Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 09-07-1999 and time 15:20:35 (UTC) in region 1 km S Bolognano (PE)

A magnitude Md 2.4 earthquake occured in region: 1 km S Bolognano (PE), on

  • 09-07-1999 15:20:35 (UTC)
  • 09-07-1999 17:20:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2050, 13.9580 at 5 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bolognano PE 2 1108 1108
Salle PE 3 308 1416
Tocco da Casauria PE 4 2688 4104
San Valentino in Abruzzo Citeriore PE 4 1922 6026
Abbateggio PE 5 400 6426
Torre de' Passeri PE 5 3147 9573
Roccamorice PE 6 939 10512
Castiglione a Casauria PE 6 831 11343
Caramanico Terme PE 6 1929 13272
Lettomanoppello PE 8 2975 16247
Scafa PE 8 3759 20006
Pescosansonesco PE 8 517 20523
Turrivalignani PE 9 857 21380
Pietranico PE 9 484 21864
Corvara PE 10 256 22120
Alanno PE 10 3487 25607
Sant'Eufemia a Maiella PE 11 278 25885
Roccacasale AQ 11 693 26578
Manoppello PE 11 6996 33574
Bussi sul Tirino PE 11 2518 36092
Popoli PE 11 5172 41264
Cugnoli PE 12 1506 42770
Serramonacesca PE 12 562 43332
Corfinio AQ 13 1051 44383
Pratola Peligna AQ 14 7577 51960
Roccamontepiano CH 14 1707 53667
Civitaquana PE 15 1247 54914
Vittorito AQ 15 873 55787
Nocciano PE 15 1810 57597
Collepietro AQ 15 237 57834
Brittoli PE 15 290 58124
Rosciano PE 15 3900 62024
Pretoro CH 15 934 62958
San Benedetto in Perillis AQ 16 113 63071
Catignano PE 16 1399 64470
Vicoli PE 16 390 64860
Carpineto della Nora PE 16 662 65522
Raiano AQ 17 2815 68337
Casalincontrada CH 17 3074 71411
Capestrano AQ 17 884 72295
Pacentro AQ 17 1174 73469
Sulmona AQ 18 24557 98026
Civitella Casanova PE 19 1815 99841
Rapino CH 19 1318 101159
Navelli AQ 19 554 101713
Prezza AQ 19 945 102658
Molina Aterno AQ 19 386 103044
Fara Filiorum Petri CH 20 1943 104987
Acciano AQ 20 327 105314

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Chieti (51815 inhabitants)
36 Km SW of Pescara (121014 inhabitants)
38 Km SW of Montesilvano (53738 inhabitants)
49 Km E of L'Aquila (69753 inhabitants)
55 Km SE of Teramo (54892 inhabitants)
99 Km E 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 2.4
ML-VAX 1.6 		1999-07-09
15:20:35		 42.205 13.958 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 370189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-07-09 15:20:35 ± 0.402
Latitude 42.2050 ± 0.0256
Longitude 13.9580 ± 0.0352
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 370189

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) 4064.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00389
Epicentral distance of station farthest from the epicenter (degree) 0.00858
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 370189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:47:21

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 370189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1999-07-09T15:21:09.21 10.0 undecidable manual SG 280 0.9546 0.13 0.6
--.RFI.Z. 1999-07-09T15:21:06.49 10.0 undecidable manual SG 178 0.8991 -0.75 0.2
--.CRVI.Z. 1999-07-09T15:20:56.32 10.0 undecidable manual SG 151 0.5439 0.56 0.4
--.MNS.Z. 1999-07-09T15:20:54.51 10.0 undecidable manual PG 280 0.9546 -0.31 1.4
--.RFI.Z. 1999-07-09T15:20:53.77 10.0 negative manual PG 178 0.8991 0 3.4
--.AQU.Z. 1999-07-09T15:20:52.53 10.0 undecidable manual SG 289 0.4329 0.27 0.7
--.NRCA.Z. 1999-07-09T15:20:52.81 10.0 undecidable manual PG 315 0.8769 -0.59 0.9
--.CPI2.Z. 1999-07-09T15:20:48.88 10.0 undecidable manual PG 156 0.6771 -0.64 0.9
--.CRVI.Z. 1999-07-09T15:20:47.84 10.0 undecidable manual PG 151 0.5439 0.7 0.8
--.AQU.Z. 1999-07-09T15:20:45.88 10.0 undecidable manual PG 289 0.4329 0.76 0.7
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