Earthquake with magnitude of ML 2.4 on date 17-04-2020 and time 16:12:09 (Italy) in region 1 km SE San Gregorio Matese (CE)

A magnitude ML 2.4 earthquake occured in region: 1 km SE San Gregorio Matese (CE), on

  • 17-04-2020 14:12:09 (UTC)
  • 17-04-2020 16:12:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.38, 14.38 at 15 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.

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 Gregorio Matese CE 1 988 988
Castello del Matese CE 2 1494 2482
Piedimonte Matese CE 3 11297 13779
San Potito Sannitico CE 5 1925 15704
Alife CE 7 7616 23320
Sant'Angelo d'Alife CE 10 2270 25590
Gioia Sannitica CE 11 3638 29228
Valle Agricola CE 11 890 30118
Raviscanina CE 11 1319 31437
Cusano Mutri BN 12 4091 35528
Roccamandolfi IS 13 938 36466
San Massimo CB 13 855 37321
San Polo Matese CB 13 470 37791
Campochiaro CB 13 646 38437
Letino CE 13 712 39149
Dragoni CE 13 2108 41257
Bojano CB 14 8058 49315
Baia e Latina CE 14 2197 51512
Faicchio BN 14 3634 55146
Ailano CE 15 1369 56515
Pietraroja BN 15 545 57060
Guardiaregia CB 15 801 57861
Prata Sannita CE 16 1502 59363
Alvignano CE 16 4824 64187
Cantalupo nel Sannio IS 16 739 64926
Gallo Matese CE 16 579 65505
Pratella CE 17 1565 67070
Castelpizzuto IS 17 155 67225
Roccaromana CE 18 856 68081
Fontegreca CE 18 811 68892
San Lorenzello BN 18 2227 71119
Colle d'Anchise CB 19 807 71926
Cerreto Sannita BN 19 3940 75866
Puglianello BN 19 1349 77215
Longano IS 19 690 77905
Santa Maria del Molise IS 19 665 78570
San Salvatore Telesino BN 19 3999 82569
Pietravairano CE 19 2984 85553
Ruviano CE 19 1655 87208
Liberi CE 19 1153 88361
Ciorlano CE 20 426 88787
Macchiagodena IS 20 1854 90641
Castelpetroso IS 20 1680 92321

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Caserta (76326 inhabitants)
44 Km NW of Benevento (60091 inhabitants)
48 Km NE of Aversa (53047 inhabitants)
48 Km N of Acerra (59573 inhabitants)
51 Km N of Afragola (65057 inhabitants)
53 Km N of Giugliano in Campania (122974 inhabitants)
53 Km N of Casoria (77642 inhabitants)
56 Km N of Marano di Napoli (59874 inhabitants)
61 Km N of Napoli (974074 inhabitants)
62 Km N of Portici (55274 inhabitants)
63 Km NW of Avellino (54857 inhabitants)
64 Km N of Ercolano (53709 inhabitants)
64 Km NE of Pozzuoli (81661 inhabitants)
66 Km N of Torre del Greco (86275 inhabitants)
72 Km N of Scafati (50787 inhabitants)
77 Km N of Castellammare di Stabia (66466 inhabitants)
81 Km NW of Cava de' Tirreni (53659 inhabitants)
85 Km NW of Salerno (135261 inhabitants)
90 Km W of San Severo (53905 inhabitants)
98 Km W of Foggia (151991 inhabitants)
100 Km NW of Battipaglia (50786 inhabitants)
Recent and historical Seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours) *

This map reports the earthquake epicenters located in the past 72 hours (3 days) from the time this page has been generated. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985 *

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2014

Earthquakes since 1000 AD until 2014 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
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
Bulletin
Rev1000
ML 2.4 2020-04-17
14:12:09
41.38 14.38 15 2020-07-18
21:08:35
Bollettino Sismico Italiano INGV 78832201
Reviewed
Rev100
ML 2.0 2020-04-17
14:12:09
41.37 14.38 14 2020-04-17
14:23:58
Sala Sismica INGV-Roma 78320351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-17 14:12:09 ± 0.12
Latitude 41.38 ± 0.01
Longitude 14.38 ± 0.01
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78832201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 790
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 790
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.95778
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.4
Num. used stations 19
Type of magnitude ML
Reference to an origin 78832201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-04 10:00:41

