Earthquake with magnitude of ML 2.0 on date 20-04-2009 and time 06:39:17 (UTC) in region 7 km SE Campotosto (AQ)

A magnitude ML 2.0 earthquake occured in region: 7 km SE Campotosto (AQ), on

  • 20-04-2009 06:39:17 (UTC)
  • 20-04-2009 08:39:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5000, 13.4050 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
Campotosto AQ 7 542 542
Crognaleto TE 8 1297 1839
Capitignano AQ 9 665 2504
Pizzoli AQ 11 4326 6830
Barete AQ 11 737 7567
Fano Adriano TE 12 296 7863
Pietracamela TE 13 271 8134
Montereale AQ 13 2581 10715
Cagnano Amiterno AQ 15 1369 12084
Cortino TE 16 656 12740
L'Aquila AQ 16 69753 82493
Amatrice RI 17 2657 85150
Scoppito AQ 19 3727 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of L'Aquila (69753 inhabitants)
30 Km SW of Teramo (54892 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
62 Km E of Terni (111501 inhabitants)
65 Km W of Chieti (51815 inhabitants)
67 Km W of Pescara (121014 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
79 Km NE of Guidonia Montecelio (88673 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 2.2
ML 2.0
2009-04-20
06:39:17
42.5 13.405 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 823779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-20 06:39:17 ± 0.07
Latitude 42.5000 ± 0.0036
Longitude 13.4050 ± 0.0073
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 823779

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 382
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 721.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73295
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 823779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:36:58

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 823779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:36:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2009-04-20T06:39:39.18 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-04-20T06:39:39.06 0.3 undecidable manual Sg 324 69.2751 0.555 59
IV.GUMA.HHE. 2009-04-20T06:39:38.54 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHE. 2009-04-20T06:39:37.95 10.0 undecidable manual Sg 0 0 0
IV.FDMO.HHZ. 2009-04-20T06:39:37.56 0.3 undecidable manual Sg 337 64.8906 0.221 65
IV.OFFI.HHE. 2009-04-20T06:39:37.74 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHE. 2009-04-20T06:39:32.97 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-04-20T06:39:31.38 0.1 undecidable manual Sg 327 43.9227 -0.366 87
IV.LPEL.HHN. 2009-04-20T06:39:31.67 0.3 undecidable manual Pg 128 81.3519 0.281 62
IV.CESI.HHE. 2009-04-20T06:39:29.39 0.1 undecidable manual Pg 324 69.2751 -0.139 87
IV.INTR.HHE. 2009-04-20T06:39:29.46 0.1 undecidable manual Pg 143 67.9764 0.127 88
IV.FDMO.HHZ. 2009-04-20T06:39:28.82 0.3 undecidable manual Pg 337 64.8906 -0.036 67
IV.MNS.HHN. 2009-04-20T06:39:27.83 0.3 undecidable manual Pg 258 60.5949 -0.361 64
IV.FAGN.HHZ. 2009-04-20T06:39:27.84 0.3 undecidable manual Sg 150 29.8479 -0.147 70
IV.TERO.HHZ. 2009-04-20T06:39:25.10 0.1 undecidable manual Sg 50 21.2676 -0.278 93
IV.NRCA.HHZ. 2009-04-20T06:39:25.45 0.1 undecidable manual Pg 327 43.9227 -0.178 91
IV.VCEL.EHZ. 2009-04-20T06:39:24.82 0.6 undecidable manual Pg 108 37.5291 0.175 46
IV.FIAM.HHN. 2009-04-20T06:39:24.42 0.3 undecidable manual Pg 223 34.8429 0.189 69
IV.PTQR.SHZ. 2009-04-20T06:39:23.58 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHZ. 2009-04-20T06:39:23.33 0.1 undecidable manual Pg 150 29.8479 -0.126 94
MN.AQU.HHZ. 2009-04-20T06:39:23.43 0.3 undecidable manual Sg 181 16.1727 -0.4 68
IV.TERO.HHZ. 2009-04-20T06:39:22.05 0.1 undecidable manual Pg 50 21.2676 0.101 96
MN.AQU.HHZ. 2009-04-20T06:39:21.37 0.1 undecidable manual Pg 181 16.1727 0.313 93
IV.CAMP.HHZ. 2009-04-20T06:39:20.88 0.1 undecidable manual Sg 5 3.996 -0.042 100
IV.CAMP.HHZ. 2009-04-20T06:39:19.68 0.1 undecidable manual Pg 5 3.996 0.302 95
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