Earthquake with magnitude of ML 1.1 on date 09-07-2007 and time 07:47:10 (Italy) in region 1 km NW Amatrice (RI)

A magnitude ML 1.1 earthquake occured in region: 1 km NW Amatrice (RI), on

  • 09-07-2007 05:47:10 (UTC)
  • 09-07-2007 07:47:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6410, 13.2810 at 2 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
Amatrice RI 1 2657 2657
Accumoli RI 7 667 3324
Cittareale RI 10 482 3806
Campotosto AQ 12 542 4348
Montereale AQ 13 2581 6929
Capitignano AQ 13 665 7594
Arquata del Tronto AP 15 1178 8772
Acquasanta Terme AP 18 2916 11688
Borbona RI 19 617 12305
Cortino TE 19 656 12961
Crognaleto TE 19 1297 14258
Posta RI 20 694 14952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
99 Km E of Viterbo (67173 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 1.8
ML 1.1
2007-07-09
05:47:10
42.641 13.281 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 639979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-07-09 05:47:10 ± 0.04
Latitude 42.6410 ± 0.0027
Longitude 13.2810 ± 0.0012
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 639979

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 367
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 316.2
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 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.14119
Epicentral distance of station farthest from the epicenter (degree) 0.23832
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 639979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:10:21

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 639979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:10:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2007-07-09T05:47:19.62 0.1 undecidable manual Sg 94 26.4513 0.012 99
IV.LNSS.BHZ. 2007-07-09T05:47:17.41 0.1 undecidable manual Sg 258 20.0688 0.018 100
IV.TERO.HHZ. 2007-07-09T05:47:15.69 0.1 positive manual Pg 94 26.4513 -0.024 99
IV.CAMP.BHZ. 2007-07-09T05:47:15.84 0.3 undecidable manual Sg 138 15.6732 -0.049 75
IV.LNSS.BHZ. 2007-07-09T05:47:14.40 0.1 positive manual Pg 258 20.0688 -0.034 100
IV.CAMP.BHZ. 2007-07-09T05:47:13.63 0.1 undecidable manual Pg 138 15.6732 0.064 100
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