Earthquake with magnitude of Md 2.5 on date 23-01-1999 and time 07:11:16 (UTC) in region 2 km W Chiaravalle (AN)

A magnitude Md 2.5 earthquake occured in region: 2 km W Chiaravalle (AN), on

  • 23-01-1999 07:11:16 (UTC)
  • 23-01-1999 08:11:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5930, 13.3050 at 17 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
Chiaravalle AN 2 14796 14796
Monte San Vito AN 3 6848 21644
Camerata Picena AN 4 2567 24211
Montemarciano AN 5 9992 34203
Monsano AN 5 3405 37608
Morro d'Alba AN 7 1903 39511
Falconara Marittima AN 8 26565 66076
San Marcello AN 8 2057 68133
Agugliano AN 9 4865 72998
Jesi AN 9 40399 113397
Polverigi AN 10 4508 117905
Santa Maria Nuova AN 11 4179 122084
Belvedere Ostrense AN 11 2234 124318
Ostra AN 12 6875 131193
Offagna AN 13 1935 133128
Senigallia AN 15 45027 178155
Castelbellino AN 17 4947 183102
Ancona AN 18 100861 283963
Filottrano AN 18 9499 293462
Monte Roberto AN 18 3061 296523
Trecastelli AN 18 7625 304148
Osimo AN 19 34977 339125
San Paolo di Jesi AN 19 933 340058
Maiolati Spontini AN 20 6248 346306
Ostra Vetere AN 20 3311 349617

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of Ancona (100861 inhabitants)
36 Km SE of Fano (60888 inhabitants)
47 Km SE of Pesaro (94582 inhabitants)
79 Km SE of Rimini (147750 inhabitants)
86 Km NE of Foligno (57155 inhabitants)
92 Km NE of Perugia (166134 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
ML-VAX 1.5
1999-01-23
07:11:16
43.593 13.305 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 358129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-01-23 07:11:16 ± 0.557
Latitude 43.5930 ± 0.0197
Longitude 13.3050 ± 0.0426
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 358129

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) 4073.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 263
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.01158
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 358129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:35:44

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 358129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1999-01-23T07:11:56.14 10.0 undecidable manual SN 200 1.2876 -0.36 0.5
--.PGD.Z. 1999-01-23T07:11:54.11 10.0 undecidable manual SN 284 1.1655 0.31 0.7
--.SFI.Z. 1999-01-23T07:11:52.34 10.0 undecidable manual SN 286 1.0878 0.46 0.6
--.CRE.Z. 1999-01-23T07:11:49.31 10.0 undecidable manual SN 271 0.9657 0.21 0.8
--.NRCA.Z. 1999-01-23T07:11:44.55 10.0 undecidable manual SG 190 0.7659 1.15 0.3
--.MNS.Z. 1999-01-23T07:11:41.20 10.0 undecidable manual PN 200 1.2876 1.38 0.4
--.ASS.Z. 1999-01-23T07:11:40.47 10.0 undecidable manual SG 221 0.7104 -0.99 0.5
--.PGD.Z. 1999-01-23T07:11:38.31 10.0 undecidable manual PN 284 1.1655 0.23 1.8
--.SFI.Z. 1999-01-23T07:11:36.16 10.0 undecidable manual PN 286 1.0878 -0.81 1
--.CRE.Z. 1999-01-23T07:11:34.71 10.0 undecidable manual PN 271 0.9657 -0.66 1.3
--.NRCA.Z. 1999-01-23T07:11:32.70 10.0 undecidable manual PG 190 0.7659 0 2.2
--.SNTG.Z. 1999-01-23T07:11:32.68 10.0 undecidable manual SG 217 0.4218 0.19 0.8
--.FB9.Z. 1999-01-23T07:11:31.77 10.0 undecidable manual SG 284 0.3885 0.4 0.4
--.ASS.Z. 1999-01-23T07:11:29.78 10.0 undecidable manual PG 221 0.7104 -1.17 0.6
--.FB9.Z. 1999-01-23T07:11:25.26 10.0 undecidable manual PG 284 0.3885 0.13 2
--.SNTG.Z. 1999-01-23T07:11:25.95 10.0 undecidable manual PG 217 0.4218 0.18 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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