Earthquake with magnitude of ML 1.6 on date 09-04-2009 and time 00:53:19 (Italy) in region 2 km SW Pizzoli (AQ)

A magnitude ML 1.6 earthquake occured in region: 2 km SW Pizzoli (AQ), on

  • 08-04-2009 22:53:19 (UTC)
  • 09-04-2009 00:53:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4240, 13.2860 at 11 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 3 737 5063
Scoppito AQ 6 3727 8790
Cagnano Amiterno AQ 6 1369 10159
Capitignano AQ 11 665 10824
Montereale AQ 12 2581 13405
L'Aquila AQ 12 69753 83158
Tornimparte AQ 15 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
Posta RI 19 694 92769
Micigliano RI 19 127 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 SE of Foligno (57155 inhabitants)
76 Km W of Pescara (121014 inhabitants)
89 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 1.8
ML 1.6
2009-04-08
22:53:19
42.424 13.286 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 776389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 22:53:19 ± 0.07
Latitude 42.4240 ± 0.0063
Longitude 13.2860 ± 0.0183
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 776389

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1581
Semi-minor axis of confidence ellipse (meter) 508
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 1655.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44786
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 776389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:34

Md:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 776389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNS.HHZ. 2009-04-08T22:53:36.12 0.6 undecidable manual Sg 265 49.7169 0.802 36
IV.SGG.HHN. 2009-04-08T22:53:35.97 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-08T22:53:34.75 0.3 undecidable manual Sg 343 47.5191 0.029 71
IV.LNSS.HHE. 2009-04-08T22:53:29.52 0.3 undecidable manual Sg 315 28.1496 -0.044 73
IV.NRCA.SHZ. 2009-04-08T22:53:28.29 0.1 undecidable manual Pg 343 47.5191 -0.035 94
IV.MNS.HHZ. 2009-04-08T22:53:28.31 0.1 undecidable manual Pg 265 49.7169 -0.355 89
IV.CAMP.HHZ. 2009-04-08T22:53:26.31 0.3 undecidable manual Sg 39 15.9729 0.016 74
IV.LNSS.HHE. 2009-04-08T22:53:25.24 0.1 undecidable manual Pg 315 28.1496 -0.107 97
MN.AQU.HHZ. 2009-04-08T22:53:25.39 0.3 undecidable manual Sg 129 12.2766 0.054 75
IV.T0108.HLN. 2009-04-08T22:53:25.23 0.3 undecidable manual Sg 143 12.3765 -0.121 74
IV.T0104.EHE. 2009-04-08T22:53:24.31 0.3 undecidable manual Sg 149 8.3805 -0.091 76
IV.CAMP.HHZ. 2009-04-08T22:53:23.59 0.1 undecidable manual Pg 39 15.9729 0.133 99
IV.T0104.EHE. 2009-04-08T22:53:22.43 0.1 undecidable manual Pg 149 8.3805 0.062 100
MN.AQU.HHZ. 2009-04-08T22:53:22.98 0.1 undecidable manual Pg 129 12.2766 0.07 100
IV.T0108.HLN. 2009-04-08T22:53:22.98 0.1 undecidable manual Pg 143 12.3765 0.064 100
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