Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 04-07-2009 and time 10:59:11 (UTC) in region 5 km SE Pizzoli (AQ)

A magnitude ML 1.7 earthquake occured in region: 5 km SE Pizzoli (AQ), on

  • 04-07-2009 10:59:11 (UTC)
  • 04-07-2009 12:59:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4050, 13.3400 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.

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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 5 4326 4326
Barete AQ 7 737 5063
L'Aquila AQ 8 69753 74816
Scoppito AQ 8 3727 78543
Cagnano Amiterno AQ 11 1369 79912
Lucoli AQ 13 1011 80923
Tornimparte AQ 13 3187 84110
Capitignano AQ 13 665 84775
Montereale AQ 15 2581 87356
Campotosto AQ 17 542 87898
Fossa AQ 17 721 88619
Ocre AQ 17 1167 89786
Poggio Picenze AQ 19 1136 90922
Crognaleto TE 20 1297 92219
Sant'Eusanio Forconese AQ 20 394 92613

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km NW of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
59 Km E of Terni (111501 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
68 Km NE of Guidonia Montecelio (88673 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
80 Km SE of Foligno (57155 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
92 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 2.1
ML 1.7 		2009-07-04
10:59:11		 42.405 13.34 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 916089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-04 10:59:11 ± 0.11
Latitude 42.4050 ± 0.0072
Longitude 13.3400 ± 0.0097
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 916089

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 816
Semi-minor axis of confidence ellipse (meter) 785
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 1131.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71946
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 916089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:26:26

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 916089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:26:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHN. 2009-07-04T10:59:32.84 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-07-04T10:59:28.00 0.3 undecidable manual Sg 339 51.0156 0.376 65
IV.VCEL.EHZ. 2009-07-04T10:59:25.80 0.1 undecidable manual Sg 91 41.0256 0.83 75
IV.MRB1.HHZ. 2009-07-04T10:59:24.11 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHN. 2009-07-04T10:59:24.73 0.6 undecidable manual Pg 120 79.8645 -0.482 40
IV.FDMO.HHZ. 2009-07-04T10:59:24.15 0.6 undecidable manual Pg 344 73.0713 -0.009 45
IV.TERO.HHZ. 2009-07-04T10:59:22.18 0.3 undecidable manual Sg 42 32.4453 -0.489 65
IV.CERT.HHZ. 2009-07-04T10:59:22.38 0.6 undecidable manual Pg 210 58.497 0.46 42
IV.SAN2.EHZ. 2009-07-04T10:59:21.07 0.1 undecidable manual Sg 349 25.4523 0.257 92
IV.NRCA.SHZ. 2009-07-04T10:59:20.66 0.1 undecidable manual Pg 339 51.0156 -0.101 91
IV.FIAM.HHZ. 2009-07-04T10:59:20.18 0.1 undecidable manual Sg 230 23.754 -0.168 94
IV.VCEL.EHZ. 2009-07-04T10:59:19.48 0.1 undecidable manual Pg 91 41.0256 0.251 90
IV.BULG.HHZ. 2009-07-04T10:59:19.62 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-07-04T10:59:19.06 0.3 undecidable manual Pg 173 42.7239 -0.436 65
IV.TERO.HHZ. 2009-07-04T10:59:17.10 0.1 positive manual Pg 42 32.4453 -0.799 77
IV.FIAM.HHZ. 2009-07-04T10:59:16.60 0.1 undecidable manual Pg 230 23.754 0.041 97
IV.SAN2.EHZ. 2009-07-04T10:59:16.73 0.1 undecidable manual Pg 349 25.4523 -0.099 96
IV.T0104.EHZ. 2009-07-04T10:59:15.53 0.1 undecidable manual Sg 181 4.995 0.168 98
MN.AQU.HHZ. 2009-07-04T10:59:15.56 0.1 undecidable manual Sg 138 7.5813 -0.278 95
IV.T0104.EHZ. 2009-07-04T10:59:13.98 0.1 negative manual Pg 181 4.995 0.298 95
MN.AQU.HHZ. 2009-07-04T10:59:13.98 0.1 negative manual Pg 138 7.5813 0.025 100
IV.VULT.HHN. 2009-07-04T10:59:07.75 10.0 undecidable manual Pg 0 0 0
IV.FAEN.HHN. 2009-07-04T10:59:00.25 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