Earthquake with magnitude of ML 1.1 on date 18-09-2007 and time 22:38:07 (Italy) in region 3 km E Valva (SA)

A magnitude ML 1.1 earthquake occured in region: 3 km E Valva (SA), on

  • 18-09-2007 20:38:07 (UTC)
  • 18-09-2007 22:38:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7500, 15.2980 at 15 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
Valva SA 3 1643 1643
Colliano SA 3 3638 5281
Laviano SA 4 1438 6719
Santomenna SA 7 443 7162
Calabritto AV 8 2391 9553
Senerchia AV 8 842 10395
Castelnuovo di Conza SA 8 619 11014
Oliveto Citra SA 8 3802 14816
Caposele AV 9 3483 18299
Palomonte SA 10 3985 22284
Teora AV 12 1537 23821
Contursi Terme SA 12 3394 27215
Castelgrande PZ 12 943 28158
Sant'Andrea di Conza AV 12 1539 29697
Conza della Campania AV 13 1373 31070
Pescopagano PZ 13 1910 32980
San Gregorio Magno SA 13 4286 37266
Buccino SA 14 5047 42313
Muro Lucano PZ 16 5497 47810
Lioni AV 17 6201 54011
Cairano AV 18 326 54337
Romagnano al Monte SA 18 368 54705
Ricigliano SA 18 1144 55849
Campagna SA 19 16703 72552
Morra De Sanctis AV 20 1297 73849

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Battipaglia (50786 inhabitants)
45 Km W of Potenza (67122 inhabitants)
46 Km E of Avellino (54857 inhabitants)
46 Km E of Salerno (135261 inhabitants)
50 Km E of Cava de' Tirreni (53659 inhabitants)
61 Km SE of Benevento (60091 inhabitants)
65 Km E of Scafati (50787 inhabitants)
69 Km E of Castellammare di Stabia (66466 inhabitants)
77 Km SW of Cerignola (58396 inhabitants)
79 Km E of Torre del Greco (86275 inhabitants)
80 Km E of Portici (55274 inhabitants)
80 Km E of Ercolano (53709 inhabitants)
81 Km E of Acerra (59573 inhabitants)
82 Km S of Foggia (151991 inhabitants)
85 Km E of Afragola (65057 inhabitants)
87 Km E of Casoria (77642 inhabitants)
89 Km E of Napoli (974074 inhabitants)
89 Km E of Caserta (76326 inhabitants)
94 Km E of Giugliano in Campania (122974 inhabitants)
95 Km E of Marano di Napoli (59874 inhabitants)
95 Km E of Aversa (53047 inhabitants)
99 Km SW of Andria (100440 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 1.4
ML 1.1
2007-09-18
20:38:07
40.75 15.298 15 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 652739
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-09-18 20:38:07 ± 0.08
Latitude 40.7500 ± 0.0045
Longitude 15.2980 ± 0.0024
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 652739

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 415
Semi-minor axis of confidence ellipse (meter) 202
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 538.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26080
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.6
Num. used stations
Type of magnitude ML
Reference to an origin 652739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:24:07

Md:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 652739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:24:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHE. 2007-09-18T20:38:17.57 0.1 undecidable manual Sg 179 28.9488 0.008 49
IV.MRLC.HHE. 2007-09-18T20:38:14.30 0.1 undecidable manual Sg 87 16.0728 -0.046 49
IV.SGO.SHZ. 2007-09-18T20:38:14.35 10.0 undecidable manual Pg 0 0 0
IV.CDRU.HHE. 2007-09-18T20:38:13.21 0.1 undecidable manual Pg 179 28.9488 -0.006 98
IV.MCRV.HHZ. 2007-09-18T20:38:13.40 0.1 undecidable manual Sg 288 11.4774 0.038 50
IV.MRLC.HHE. 2007-09-18T20:38:11.40 0.1 undecidable manual Pg 87 16.0728 0.04 99
IV.MCRV.HHZ. 2007-09-18T20:38:10.76 0.1 undecidable manual Pg 288 11.4774 -0.033 100
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