Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 15-10-2009 and time 03:37:11 (Italy) in region 1 km NE Vastogirardi (IS)

A magnitude ML 1.5 earthquake occured in region: 1 km NE Vastogirardi (IS), on

  • 15-10-2009 01:37:11 (UTC)
  • 15-10-2009 03:37:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7790, 14.2670 at 21 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
Vastogirardi IS 1 704 704
Capracotta IS 6 903 1607
San Pietro Avellana IS 7 503 2110
Carovilli IS 8 1359 3469
Agnone IS 9 5139 8608
Castel del Giudice IS 9 346 8954
Roccasicura IS 9 550 9504
Ateleta AQ 10 1181 10685
Pietrabbondante IS 11 759 11444
Castelverrino IS 11 115 11559
Pescopennataro IS 11 285 11844
Forlì del Sannio IS 12 675 12519
Sant'Angelo del Pesco IS 12 364 12883
Poggio Sannita IS 12 702 13585
Pescolanciano IS 13 855 14440
Rionero Sannitico IS 13 1118 15558
Castel di Sangro AQ 13 6538 22096
Belmonte del Sannio IS 14 768 22864
Chiauci IS 15 233 23097
Gamberale CH 15 320 23417
Miranda IS 15 1047 24464
Acquaviva d'Isernia IS 15 425 24889
Rosello CH 15 237 25126
Borrello CH 16 354 25480
Pizzoferrato CH 16 1130 26610
Sessano del Molise IS 17 727 27337
Quadri CH 17 815 28152
Civitanova del Sannio IS 17 945 29097
Roccaraso AQ 17 1627 30724
Roio del Sangro CH 17 103 30827
Bagnoli del Trigno IS 18 735 31562
Montenero Val Cocchiara IS 18 538 32100
Castiglione Messer Marino CH 18 1790 33890
Fallo CH 19 139 34029
Pesche IS 19 1661 35690
Schiavi di Abruzzo CH 19 860 36550
Civitaluparella CH 19 351 36901
Scontrone AQ 19 574 37475
Cerro al Volturno IS 19 1281 38756
Rivisondoli AQ 20 700 39456
Alfedena AQ 20 864 40320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km S of Chieti (51815 inhabitants)
77 Km S of Pescara (121014 inhabitants)
78 Km N of Caserta (76326 inhabitants)
82 Km S of Montesilvano (53738 inhabitants)
84 Km NW of Benevento (60091 inhabitants)
90 Km N of Aversa (53047 inhabitants)
93 Km N of Acerra (59573 inhabitants)
93 Km W of San Severo (53905 inhabitants)
95 Km N of Giugliano in Campania (122974 inhabitants)
95 Km N of Afragola (65057 inhabitants)
96 Km SE of L'Aquila (69753 inhabitants)
97 Km N of Casoria (77642 inhabitants)
98 Km N of Marano di Napoli (59874 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 1.9
ML 1.5 		2009-10-15
01:37:11		 41.779 14.267 21 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 979619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-10-15 01:37:11 ± 0.19
Latitude 41.7790 ± 0.0054
Longitude 14.2670 ± 0.0096
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 979619

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 666
Semi-minor axis of confidence ellipse (meter) 513
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 0.48743
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 979619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:44:25

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 979619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:44:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHN. 2009-10-15T01:37:28.75 0.1 undecidable manual Sg 281 54.1014 0.046 94
IV.SDI.SHZ. 2009-10-15T01:37:24.70 0.1 undecidable manual Sg 259 38.5281 0.012 98
IV.LPEL.HHN. 2009-10-15T01:37:22.65 0.1 undecidable manual Sg 347 30.5472 -0.071 98
IV.VVLD.HHN. 2009-10-15T01:37:21.18 0.1 undecidable manual Pg 281 54.1014 -0.256 91
IV.RNI2.HHE. 2009-10-15T01:37:19.14 0.1 undecidable manual Sg 229 12.5763 0.177 100
IV.SDI.SHZ. 2009-10-15T01:37:19.13 0.1 undecidable manual Pg 259 38.5281 0.013 97
IV.MIDA.HHE. 2009-10-15T01:37:19.15 0.1 undecidable manual Sg 184 15.1737 -0.248 96
IV.LPEL.HHN. 2009-10-15T01:37:17.94 0.1 undecidable manual Pg 347 30.5472 -0.041 99
IV.RNI2.HHE. 2009-10-15T01:37:16.02 0.1 undecidable manual Pg 229 12.5763 0.208 98
IV.MIDA.HHE. 2009-10-15T01:37:16.15 0.1 undecidable manual Pg 184 15.1737 0.087 100
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