Earthquake with magnitude of ML 2.0 on date 25-08-2007 and time 08:21:13 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 2.0 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 25-08-2007 06:21:13 (UTC)
  • 25-08-2007 08:21:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0190, 7.5510 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
Pigna IM 13 859 859
Castel Vittorio IM 14 287 1146
Rocchetta Nervina IM 15 298 1444
Olivetta San Michele IM 16 211 1655
Airole IM 16 407 2062
Isolabona IM 17 679 2741
Triora IM 17 355 3096
Briga Alta CN 18 39 3135
Apricale IM 18 629 3764
Molini di Triora IM 18 617 4381
Bajardo IM 19 312 4693
Perinaldo IM 20 870 5563
Dolceacqua IM 20 2074 7637

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Sanremo (54807 inhabitants)
42 Km S of Cuneo (56081 inhabitants)
81 Km W of Savona (61345 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 2.6
ML 2.0
2007-08-25
06:21:13
44.019 7.551 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 648789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-08-25 06:21:13 ± 0.67
Latitude 44.0190 ± 0.0405
Longitude 7.5510 ± 0.0275
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 648789

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4842
Semi-minor axis of confidence ellipse (meter) 1474
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 5009.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 257
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.34
Epicentral distance of station closest to the epicenter (degree) 0.27789
Epicentral distance of station farthest from the epicenter (degree) 1.46949
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 648789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:19:50

Md:2.6

Field Value
Value 2.6
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 648789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:19:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHN. 2007-08-25T06:22:07.84 0.6 undecidable manual Sg 349 163.1145 8.328 0
IV.MONC.HHE. 2007-08-25T06:21:51.75 0.3 undecidable manual Sg 14 120.6903 3.555 3
GU.BHB.HHN. 2007-08-25T06:21:40.75 0.6 undecidable manual Sg 346 93.3399 -0.138 44
GU.LSD.HHN. 2007-08-25T06:21:38.76 0.3 undecidable manual Pg 349 163.1145 -1.209 38
IV.MONC.HHE. 2007-08-25T06:21:35.57 0.3 undecidable manual Pg 14 120.6903 2.136 22
MN.BNI.HHN. 2007-08-25T06:21:35.89 0.3 undecidable manual Pg 329 133.866 0.424 58
IV.QLNO.HHZ. 2007-08-25T06:21:34.72 0.3 undecidable manual Sg 62 71.7726 -0.396 66
GU.RSP.HHZ. 2007-08-25T06:21:33.36 0.1 undecidable manual Pg 350 127.2726 -1.083 60
IV.DOI.HHE. 2007-08-25T06:21:32.22 0.3 undecidable manual Sg 336 58.9965 0.504 65
GU.PCP.HHZ. 2007-08-25T06:21:30.56 0.1 undecidable manual Pg 53 97.9242 0.641 77
GU.BHB.HHN. 2007-08-25T06:21:28.65 0.1 negative manual Pg 346 93.3399 -0.565 80
IV.QLNO.HHZ. 2007-08-25T06:21:25.95 0.1 positive manual Pg 62 71.7726 0.066 94
GU.STV.HHN. 2007-08-25T06:21:24.00 0.1 undecidable manual Sg 325 30.8469 -0.205 98
IV.DOI.HHE. 2007-08-25T06:21:24.38 0.1 negative manual Pg 336 58.9965 0.461 88
IV.FIN.SHZ. 2007-08-25T06:21:23.34 0.1 positive manual Pg 68 56.3991 -0.185 94
GU.STV.HHN. 2007-08-25T06:21:19.71 0.1 negative manual Pg 325 30.8469 0.127 100
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