Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 19-04-2009 and time 16:56:15 (Italy) in region 7 km S Campotosto (AQ)

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

  • 19-04-2009 14:56:15 (UTC)
  • 19-04-2009 16:56:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5020, 13.3930 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
Campotosto AQ 7 542 542
Capitignano AQ 8 665 1207
Crognaleto TE 9 1297 2504
Barete AQ 11 737 3241
Pizzoli AQ 11 4326 7567
Montereale AQ 12 2581 10148
Fano Adriano TE 13 296 10444
Pietracamela TE 14 271 10715
Cagnano Amiterno AQ 15 1369 12084
Cortino TE 16 656 12740
Amatrice RI 17 2657 15397
L'Aquila AQ 17 69753 85150
Scoppito AQ 18 3727 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of L'Aquila (69753 inhabitants)
31 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
66 Km W of Chieti (51815 inhabitants)
68 Km W of Pescara (121014 inhabitants)
76 Km SE of Foligno (57155 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
78 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 2.3
ML 2.0 		2009-04-19
14:56:15		 42.502 13.393 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 821989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-19 14:56:15 ± 0.06
Latitude 42.5020 ± 0.0036
Longitude 13.3930 ± 0.0061
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 821989

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 590
Semi-minor axis of confidence ellipse (meter) 305
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 25
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) 0.76262
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 821989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:34:53

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 821989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:34:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHN. 2009-04-19T14:56:50.06 10.0 undecidable manual Sg 0 0 0
IV.PIEI.HHN. 2009-04-19T14:56:41.06 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHZ. 2009-04-19T14:56:37.40 0.3 undecidable manual Sg 325 68.5758 0.607 58
IV.INTR.HHE. 2009-04-19T14:56:37.57 0.3 undecidable manual Sg 142 68.6757 0.729 55
IV.FDMO.HHN. 2009-04-19T14:56:36.13 0.3 undecidable manual Sg 337 64.2912 0.46 61
IV.MURB.HHN. 2009-04-19T14:56:35.56 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-19T14:56:34.27 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-19T14:56:33.91 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-04-19T14:56:32.22 10.0 undecidable manual Sg 0 0 0
IV.ASSB.HHZ. 2009-04-19T14:56:30.11 0.6 undecidable manual Pg 315 84.6486 -0.275 41
IV.NRCA.HHZ. 2009-04-19T14:56:29.82 0.1 undecidable manual Sg 328 43.2234 -0.224 90
IV.LPEL.HHZ. 2009-04-19T14:56:29.92 0.3 undecidable manual Pg 128 82.1511 -0.077 64
IV.VVLD.HHZ. 2009-04-19T14:56:28.67 0.3 undecidable manual Pg 165 72.6717 0.147 65
IV.CERT.HHZ. 2009-04-19T14:56:28.15 0.3 undecidable manual Pg 209 69.9744 0.03 67
IV.CESI.HHZ. 2009-04-19T14:56:27.71 0.1 undecidable manual Pg 325 68.5758 -0.183 86
IV.INTR.HHE. 2009-04-19T14:56:27.93 0.1 undecidable manual Pg 142 68.6757 0.007 89
IV.CESX.HHZ. 2009-04-19T14:56:27.59 0.1 undecidable manual Pg 281 67.4769 -0.143 87
IV.FDMO.HHN. 2009-04-19T14:56:27.14 0.1 undecidable manual Pg 337 64.2912 -0.105 88
IV.GUMA.HHN. 2009-04-19T14:56:27.29 0.3 undecidable manual Pg 356 62.3931 0.34 63
IV.PTQR.SHZ. 2009-04-19T14:56:26.14 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHE. 2009-04-19T14:56:26.30 0.1 undecidable manual Pg 258 59.6958 -0.227 87
IV.FAGN.HHZ. 2009-04-19T14:56:26.42 0.1 undecidable manual Sg 149 30.5472 -0.217 92
IV.OFFI.HHN. 2009-04-19T14:56:26.87 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2009-04-19T14:56:23.21 0.1 undecidable manual Pg 108 38.5281 -0.059 94
IV.TERO.HHZ. 2009-04-19T14:56:23.72 0.1 undecidable manual Sg 52 21.867 -0.322 91
IV.NRCA.HHZ. 2009-04-19T14:56:23.80 0.1 undecidable manual Pg 328 43.2234 -0.197 90
MN.AQU.HHZ. 2009-04-19T14:56:22.27 0.1 undecidable manual Sg 177 16.3725 -0.088 97
IV.FIAM.HHE. 2009-04-19T14:56:22.52 0.1 undecidable manual Pg 221 34.3434 -0.11 93
IV.FAGN.HHZ. 2009-04-19T14:56:21.91 0.1 undecidable manual Pg 149 30.5472 -0.122 94
IV.TERO.HHZ. 2009-04-19T14:56:20.51 0.1 undecidable manual Pg 52 21.867 -0.02 97
IV.CAMP.HHZ. 2009-04-19T14:56:19.41 0.1 undecidable manual Sg 19 3.996 0.025 100
MN.AQU.HHZ. 2009-04-19T14:56:19.80 0.1 undecidable manual Pg 177 16.3725 0.241 94
IV.CAMP.HHZ. 2009-04-19T14:56:18.20 0.1 undecidable manual Pg 19 3.996 0.355 93
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