 earthquake occured in region: 8 km W Scoppito (AQ), on

  • 28-07-1999 16:37:51 (UTC)
  • 28-07-1999 18:37:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.37, 13.16 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
Scoppito AQ 8 3727 3727
Antrodoco RI 8 2588 6315
Borgo Velino RI 9 972 7287
Castel Sant'Angelo RI 11 1308 8595
Petrella Salto RI 11 1197 9792
Cagnano Amiterno AQ 11 1369 11161
Fiamignano RI 12 1413 12574
Micigliano RI 13 127 12701
Pizzoli AQ 14 4326 17027
Barete AQ 14 737 17764
Tornimparte AQ 15 3187 20951
Concerviano RI 15 291 21242
Borbona RI 16 617 21859
Lucoli AQ 17 1011 22870
Cittaducale RI 17 6828 29698
Posta RI 18 694 30392
Pescorocchiano RI 18 2075 32467
Marcetelli RI 18 89 32556
Varco Sabino RI 18 187 32743
Montereale AQ 19 2581 35324
Longone Sabino RI 19 597 35921
L'Aquila AQ 20 69753 105674

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of L'Aquila (69753 inhabitants)
47 Km E of Terni (111501 inhabitants)
54 Km NE of Tivoli (56533 inhabitants)
54 Km NE of Guidonia Montecelio (88673 inhabitants)
55 Km SW of Teramo (54892 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
82 Km NE of Velletri (53303 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
83 Km W of Chieti (51815 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
87 Km W of Pescara (121014 inhabitants)
95 Km NE of Pomezia (62966 inhabitants)
96 Km NE of Aprilia (73446 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 2.6 1999-07-28
16:37:51
42.37 13.16 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 371249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-07-28 16:37:51 ± 0.115
Latitude 42.37 ± 0.01
Longitude 13.16 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 371249

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) 1259.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00882
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 371249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:48:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SNTG.Z. 1999-07-28T16:38:23.19 10.0 undecidable manual SG 349 0.008 0.65 0.3
--.SDI.Z. 1999-07-28T16:38:20.60 10.0 undecidable manual SG 143 0.0073 0.09 0.8
--.ASS.Z. 1999-07-28T16:38:19.00 10.0 undecidable manual SG 332 0.007 0.09 0.8
--.RVI2.Z. 1999-07-28T16:38:11.85 10.0 undecidable manual PG 139 0.0088 0.71 0.6
--.SNTG.Z. 1999-07-28T16:38:10.22 10.0 undecidable manual PG 349 0.008 0.68 0.7
--.SDI.Z. 1999-07-28T16:38:08.41 10.0 undecidable manual PG 143 0.0073 0.36 1.5
--.NRCA.Z. 1999-07-28T16:38:08.94 10.0 undecidable manual SG 355 0.0041 0.35 0.7
--.ASS.Z. 1999-07-28T16:38:06.95 10.0 undecidable manual PG 332 0.007 -0.5 1.2
--.PQ9.Z. 1999-07-28T16:38:06.50 10.0 undecidable manual SG 152 0.0035 0.25 0.8
--.MNS.Z. 1999-07-28T16:38:04.78 10.0 undecidable manual SG 272 0.0032 -0.27 0.8
--.NRCA.Z. 1999-07-28T16:38:01.30 10.0 undecidable manual PG 355 0.0041 -0.46 1.5
--.MNS.Z. 1999-07-28T16:37:59.38 10.0 undecidable manual PG 272 0.0032 -0.07 2.3
--.PQ9.Z. 1999-07-28T16:37:59.64 10.0 undecidable manual PG 152 0.0035 -0.5 1.4
--.AQU.Z. 1999-07-28T16:37:59.00 10.0 undecidable manual SG 95 0.0015 -0.46 0.6
--.AQU.Z. 1999-07-28T16:37:55.70 10.0 undecidable manual PG 95 0.0015 -0.52 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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