Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 02-08-2010 and time 19:26:59 (UTC) in region 3 km N Valle Castellana (TE)

A magnitude ML 2.0 earthquake occured in region: 3 km N Valle Castellana (TE), on

  • 02-08-2010 19:26:59 (UTC)
  • 02-08-2010 21:26:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7630, 13.4960 at 23 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Valle Castellana TE 3 977 977
Acquasanta Terme AP 7 2916 3893
Rocca Santa Maria TE 9 537 4430
Roccafluvione AP 11 2010 6440
Ascoli Piceno AP 12 49407 55847
Folignano AP 13 9241 65088
Venarotta AP 13 2066 67154
Civitella del Tronto TE 14 5116 72270
Palmiano AP 16 196 72466
Cortino TE 16 656 73122
Montegallo AP 16 523 73645
Campli TE 16 7209 80854
Arquata del Tronto AP 16 1178 82032
Torricella Sicura TE 18 2641 84673
Maltignano AP 18 2401 87074
Sant'Egidio alla Vibrata TE 19 9811 96885

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
68 Km W of Pescara (121014 inhabitants)
68 Km E of Foligno (57155 inhabitants)
72 Km NW of Chieti (51815 inhabitants)
73 Km E of Terni (111501 inhabitants)
95 Km S of Ancona (100861 inhabitants)
98 Km E of Perugia (166134 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 2.3
ML 2.0 		2010-08-02
19:26:59		 42.763 13.496 23 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1091539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-08-02 19:26:59 ± 0.14
Latitude 42.7630 ± 0.0036
Longitude 13.4960 ± 0.0086
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1091539

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 714
Semi-minor axis of confidence ellipse (meter) 70
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 806.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80939
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1091539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:05:52

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1091539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:05:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FSSB.HHN. 2010-08-02T19:27:37.97 10.0 undecidable manual Sg 0 0 0
IV.CERT.HHN. 2010-08-02T19:27:30.51 10.0 undecidable manual Sg 0 0 0
IV.SNTG.HHZ. 2010-08-02T19:27:22.02 0.1 undecidable manual Sg 321 70.7736 0.492 83
IV.FSSB.HHN. 2010-08-02T19:27:21.76 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2010-08-02T19:27:21.72 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2010-08-02T19:27:21.06 10.0 undecidable manual Sg 0 0 0
IV.FIAM.HHN. 2010-08-02T19:27:19.90 0.3 undecidable manual Sg 210 63.0924 0.359 65
IV.PIEI.HHN. 2010-08-02T19:27:19.43 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2010-08-02T19:27:16.95 10.0 undecidable manual Pg 0 0 0
IV.T0106.EHZ. 2010-08-02T19:27:16.76 0.3 undecidable manual Sg 190 51.5151 0.215 68
IV.MNS.HHZ. 2010-08-02T19:27:15.92 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHZ. 2010-08-02T19:27:15.67 0.3 undecidable manual Sg 190 46.1205 0.497 64
IV.T0104.HHN. 2010-08-02T19:27:15.82 0.3 undecidable manual Sg 196 46.62 0.517 64
IV.FDMO.HHZ. 2010-08-02T19:27:14.73 0.3 undecidable manual Sg 312 44.9217 -0.167 69
IV.INTR.HHN. 2010-08-02T19:27:14.77 0.3 undecidable manual Pg 158 89.8434 -0.499 60
IV.GUMA.HHE. 2010-08-02T19:27:13.09 0.3 undecidable manual Sg 339 35.6421 0.489 66
IV.LNSS.HHZ. 2010-08-02T19:27:13.92 0.3 undecidable manual Sg 245 41.2254 -0.041 72
IV.CING.HHZ. 2010-08-02T19:27:12.58 0.3 undecidable manual Pg 340 72.1722 -0.005 68
IV.SNTG.HHZ. 2010-08-02T19:27:12.18 0.1 undecidable manual Pg 321 70.7736 -0.193 87
IV.NRCA.HHZ. 2010-08-02T19:27:11.57 0.3 undecidable manual Sg 284 32.0457 -0.174 71
IV.FIAM.HHN. 2010-08-02T19:27:10.92 0.3 undecidable manual Pg 210 63.0924 -0.3 65
IV.T0106.EHZ. 2010-08-02T19:27:09.40 0.3 undecidable manual Pg 190 51.5151 -0.094 70
IV.T0104.HHN. 2010-08-02T19:27:08.73 0.3 undecidable manual Pg 196 46.62 -0.05 71
IV.TERO.HHZ. 2010-08-02T19:27:08.61 0.1 undecidable manual Sg 151 17.871 -0.129 100
IV.SMA1.EHZ. 2010-08-02T19:27:08.77 0.1 undecidable manual Sg 222 19.7691 -0.31 95
IV.FDMO.HHZ. 2010-08-02T19:27:08.26 0.3 undecidable manual Pg 312 44.9217 -0.282 68
MN.AQU.HHZ. 2010-08-02T19:27:08.49 0.3 undecidable manual Pg 190 46.1205 -0.21 69
IV.GUMA.HHE. 2010-08-02T19:27:07.25 0.3 undecidable manual Pg 339 35.6421 0.032 73
IV.LNSS.HHZ. 2010-08-02T19:27:07.87 0.3 undecidable manual Pg 245 41.2254 -0.135 70
IV.OFFI.HHZ. 2010-08-02T19:27:06.29 0.3 undecidable manual Pg 39 24.4533 0.55 65
IV.NRCA.HHZ. 2010-08-02T19:27:06.62 0.3 undecidable manual Pg 284 32.0457 -0.104 72
IV.SMA1.EHZ. 2010-08-02T19:27:05.12 0.1 undecidable manual Pg 222 19.7691 -0.068 99
IV.TERO.HHZ. 2010-08-02T19:27:04.85 0.1 undecidable manual Pg 151 17.871 -0.134 99
IV.FAEN.HHE. 2010-08-02T19:26:52.72 10.0 undecidable manual Pg 0 0 0
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