Earthquake with magnitude of Md 2.4 on date 17-07-2002 and time 17:32:41 (Italy) in region 6 km W Montemonaco (AP)

A magnitude Md 2.4 earthquake occured in region: 6 km W Montemonaco (AP), on

  • 17-07-2002 15:32:41 (UTC)
  • 17-07-2002 17:32:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.904, 13.259 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
Montemonaco AP 6 604 604
Montefortino FM 8 1178 1782
Castelsantangelo sul Nera MC 9 281 2063
Montegallo AP 9 523 2586
Bolognola MC 11 142 2728
Ussita MC 11 444 3172
Amandola FM 12 3629 6801
Comunanza AP 14 3166 9967
Visso MC 14 1107 11074
Arquata del Tronto AP 15 1178 12252
Sarnano MC 15 3264 15516
Acquacanina MC 16 121 15637
Palmiano AP 16 196 15833
Fiastra MC 17 559 16392
Preci PG 18 724 17116
Norcia PG 18 4957 22073
Roccafluvione AP 18 2010 24083
Montefalcone Appennino FM 19 424 24507
Smerillo FM 19 365 24872
Venarotta AP 19 2066 26938
Acquasanta Terme AP 19 2916 29854
Gualdo MC 19 815 30669

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
63 Km NE of Terni (111501 inhabitants)
74 Km E of Perugia (166134 inhabitants)
82 Km S of Ancona (100861 inhabitants)
85 Km NW of Montesilvano (53738 inhabitants)
92 Km NW of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 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 2002-07-17
15:32:41
42.904 13.259 25 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 445469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-07-17 15:32:41 ± 0.118
Latitude 42.9040 ± 0.0057
Longitude 13.2590 ± 0.0131
Depth (km) 25 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 445469

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) 1242
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 240
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00599
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 445469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:01:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ARV.Z. 2002-07-17T15:33:04.44 10.0 undecidable manual SN 338 0.0057 0.2 0.2
--.MNS.Z. 2002-07-17T15:33:04.97 10.0 undecidable manual SN 219 0.006 -0.09 0.4
--.ASS.Z. 2002-07-17T15:32:59.25 10.0 undecidable manual SG 289 0.0042 -0.11 0.5
--.MNS.Z. 2002-07-17T15:32:55.18 10.0 undecidable manual PN 219 0.006 0.07 1.2
--.ARV.Z. 2002-07-17T15:32:54.58 10.0 undecidable manual PN 338 0.0057 -0.06 1.3
--.ASS.Z. 2002-07-17T15:32:51.80 10.0 undecidable manual PG 289 0.0042 -0.02 1.7
--.NRCA.Z. 2002-07-17T15:32:50.81 10.0 undecidable manual SG 236 0.0011 0.34 0
--.NRCA.Z. 2002-07-17T15:32:46.60 10.0 positive manual PG 236 0.0011 -0.08 2.7
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