Earthquake with magnitude of Md 2.1 on date 26-07-2002 and time 15:38:04 (UTC) in region 5 km SE Genga (AN)

A magnitude Md 2.1 earthquake occured in region: 5 km SE Genga (AN), on

  • 26-07-2002 15:38:04 (UTC)
  • 26-07-2002 17:38:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.394, 12.979 at 4 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
Genga AN 5 1797 1797
Serra San Quirico AN 7 2850 4647
Cerreto d'Esi AN 8 3817 8464
Poggio San Vicino MC 8 246 8710
Fabriano AN 9 31480 40190
Mergo AN 10 1037 41227
Sassoferrato AN 11 7285 48512
Arcevia AN 12 4612 53124
Rosora AN 12 1985 55109
Apiro MC 12 2280 57389
Cupramontana AN 13 4756 62145
Castelplanio AN 14 3540 65685
Maiolati Spontini AN 15 6248 71933
Matelica MC 15 9981 81914
Poggio San Marcello AN 15 693 82607
Esanatoglia MC 16 2034 84641
Monte Roberto AN 16 3061 87702
Montecarotto AN 16 1987 89689
San Paolo di Jesi AN 17 933 90622
Castelbellino AN 17 4947 95569
Serra de' Conti AN 17 3746 99315
Staffolo AN 17 2253 101568
Gagliole MC 19 620 102188
Cingoli MC 19 10352 112540

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km S of Fano (60888 inhabitants)
50 Km W of Ancona (100861 inhabitants)
54 Km NE of Foligno (57155 inhabitants)
57 Km NE of Perugia (166134 inhabitants)
58 Km S of Pesaro (94582 inhabitants)
81 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
96 Km N of Terni (111501 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 2.1
ML-VAX 1.9
2002-07-26
15:38:04
43.394 12.979 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 445999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-07-26 15:38:04 ± 0.143
Latitude 43.3940 ± 0.0062
Longitude 12.9790 ± 0.0238
Depth (km) 4 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 445999

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) 2040.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.0051
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 445999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:01:53

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 445999
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 Takeoff_angle Residual Weight
--.ASS.Z. 2002-07-26T15:38:19.93 10.0 undecidable manual SG 215 0.0036 -0.03 0.6
--.NRCA.Z. 2002-07-26T15:38:16.48 10.0 undecidable manual PG 170 0.0051 -0.01 1.3
--.FSSB.Z. 2002-07-26T15:38:16.85 10.0 undecidable manual SG 333 0.0029 -0.21 0.5
--.ASS.Z. 2002-07-26T15:38:13.38 10.0 undecidable manual PG 215 0.0036 0.09 1.5
--.FSSB.E. 2002-07-26T15:38:12.70 10.0 undecidable manual PG 333 0.0029 0.45 0.3
--.ARV.Z. 2002-07-26T15:38:08.75 10.0 undecidable manual SG 346 0.001 0.17 0.6
--.ARV.Z. 2002-07-26T15:38:06.49 10.0 positive manual PG 346 0.001 -0.23 2.2
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