Earthquake with magnitude of ML 1.5 on date 09-04-2009 and time 01:09:16 (Italy) in region 2 km SW Pizzoli (AQ)

A magnitude ML 1.5 earthquake occured in region: 2 km SW Pizzoli (AQ), on

  • 08-04-2009 23:09:16 (UTC)
  • 09-04-2009 01:09:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4210, 13.2870 at 10 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 2 4326 4326
Barete AQ 4 737 5063
Scoppito AQ 6 3727 8790
Cagnano Amiterno AQ 7 1369 10159
Capitignano AQ 11 665 10824
L'Aquila AQ 12 69753 80577
Montereale AQ 12 2581 83158
Tornimparte AQ 14 3187 86345
Lucoli AQ 15 1011 87356
Borbona RI 16 617 87973
Campotosto AQ 17 542 88515
Antrodoco RI 17 2588 91103
Borgo Velino RI 19 972 92075
Micigliano RI 19 127 92202
Posta RI 19 694 92896

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NW of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
73 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
76 Km SE of Foligno (57155 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
97 Km E of Viterbo (67173 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 2.0
ML 1.5
2009-04-08
23:09:16
42.421 13.287 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 776449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 23:09:16 ± 0.09
Latitude 42.4210 ± 0.0054
Longitude 13.2870 ± 0.0097
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 776449

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 732
Semi-minor axis of confidence ellipse (meter) 598
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 17
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44876
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 776449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:38

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 776449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHN. 2009-04-08T23:09:31.97 0.3 undecidable manual Sg 343 47.9187 0.167 69
.PTQR.---. 2009-04-08T23:09:30.96 0.6 undecidable manual Sg 168 45.2214 -0.142 47
IV.TERO.HHE. 2009-04-08T23:09:27.59 0.3 undecidable manual Sg 49 34.2435 -0.56 65
IV.LNSS.HHN. 2009-04-08T23:09:26.89 0.1 undecidable manual Sg 315 28.5492 0.252 94
IV.NRCA.HHN. 2009-04-08T23:09:25.37 0.3 undecidable manual Pg 343 47.9187 0.062 71
IV.MNS.HHZ. 2009-04-08T23:09:25.39 0.1 undecidable manual Pg 266 49.8168 -0.214 91
.PTQR.---. 2009-04-08T23:09:25.85 0.3 undecidable manual Pg 168 45.2214 0.95 54
IV.FIAM.HHZ. 2009-04-08T23:09:24.08 0.6 undecidable manual Sg 219 21.9669 -0.801 40
IV.CAMP.HHZ. 2009-04-08T23:09:23.05 0.1 undecidable manual Sg 38 16.1727 -0.06 100
MN.AQU.HHN. 2009-04-08T23:09:22.22 0.3 undecidable manual Sg 128 11.9769 0.264 72
IV.LNSS.HHN. 2009-04-08T23:09:22.26 0.1 undecidable manual Pg 315 28.5492 -0.066 98
IV.TERO.HHE. 2009-04-08T23:09:22.93 0.1 undecidable manual Pg 49 34.2435 -0.269 93
IV.FIAM.HHZ. 2009-04-08T23:09:21.30 0.3 undecidable manual Pg 219 21.9669 -0.011 75
IV.CAMP.HHZ. 2009-04-08T23:09:20.50 0.1 undecidable manual Pg 38 16.1727 0.215 97
IV.T0104.EHZ. 2009-04-08T23:09:20.83 0.1 undecidable manual Sg 148 7.9809 -0.168 99
IV.T0104.EHZ. 2009-04-08T23:09:19.24 0.1 undecidable manual Pg 148 7.9809 0.176 99
MN.AQU.HHN. 2009-04-08T23:09:19.63 0.3 undecidable manual Pg 128 11.9769 0.013 76
IV.TDS.SHZ. 2009-04-08T23:09:08.52 10.0 undecidable manual Pg 0 0 0
BA.PZUN.HHN. 2009-04-08T23:08:59.00 10.0 undecidable manual Pg 0 0 0
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