Earthquake with magnitude of ML 1.0 on date 04-07-2009 and time 11:51:57 (UTC) in region 6 km E Pizzoli (AQ)

A magnitude ML 1.0 earthquake occured in region: 6 km E Pizzoli (AQ), on

  • 04-07-2009 11:51:57 (UTC)
  • 04-07-2009 13:51:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4130, 13.3620 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 6 4326 4326
L'Aquila AQ 7 69753 74079
Barete AQ 8 737 74816
Scoppito AQ 10 3727 78543
Cagnano Amiterno AQ 12 1369 79912
Capitignano AQ 13 665 80577
Lucoli AQ 14 1011 81588
Tornimparte AQ 14 3187 84775
Montereale AQ 16 2581 87356
Campotosto AQ 16 542 87898
Fossa AQ 17 721 88619
Ocre AQ 17 1167 89786
Crognaleto TE 18 1297 91083
Poggio Picenze AQ 18 1136 92219
Sant'Eusanio Forconese AQ 19 394 92613

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
67 Km W of Chieti (51815 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Pescara (121014 inhabitants)
81 Km SE of Foligno (57155 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
94 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 1.6
ML 1.0
2009-07-04
11:51:57
42.413 13.362 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 916159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-04 11:51:57 ± 0.12
Latitude 42.4130 ± 0.0090
Longitude 13.3620 ± 0.0122
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 916159

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1050
Semi-minor axis of confidence ellipse (meter) 885
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 157
Circular confidence region, given by single value of horizontal uncertainty (meter) 1414.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
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) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45775
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:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 916159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:26:31

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 916159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:26:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHN. 2009-07-04T11:52:13.58 0.6 undecidable manual Sg 337 50.8158 0.313 43
IV.VCEL.EHZ. 2009-07-04T11:52:11.08 0.1 undecidable manual Sg 93 39.3273 0.897 72
IV.TERO.HHE. 2009-07-04T11:52:07.04 0.1 undecidable manual Sg 40 30.5472 -0.817 76
IV.FIAM.HHZ. 2009-07-04T11:52:06.30 0.1 undecidable manual Sg 231 25.6521 -0.248 92
IV.NRCA.HHN. 2009-07-04T11:52:06.48 0.6 undecidable manual Pg 337 50.8158 0.068 46
IV.SAN2.EHE. 2009-07-04T11:52:06.69 0.1 undecidable manual Sg 345 25.0527 0.311 91
IV.FSSB.HHZ. 2009-07-04T11:52:05.15 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2009-07-04T11:52:04.52 0.1 undecidable manual Pg 93 39.3273 -0.112 92
IV.FIAM.HHZ. 2009-07-04T11:52:02.48 0.1 undecidable manual Pg 231 25.6521 -0.054 96
IV.SAN2.EHE. 2009-07-04T11:52:02.65 0.1 undecidable manual Pg 345 25.0527 0.218 93
IV.TERO.HHE. 2009-07-04T11:52:02.81 0.1 undecidable manual Pg 40 30.5472 -0.481 87
IV.T0104.EHE. 2009-07-04T11:52:01.21 0.1 undecidable manual Sg 198 6.1938 0.009 100
MN.AQU.HHN. 2009-07-04T11:52:01.25 0.1 undecidable manual Sg 153 7.2927 -0.172 97
IV.T0104.EHE. 2009-07-04T11:51:59.66 0.1 negative manual Pg 198 6.1938 0.213 96
MN.AQU.HHN. 2009-07-04T11:51:59.66 0.1 negative manual Pg 153 7.2927 0.086 98
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