Earthquake with magnitude of ML 1.7 on date 10-09-2007 and time 09:31:26 (UTC) in region 1 km E Amatrice (RI)

A magnitude ML 1.7 earthquake occured in region: 1 km E Amatrice (RI), on

  • 10-09-2007 09:31:26 (UTC)
  • 10-09-2007 11:31:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6340, 13.3020 at 9 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 8 667 3324
Campotosto AQ 10 542 3866
Cittareale RI 12 482 4348
Capitignano AQ 13 665 5013
Montereale AQ 13 2581 7594
Arquata del Tronto AP 16 1178 8772
Cortino TE 17 656 9428
Crognaleto TE 17 1297 10725
Acquasanta Terme AP 18 2916 13641
Borbona RI 19 617 14258
Rocca Santa Maria TE 19 537 14795
Valle Castellana TE 20 977 15772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 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 1.9
ML 1.7
2007-09-10
09:31:26
42.634 13.302 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 651339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-09-10 09:31:26 ± 0.19
Latitude 42.6340 ± 0.0117
Longitude 13.3020 ± 0.0134
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 651339

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1002
Semi-minor axis of confidence ellipse (meter) 959
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 1702.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.68
Epicentral distance of station closest to the epicenter (degree) 0.12591
Epicentral distance of station farthest from the epicenter (degree) 0.42268
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 651339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:22:35

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 651339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:22:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHN. 2007-09-10T09:31:42.42 0.1 undecidable manual Sg 43 45.7209 1.273 62
IV.FAGN.BHE. 2007-09-10T09:31:40.65 0.1 undecidable manual Sg 150 46.9197 -0.817 76
IV.NRCA.SHZ. 2007-09-10T09:31:35.59 0.1 undecidable manual Sg 325 26.8509 -0.342 93
IV.TERO.HHZ. 2007-09-10T09:31:34.83 0.1 undecidable manual Sg 93 24.6531 -0.379 93
IV.FAGN.BHE. 2007-09-10T09:31:34.96 0.1 undecidable manual Pg 150 46.9197 0.004 96
IV.LNSS.BHE. 2007-09-10T09:31:34.61 0.1 undecidable manual Sg 261 21.6672 0.388 93
IV.OFFI.HHN. 2007-09-10T09:31:34.92 0.1 undecidable manual Pg 43 45.7209 0.148 94
IV.CAMP.BHZ. 2007-09-10T09:31:32.57 0.1 undecidable manual Sg 141 13.9749 0.699 85
IV.NRCA.SHZ. 2007-09-10T09:31:31.39 0.1 negative manual Pg 325 26.8509 -0.372 93
IV.LNSS.BHE. 2007-09-10T09:31:30.73 0.1 undecidable manual Pg 261 21.6672 -0.045 100
IV.TERO.HHZ. 2007-09-10T09:31:30.83 0.1 negative manual Pg 93 24.6531 -0.516 90
IV.CAMP.BHZ. 2007-09-10T09:31:29.67 0.1 negative manual Pg 141 13.9749 0.254 97
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