Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 28-09-2013 and time 18:15:18 (Italy) in region 2 km N San Pietro Avellana (IS)

A magnitude ML 2.0 earthquake occured in region: 2 km N San Pietro Avellana (IS), on

  • 28-09-2013 16:15:18 (UTC)
  • 28-09-2013 18:15:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8050, 14.1860 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Pietro Avellana IS 2 503 503
Ateleta AQ 6 1181 1684
Castel di Sangro AQ 7 6538 8222
Castel del Giudice IS 7 346 8568
Vastogirardi IS 7 704 9272
Capracotta IS 7 903 10175
Roccaraso AQ 10 1627 11802
Sant'Angelo del Pesco IS 11 364 12166
Rionero Sannitico IS 11 1118 13284
Gamberale CH 12 320 13604
Forlì del Sannio IS 12 675 14279
Rivisondoli AQ 12 700 14979
Pescopennataro IS 12 285 15264
Roccasicura IS 12 550 15814
Carovilli IS 14 1359 17173
Scontrone AQ 14 574 17747
Pescocostanzo AQ 14 1128 18875
Pizzoferrato CH 14 1130 20005
Montenero Val Cocchiara IS 14 538 20543
Alfedena AQ 15 864 21407
Acquaviva d'Isernia IS 15 425 21832
Agnone IS 15 5139 26971
Quadri CH 16 815 27786
Borrello CH 16 354 28140
Barrea AQ 17 726 28866
Rosello CH 17 237 29103
Pietrabbondante IS 18 759 29862
Cerro al Volturno IS 18 1281 31143
Castelverrino IS 18 115 31258
Civitaluparella CH 19 351 31609
Miranda IS 19 1047 32656
Pescolanciano IS 19 855 33511
Fallo CH 19 139 33650
Poggio Sannita IS 19 702 34352
Castel San Vincenzo IS 19 516 34868
Pizzone IS 20 329 35197
Roio del Sangro CH 20 103 35300
Belmonte del Sannio IS 20 768 36068
Montenerodomo CH 20 690 36758

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km S of Chieti (51815 inhabitants)
74 Km S of Pescara (121014 inhabitants)
79 Km S of Montesilvano (53738 inhabitants)
82 Km N of Caserta (76326 inhabitants)
89 Km SE of L'Aquila (69753 inhabitants)
90 Km NW of Benevento (60091 inhabitants)
92 Km N of Aversa (53047 inhabitants)
97 Km N of Acerra (59573 inhabitants)
97 Km N of Giugliano in Campania (122974 inhabitants)
99 Km N of Afragola (65057 inhabitants)
100 Km N of Casoria (77642 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 2.0 2013-09-28
16:15:18		 41.8047 14.1855 21 2015-01-20
11:29:04		 Bollettino Sismico Italiano INGV 4886951
Reviewed
Rev100 		ML 1.9 2013-09-28
16:15:18		 41.8097 14.1895 17 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4573081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-09-28 16:15:18 ± 0.12
Latitude 41.8047 ± 0.0045
Longitude 14.1855 ± 0.0084
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4886951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 615
Semi-minor axis of confidence ellipse (meter) 415
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.10432
Epicentral distance of station farthest from the epicenter (degree) 0.39120
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 4886951
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:05:43

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 4573081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-09-28 16:22:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2013-09-28T16:15:32.27 0.3 undecidable manual S 256 40.3263 109 0.05 72
IV.LPEL.HHZ. 2013-09-28T16:15:29.12 0.6 undecidable manual S 360 26.8509 120 0.19 48
IV.CERA.HHZ. 2013-09-28T16:15:28.85 0.3 undecidable manual S 211 26.8509 120 -0.07 73
IV.MIDA.HHZ. 2013-09-28T16:15:27.09 0.3 undecidable manual S 163 18.9699 131 -0.12 73
IV.VAGA.HHZ. 2013-09-28T16:15:27.13 0.3 undecidable manual P 175 43.4232 107 0.24 68
IV.POFI.HHZ. 2013-09-28T16:15:26.43 0.1 positive manual P 256 40.3263 109 -0.02 96
IV.RNI2.HHZ. 2013-09-28T16:15:26.15 0.6 undecidable manual S 194 11.5773 147 0.23 48
IV.LPEL.HHZ. 2013-09-28T16:15:24.46 0.1 undecidable manual P 360 26.8509 120 -0.08 97
IV.CERA.HHZ. 2013-09-28T16:15:24.54 0.1 positive manual P 211 26.8509 120 0 99
IV.MIDA.HHZ. 2013-09-28T16:15:23.53 0.1 positive manual P 163 18.9699 131 -0.02 100
IV.RNI2.HHZ. 2013-09-28T16:15:22.65 0.1 positive manual P 194 11.5773 147 -0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.7 0.00020050000000000002 0.84 AML other m 2013-09-28T16:15:31.01
IV.CERA.HHE. ML:1.6 0.0001715 1.52 AML other m 2013-09-28T16:15:30.00
IV.COR1.EHN. ML:3.5 0.000809 0.06 AML other m 2013-09-28T16:15:20.46
IV.COR1.EHE. ML:3.3 0.00042999999999999994 0.06 AML other m 2013-09-28T16:15:29.03
IV.LPEL.HHE. ML:1.9 0.000359 0.16 AML other m 2013-09-28T16:15:29.32
IV.LPEL.HHN. ML:2.0 0.0004685 0.74 AML other m 2013-09-28T16:15:30.52
IV.MIDA.HHE. ML:1.8 0.0003735 1.32 AML other m 2013-09-28T16:15:28.15
IV.MIDA.HHN. ML:1.7 0.00030000000000000003 1.2 AML other m 2013-09-28T16:15:28.69
IV.MURB.HHN. ML:2.8 0.00016499999999999997 0.72 AML other m 2013-09-28T16:16:07.26
IV.MURB.HHE. ML:2.8 0.00016999999999999999 0.22 AML other m 2013-09-28T16:16:08.41
IV.RNI2.HNE. ML:1.9 0.0005465 0.22 AML other m 2013-09-28T16:15:27.27
IV.RNI2.HHN. ML:1.9 0.000546 0.4 AML other m 2013-09-28T16:15:27.89
IV.RNI2.HNN. ML:1.9 0.0005195000000000001 0.38 AML other m 2013-09-28T16:15:27.89
IV.RNI2.HHE. ML:1.9 0.0005705 0.22 AML other m 2013-09-28T16:15:27.27
IV.SSFR.HHE. ML:2.8 0.000162 0.06 AML other m 2013-09-28T16:15:28.92
IV.SSFR.HHN. ML:2.5 0.00008049999999999999 0.3 AML other m 2013-09-28T16:15:29.04
IV.VAGA.HHE. ML:1.3 0.000055599999999999996 1.52 AML other m 2013-09-28T16:15:34.67
IV.VAGA.HHN. ML:1.7 0.00013900000000000002 0.22 AML other m 2013-09-28T16:15:37.88
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