Earthquake with magnitude of ML 1.2 on date 20-05-2009 and time 02:31:00 (Italy) in region 6 km E Pizzoli (AQ)

A magnitude ML 1.2 earthquake occured in region: 6 km E Pizzoli (AQ), on

  • 20-05-2009 00:31:00 (UTC)
  • 20-05-2009 02:31:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4410, 13.3740 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
Barete AQ 8 737 5063
L'Aquila AQ 10 69753 74816
Capitignano AQ 11 665 75481
Scoppito AQ 12 3727 79208
Cagnano Amiterno AQ 12 1369 80577
Campotosto AQ 13 542 81119
Montereale AQ 14 2581 83700
Crognaleto TE 15 1297 84997
Lucoli AQ 17 1011 86008
Pietracamela TE 18 271 86279
Tornimparte AQ 18 3187 89466
Fano Adriano TE 18 296 89762
Fossa AQ 19 721 90483
Ocre AQ 19 1167 91650
Poggio Picenze AQ 19 1136 92786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km N of L'Aquila (69753 inhabitants)
37 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
66 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km SE of Foligno (57155 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
97 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 2.0
ML 1.2
2009-05-20
00:31:00
42.441 13.374 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 872559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-20 00:31:00 ± 0.08
Latitude 42.4410 ± 0.0045
Longitude 13.3740 ± 0.0085
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 872559

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 490
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63132
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 872559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:34:13

Md:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude Md
Reference to an origin 872559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:34:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FSSB.HHE. 2009-05-20T00:31:47.52 10.0 undecidable manual Sg 0 0 0
NI.VINO.HHZ. 2009-05-20T00:31:40.11 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHE. 2009-05-20T00:31:25.80 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2009-05-20T00:31:23.05 0.1 undecidable manual Sg 341 70.0743 0.764 73
IV.INTR.HHE. 2009-05-20T00:31:21.86 0.3 undecidable manual Sg 137 64.5909 1.038 49
IV.NRCA.HHN. 2009-05-20T00:31:16.42 0.6 undecidable manual Sg 334 48.4182 -0.091 46
IV.FDMO.HHN. 2009-05-20T00:31:13.22 0.3 undecidable manual Pg 341 70.0743 -0.047 67
IV.LNSS.HHN. 2009-05-20T00:31:12.31 0.6 undecidable manual Sg 303 32.6451 0.007 48
IV.INTR.HHE. 2009-05-20T00:31:12.51 0.1 undecidable manual Pg 137 64.5909 0.089 90
IV.MNS.HHZ. 2009-05-20T00:31:11.54 0.6 undecidable manual Pg 264 57.0984 0.272 44
IV.TERO.HHE. 2009-05-20T00:31:10.10 0.3 undecidable manual Sg 43 27.5502 -0.841 57
IV.VCEL.EHN. 2009-05-20T00:31:09.10 0.3 undecidable manual Pg 98 38.5281 0.689 60
IV.NRCA.HHN. 2009-05-20T00:31:09.64 0.1 undecidable manual Pg 334 48.4182 -0.292 89
IV.LNSS.HHN. 2009-05-20T00:31:07.25 0.1 undecidable manual Pg 303 32.6451 -0.253 92
IV.TERO.HHE. 2009-05-20T00:31:06.27 0.1 undecidable manual Pg 43 27.5502 -0.446 89
IV.CAMP.HHZ. 2009-05-20T00:31:06.26 0.1 undecidable manual Sg 15 10.878 0.127 98
IV.FIAM.HHE. 2009-05-20T00:31:06.48 0.1 undecidable manual Pg 228 28.4493 -0.382 90
IV.FAGN.HHE. 2009-05-20T00:31:06.25 0.3 undecidable manual Pg 138 25.9518 -0.22 70
IV.T0107.HLZ. 2009-05-20T00:31:06.24 0.1 undecidable manual Sg 289 10.9779 0.094 99
IV.T0101.HLZ. 2009-05-20T00:31:06.85 0.1 undecidable manual Sg 206 13.5753 0.004 100
IV.T0104.EHN. 2009-05-20T00:31:05.68 0.1 undecidable manual Sg 198 9.4794 -0.109 99
MN.AQU.HHZ. 2009-05-20T00:31:05.65 0.1 undecidable manual Sg 167 9.9789 -0.25 96
IV.T0101.HLZ. 2009-05-20T00:31:04.38 0.1 undecidable manual Pg 206 13.5753 0.028 100
IV.CAMP.HHZ. 2009-05-20T00:31:04.09 0.1 undecidable manual Pg 15 10.878 0.15 98
IV.T0107.HLZ. 2009-05-20T00:31:04.11 0.1 undecidable manual Pg 289 10.9779 0.162 97
MN.AQU.HHZ. 2009-05-20T00:31:03.77 0.1 undecidable manual Pg 167 9.9789 -0.036 100
IV.T0104.EHN. 2009-05-20T00:31:03.83 0.1 undecidable manual Pg 198 9.4794 0.088 99
IV.FSSB.HHE. 2009-05-20T00:31:01.84 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