Earthquake with magnitude of ML 2.1 on date 24-08-2011 and time 17:48:28 (UTC) in region Costa Molisana (Campobasso)

A magnitude ML 2.1 earthquake occured in region: Costa Molisana (Campobasso), on

  • 24-08-2011 17:48:28 (UTC)
  • 24-08-2011 19:48:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1790, 15.0420 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
Termoli CB 20 33739 33739

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km NW of San Severo (53905 inhabitants)
74 Km E of Chieti (51815 inhabitants)
75 Km E of Pescara (121014 inhabitants)
82 Km E of Montesilvano (53738 inhabitants)
90 Km NW of Foggia (151991 inhabitants)
95 Km NW of Manfredonia (57279 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
ML 2.1 2011-08-24
17:48:28
42.179 15.042 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1277109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-24 17:48:28 ± 0.26
Latitude 42.1790 ± 0.0189
Longitude 15.0420 ± 0.0097
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1277109

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2105
Semi-minor axis of confidence ellipse (meter) 842
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 2247.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.25725
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1277109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:14:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHE. 2011-08-24T17:49:07.76 10.0 undecidable manual Sg 0 0 0
IV.TERO.HHE. 2011-08-24T17:48:57.90 10.0 undecidable manual Pg 0 0 0
IV.MSAG.HHZ. 2011-08-24T17:48:57.02 0.6 undecidable manual Sg 126 88.3449 1.087 43
IV.MCRV.HHZ. 2011-08-24T17:48:56.75 10.0 undecidable manual Pg 0 0 0
IV.CAMP.HHN. 2011-08-24T17:48:52.22 0.6 undecidable manual Pn 287 139.5603 -0.035 55
IV.SGRT.HHZ. 2011-08-24T17:48:52.34 0.6 undecidable manual Sg 129 74.5698 0.08 62
IV.CERA.HHZ. 2011-08-24T17:48:51.06 10.0 undecidable manual Pn 0 0 0
IV.VVLD.HHZ. 2011-08-24T17:48:50.13 0.6 undecidable manual Pn 254 121.7892 0.614 49
IV.SGTA.HHN. 2011-08-24T17:48:49.32 0.6 undecidable manual Pn 167 118.7922 0.267 55
IV.VAGA.HHN. 2011-08-24T17:48:47.30 0.3 undecidable manual Pn 219 107.8143 -0.059 87
IV.PTRJ.HHE. 2011-08-24T17:48:46.06 0.6 undecidable manual Pn 205 99.8223 -0.065 59
IV.INTR.HHZ. 2011-08-24T17:48:45.69 0.6 undecidable manual Pn 259 95.4378 0.244 58
IV.MIDA.HHE. 2011-08-24T17:48:44.24 0.3 undecidable manual Pn 228 88.1451 -0.091 90
IV.MSAG.HHZ. 2011-08-24T17:48:44.31 0.3 undecidable manual Pn 126 88.3449 -0.048 91
IV.BSSO.HHN. 2011-08-24T17:48:43.35 0.6 undecidable manual Pn 208 79.365 0.386 58
IV.FRES.HHN. 2011-08-24T17:48:41.67 0.6 undecidable manual Sg 234 38.2284 -0.235 64
IV.SGRT.HHZ. 2011-08-24T17:48:41.39 0.1 undecidable manual Pn 129 74.5698 -0.846 99
IV.CIGN.HHE. 2011-08-24T17:48:39.82 0.3 undecidable manual Pn 191 59.2962 -0.053 96
IV.FRES.HHN. 2011-08-24T17:48:36.21 0.3 undecidable manual Pn 234 38.2284 -0.048 100
IV.STR3.BHN. 2011-08-24T17:48:17.60 10.0 undecidable manual Pg 0 0 0
IV.ESLN.HHN. 2011-08-24T17:48:09.36 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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