Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 24-08-2019 and time 10:33:49 (Italy) in region 1 km N Acquaviva d'Isernia (IS)

A magnitude ML 0.9 earthquake occured in region: 1 km N Acquaviva d'Isernia (IS), on

  • 24-08-2019 08:33:49 (UTC)
  • 24-08-2019 10:33:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6860, 14.1490 at 9 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
Acquaviva d'Isernia IS 1 425 425
Forlì del Sannio IS 3 675 1100
Rionero Sannitico IS 3 1118 2218
Cerro al Volturno IS 5 1281 3499
Roccasicura IS 7 550 4049
Montenero Val Cocchiara IS 8 538 4587
Castel San Vincenzo IS 8 516 5103
Rocchetta a Volturno IS 9 1113 6216
Fornelli IS 9 1909 8125
Miranda IS 9 1047 9172
Pizzone IS 10 329 9501
Colli a Volturno IS 10 1349 10850
Scapoli IS 11 680 11530
Alfedena AQ 11 864 12394
Scontrone AQ 11 574 12968
Castel di Sangro AQ 12 6538 19506
San Pietro Avellana IS 12 503 20009
Carovilli IS 13 1359 21368
Isernia IS 13 21842 43210
Montaquila IS 13 2456 45666
Vastogirardi IS 14 704 46370
Macchia d'Isernia IS 14 1035 47405
Pesche IS 14 1661 49066
Barrea AQ 15 726 49792
Pescolanciano IS 16 855 50647
Sessano del Molise IS 16 727 51374
Pettoranello del Molise IS 16 460 51834
Sant'Agapito IS 17 1496 53330
Filignano IS 17 648 53978
Carpinone IS 18 1157 55135
Monteroduni IS 18 2264 57399
Roccaraso AQ 19 1627 59026
Capracotta IS 19 903 59929
Ateleta AQ 19 1181 61110
Civitella Alfedena AQ 19 296 61406
Chiauci IS 20 233 61639
Longano IS 20 690 62329

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km N of Caserta (76326 inhabitants)
74 Km S of Chieti (51815 inhabitants)
79 Km N of Aversa (53047 inhabitants)
81 Km NW of Benevento (60091 inhabitants)
84 Km N of Acerra (59573 inhabitants)
84 Km N of Giugliano in Campania (122974 inhabitants)
86 Km N of Afragola (65057 inhabitants)
87 Km S of Pescara (121014 inhabitants)
88 Km N of Marano di Napoli (59874 inhabitants)
88 Km N of Casoria (77642 inhabitants)
92 Km S of Montesilvano (53738 inhabitants)
93 Km N of Pozzuoli (81661 inhabitants)
94 Km N of Napoli (974074 inhabitants)
97 Km SE of L'Aquila (69753 inhabitants)
97 Km N of Portici (55274 inhabitants)
99 Km N of Ercolano (53709 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 0.9 2019-08-24
08:33:49		 41.686 14.1493 9 2019-11-13
14:30:59		 Bollettino Sismico Italiano INGV 71902421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-24 08:33:49 ± 0.07
Latitude 41.6860 ± 0.0054
Longitude 14.1493 ± 0.0048
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71902421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 608
Semi-minor axis of confidence ellipse (meter) 401
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 177
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.01709
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 71902421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-29 08:55:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2019-08-24T08:34:05.11 0.3 undecidable manual S 295 48.0186 50 0.14 69
IV.TRIV.HHN. 2019-08-24T08:34:01.16 0.6 undecidable manual S 75 34.3434 50 -0.15 47
IV.POFI.HNE. 2019-08-24T08:34:01.66 0.3 undecidable manual S 276 36.4413 50 -0.19 70
IV.VAGA.HHZ. 2019-08-24T08:34:00.64 0.6 undecidable manual S 167 30.8469 106 0.28 46
IV.VVLD.HHZ. 2019-08-24T08:33:58.07 0.1 undecidable manual P 295 48.0186 50 -0.24 90
IV.TRIV.HHN. 2019-08-24T08:33:56.36 0.3 undecidable manual P 75 34.3434 50 0.16 94
IV.POFI.HNE. 2019-08-24T08:33:56.74 0.3 undecidable manual P 276 36.4413 50 0.23 69
IV.VAGA.HHZ. 2019-08-24T08:33:55.99 0.3 undecidable manual P 167 30.8469 106 0.34 68
IV.CERA.HNN. 2019-08-24T08:33:55.03 0.3 undecidable manual S 228 14.6742 122 -0.14 73
IV.MIDA.HHZ. 2019-08-24T08:33:53.50 0.3 undecidable manual S 119 9.9789 132 -0.37 70
IV.RNI2.HHZ. 2019-08-24T08:33:52.57 0.3 undecidable manual S 7 1.8981 168 0.16 75
IV.CERA.HNN. 2019-08-24T08:33:52.58 0.1 undecidable manual P 228 14.6742 122 -0.08 99
IV.RNI2.HHZ. 2019-08-24T08:33:51.20 0.1 negative manual P 7 1.8981 168 0.14 100
IV.MIDA.HHZ. 2019-08-24T08:33:51.76 0.1 positive manual P 119 9.9789 132 -0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HHN. ML:1.6 0.00022999999999999998 1.22 AML other m 2019-08-24T08:33:53.13
IV.RNI2.HNN. ML:1.6 0.00021799999999999999 1.52 AML other m 2019-08-24T08:33:53.13
IV.RNI2.HHE. ML:1.7 0.00027 0.56 AML other m 2019-08-24T08:33:53.33
IV.RNI2.HNE. ML:1.7 0.0002675 1.4 AML other m 2019-08-24T08:33:53.75
IV.MIDA.HHN. ML:0.9 0.00010944999999999999 0.26 AML other m 2019-08-24T08:33:53.96
IV.MIDA.HHE. ML:0.8 0.00009405 0.16 AML other m 2019-08-24T08:33:53.76
IV.MIDA.HNN. ML:0.8 0.0000902661 0.1792 AML other m 2019-08-24T08:33:53.60
IV.MIDA.HNE. ML:0.8 0.00009561625 0.1216 AML other m 2019-08-24T08:33:53.83
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