INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.1 on date 09-01-2018 and time 17:29:09 (Italy) in region 2 km NW Carovilli (IS)

A magnitude ML 2.1 earthquake occured in region: 2 km NW Carovilli (IS), on

  • 09-01-2018 16:29:09 (UTC)
  • 09-01-2018 17:29:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.73, 14.27 at 19 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
Carovilli IS 2 1359 1359
Roccasicura IS 5 550 1909
Vastogirardi IS 5 704 2613
Pescolanciano IS 8 855 3468
Forlì del Sannio IS 8 675 4143
Miranda IS 10 1047 5190
Pietrabbondante IS 10 759 5949
San Pietro Avellana IS 10 503 6452
Chiauci IS 11 233 6685
Sessano del Molise IS 11 727 7412
Rionero Sannitico IS 11 1118 8530
Castelverrino IS 11 115 8645
Agnone IS 12 5139 13784
Capracotta IS 12 903 14687
Acquaviva d'Isernia IS 12 425 15112
Civitanova del Sannio IS 13 945 16057
Poggio Sannita IS 13 702 16759
Pesche IS 13 1661 18420
Castel del Giudice IS 15 346 18766
Castel di Sangro AQ 15 6538 25304
Ateleta AQ 16 1181 26485
Bagnoli del Trigno IS 16 735 27220
Carpinone IS 16 1157 28377
Isernia IS 16 21842 50219
Cerro al Volturno IS 16 1281 51500
Belmonte del Sannio IS 17 768 52268
Pescopennataro IS 17 285 52553
Montenero Val Cocchiara IS 17 538 53091
Duronia CB 17 405 53496
Pettoranello del Molise IS 17 460 53956
Sant'Angelo del Pesco IS 17 364 54320
Fornelli IS 17 1909 56229
Castel San Vincenzo IS 19 516 56745
Rocchetta a Volturno IS 19 1113 57858
Scontrone AQ 20 574 58432
Castelpetroso IS 20 1680 60112
Salcito CB 20 683 60795
Alfedena AQ 20 864 61659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km S of Chieti (51815 inhabitants)
73 Km N of Caserta (76326 inhabitants)
79 Km NW of Benevento (60091 inhabitants)
82 Km S of Pescara (121014 inhabitants)
84 Km N of Aversa (53047 inhabitants)
87 Km N of Acerra (59573 inhabitants)
88 Km S of Montesilvano (53738 inhabitants)
89 Km N of Giugliano in Campania (122974 inhabitants)
90 Km N of Afragola (65057 inhabitants)
91 Km N of Casoria (77642 inhabitants)
92 Km W of San Severo (53905 inhabitants)
93 Km N of Marano di Napoli (59874 inhabitants)
99 Km N of Napoli (974074 inhabitants)
99 Km N of Pozzuoli (81661 inhabitants)
100 Km NW of Avellino (54857 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.
Significant earthquakes since 1000 AD until 2006

Significant earthquakes since 1000 AD until 2006

This map shows the epicenters of the historical earthquakes catalogue CPT11 (Catalogo Parametrico dei Terremoti Italiani, 2011 version) with estimated magnitude ≥ 5.0 since 1000 AD until 2006. 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

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
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 Date and Time (UTC) Latitude Longitude Magnitude Depth (km) Published time (UTC) Author Location ID
Rev 100 2018-01-09
16:29:09
41.73 14.27 ML 2.1 19 2018-01-09
16:33:37
Sala Sismica INGV-Roma 53103411
Best location and best magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-09 16:29:09 ± 0.21
Latitude 41.73 ± 0.01
Longitude 14.27 ± 0.01
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 53103411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1000
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.50452
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 53103411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-09 16:33:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.T1299.EHZ. 2018-01-09T16:29:44.11 3.0 undecidable manual S -0.28 0
IV.VVLD.HHZ. 2018-01-09T16:29:26.76 0.3 undecidable manual S 286 0.5045 101 -0.32 66
IV.INTR.HHZ. 2018-01-09T16:29:24.01 0.3 undecidable manual S 316 0.3939 104 0.14 71
IV.LPEL.HHZ. 2018-01-09T16:29:21.83 0.6 undecidable manual S 348 0.3247 108 -0.07 47
IV.CERA.HHZ. 2018-01-09T16:29:19.94 0.6 undecidable manual S 236 0.2311 118 0.59 43
IV.VVLD.HHZ. 2018-01-09T16:29:19.36 0.6 negative manual P 286 0.5045 101 -0.27 44
IV.INTR.HHZ. 2018-01-09T16:29:17.86 0.6 undecidable manual P 316 0.3939 104 0.08 48
IV.LPEL.HHZ. 2018-01-09T16:29:16.67 1.0 positive manual P 348 0.3247 108 0.03 24
IV.RNI2.HHZ. 2018-01-09T16:29:16.33 0.6 undecidable manual S 254 0.0944 147 0.05 50
IV.MIDA.HHZ. 2018-01-09T16:29:15.46 0.6 undecidable manual S 190 0.0881 148 -0.72 44
IV.CERA.HHZ. 2018-01-09T16:29:15.16 0.1 undecidable manual P 236 0.2311 118 -0.01 99
IV.TRIV.HHZ. 2018-01-09T16:29:14.95 0.3 negative manual P 80 0.2095 121 0.11 73
IV.RNI2.HHZ. 2018-01-09T16:29:13.52 0.1 undecidable manual P 254 0.0944 147 0.12 99
IV.MIDA.HHZ. 2018-01-09T16:29:13.41 0.1 positive manual P 190 0.0881 148 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHN. ML:2 0.0008555 1.32 AML other m 2018-01-09T16:29:16.91
IV.MIDA.HHE. ML:2 0.00087 1.78 AML other m 2018-01-09T16:29:16.10
IV.RNI2.HHN. ML:2.3 0.00147 0.66 AML other m 2018-01-09T16:29:17.60
IV.RNI2.HNN. ML:2.2 0.001375 0.66 AML other m 2018-01-09T16:29:17.60
IV.RNI2.HNE. ML:2.1 0.0010365 0.5 AML other m 2018-01-09T16:29:17.56
IV.RNI2.HHE. ML:2.1 0.0010765 0.48 AML other m 2018-01-09T16:29:17.55
IV.LPEL.HHE. ML:1.7 0.000188 0.64 AML other m 2018-01-09T16:29:22.72
IV.LPEL.HHN. ML:1.8 0.000225 0.52 AML other m 2018-01-09T16:29:23.39
IV.INTR.HHE. ML:1.4 8.035E-5 0.52 AML other m 2018-01-09T16:29:25.45
IV.INTR.HHN. ML:1.6 0.0001265 0.68 AML other m 2018-01-09T16:29:25.26
IV.T1299.EHE. ML:2.5 0.0001875 0.08 AML other m 2018-01-09T16:29:49.13
IV.T1299.EHN. ML:2.5 0.0001935 0.9 AML other m 2018-01-09T16:29:51.39
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://cnt.rm.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