Earthquake with magnitude of ML 0.5 on date 18-08-2007 and time 22:15:23 (Italy) in region 2 km SW Fagnano Alto (AQ)

A magnitude ML 0.5 earthquake occured in region: 2 km SW Fagnano Alto (AQ), on

  • 18-08-2007 20:15:23 (UTC)
  • 18-08-2007 22:15:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2400, 13.5620 at 0 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
Fagnano Alto AQ 2 418 418
Fontecchio AQ 4 369 787
Villa Sant'Angelo AQ 4 424 1211
Rocca di Mezzo AQ 5 1526 2737
San Demetrio ne' Vestini AQ 6 1854 4591
Prata d'Ansidonia AQ 6 496 5087
Rocca di Cambio AQ 6 533 5620
Sant'Eusanio Forconese AQ 6 394 6014
Tione degli Abruzzi AQ 7 310 6324
Fossa AQ 9 721 7045
Ocre AQ 9 1167 8212
Caporciano AQ 9 230 8442
Poggio Picenze AQ 9 1136 9578
San Pio delle Camere AQ 9 661 10239
Barisciano AQ 10 1828 12067
Carapelle Calvisio AQ 12 87 12154
Ovindoli AQ 12 1227 13381
Castelvecchio Calvisio AQ 13 153 13534
Santo Stefano di Sessanio AQ 14 111 13645
Secinaro AQ 14 359 14004
Navelli AQ 14 554 14558
Calascio AQ 15 137 14695
Acciano AQ 15 327 15022
Gagliano Aterno AQ 17 254 15276
Celano AQ 17 11017 26293
Capestrano AQ 17 884 27177
Molina Aterno AQ 18 386 27563
Aielli AQ 18 1475 29038
Collepietro AQ 18 237 29275
Castelvecchio Subequo AQ 18 982 30257
San Benedetto in Perillis AQ 18 113 30370
L'Aquila AQ 18 69753 100123
Ofena AQ 19 506 100629
Lucoli AQ 19 1011 101640
Castel del Monte AQ 20 413 102053
Cerchio AQ 20 1635 103688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SE of L'Aquila (69753 inhabitants)
48 Km S of Teramo (54892 inhabitants)
51 Km W of Chieti (51815 inhabitants)
57 Km SW of Montesilvano (53738 inhabitants)
59 Km W of Pescara (121014 inhabitants)
70 Km E of Tivoli (56533 inhabitants)
74 Km E of Guidonia Montecelio (88673 inhabitants)
83 Km E of Terni (111501 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
97 Km E of Roma (2864731 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 2.0
ML 0.5
2007-08-18
20:15:23
42.24 13.562 0 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 647559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-08-18 20:15:23 ± 0.39
Latitude 42.2400 ± 0.0180
Longitude 13.5620 ± 0.0267
Depth (km) 0 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 647559

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2579
Semi-minor axis of confidence ellipse (meter) 2052
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 2973.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.81
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34084
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.6
Num. used stations
Type of magnitude ML
Reference to an origin 647559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:18:30

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 647559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:18:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCEL.EHN. 2007-08-18T20:15:34.24 0.6 undecidable manual Sg 53 28.5492 0.525 43
IV.INTR.HHE. 2007-08-18T20:15:31.30 0.3 undecidable manual Pg 132 37.8288 -0.094 70
IV.CRAC.EHZ. 2007-08-18T20:15:30.44 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHN. 2007-08-18T20:15:30.13 0.1 undecidable manual Pg 53 28.5492 0.605 83
IV.CAMP.BHE. 2007-08-18T20:15:30.30 0.1 undecidable manual Pg 339 35.1426 -0.553 84
IV.PTQR.SHZ. 2007-08-18T20:15:29.14 0.6 undecidable manual Pg 209 27.5502 -0.19 47
IV.AQU.SHZ. 2007-08-18T20:15:28.30 0.1 undecidable manual Pg 314 18.2706 0.833 77
IV.FAGN.BHZ. 2007-08-18T20:15:24.94 0.1 undecidable manual Sg 31 3.3966 -0.041 100
IV.FAGN.BHZ. 2007-08-18T20:15:23.50 0.1 undecidable manual Pg 31 3.3966 -0.982 74
IV.LNSS.BHN. 2007-08-18T20:15:12.80 10.0 undecidable manual Pg 0 0 0
IV.LAV9.SHZ. 2007-08-18T20:15:07.84 10.0 undecidable manual Pg 0 0 0
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