Earthquake with magnitude of Md 2.1 on date 09-08-2004 and time 19:06:03 (Italy) in region 8 km NE Pizzoli (AQ)

A magnitude Md 2.1 earthquake occured in region: 8 km NE Pizzoli (AQ), on

  • 09-08-2004 17:06:03 (UTC)
  • 09-08-2004 19:06:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4740, 13.3830 at 20 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
Pizzoli AQ 8 4326 4326
Capitignano AQ 9 665 4991
Barete AQ 9 737 5728
Campotosto AQ 9 542 6270
Crognaleto TE 12 1297 7567
Montereale AQ 13 2581 10148
Cagnano Amiterno AQ 13 1369 11517
L'Aquila AQ 14 69753 81270
Pietracamela TE 15 271 81541
Scoppito AQ 15 3727 85268
Fano Adriano TE 15 296 85564
Amatrice RI 19 2657 88221
Cortino TE 20 656 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km N of L'Aquila (69753 inhabitants)
34 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
66 Km W of Chieti (51815 inhabitants)
68 Km W of Pescara (121014 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
98 Km NE of Roma (2864731 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 2004-08-09
17:06:03
42.474 13.383 20 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 502929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-08-09 17:06:03 ± 0.246
Latitude 42.4740 ± 0.0086
Longitude 13.3830 ± 0.0134
Depth (km) 20 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 502929

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) 1458.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00534
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 502929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:01:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.INTR.E. 2004-08-09T17:06:24.45 10.0 undecidable manual SG 140 0.5883 -0.26 0.4
--.MNS.Z. 2004-08-09T17:06:21.79 10.0 undecidable manual SG 260 0.5217 -0.52 0.1
--.NRCA.Z. 2004-08-09T17:06:18.28 10.0 undecidable manual SG 331 0.3996 -0.44 0.2
--.INTR.Z. 2004-08-09T17:06:15.21 10.0 undecidable manual PG 140 0.5883 -0.41 0.5
--.MNS.Z. 2004-08-09T17:06:14.59 10.0 undecidable manual PG 260 0.5217 0.36 0.7
--.TERO.N. 2004-08-09T17:06:12.92 10.0 undecidable manual SG 47 0.2109 -0.26 0.5
--.NRCA.Z. 2004-08-09T17:06:12.70 10.0 negative manual PG 331 0.3996 -0.09 3.3
--.AQU.Z. 2004-08-09T17:06:10.61 10.0 undecidable manual SG 173 0.1221 -0.24 0.5
--.TERO.Z. 2004-08-09T17:06:09.13 10.0 negative manual PG 47 0.2109 0.17 3
--.AQU.Z. 2004-08-09T17:06:08.20 10.0 undecidable manual PG 173 0.1221 0.4 0.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download