Earthquake with magnitude of ML 0.1 on date 07-05-2011 and time 04:54:30 (Italy) in region 7 km S Campotosto (AQ)

A magnitude ML 0.1 earthquake occured in region: 7 km S Campotosto (AQ), on

  • 07-05-2011 02:54:30 (UTC)
  • 07-05-2011 04:54:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4950, 13.3830 at 5 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
Capitignano AQ 7 665 1207
Barete AQ 10 737 1944
Pizzoli AQ 10 4326 6270
Crognaleto TE 10 1297 7567
Montereale AQ 12 2581 10148
Cagnano Amiterno AQ 14 1369 11517
Fano Adriano TE 14 296 11813
Pietracamela TE 14 271 12084
L'Aquila AQ 16 69753 81837
Amatrice RI 17 2657 84494
Scoppito AQ 17 3727 88221
Cortino TE 18 656 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of L'Aquila (69753 inhabitants)
32 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
63 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)
76 Km NE of Tivoli (56533 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
100 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 1.2
ML 0.1
2011-05-07
02:54:30
42.495 13.383 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1208739
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-05-07 02:54:30 ± 0.17
Latitude 42.4950 ± 0.0045
Longitude 13.3830 ± 0.0061
Depth (km) 5 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1208739

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 673
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 707.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 291
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.14029
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1208739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:40:31

Md:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1208739
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:40:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMN.HHN. 2011-05-07T02:54:36.06 10.0 undecidable manual Pg 0 0 0
IV.SMA1.EHN. 2011-05-07T02:54:36.18 0.3 undecidable manual Sg 346 15.5733 0.03 100
IV.RM33.EHZ. 2011-05-07T02:54:35.68 0.3 undecidable manual Sg 277 13.875 0.087 99
IV.RM32.EHZ. 2011-05-07T02:54:34.64 0.3 undecidable manual Sg 319 11.0778 -0.073 99
IV.RM33.EHZ. 2011-05-07T02:54:33.37 0.3 undecidable manual Pg 277 13.875 -0.066 99
IV.SMA1.EHN. 2011-05-07T02:54:33.83 0.3 undecidable manual Pg 346 15.5733 0.073 99
IV.RM32.EHZ. 2011-05-07T02:54:32.88 0.3 undecidable manual Pg 319 11.0778 -0.048 100
IV.SAMA.HHZ. 2011-05-07T02:54:10.89 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