Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 30-09-2010 and time 09:59:56 (UTC) in region 2 km N Fossa (AQ)

A magnitude ML 2.1 earthquake occured in region: 2 km N Fossa (AQ), on

  • 30-09-2010 09:59:56 (UTC)
  • 30-09-2010 11:59:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3100, 13.4840 at 16 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
Fossa AQ 2 721 721
Ocre AQ 3 1167 1888
Sant'Eusanio Forconese AQ 4 394 2282
Poggio Picenze AQ 5 1136 3418
Villa Sant'Angelo AQ 6 424 3842
San Demetrio ne' Vestini AQ 7 1854 5696
Rocca di Cambio AQ 8 533 6229
L'Aquila AQ 8 69753 75982
Barisciano AQ 9 1828 77810
Fagnano Alto AQ 10 418 78228
Prata d'Ansidonia AQ 11 496 78724
Rocca di Mezzo AQ 12 1526 80250
Lucoli AQ 12 1011 81261
Fontecchio AQ 13 369 81630
Santo Stefano di Sessanio AQ 14 111 81741
San Pio delle Camere AQ 14 661 82402
Tornimparte AQ 15 3187 85589
Carapelle Calvisio AQ 17 87 85676
Caporciano AQ 17 230 85906
Castelvecchio Calvisio AQ 17 153 86059
Tione degli Abruzzi AQ 17 310 86369
Calascio AQ 18 137 86506
Ovindoli AQ 20 1227 87733
Scoppito AQ 20 3727 91460

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SE of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
71 Km E of Guidonia Montecelio (88673 inhabitants)
74 Km E of Terni (111501 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
96 Km SE of Foligno (57155 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 2.4
ML 2.1 		2010-09-30
09:59:56		 42.31 13.484 16 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1121219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-09-30 09:59:56 ± 0.09
Latitude 42.3100 ± 0.0045
Longitude 13.4840 ± 0.0061
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1121219

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 707.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81389
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1121219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:44:23

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1121219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:44:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHN. 2010-09-30T10:00:27.96 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHN. 2010-09-30T10:00:27.04 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHN. 2010-09-30T10:00:26.46 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHE. 2010-09-30T10:00:22.98 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2010-09-30T10:00:21.95 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHZ. 2010-09-30T10:00:21.22 10.0 undecidable manual Pg 0 0 0
IV.IACL.HHZ. 2010-09-30T10:00:20.70 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2010-09-30T10:00:13.20 0.6 undecidable manual Sg 312 48.618 1.107 33
IV.INTR.HHZ. 2010-09-30T10:00:12.18 0.1 undecidable manual Sg 134 47.9187 0.279 90
IV.CESG.HHZ. 2010-09-30T10:00:12.81 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHZ. 2010-09-30T10:00:11.41 0.3 undecidable manual Pg 329 90.3429 -0.505 58
IV.FDMO.HHE. 2010-09-30T10:00:10.81 0.3 undecidable manual Pg 338 86.7465 -0.556 57
IV.MTCE.HHZ. 2010-09-30T10:00:09.05 0.3 undecidable manual Pg 243 68.7756 0.448 62
IV.MNS.HHE. 2010-09-30T10:00:09.44 10.0 undecidable manual Pg 0 0 0
IV.RM33.EHN. 2010-09-30T10:00:08.23 0.1 undecidable manual Sg 315 31.1466 0.719 80
IV.SDI.SHZ. 2010-09-30T10:00:08.91 0.3 undecidable manual Pg 158 71.8725 -0.163 65
IV.RM32.EHN. 2010-09-30T10:00:08.27 0.3 undecidable manual Sg 331 32.6451 0.381 67
IV.TERO.HHZ. 2010-09-30T10:00:08.40 0.1 undecidable manual Sg 16 36.0417 -0.373 88
IV.VCEL.EHZ. 2010-09-30T10:00:08.46 0.3 undecidable manual Sg 72 30.747 1.062 53
IV.POFI.HHE. 2010-09-30T10:00:08.17 0.6 undecidable manual Pg 164 68.376 -0.374 42
IV.GUAR.HHZ. 2010-09-30T10:00:07.60 0.1 undecidable manual Pg 194 58.9965 0.509 83
IV.FIAM.HHZ. 2010-09-30T10:00:07.35 0.1 undecidable manual Sg 261 30.4473 0.025 96
IV.PTQR.SHZ. 2010-09-30T10:00:07.25 0.1 undecidable manual Sg 192 32.745 -0.667 82
IV.CAMP.HHN. 2010-09-30T10:00:06.01 0.1 undecidable manual Sg 346 25.752 -0.121 95
IV.CERT.HHZ. 2010-09-30T10:00:06.83 0.1 undecidable manual Pg 226 57.498 -0.05 91
IV.VVLD.HHN. 2010-09-30T10:00:05.69 0.1 undecidable manual Pg 167 50.2164 -0.069 92
IV.CORL.HHN. 2010-09-30T10:00:05.17 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHZ. 2010-09-30T10:00:05.67 0.1 undecidable manual Pg 312 48.618 0.151 92
IV.INTR.HHZ. 2010-09-30T10:00:05.11 0.1 undecidable manual Pg 134 47.9187 -0.301 88
IV.TERO.HHZ. 2010-09-30T10:00:03.33 0.1 undecidable manual Pg 16 36.0417 -0.275 90
IV.SMA1.EHZ. 2010-09-30T10:00:03.54 0.1 undecidable manual Pg 341 37.5291 -0.29 90
IV.RM33.EHN. 2010-09-30T10:00:03.02 0.1 undecidable manual Pg 315 31.1466 0.144 95
IV.PTQR.SHZ. 2010-09-30T10:00:03.16 0.1 undecidable manual Pg 192 32.745 0.05 96
IV.T0104.HHN. 2010-09-30T10:00:03.09 0.1 undecidable manual Sg 295 13.0758 -0.148 98
IV.RM32.EHN. 2010-09-30T10:00:02.91 0.1 undecidable manual Pg 331 32.6451 -0.183 93
MN.AQU.HHZ. 2010-09-30T10:00:02.27 0.1 undecidable manual Sg 306 8.2806 -0.138 100
IV.VCEL.EHZ. 2010-09-30T10:00:02.97 0.1 undecidable manual Pg 72 30.747 0.158 95
IV.T0106.EHZ. 2010-09-30T10:00:02.23 0.1 undecidable manual Sg 267 8.1807 -0.171 99
IV.CAMP.HHN. 2010-09-30T10:00:02.07 0.1 undecidable manual Pg 346 25.752 -0.009 97
IV.FAGN.HHZ. 2010-09-30T10:00:02.88 0.1 undecidable manual Sg 121 9.5793 0.267 95
IV.FIAM.HHZ. 2010-09-30T10:00:02.69 0.1 undecidable manual Pg 261 30.4473 -0.077 96
IV.FAGN.HHZ. 2010-09-30T10:00:00.23 0.1 undecidable manual Pg 121 9.5793 0.183 97
IV.T0104.HHN. 2010-09-30T10:00:00.25 0.1 undecidable manual Pg 295 13.0758 -0.158 97
MN.AQU.HHZ. 2010-09-30T09:59:59.86 0.1 undecidable manual Pg 306 8.2806 -0.07 100
IV.T0106.EHZ. 2010-09-30T09:59:59.97 0.1 undecidable manual Pg 267 8.1807 0.043 100
IV.STR4.BHZ. 2010-09-30T09:59:22.18 10.0 undecidable manual Pg 0 0 0
IV.CDCA.EHE. 2010-09-30T09:59:22.84 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHZ. 2010-09-30T09:59:21.57 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