Earthquake with magnitude of ML 1.0 on date 16-08-2019 and time 16:55:29 (Italy) in region 2 km NE Longano (IS)

A magnitude ML 1.0 earthquake occured in region: 2 km NE Longano (IS), on

  • 16-08-2019 14:55:29 (UTC)
  • 16-08-2019 16:55:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.54, 14.25 at 7 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Longano IS 2 690 690
Sant'Agapito IS 3 1496 2186
Castelpizzuto IS 4 155 2341
Pettoranello del Molise IS 5 460 2801
Isernia IS 6 21842 24643
Monteroduni IS 7 2264 26907
Macchia d'Isernia IS 8 1035 27942
Castelpetroso IS 8 1680 29622
Gallo Matese CE 8 579 30201
Carpinone IS 8 1157 31358
Pesche IS 9 1661 33019
Letino CE 10 712 33731
Roccamandolfi IS 10 938 34669
Santa Maria del Molise IS 10 665 35334
Fontegreca CE 11 811 36145
Capriati a Volturno CE 12 1541 37686
Montaquila IS 12 2456 40142
Miranda IS 12 1047 41189
Cantalupo nel Sannio IS 12 739 41928
Fornelli IS 12 1909 43837
Prata Sannita CE 12 1502 45339
Ciorlano CE 13 426 45765
Valle Agricola CE 13 890 46655
Macchiagodena IS 13 1854 48509
Sessano del Molise IS 13 727 49236
San Massimo CB 14 855 50091
Colli a Volturno IS 14 1349 51440
Pratella CE 16 1565 53005
Pozzilli IS 16 2380 55385
Filignano IS 16 648 56033
Rocchetta a Volturno IS 17 1113 57146
Ailano CE 17 1369 58515
Acquaviva d'Isernia IS 17 425 58940
Pescolanciano IS 17 855 59795
Frosolone IS 18 3170 62965
Roccasicura IS 18 550 63515
Cerro al Volturno IS 18 1281 64796
Venafro IS 18 11280 76076
Scapoli IS 18 680 76756
Forlì del Sannio IS 19 675 77431
Raviscanina CE 19 1319 78750
Sant'Elena Sannita IS 19 275 79025
Chiauci IS 19 233 79258
Civitanova del Sannio IS 19 945 80203
Bojano CB 19 8058 88261
Sant'Angelo d'Alife CE 20 2270 90531
Sesto Campano IS 20 2388 92919
Spinete CB 20 1320 94239
San Gregorio Matese CE 20 988 95227
Carovilli IS 20 1359 96586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km N of Caserta (76326 inhabitants)
63 Km N of Aversa (53047 inhabitants)
63 Km NW of Benevento (60091 inhabitants)
67 Km N of Acerra (59573 inhabitants)
68 Km N of Giugliano in Campania (122974 inhabitants)
69 Km N of Afragola (65057 inhabitants)
70 Km N of Casoria (77642 inhabitants)
71 Km N of Marano di Napoli (59874 inhabitants)
78 Km N of Napoli (974074 inhabitants)
78 Km N of Pozzuoli (81661 inhabitants)
80 Km N of Portici (55274 inhabitants)
81 Km N of Ercolano (53709 inhabitants)
83 Km NW of Avellino (54857 inhabitants)
84 Km N of Torre del Greco (86275 inhabitants)
91 Km S of Chieti (51815 inhabitants)
91 Km N of Scafati (50787 inhabitants)
95 Km W of San Severo (53905 inhabitants)
96 Km N of Castellammare di Stabia (66466 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 1.0 2019-08-16
14:55:29
41.54 14.25 7 2019-08-16
15:05:40
Sala Sismica INGV-Roma 71549861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-16 14:55:29 ± 0.24
Latitude 41.54 ± 0.00
Longitude 14.25 ± 0.01
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71549861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 670
Semi-minor axis of confidence ellipse (meter) 122
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) 670
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.2707
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1

