Earthquake with magnitude of ML 0.4 on date 01-09-2009 and time 23:50:33 (Italy) in region 7 km E Pizzoli (AQ)

A magnitude ML 0.4 earthquake occured in region: 7 km E Pizzoli (AQ), on

  • 01-09-2009 21:50:33 (UTC)
  • 01-09-2009 23:50:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4250, 13.3840 at 5 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 7 4326 4326
L'Aquila AQ 8 69753 74079
Barete AQ 9 737 74816
Scoppito AQ 12 3727 78543
Capitignano AQ 13 665 79208
Cagnano Amiterno AQ 14 1369 80577
Campotosto AQ 15 542 81119
Lucoli AQ 15 1011 82130
Crognaleto TE 16 1297 83427
Montereale AQ 16 2581 86008
Tornimparte AQ 16 3187 89195
Fossa AQ 17 721 89916
Ocre AQ 17 1167 91083
Poggio Picenze AQ 17 1136 92219
Pietracamela TE 18 271 92490
Fano Adriano TE 19 296 92786
Sant'Eusanio Forconese AQ 19 394 93180

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of L'Aquila (69753 inhabitants)
37 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
65 Km W of Chieti (51815 inhabitants)
68 Km W of Pescara (121014 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km SE of Foligno (57155 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
96 Km NE of Velletri (53303 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 1.5
ML 0.4
2009-09-01
21:50:33
42.425 13.384 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 959819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-09-01 21:50:33 ± 0.18
Latitude 42.4250 ± 0.0063
Longitude 13.3840 ± 0.0171
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 959819

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1368
Semi-minor axis of confidence ellipse (meter) 684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 1565.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
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) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 959819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:19:49

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 959819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:19:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHE. 2009-09-01T21:50:43.03 0.6 undecidable manual Sg 232 27.9498 -0.108 48
IV.SMA1.EHN. 2009-09-01T21:50:40.84 0.6 undecidable manual Sg 350 23.1546 -0.658 42
IV.SMA1.EHN. 2009-09-01T21:50:38.62 0.3 undecidable manual Pg 350 23.1546 0.586 65
IV.FIAM.HHE. 2009-09-01T21:50:38.83 0.3 undecidable manual Pg 232 27.9498 -0.148 72
MN.AQU.HHZ. 2009-09-01T21:50:36.44 0.3 undecidable manual Sg 169 7.9809 -0.133 74
IV.T0104.EHZ. 2009-09-01T21:50:36.75 0.3 undecidable manual Sg 207 8.0808 0.151 74
MN.AQU.HHZ. 2009-09-01T21:50:35.09 0.1 undecidable manual Pg 169 7.9809 -0.09 100
IV.T0104.EHZ. 2009-09-01T21:50:35.31 0.1 undecidable manual Pg 207 8.0808 0.112 100
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