Earthquake with magnitude of ML 1.5 on date 21-01-2010 and time 15:39:33 (UTC) in region 10 km S Campotosto (AQ)

A magnitude ML 1.5 earthquake occured in region: 10 km S Campotosto (AQ), on

  • 21-01-2010 15:39:33 (UTC)
  • 21-01-2010 16:39:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4760, 13.4020 at 10 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 10 542 542
Capitignano AQ 10 665 1207
Pizzoli AQ 10 4326 5533
Barete AQ 10 737 6270
Crognaleto TE 10 1297 7567
Pietracamela TE 14 271 7838
L'Aquila AQ 14 69753 77591
Montereale AQ 14 2581 80172
Fano Adriano TE 14 296 80468
Cagnano Amiterno AQ 15 1369 81837
Scoppito AQ 17 3727 85564
Cortino TE 19 656 86220
Amatrice RI 20 2657 88877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km N of L'Aquila (69753 inhabitants)
32 Km SW of Teramo (54892 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
63 Km E of Terni (111501 inhabitants)
64 Km W of Chieti (51815 inhabitants)
67 Km W of Pescara (121014 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km SE of Foligno (57155 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
ML 1.5 2010-01-21
15:39:33
42.476 13.402 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1008319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-01-21 15:39:33 ± 0.1
Latitude 42.4760 ± 0.0063
Longitude 13.4020 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1008319

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 492
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 1008319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:20:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHN. 2010-01-21T15:39:48.14 0.3 undecidable manual Sg 329 46.0206 0.054 72
IV.TERO.HHN. 2010-01-21T15:39:41.85 0.3 undecidable manual Sg 45 23.1546 -0.076 74
IV.NRCA.HHN. 2010-01-21T15:39:41.44 0.3 undecidable manual Pg 329 46.0206 -0.33 68
IV.SMA1.EHZ. 2010-01-21T15:39:40.64 0.3 undecidable manual Sg 342 17.9709 0.333 71
IV.VCEL.EHN. 2010-01-21T15:39:40.73 0.3 undecidable manual Pg 104 37.0296 0.346 68
IV.RM29.EHN. 2010-01-21T15:39:40.61 0.3 undecidable manual Sg 300 18.7701 0.041 75
IV.FIAM.HHE. 2010-01-21T15:39:39.77 0.3 undecidable manual Pg 225 32.8449 0.033 74
IV.TERO.HHN. 2010-01-21T15:39:38.02 0.1 undecidable manual Pg 45 23.1546 -0.196 97
IV.FAGN.HHN. 2010-01-21T15:39:38.95 0.3 undecidable manual Pg 147 27.75 0.002 75
IV.RM29.EHN. 2010-01-21T15:39:37.26 0.1 undecidable manual Pg 300 18.7701 -0.169 98
IV.SMA1.EHZ. 2010-01-21T15:39:37.35 0.1 undecidable manual Pg 342 17.9709 0.072 100
MN.VSL.HHN. 2010-01-21T15:39:21.85 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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