Earthquake with magnitude of ML 1.8 on date 09-04-2009 and time 03:52:35 (Italy) in region 11 km S Crognaleto (TE)

A magnitude ML 1.8 earthquake occured in region: 11 km S Crognaleto (TE), on

  • 09-04-2009 01:52:35 (UTC)
  • 09-04-2009 03:52:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4530, 13.4510 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
Crognaleto TE 11 1297 1297
Pietracamela TE 12 271 1568
L'Aquila AQ 12 69753 71321
Pizzoli AQ 13 4326 75647
Fano Adriano TE 13 296 75943
Campotosto AQ 13 542 76485
Barete AQ 14 737 77222
Capitignano AQ 14 665 77887
Poggio Picenze AQ 16 1136 79023
Fossa AQ 18 721 79744
Barisciano AQ 18 1828 81572
Isola del Gran Sasso d'Italia TE 18 4773 86345
Scoppito AQ 18 3727 90072
Cagnano Amiterno AQ 19 1369 91441
Montereale AQ 19 2581 94022
Ocre AQ 19 1167 95189
Sant'Eusanio Forconese AQ 19 394 95583
Tossicia TE 19 1406 96989
Cortino TE 19 656 97645

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NE of L'Aquila (69753 inhabitants)
31 Km SW of Teramo (54892 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
60 Km W of Chieti (51815 inhabitants)
63 Km W of Pescara (121014 inhabitants)
67 Km E of Terni (111501 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Foligno (57155 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
ML 1.8 2009-04-09
01:52:35
42.453 13.451 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 777239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-09 01:52:35 ± 0.07
Latitude 42.4530 ± 0.0036
Longitude 13.4510 ± 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 777239

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 523
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
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) 74
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.45416
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 777239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:42:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2009-04-09T01:52:51.82 0.3 undecidable manual Sg 327 50.4162 -0.042 71
IV.LNSS.HHZ. 2009-04-09T01:52:48.49 0.3 undecidable manual Sg 296 37.4292 0.072 72
IV.VCEL.EHZ. 2009-04-09T01:52:47.68 0.6 undecidable manual Sg 101 32.5452 0.583 43
IV.NRCA.HHE. 2009-04-09T01:52:44.80 0.3 undecidable manual Pg 327 50.4162 -0.195 68
.TERO.---. 2009-04-09T01:52:43.76 0.3 undecidable manual Sg 33 22.5552 -0.364 69
.FAGN.HHE. 2009-04-09T01:52:43.99 0.3 undecidable manual Sg 152 23.4543 -0.405 69
IV.VCEL.EHZ. 2009-04-09T01:52:42.19 0.1 undecidable manual Pg 101 32.5452 -0.054 97
IV.LNSS.HHZ. 2009-04-09T01:52:42.78 0.1 undecidable manual Pg 296 37.4292 -0.227 93
.T0104.EHE. 2009-04-09T01:52:41.33 0.3 undecidable manual Sg 222 13.875 -0.124 74
IV.CAMP.HHE. 2009-04-09T01:52:40.48 0.1 undecidable manual Sg 339 9.7791 0.118 100
.TERO.---. 2009-04-09T01:52:40.50 0.1 undecidable manual Pg 33 22.5552 -0.027 99
MN.AQU.HHZ. 2009-04-09T01:52:40.79 0.3 undecidable manual Sg 200 11.6772 -0.065 75
.FAGN.HHE. 2009-04-09T01:52:40.97 0.3 undecidable manual Pg 152 23.4543 0.286 70
.T0104.EHE. 2009-04-09T01:52:39.05 0.1 undecidable manual Pg 222 13.875 0.064 100
MN.AQU.HHZ. 2009-04-09T01:52:38.79 0.1 undecidable manual Pg 200 11.6772 0.15 99
IV.CAMP.HHE. 2009-04-09T01:52:38.66 0.1 undecidable manual Pg 339 9.7791 0.305 96
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