Earthquake with magnitude of ML 2.1 on date 18-07-2007 and time 13:23:49 (Italy) in region 2 km E Santo Stefano d'Aveto (GE)

A magnitude ML 2.1 earthquake occured in region: 2 km E Santo Stefano d'Aveto (GE), on

  • 18-07-2007 11:23:49 (UTC)
  • 18-07-2007 13:23:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5390, 9.4770 at 74 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
Santo Stefano d'Aveto GE 2 1126 1126
Rezzoaglio GE 7 995 2121
Ferriere PC 12 1294 3415
Bedonia PR 13 3482 6897
Tornolo PR 13 1010 7907
Fontanigorda GE 14 277 8184
Borzonasca GE 15 2049 10233
Ottone PC 15 516 10749
Compiano PR 16 1112 11861
Rovegno GE 16 554 12415
Gorreto GE 16 97 12512
Montebruno GE 18 240 12752
Cerignale PC 18 127 12879
Mezzanego GE 19 1537 14416
Fascia GE 19 81 14497
Favale di Malvaro GE 20 466 14963
Lorsica GE 20 468 15431

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Genova (586655 inhabitants)
56 Km NW of La Spezia (93959 inhabitants)
60 Km SW of Piacenza (102191 inhabitants)
71 Km NW of Carrara (63133 inhabitants)
74 Km W of Parma (192836 inhabitants)
76 Km SE of Pavia (72576 inhabitants)
77 Km NW of Massa (69479 inhabitants)
79 Km SW of Cremona (71901 inhabitants)
80 Km SE of Alessandria (93943 inhabitants)
83 Km E of Savona (61345 inhabitants)
93 Km W of Reggio nell'Emilia (171345 inhabitants)
97 Km NW of Viareggio (62467 inhabitants)
99 Km SE of Vigevano (63310 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 2.4
ML 2.1
2007-07-18
11:23:49
44.539 9.477 74 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 641759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-07-18 11:23:49 ± 0.36
Latitude 44.5390 ± 0.0243
Longitude 9.4770 ± 0.0278
Depth (km) 74 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 641759

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1994
Semi-minor axis of confidence ellipse (meter) 1938
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 3482.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.98
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.14668
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 641759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:12:16

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 641759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:12:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ESLN.BHN. 2007-07-18T11:25:13.89 10.0 undecidable manual Pg 0 0 0
I1.IACL.BHN. 2007-07-18T11:25:03.76 10.0 undecidable manual Pg 0 0 0
IV.CTI.EHE. 2007-07-18T11:24:47.58 0.3 undecidable manual Sg 45 238.2837 -1.536 22
IV.MABI.HHN. 2007-07-18T11:24:37.15 0.3 undecidable manual Sg 25 186.6687 -1.082 39
IV.MAGA.BHN. 2007-07-18T11:24:32.02 0.6 undecidable manual Sg 33 164.1135 -1.524 24
MN.BNI.HHE. 2007-07-18T11:24:28.15 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHZ. 2007-07-18T11:24:28.51 10.0 undecidable manual Pg 0 0 0
IV.PZZT.HHE. 2007-07-18T11:24:25.12 0.6 undecidable manual Sg 112 118.7922 0.761 35
IV.CTI.EHE. 2007-07-18T11:24:24.15 0.1 undecidable manual Pg 45 238.2837 0.109 48
IV.BDI.HHE. 2007-07-18T11:24:20.47 0.6 undecidable manual Sg 120 103.4187 -0.908 33
IV.MABI.HHN. 2007-07-18T11:24:18.13 0.1 negative manual Pg 25 186.6687 0.373 62
MN.VLC.HHN. 2007-07-18T11:24:17.00 0.6 undecidable manual Sg 120 83.5497 -0.694 38
GU.TRAV.HHN. 2007-07-18T11:24:16.10 0.1 undecidable manual Pg 309 173.3931 -0.056 68
IV.IMI.SHZ. 2007-07-18T11:24:16.73 10.0 undecidable manual Sg 0 0 0
CH.MUGIO.HHN. 2007-07-18T11:24:14.66 0.1 undecidable manual Pg 348 157.1205 0.441 71
GU.PCP.HHN. 2007-07-18T11:24:14.60 0.6 undecidable manual Sg 271 73.6707 -1.374 26
IV.MAGA.BHN. 2007-07-18T11:24:14.97 0.1 undecidable manual Pg 33 164.1135 -0.081 74
IV.BOB.HHN. 2007-07-18T11:24:11.11 0.3 undecidable manual Sg 355 25.5522 1.462 37
IV.PZZT.HHE. 2007-07-18T11:24:10.65 0.3 undecidable manual Pg 112 118.7922 0.901 51
IV.SEST.EHZ. 2007-07-18T11:24:10.00 10.0 undecidable manual Pg 0 0 0
IV.IMI.SHZ. 2007-07-18T11:24:08.80 10.0 undecidable manual Pg 0 0 0
IV.BDI.HHE. 2007-07-18T11:24:08.06 0.1 undecidable manual Pg 120 103.4187 0.034 86
IV.FIN.SHZ. 2007-07-18T11:24:08.79 0.1 undecidable manual Pg 250 107.0151 0.373 86
GU.SC2M.HHZ. 2007-07-18T11:24:08.46 0.1 undecidable manual Sg 163 15.5733 -0.534 95
MN.VLC.HHN. 2007-07-18T11:24:06.01 0.1 undecidable manual Pg 120 83.5497 0.113 91
GU.PCP.HHN. 2007-07-18T11:24:03.83 0.1 undecidable manual Pg 271 73.6707 -1.079 59
IV.BOB.HHN. 2007-07-18T11:24:02.57 0.1 undecidable manual Pg 355 25.5522 1.317 62
GU.SC2M.HHZ. 2007-07-18T11:24:01.07 0.1 undecidable manual Pg 163 15.5733 0.194 100
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