Earthquake (volcanic eruption) with magnitude of Md 2.1 on date 16-07-2013 and time 11:34:25 (Italy) in region Isole Eolie (Messina)

A magnitude Md 2.1 (volcanic eruption) earthquake occured in region: Isole Eolie (Messina), on

  • 16-07-2013 09:34:25 (UTC)
  • 16-07-2013 11:34:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7560, 15.3630 at 1 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: volcanic eruption.

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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
65 Km N of Messina (238439 inhabitants)
76 Km NW of Reggio di Calabria (183035 inhabitants)
86 Km W of Lamezia Terme (70714 inhabitants)
98 Km SW of Cosenza (67546 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 2013-07-16
09:34:25
38.7565 15.3627 1 2015-01-20
11:28:04
Bollettino Sismico Italiano INGV 6502471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-07-16 09:34:25 ± 0.27
Latitude 38.7565 ± 0.0216
Longitude 15.3627 ± 0.0127
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type volcanic eruption
Origin ID 6502471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2480
Semi-minor axis of confidence ellipse (meter) 980
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 2480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 345
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.13670
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 3
Type of magnitude Md
Reference to an origin 6502471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-05-16 10:31:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ISTR.HHZ. 2013-07-16T09:34:30.66 0.6 undecidable manual S 283 15.1737 94 0.17 65
IV.STR4.BHZ. 2013-07-16T09:34:29.80 0.6 undecidable manual S 278 13.1757 94 -0.02 68
IV.IST3.HHZ. 2013-07-16T09:34:29.38 0.6 undecidable manual S 293 12.3765 95 -0.15 66
IV.ISTR.HHZ. 2013-07-16T09:34:28.34 0.6 undecidable manual P 283 15.1737 94 0.08 67
IV.STR4.BHZ. 2013-07-16T09:34:27.73 0.3 undecidable manual P 278 13.1757 94 -0.15 99
IV.IST3.HHZ. 2013-07-16T09:34:27.81 0.3 undecidable manual P 293 12.3765 95 0.1 100
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
Waveforms Seismic signals in miniseed + resp format Download