Earthquake with magnitude of ML 1.5 on date 09-08-2009 and time 18:56:41 (UTC) in region 6 km NW Montereale (AQ)

A magnitude ML 1.5 earthquake occured in region: 6 km NW Montereale (AQ), on

  • 09-08-2009 18:56:41 (UTC)
  • 09-08-2009 20:56:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5710, 13.2030 at 11 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
Montereale AQ 6 2581 2581
Cittareale RI 6 482 3063
Borbona RI 9 617 3680
Amatrice RI 10 2657 6337
Capitignano AQ 10 665 7002
Posta RI 10 694 7696
Cagnano Amiterno AQ 13 1369 9065
Campotosto AQ 14 542 9607
Accumoli RI 14 667 10274
Barete AQ 15 737 11011
Pizzoli AQ 17 4326 15337
Micigliano RI 18 127 15464
Leonessa RI 20 2435 17899
Antrodoco RI 20 2588 20487

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
96 Km NE of Roma (2864731 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 1.9
ML 1.5
2009-08-09
18:56:41
42.571 13.203 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 945569
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-09 18:56:41 ± 0.13
Latitude 42.5710 ± 0.0063
Longitude 13.2030 ± 0.0122
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 945569

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 940
Semi-minor axis of confidence ellipse (meter) 638
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50182
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 945569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:02:14

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 945569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:02:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHN. 2009-08-09T18:56:58.39 0.6 undecidable manual Sg 350 52.503 0.702 40
IV.TERO.HHZ. 2009-08-09T18:56:52.37 0.3 undecidable manual Sg 80 33.2445 -0.184 72
IV.FIAM.HHN. 2009-08-09T18:56:52.94 0.6 undecidable manual Sg 192 34.3434 0.094 49
IV.ESLN.HHN. 2009-08-09T18:56:51.93 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-08-09T18:56:51.34 0.3 undecidable manual Sg 346 30.0477 -0.345 70
IV.VCEL.EHN. 2009-08-09T18:56:51.92 0.6 undecidable manual Pg 110 55.6998 0.73 39
IV.T0104.EHE. 2009-08-09T18:56:50.14 0.6 undecidable manual Sg 155 25.8519 -0.451 46
IV.FDMO.HHN. 2009-08-09T18:56:50.82 0.6 undecidable manual Pg 350 52.503 0.125 47
GU.FINB.HHE. 2009-08-09T18:56:48.36 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-08-09T18:56:47.09 0.3 undecidable manual Pg 346 30.0477 -0.137 73
IV.LNSS.HHZ. 2009-08-09T18:56:47.02 0.1 undecidable manual Sg 285 13.7751 -0.166 99
IV.TERO.HHZ. 2009-08-09T18:56:47.64 0.3 undecidable manual Pg 80 33.2445 -0.088 73
IV.FIAM.HHN. 2009-08-09T18:56:47.98 0.3 undecidable manual Pg 192 34.3434 0.079 73
IV.T0104.EHE. 2009-08-09T18:56:46.67 0.6 undecidable manual Pg 155 25.8519 0.074 49
IV.LNSS.HHZ. 2009-08-09T18:56:44.76 0.1 undecidable manual Pg 285 13.7751 0.125 100
IV.ILLI.HHZ. 2009-08-09T18:56:34.38 10.0 undecidable manual Pg 0 0 0
IV.SACS.HHZ. 2009-08-09T18:56:23.37 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