Field Value
Value 1
Uncertainty 0.1
Num. used stations 13
Type of magnitude ML
Reference to an origin 71549861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-16 15:05:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2019-08-16T14:55:46.36 3.0 undecidable manual P -0.06 0
IT.ORP.HGZ. 2019-08-16T14:55:43.24 3.0 positive manual P 0.09 0
IV.BSSO.HHZ. 2019-08-16T14:55:39.79 0.6 undecidable manual S 88 0.2545 104 0.35 61
IV.PTRJ.HNZ. 2019-08-16T14:55:39.76 0.6 undecidable manual S 130 0.2707 103 -0.26 62
IT.GLNS.HNZ. 2019-08-16T14:55:39.87 3.0 undecidable manual P 0.01 0
IV.CERA.HHZ. 2019-08-16T14:55:37.43 0.6 undecidable manual S 289 0.1853 109 0.56 58
IV.SGG.HNZ. 2019-08-16T14:55:36.78 0.6 undecidable manual S 148 0.179 109 0.15 64
IV.RNI2.HHZ. 2019-08-16T14:55:36.35 0.3 undecidable manual S 335 0.1808 109 -0.35 93
IV.BSSO.HHZ. 2019-08-16T14:55:35.15 0.6 undecidable manual P 88 0.2545 104 -0.02 65
IV.PTRJ.HNZ. 2019-08-16T14:55:35.08 0.6 undecidable manual P 130 0.2707 103 -0.42 60
IV.MIDA.HHZ. 2019-08-16T14:55:34.08 0.3 undecidable manual S 0 0.1034 121 0.1 99
IV.VAGA.HHZ. 2019-08-16T14:55:34.33 0.3 undecidable manual S 187 0.1241 117 -0.36 93
IV.SGG.HNZ. 2019-08-16T14:55:33.73 0.3 undecidable manual P 148 0.179 109 0.19 96
IV.RNI2.HHZ. 2019-08-16T14:55:33.59 0.3 undecidable manual P 335 0.1808 109 0 99
IV.CERA.HHZ. 2019-08-16T14:55:33.51 0.3 undecidable manual P 289 0.1853 109 -0.17 96
IV.VAGA.HHZ. 2019-08-16T14:55:32.83 0.3 undecidable manual P 187 0.1241 117 0.41 92
IV.MIDA.HHZ. 2019-08-16T14:55:31.96 0.3 undecidable manual P 0 0.1034 121 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHE. ML:1.1 0.0001665 0.56 AML other m 2019-08-16T14:55:34.76
IV.VAGA.HHE. ML:0 0.000150378495 0.1792 AML other m 2019-08-16T14:55:36.67
IV.MIDA.HHN. ML:1.1 0.000174 0.34 AML other m 2019-08-16T14:55:36.25
IV.VAGA.HHN. ML:0 0.00020710695 0.2176 AML other m 2019-08-16T14:55:36.54
IV.CERA.HHE. ML:0 5.961157E-5 0.3968 AML other m 2019-08-16T14:55:39.99
IV.CERA.HHN. ML:0 5.6502995E-5 0.2688 AML other m 2019-08-16T14:55:38.87
IV.MIDA.HNE. ML:1 0.00013579308 0.1664 AML other m 2019-08-16T14:55:36.26
IV.CERA.HNE. ML:0.9 6.502884E-5 0.6144 AML other m 2019-08-16T14:55:39.49
IV.CERA.HNN. ML:0.9 5.5299965E-5 0.2944 AML other m 2019-08-16T14:55:38.87
IV.RNI2.HHE. ML:0.9 6.052396E-5 0.2176 AML other m 2019-08-16T14:55:40.24
IV.RNI2.HHN. ML:0.8 4.9830045E-5 0.1792 AML other m 2019-08-16T14:55:39.69
IV.RNI2.HNE. ML:0.9 5.8868855E-5 0.2432 AML other m 2019-08-16T14:55:39.69
IV.RNI2.HNN. ML:0.8 5.50493E-5 0.2944 AML other m 2019-08-16T14:55:39.71
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download