Earthquake with magnitude of ML 1.7 on date 25-07-2007 and time 14:23:50 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.7 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 25-07-2007 12:23:50 (UTC)
  • 25-07-2007 14:23:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7860, 16.1650 at 6 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
Pizzo VV 6 9278 9278
Maierato VV 9 2188 11466
Francavilla Angitola VV 9 1939 13405
Sant'Onofrio VV 10 3067 16472
Filadelfia VV 11 5384 21856
Stefanaconi VV 13 2494 24350
Filogaso VV 13 1417 25767
Monterosso Calabro VV 13 1729 27496
Briatico VV 13 4053 31549
Vibo Valentia VV 13 33941 65490
Polia VV 14 1023 66513
Curinga CZ 14 6779 73292
Capistrano VV 15 1042 74334
San Gregorio d'Ippona VV 17 2527 76861
San Nicola da Crissa VV 17 1335 78196
San Pietro a Maida CZ 17 4200 82396
Cessaniti VV 18 3290 85686
Zambrone VV 18 1775 87461
Vazzano VV 18 1067 88528
San Costantino Calabro VV 19 2239 90767
Vallelonga VV 19 706 91473
Maida CZ 19 4566 96039
Francica VV 19 1651 97690
Pizzoni VV 19 1143 98833
Jacurso CZ 20 624 99457
Ionadi VV 20 4238 103695

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Lamezia Terme (70714 inhabitants)
40 Km W of Catanzaro (90612 inhabitants)
57 Km S of Cosenza (67546 inhabitants)
84 Km NE of Messina (238439 inhabitants)
88 Km NE of Reggio di Calabria (183035 inhabitants)
89 Km W of Crotone (62178 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 2.2
ML 1.7
2007-07-25
12:23:50
38.786 16.165 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 643319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-07-25 12:23:50 ± 0.08
Latitude 38.7860 ± 0.0045
Longitude 16.1650 ± 0.0069
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 643319

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 562
Semi-minor axis of confidence ellipse (meter) 425
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.20145
Epicentral distance of station farthest from the epicenter (degree) 0.84177
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 643319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:13:56

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 643319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:13:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.EHZ. 2007-07-25T12:24:15.86 1.0 undecidable manual Sg 187 79.6647 0.113 22
IV.MPAZ.BHZ. 2007-07-25T12:24:07.42 0.1 undecidable manual Pg 189 93.4398 0.091 88
IV.PLAC.HHZ. 2007-07-25T12:24:06.22 0.6 undecidable manual Sg 148 44.2224 -0.062 48
IV.SOI.EHZ. 2007-07-25T12:24:05.39 0.1 negative manual Pg 187 79.6647 0.181 88
MN.TIP.HHZ. 2007-07-25T12:24:03.57 0.3 undecidable manual Pg 49 67.1772 0.29 66
MN.CEL.HHZ. 2007-07-25T12:24:02.69 0.1 undecidable manual Pg 202 62.8926 0.065 93
IV.JOPP.HHZ. 2007-07-25T12:24:01.79 0.1 undecidable manual Sg 231 31.3464 -0.088 98
IV.SERS.HHN. 2007-07-25T12:24:00.80 0.1 undecidable manual Pg 58 53.0025 -0.289 91
IV.CARO.HHZ. 2007-07-25T12:24:00.93 0.1 undecidable manual Pg 5 52.1034 -0.022 96
IV.PLAC.HHZ. 2007-07-25T12:23:59.52 0.1 positive manual Pg 148 44.2224 -0.226 94
IV.JOPP.HHZ. 2007-07-25T12:23:57.19 0.1 positive manual Pg 231 31.3464 -0.011 100
IV.GRI.EHE. 2007-07-25T12:23:55.54 0.1 positive manual Pg 80 22.3554 0.098 100
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