Earthquake with magnitude of ML 1.6 on date 24-09-2011 and time 01:47:33 (Italy) in region 3 km E Pizzoli (AQ)

A magnitude ML 1.6 earthquake occured in region: 3 km E Pizzoli (AQ), on

  • 23-09-2011 23:47:33 (UTC)
  • 24-09-2011 01:47:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4230, 13.3340 at 14 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 4 4326 4326
Barete AQ 5 737 5063
Scoppito AQ 9 3727 8790
L'Aquila AQ 10 69753 78543
Cagnano Amiterno AQ 10 1369 79912
Capitignano AQ 11 665 80577
Montereale AQ 13 2581 83158
Lucoli AQ 15 1011 84169
Tornimparte AQ 15 3187 87356
Campotosto AQ 15 542 87898
Crognaleto TE 18 1297 89195
Fossa AQ 19 721 89916
Ocre AQ 19 1167 91083
Borbona RI 19 617 91700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NW of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
79 Km SE of Foligno (57155 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
94 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 2.1
ML 1.6
2011-09-23
23:47:33
42.423 13.334 14 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1289969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-09-23 23:47:33 ± 0.12
Latitude 42.4230 ± 0.0045
Longitude 13.3340 ± 0.0073
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1289969

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 616
Semi-minor axis of confidence ellipse (meter) 311
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66190
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1289969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:32:34

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1289969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:32:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.DIX.HHE. 2011-09-23T23:48:01.92 10.0 undecidable manual Pg 0 0 0
IV.SSFR.HHE. 2011-09-23T23:47:58.93 10.0 undecidable manual Pg 0 0 0
IV.MTCE.HHZ. 2011-09-23T23:47:58.45 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2011-09-23T23:47:56.09 0.3 undecidable manual Sg 332 73.4709 0.542 60
IV.FDMO.HHN. 2011-09-23T23:47:55.33 0.3 undecidable manual Sg 344 70.9734 0.432 62
IV.GUMA.HHE. 2011-09-23T23:47:55.70 0.3 undecidable manual Sg 0 70.9734 0.805 55
IV.CERT.HHN. 2011-09-23T23:47:51.70 0.6 undecidable manual Sg 209 59.9955 -0.258 45
IV.RMP.HHE. 2011-09-23T23:47:47.93 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHN. 2011-09-23T23:47:47.91 0.3 undecidable manual Sg 94 41.625 0.83 58
IV.PTQR.HHN. 2011-09-23T23:47:47.85 0.1 undecidable manual Sg 173 44.8218 -0.065 95
IV.CESI.HHE. 2011-09-23T23:47:46.19 0.3 undecidable manual Pg 332 73.4709 -0.034 68
IV.FDMO.HHN. 2011-09-23T23:47:45.93 0.1 undecidable manual Pg 344 70.9734 0.086 89
IV.GUMA.HHE. 2011-09-23T23:47:45.98 0.1 undecidable manual Pg 0 70.9734 0.132 88
IV.LNSS.HHZ. 2011-09-23T23:47:44.10 0.3 undecidable manual Sg 310 31.2465 -0.211 71
IV.CERT.HHN. 2011-09-23T23:47:44.02 0.3 undecidable manual Pg 209 59.9955 -0.125 69
IV.TERO.HHZ. 2011-09-23T23:47:43.88 0.3 undecidable manual Sg 45 31.3464 -0.455 66
IV.SMA1.EHZ. 2011-09-23T23:47:41.83 0.1 undecidable manual Sg 0 23.0547 -0.338 92
IV.VCEL.EHN. 2011-09-23T23:47:41.56 0.3 undecidable manual Pg 94 41.625 0.234 69
IV.PTQR.HHN. 2011-09-23T23:47:41.62 0.1 undecidable manual Pg 173 44.8218 -0.196 92
MN.AQU.HHZ. 2011-09-23T23:47:39.19 0.3 undecidable manual Sg 142 9.5793 0.205 72
IV.TERO.HHZ. 2011-09-23T23:47:39.38 0.3 undecidable manual Pg 45 31.3464 -0.365 68
IV.CAMP.HHZ. 2011-09-23T23:47:39.64 0.1 undecidable manual Sg 26 13.9749 -0.265 95
IV.LNSS.HHZ. 2011-09-23T23:47:39.51 0.1 undecidable manual Pg 310 31.2465 -0.225 94
IV.T0104.HHN. 2011-09-23T23:47:38.56 0.3 undecidable manual Sg 177 6.993 0.026 75
IV.SMA1.EHZ. 2011-09-23T23:47:38.30 0.1 undecidable manual Pg 0 23.0547 -0.197 95
IV.CAMP.HHZ. 2011-09-23T23:47:37.16 0.1 undecidable manual Pg 26 13.9749 -0.032 100
IV.T0104.HHN. 2011-09-23T23:47:36.47 0.1 undecidable manual Pg 177 6.993 0.071 99
MN.AQU.HHZ. 2011-09-23T23:47:36.73 0.3 undecidable manual Pg 142 9.5793 0.071 74
IV.NRCA.HHE. 2011-09-23T23:47:35.65 10.0 undecidable manual Pg 0 0 0
IV.MMGO.SHZ. 2011-09-23T23:47:20.12 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