Earthquake with magnitude of Md 2.4 on date 24-11-1999 and time 19:44:05 (Italy) in region 5 km S Bolognola (MC)

A magnitude Md 2.4 earthquake occured in region: 5 km S Bolognola (MC), on

  • 24-11-1999 18:44:05 (UTC)
  • 24-11-1999 19:44:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9500, 13.2280 at 25 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
Bolognola MC 5 142 142
Ussita MC 7 444 586
Castelsantangelo sul Nera MC 9 281 867
Montefortino FM 9 1178 2045
Montemonaco AP 10 604 2649
Acquacanina MC 10 121 2770
Amandola FM 11 3629 6399
Fiastra MC 11 559 6958
Sarnano MC 11 3264 10222
Visso MC 12 1107 11329
Montegallo AP 15 523 11852
Fiordimonte MC 15 202 12054
Comunanza AP 15 3166 15220
Gualdo MC 16 815 16035
Pievebovigliana MC 17 866 16901
Preci PG 17 724 17625
Pieve Torina MC 18 1458 19083
Cessapalombo MC 18 512 19595
Smerillo FM 19 365 19960
Monte Cavallo MC 19 145 20105
San Ginesio MC 19 3498 23603
Montefalcone Appennino FM 19 424 24027
Monte San Martino MC 20 765 24792
Palmiano AP 20 196 24988
Penna San Giovanni MC 20 1108 26096

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
68 Km N of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
97 Km NW of Pescara (121014 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 1999-11-24
18:44:05
42.95 13.228 25 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 377309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-11-24 18:44:05 ± 0.252
Latitude 42.9500 ± 0.0086
Longitude 13.2280 ± 0.0297
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 377309

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) 2602.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 236
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00623
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 377309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:54:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1999-11-24T18:44:30.80 10.0 undecidable manual SN 215 0.6882 0.23 0.4
--.ARV.Z. 1999-11-24T18:44:27.37 10.0 undecidable manual SG 339 0.5883 0.36 0.3
--.ASS.Z. 1999-11-24T18:44:22.80 10.0 undecidable manual SG 285 0.4329 -0.38 0.3
--.SNTG.Z. 1999-11-24T18:44:20.74 10.0 undecidable manual SG 325 0.3663 0.22 0.6
--.MNS.Z. 1999-11-24T18:44:19.54 10.0 undecidable manual PN 215 0.6882 -0.1 1.5
--.ARV.Z. 1999-11-24T18:44:17.68 10.0 undecidable manual PG 339 0.5883 -0.33 0.9
--.ASS.Z. 1999-11-24T18:44:15.67 10.0 undecidable manual PG 285 0.4329 0.3 1.1
--.NRCA.Z. 1999-11-24T18:44:15.50 10.0 undecidable manual SG 215 0.1443 0.63 0.1
--.SNTG.Z. 1999-11-24T18:44:14.19 10.0 undecidable manual PG 325 0.3663 -0.07 1.9
--.NRCA.Z. 1999-11-24T18:44:10.78 10.0 negative manual PG 215 0.1443 -0.22 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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