Earthquake with magnitude of ML 1.3 on date 31-01-2007 and time 03:13:18 (Italy) in region 9 km N L'Aquila (AQ)

A magnitude ML 1.3 earthquake occured in region: 9 km N L'Aquila (AQ), on

  • 31-01-2007 02:13:18 (UTC)
  • 31-01-2007 03:13:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4320, 13.4210 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
L'Aquila AQ 9 69753 69753
Pizzoli AQ 10 4326 74079
Barete AQ 12 737 74816
Crognaleto TE 14 1297 76113
Capitignano AQ 14 665 76778
Campotosto AQ 15 542 77320
Scoppito AQ 15 3727 81047
Pietracamela TE 15 271 81318
Poggio Picenze AQ 16 1136 82454
Cagnano Amiterno AQ 16 1369 83823
Fossa AQ 16 721 84544
Fano Adriano TE 17 296 84840
Ocre AQ 17 1167 86007
Lucoli AQ 17 1011 87018
Montereale AQ 18 2581 89599
Sant'Eusanio Forconese AQ 18 394 89993
Barisciano AQ 18 1828 91821
Tornimparte AQ 18 3187 95008
San Demetrio ne' Vestini AQ 20 1854 96862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km N of L'Aquila (69753 inhabitants)
34 Km SW of Teramo (54892 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
62 Km W of Chieti (51815 inhabitants)
65 Km E of Terni (111501 inhabitants)
65 Km W of Pescara (121014 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
98 Km NE of Roma (2864731 inhabitants)
98 Km NE of Velletri (53303 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 1.3
2007-01-31
02:13:18
42.432 13.421 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 612019
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-01-31 02:13:18 ± 0.1
Latitude 42.4320 ± 0.0063
Longitude 13.4210 ± 0.0110
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 612019

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1012
Semi-minor axis of confidence ellipse (meter) 332
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55218
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 612019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:40:33

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 612019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:40:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.EHZ. 2007-01-31T02:13:50.63 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHE. 2007-01-31T02:13:40.40 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHE. 2007-01-31T02:13:37.29 0.1 undecidable manual Sg 139 61.2942 0.324 44
IV.NRCA.SHZ. 2007-01-31T02:13:34.34 0.1 undecidable manual Sg 331 51.1155 0.104 47
IV.LNSS.BHZ. 2007-01-31T02:13:31.08 0.3 undecidable manual Sg 301 36.4413 0.748 30
IV.VCEL.EHZ. 2007-01-31T02:13:30.72 0.3 undecidable manual Sg 97 34.6431 0.88 29
IV.PTQR.SHZ. 2007-01-31T02:13:28.81 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHE. 2007-01-31T02:13:28.25 0.1 undecidable manual Pg 139 61.2942 -0.704 78
IV.NRCA.SHZ. 2007-01-31T02:13:27.39 0.1 undecidable manual Pg 331 51.1155 0.012 96
IV.TERO.HHZ. 2007-01-31T02:13:27.02 0.1 undecidable manual Sg 35 25.8519 -0.488 45
IV.LNSS.BHZ. 2007-01-31T02:13:25.13 0.1 undecidable manual Pg 301 36.4413 0.006 98
IV.VCEL.EHZ. 2007-01-31T02:13:25.18 0.1 undecidable manual Pg 97 34.6431 0.34 92
IV.FIAM.HHE. 2007-01-31T02:13:24.03 0.1 undecidable manual Pg 234 30.8469 -0.24 95
IV.CAMP.BHZ. 2007-01-31T02:13:23.29 0.1 undecidable manual Sg 355 11.4774 -0.114 50
IV.TERO.HHZ. 2007-01-31T02:13:23.24 0.1 undecidable manual Pg 35 25.8519 -0.253 95
IV.FAGN.BHE. 2007-01-31T02:13:23.07 0.1 undecidable manual Pg 144 22.755 0.049 100
MN.AQU.HHZ. 2007-01-31T02:13:22.67 0.1 undecidable manual Sg 190 8.88 -0.095 51
IV.CAMP.BHZ. 2007-01-31T02:13:21.27 0.1 undecidable manual Pg 355 11.4774 0.146 100
MN.AQU.HHZ. 2007-01-31T02:13:20.91 0.1 undecidable manual Pg 190 8.88 0.155 100
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