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 78320351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-17 14:23:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IT.FIE.HGZ. 2020-04-17T14:13:43.08 3.0 undecidable manual Sg 23.139999 0
IV.CAVE.HHZ. 2020-04-17T14:13:38.48 3.0 undecidable manual Sn -3.57 0
IV.CLTA.HHZ. 2020-04-17T14:13:37.37 3.0 undecidable manual Sn 3.78 0
AC.VLO.HHZ. 2020-04-17T14:13:31.03 3.0 undecidable manual Sg 7.39 0
ST.RONC.EHZ. 2020-04-17T14:13:27.43 3.0 undecidable manual Pg 23.07 0
IV.EUCT.HNZ. 2020-04-17T14:13:19.04 3.0 undecidable manual Pn 13.39 0
IV.APEC.HHZ. 2020-04-17T14:13:16.92 3.0 undecidable manual Sg 14.12 0
OX.CIMO.HHZ. 2020-04-17T14:13:14.36 3.0 positive manual Pg 13.58 0
IV.PE3.EHZ. 2020-04-17T14:13:00.88 3.0 undecidable manual Sn -3.75 0
IV.FDMO.HHZ. 2020-04-17T14:13:00.69 3.0 undecidable manual Sg 14.07 0
IV.NDIM.HHZ. 2020-04-17T14:12:56.03 3.0 undecidable manual Pn 5.15 0
IV.GUAR.HHZ. 2020-04-17T14:12:38.10 3.0 undecidable manual Sg 11.72 0
IV.SICLA.EHZ. 2020-04-17T14:12:29.31 3.0 positive manual Pn -2.18 0
IV.MGAB.HHZ. 2020-04-17T14:12:28.25 3.0 undecidable manual Pn 4.33 0
IV.T0110.HHZ. 2020-04-17T14:12:27.36 0.1 undecidable manual P 332 0.9578 92 0.24 82
IV.GIUL.HHZ. 2020-04-17T14:12:26.35 0.3 undecidable manual P 282 0.8589 93 0.91 50
IV.FOSV.EHZ. 2020-04-17T14:12:24.59 3.0 undecidable manual Pn 1.28 0
IV.TRIV.HHZ. 2020-04-17T14:12:24.40 0.3 undecidable manual S 19 0.4047 96 0.58 65
IV.PSB1.HHZ. 2020-04-17T14:12:23.30 0.6 undecidable manual S 116 0.3615 98 0.75 39
IV.MCI.EHZ. 2020-04-17T14:12:23.48 3.0 undecidable manual S -1.45 0
IV.CERA.HHZ. 2020-04-17T14:12:23.00 0.3 undecidable manual S 309 0.3444 98 0.96 56
IV.INTR.HHZ. 2020-04-17T14:12:23.02 0.3 undecidable manual P 331 0.7213 93 -0.06 67
IV.POFI.HHZ. 2020-04-17T14:12:20.61 0.1 undecidable manual P 304 0.5998 94 -0.4 85
IV.SGO.HHZ. 2020-04-17T14:12:19.23 3.0 undecidable manual Sg -1.65 0
IV.MCI.EHZ. 2020-04-17T14:12:19.19 3.0 undecidable manual P 0.82 0
IV.SACR.HHZ. 2020-04-17T14:12:19.90 0.3 undecidable manual S 86 0.2464 104 0.71 62
IV.PIGN.HHZ. 2020-04-17T14:12:18.90 0.3 undecidable manual S 219 0.2356 105 0.03 73
IV.TRIV.HHZ. 2020-04-17T14:12:17.35 0.3 undecidable manual P 19 0.4047 96 -0.33 67
IV.GUAR.HHZ. 2020-04-17T14:12:17.67 3.0 positive manual Pg 10.16 0
IV.PAOL.HHZ. 2020-04-17T14:12:17.01 0.1 undecidable manual P 158 0.3786 97 -0.23 94
IV.CERA.HHZ. 2020-04-17T14:12:16.57 0.1 undecidable manual P 309 0.3444 98 -0.09 96
IV.PSB1.HHZ. 2020-04-17T14:12:16.93 0.1 undecidable manual P 116 0.3615 98 -0.03 97
