Earthquake with magnitude of ML 0.7 on date 07-08-2011 and time 09:31:02 (Italy) in region 2 km SW Tripi (ME)

A magnitude ML 0.7 earthquake occured in region: 2 km SW Tripi (ME), on

  • 07-08-2011 07:31:02 (UTC)
  • 07-08-2011 09:31:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0400, 15.0760 at 6 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
Tripi ME 2 873 873
Basicò ME 3 612 1485
Montalbano Elicona ME 6 2287 3772
Novara di Sicilia ME 6 1337 5109
Mazzarrà Sant'Andrea ME 8 1531 6640
Furnari ME 9 3784 10424
Falcone ME 9 2808 13232
San Piero Patti ME 10 2915 16147
Oliveri ME 10 2181 18328
Fondachelli-Fantina ME 10 1019 19347
Rodì Milici ME 12 2056 21403
Librizzi ME 12 1660 23063
Roccella Valdemone ME 13 666 23729
Terme Vigliatore ME 13 7395 31124
Malvagna ME 14 733 31857
Castroreale ME 14 2504 34361
Raccuja ME 15 1041 35402
Patti ME 15 13431 48833
Montagnareale ME 15 1615 50448
Floresta ME 16 485 50933
Moio Alcantara ME 16 717 51650
Francavilla di Sicilia ME 16 3945 55595
Antillo ME 17 919 56514
Santa Domenica Vittoria ME 17 980 57494
Ucria ME 17 1058 58552
Barcellona Pozzo di Gotto ME 17 41583 100135
Castiglione di Sicilia CT 18 3215 103350
Motta Camastra ME 18 845 104195
Sant'Angelo di Brolo ME 19 3090 107285

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of Messina (238439 inhabitants)
48 Km N of Acireale (52622 inhabitants)
50 Km W of Reggio di Calabria (183035 inhabitants)
60 Km N of Catania (314555 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 1.7
ML 0.7
2011-08-07
07:31:02
38.04 15.076 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1269479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-07 07:31:02 ± 0.14
Latitude 38.0400 ± 0.0072
Longitude 15.0760 ± 0.0034
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1269479

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 739
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 854.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.17447
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1269479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:03:31

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1269479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:03:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMME.HHN. 2011-08-07T07:31:09.96 0.1 undecidable manual Sg 127 19.3695 0.113 97
IV.MUCR.HHE. 2011-08-07T07:31:09.36 0.1 undecidable manual Sg 271 17.6712 0.095 97
IV.MCSR.HHN. 2011-08-07T07:31:08.23 0.1 undecidable manual Sg 78 13.7751 0.21 96
IV.MUCR.HHE. 2011-08-07T07:31:06.49 0.1 undecidable manual Pg 271 17.6712 -0.027 99
IV.MMME.HHN. 2011-08-07T07:31:06.79 0.1 undecidable manual Pg 127 19.3695 -0.065 98
IV.MCSR.HHN. 2011-08-07T07:31:05.63 0.1 undecidable manual Pg 78 13.7751 -0.168 96
IV.NOV.HHZ. 2011-08-07T07:31:05.58 0.1 undecidable manual Sg 104 5.4945 -0.088 99
IV.NOV.HHZ. 2011-08-07T07:31:04.38 0.1 undecidable manual Pg 104 5.4945 -0.06 100
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