Earthquake with magnitude of ML 1.7 on date 26-05-2011 and time 14:21:13 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.7 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 26-05-2011 12:21:13 (UTC)
  • 26-05-2011 14:21:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4370, 15.7890 at 38 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
Gioia Tauro RC 10 19864 19864
Palmi RC 10 18930 38794
San Ferdinando RC 12 4490 43284
Seminara RC 13 2811 46095
Rizziconi RC 15 7829 53924
Bagnara Calabra RC 17 10255 64179
MelicuccĂ  RC 17 930 65109
Nicotera VV 17 6290 71399
Rosarno RC 18 14841 86240
Joppolo VV 19 1926 88166
San Procopio RC 19 534 88700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Messina (238439 inhabitants)
39 Km NE of Reggio di Calabria (183035 inhabitants)
76 Km SW of Lamezia Terme (70714 inhabitants)
87 Km SW of Catanzaro (90612 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 1.8
ML 1.7
2011-05-26
12:21:13
38.437 15.789 38 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1222159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-05-26 12:21:13 ± 0.17
Latitude 38.4370 ± 0.0090
Longitude 15.7890 ± 0.0149
Depth (km) 38 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1222159

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1212
Semi-minor axis of confidence ellipse (meter) 1046
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 1640.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.87954
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1222159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:58:45

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1222159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:58:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HHZ. 2011-05-26T12:21:35.74 10.0 undecidable manual Pg 0 0 0
IV.MPAZ.HHZ. 2011-05-26T12:21:33.03 0.6 undecidable manual Sg 160 56.8986 0.3 44
IV.SOI.EHZ. 2011-05-26T12:21:30.18 0.6 undecidable manual Sg 150 46.5201 -0.304 46
IV.CAR1.HHE. 2011-05-26T12:21:28.89 0.6 undecidable manual Pg 22 97.6245 -0.668 38
IV.MSRU.HHN. 2011-05-26T12:21:27.44 0.3 undecidable manual Sg 232 31.0467 0.043 73
IV.MSCL.HHZ. 2011-05-26T12:21:26.11 0.3 undecidable manual Sg 180 22.6551 0.068 74
MN.CEL.HHZ. 2011-05-26T12:21:25.79 0.3 undecidable manual Sg 155 21.5673 -0.094 74
IV.MPAZ.HHZ. 2011-05-26T12:21:25.02 0.3 undecidable manual Pg 160 56.8986 0.533 62
IV.JOPP.HHN. 2011-05-26T12:21:25.92 0.3 undecidable manual Sg 24 20.6682 0.17 72
IV.PLAC.HHN. 2011-05-26T12:21:24.41 0.3 undecidable manual Pg 88 56.499 -0.019 70
IV.SOI.EHZ. 2011-05-26T12:21:22.74 0.3 undecidable manual Pg 150 46.5201 -0.45 66
IV.MSRU.HHN. 2011-05-26T12:21:21.39 0.1 undecidable manual Pg 232 31.0467 -0.017 98
IV.JOPP.HHN. 2011-05-26T12:21:20.67 0.1 undecidable manual Pg 24 20.6682 0.215 95
MN.CEL.HHZ. 2011-05-26T12:21:20.46 0.1 undecidable manual Pg 155 21.5673 -0.071 100
IV.MSCL.HHZ. 2011-05-26T12:21:20.64 0.1 undecidable manual Pg 180 22.6551 0.017 99
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