IV.RNI2.HHZ. 2020-04-17T14:12:16.72 0.1 undecidable manual P 332 0.3624 98 -0.24 92
IV.VITU.HHZ. 2020-04-17T14:12:15.73 0.1 undecidable manual P 136 0.2752 101 0.24 93
IV.VAGA.HHZ. 2020-04-17T14:12:15.90 0.3 undecidable manual S 287 0.1124 130 0.31 72
IV.PTRJ.HHZ. 2020-04-17T14:12:15.50 0.1 undecidable manual S 99 0.1151 129 -0.14 99
IV.PIGN.HHZ. 2020-04-17T14:12:14.71 0.1 positive manual P 219 0.2356 105 -0.12 98
IV.SGG.HHZ. 2020-04-17T14:12:14.20 0.3 undecidable manual S 15 0.0045 178 0.08 78
IV.BSSO.HHZ. 2020-04-17T14:12:14.58 0.1 positive manual P 45 0.2302 105 -0.16 96
IV.SACR.HHZ. 2020-04-17T14:12:14.80 0.1 positive manual P 86 0.2464 104 -0.21 96
IV.MIDA.HHZ. 2020-04-17T14:12:14.74 0.1 undecidable manual P 340 0.2752 101 -0.75 80
IV.PTRJ.HHZ. 2020-04-17T14:12:12.77 0.1 positive manual P 99 0.1151 129 -0.2 98
IV.VAGA.HHZ. 2020-04-17T14:12:12.83 0.1 positive manual P 287 0.1124 130 -0.11 100
IV.SGG.HHZ. 2020-04-17T14:12:11.90 0.1 negative manual P 15 0.0045 178 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HHN. ML:2.2 0.000199 0.64 AML other m 2020-04-17T14:12:40.41
OT.OT05.EHE. ML:3.8 0.00565 0.3 AML other m 2020-04-17T14:12:43.03
IV.GIUL.HHE. ML:1.6 4.47E-5 0.56 AML other m 2020-04-17T14:12:43.42
OT.OT05.EHN. ML:3.8 0.006255 1.4 AML other m 2020-04-17T14:12:45.02
IV.T0110.HHN. ML:2.2 0.0001265 0.46 AML other m 2020-04-17T14:12:48.75
IV.T0110.HHE. ML:2.2 0.0001245 0.4 AML other m 2020-04-17T14:12:48.75
IV.GIUL.HHN. ML:1.5 3.37E-5 0.72 AML other m 2020-04-17T14:12:49.16
IV.SGG.HHN. ML:2.3 0.0022197655 0.6784 AML other m 2020-04-17T14:12:15.12
IV.SGG.HHE. ML:2.5 0.0036392085 0.4224 AML other m 2020-04-17T14:12:14.77
IV.SGG.HNN. ML:2.3 0.002216797 0.3392 AML other m 2020-04-17T14:12:14.78
IV.SGG.HNE. ML:2.5 0.0035777635 0.416 AML other m 2020-04-17T14:12:14.77
IV.PTRJ.HHN. ML:2.5 0.002762385 1.0368 AML other m 2020-04-17T14:12:16.12
IV.PTRJ.HHE. ML:0.2 1.627433E-5 0.3968 AML other m 2020-04-17T14:12:15.64
IV.PTRJ.HNE. ML:2.4 0.0021523565 0.352 AML other m 2020-04-17T14:12:15.64
IV.PTRJ.HNN. ML:2.5 0.002559793 1.0432 AML other m 2020-04-17T14:12:16.11
IV.VAGA.HNE. ML:2.7 0.004336637 0.1856 AML other m 2020-04-17T14:12:16.30
IV.VAGA.HNN. ML:2.4 0.002459122 0.3008 AML other m 2020-04-17T14:12:16.18
IV.VAGA.HHE. ML:2.7 0.00465558 0.1856 AML other m 2020-04-17T14:12:16.30
IV.VAGA.HHN. ML:2.5 0.002612648 0.3008 AML other m 2020-04-17T14:12:16.18
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms *

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
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 full SEED format Download