Earthquake with magnitude of ML 0.8 on date 09-07-2007 and time 01:57:30 (Italy) in region 8 km S Acquasanta Terme (AP)

A magnitude ML 0.8 earthquake occured in region: 8 km S Acquasanta Terme (AP), on

  • 08-07-2007 23:57:30 (UTC)
  • 09-07-2007 01:57:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7020, 13.4090 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
Acquasanta Terme AP 8 2916 2916
Valle Castellana TE 8 977 3893
Rocca Santa Maria TE 10 537 4430
Cortino TE 12 656 5086
Arquata del Tronto AP 12 1178 6264
Amatrice RI 13 2657 8921
Accumoli RI 13 667 9588
Campotosto AQ 16 542 10130
Montegallo AP 17 523 10653
Crognaleto TE 18 1297 11950
Roccafluvione AP 19 2010 13960
Fano Adriano TE 20 296 14256

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
64 Km E of Foligno (57155 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
64 Km E of Terni (111501 inhabitants)
71 Km W of Pescara (121014 inhabitants)
73 Km NW of Chieti (51815 inhabitants)
95 Km E of Perugia (166134 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE 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 1.6
ML 0.8
2007-07-08
23:57:30
42.702 13.409 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 639949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-07-08 23:57:30 ± 0.08
Latitude 42.7020 ± 0.0072
Longitude 13.4090 ± 0.0098
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 639949

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 979
Semi-minor axis of confidence ellipse (meter) 473
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 132
Circular confidence region, given by single value of horizontal uncertainty (meter) 1131.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28868
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 639949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:10:19

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 639949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:10:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.KEK.BHE. 2007-07-08T23:57:59.59 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2007-07-08T23:57:55.29 10.0 undecidable manual Sg 0 0 0
IV.RNI2.HHE. 2007-07-08T23:57:51.50 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHN. 2007-07-08T23:57:46.58 10.0 undecidable manual Pg 0 0 0
IV.LNSS.BHZ. 2007-07-08T23:57:42.15 0.3 undecidable manual Sg 250 32.0457 0.091 72
IV.NRCA.SHZ. 2007-07-08T23:57:40.82 0.6 undecidable manual Sg 301 28.1496 -0.196 47
IV.TERO.HHE. 2007-07-08T23:57:37.90 0.1 undecidable manual Sg 119 18.1707 -0.02 100
IV.LNSS.BHZ. 2007-07-08T23:57:37.14 0.3 undecidable manual Pg 250 32.0457 -0.144 71
IV.CAMP.BHN. 2007-07-08T23:57:37.92 0.3 undecidable manual Sg 180 18.3705 -0.071 74
IV.NRCA.SHZ. 2007-07-08T23:57:36.80 0.1 undecidable manual Pg 301 28.1496 0.113 96
IV.CAMP.BHN. 2007-07-08T23:57:35.01 0.1 undecidable manual Pg 180 18.3705 0.069 99
IV.TERO.HHE. 2007-07-08T23:57:34.90 0.1 negative manual Pg 119 18.1707 0.003 100
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