Earthquake with magnitude of Md 2.5 on date 25-09-1999 and time 03:04:34 (Italy) in region 3 km E Briatico (VV)

A magnitude Md 2.5 earthquake occured in region: 3 km E Briatico (VV), on

  • 25-09-1999 01:04:34 (UTC)
  • 25-09-1999 03:04:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7160, 16.0720 at 5 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
Briatico VV 3 4053 4053
Vibo Valentia VV 5 33941 37994
Sant'Onofrio VV 7 3067 41061
Stefanaconi VV 7 2494 43555
Cessaniti VV 7 3290 46845
Zambrone VV 7 1775 48620
Pizzo VV 8 9278 57898
San Gregorio d'Ippona VV 8 2527 60425
San Costantino Calabro VV 9 2239 62664
Ionadi VV 10 4238 66902
Zungri VV 10 1976 68878
Maierato VV 11 2188 71066
Francica VV 11 1651 72717
Filandari VV 12 1853 74570
Mileto VV 13 6763 81333
Parghelia VV 13 1300 82633
Zaccanopoli VV 13 752 83385
Filogaso VV 14 1417 84802
Rombiolo VV 14 4569 89371
Drapia VV 15 2085 91456
Tropea VV 16 6441 97897
San Calogero VV 17 4315 102212
Spilinga VV 17 1464 103676
Vazzano VV 18 1067 104743
Pizzoni VV 19 1143 105886
Francavilla Angitola VV 19 1939 107825
Monterosso Calabro VV 19 1729 109554
Capistrano VV 19 1042 110596
Soriano Calabro VV 19 2421 113017
Gerocarne VV 19 2248 115265
San Nicola da Crissa VV 20 1335 116600
Sorianello VV 20 1176 117776
Limbadi VV 20 3695 121471
Dasà VV 20 1208 122679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Lamezia Terme (70714 inhabitants)
50 Km W of Catanzaro (90612 inhabitants)
66 Km S of Cosenza (67546 inhabitants)
73 Km NE of Messina (238439 inhabitants)
77 Km NE of Reggio di Calabria (183035 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 2.5 1999-09-25
01:04:34
38.716 16.072 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 374119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-09-25 01:04:34 ± 0.22
Latitude 38.7160 ± 0.0095
Longitude 16.0720 ± 0.0202
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 374119

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2043.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.01222
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 374119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:51:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.TDS.Z. 1999-09-25T01:05:08.57 10.0 undecidable manual SG 12 0.9657 -0.04 0.6
--.ORI.Z. 1999-09-25T01:05:00.96 10.0 undecidable manual PN 12 1.3542 0.64 0.3
--.SOI.Z. 1999-09-25T01:04:58.70 10.0 undecidable manual SG 181 0.6327 -0.18 0.6
--.TDS.Z. 1999-09-25T01:04:53.80 10.0 undecidable manual PG 12 0.9657 -0.5 0.6
--.SOI.Z. 1999-09-25T01:04:48.40 10.0 undecidable manual PG 181 0.6327 0.08 1.7
--.GRI.Z. 1999-09-25T01:04:46.59 10.0 undecidable manual SG 68 0.2886 0.49 0.3
--.GRI.Z. 1999-09-25T01:04:41.14 10.0 positive manual PG 68 0.2886 -0.16 3.1
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