Earthquake with magnitude of ML 2.0 on date 15-10-2020 and time 01:50:08 (UTC) in region 2 km E Roccafluvione (AP)

A magnitude ML 2.0 earthquake occured in region: 2 km E Roccafluvione (AP), on

  • 15-10-2020 01:50:08 (UTC)
  • 15-10-2020 03:50:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.86, 13.5 at 21 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
Roccafluvione AP 2 2010 2010
Venarotta AP 3 2066 4076
Palmiano AP 6 196 4272
Ascoli Piceno AP 6 49407 53679
Folignano AP 11 9241 62920
Force AP 12 1354 64274
Acquasanta Terme AP 12 2916 67190
Rotella AP 12 906 68096
Valle Castellana TE 13 977 69073
Comunanza AP 14 3166 72239
Castignano AP 14 2796 75035
Montegallo AP 14 523 75558
Appignano del Tronto AP 14 1785 77343
Montedinove AP 15 488 77831
Montemonaco AP 15 604 78435
Montefalcone Appennino FM 15 424 78859
Maltignano AP 15 2401 81260
Civitella del Tronto TE 16 5116 86376
Montefortino FM 16 1178 87554
Montalto delle Marche AP 17 2122 89676
Smerillo FM 17 365 90041
Castel di Lama AP 17 8634 98675
Sant'Egidio alla Vibrata TE 18 9811 108486
Offida AP 18 5058 113544
Amandola FM 18 3629 117173
Montelparo FM 18 778 117951
Santa Vittoria in Matenano FM 18 1330 119281
Rocca Santa Maria TE 19 537 119818
Arquata del Tronto AP 19 1178 120996
Castorano AP 19 2380 123376
Ancarano TE 20 1857 125233

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Teramo (54892 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
65 Km NW of Montesilvano (53738 inhabitants)
66 Km E of Foligno (57155 inhabitants)
73 Km NW of Pescara (121014 inhabitants)
77 Km E of Terni (111501 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
85 Km S of Ancona (100861 inhabitants)
95 Km E of Perugia (166134 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 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. 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 in the 90 days preceding the time of the current earthquake occurrence, 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

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 Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 2.0 2020-10-15
01:50:08
42.86 13.5 21 2020-10-15
01:56:40
Sala Sismica INGV-Roma 83788641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-15 01:50:08 ± 0.1
Latitude 42.86 ± 0.00
Longitude 13.50 ± 0.01
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83788641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 600
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 83788641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-15 01:56:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PTRJ.HNZ. 2020-10-15T01:51:01.74 3.0 undecidable manual Sg 1.58 0
IV.LAV9.HNZ. 2020-10-15T01:50:51.90 3.0 undecidable manual S 0.41 0
IV.BARO.EHZ. 2020-10-15T01:50:47.21 3.0 undecidable manual S -2.27 0
IV.PTRJ.HNZ. 2020-10-15T01:50:36.21 3.0 undecidable manual Pn -1.38 0
IV.NARO.HHZ. 2020-10-15T01:50:29.90 3.0 positive manual P 1.22 0
IV.CRTC.HHZ. 2020-10-15T01:50:29.67 3.0 negative manual P 0.84 0
IV.COR1.EHZ. 2020-10-15T01:50:27.40 3.0 negative manual P 1.54 0
IV.MURB.HNZ. 2020-10-15T01:50:24.02 3.0 positive manual P -1.14 0
IV.FOSV.EHZ. 2020-10-15T01:50:23.42 3.0 negative manual P 0.57 0
IV.ARVD.HHZ. 2020-10-15T01:50:22.90 3.0 negative manual P -1.17 0
IV.T0110.HHZ. 2020-10-15T01:50:20.77 3.0 negative manual P -1.01 0
IV.FAGN.HHZ. 2020-10-15T01:50:20.09 3.0 negative manual P -0.48 0
IV.SNTG.HHZ. 2020-10-15T01:50:19.62 3.0 undecidable manual P -0.93 0
IV.EL6.EHZ. 2020-10-15T01:50:19.25 3.0 negative manual P -1.02 0
IV.CESI.HHZ. 2020-10-15T01:50:17.95 3.0 negative manual P -0.49 0
IV.MF5.EHZ. 2020-10-15T01:50:16.00 0.6 undecidable manual S 347 0.1358 138 -0.1 49
IV.RM33.EHZ. 2020-10-15T01:50:16.88 0.3 undecidable manual P 211 0.4056 106 0.1 70
IV.MMO1.EHZ. 2020-10-15T01:50:16.00 0.3 undecidable manual S 289 0.1349 139 -0.08 74
IV.OFFI.HHZ. 2020-10-15T01:50:16.80 0.3 undecidable manual S 59 0.1565 134 0.28 71
IV.MTRA.HNZ. 2020-10-15T01:50:15.80 0.3 undecidable manual S 218 0.125 141 -0.09 75
IV.TRTR.HHZ. 2020-10-15T01:50:15.53 3.0 positive manual P 0.11 0
IV.NRCA.HHZ. 2020-10-15T01:50:15.02 3.0 negative manual P -0.06 0
IV.CAMP.HHZ. 2020-10-15T01:50:15.35 0.3 undecidable manual P 192 0.3265 111 -0.15 71
IV.FDMO.HHZ. 2020-10-15T01:50:15.90 3.0 positive manual P -0.56 0
IV.CSP1.EHZ. 2020-10-15T01:50:15.36 0.3 undecidable manual P 318 0.3211 111 -0.05 72
IV.SAP2.EHZ. 2020-10-15T01:50:14.27 0.6 undecidable manual P 343 0.2527 118 -0.08 48
IV.T1299.EHZ. 2020-10-15T01:50:14.94 0.1 undecidable manual P 216 0.2734 116 0.28 92
IV.MC2.EHZ. 2020-10-15T01:50:14.31 0.3 undecidable manual P 284 0.2356 120 0.22 71
IV.SMA1.EHZ. 2020-10-15T01:50:14.49 0.1 undecidable manual P 209 0.2554 118 0.1 96
IV.GUMA.HHZ. 2020-10-15T01:50:14.20 0.3 undecidable manual P 330 0.2401 120 0.04 74
IV.TERO.HHZ. 2020-10-15T01:50:13.98 0.1 undecidable manual P 162 0.2446 119 -0.24 94
IV.MNTT.EHZ. 2020-10-15T01:50:13.93 0.3 undecidable manual P 18 0.2176 123 0.1 73
IV.MMO1.EHZ. 2020-10-15T01:50:12.67 0.3 undecidable manual P 289 0.1349 139 -0.09 74
IV.OFFI.HHZ. 2020-10-15T01:50:12.91 0.1 undecidable manual P 59 0.1565 134 -0.1 98
IV.MTRA.HNZ. 2020-10-15T01:50:12.59 0.1 undecidable manual P 218 0.125 141 -0.05 100
IV.MF5.EHZ. 2020-10-15T01:50:12.64 0.3 undecidable manual P 347 0.1358 138 -0.12 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:2.1 0.0008895 1.5 AML other m 2020-10-15T01:50:15.13
IV.MF5.EHE. ML:1.9 0.000586 0.3 AML other m 2020-10-15T01:50:16.17
IV.MTRA.HNE. ML:2.4 0.00174 1.52 AML other m 2020-10-15T01:50:16.12
IV.MTRA.EHE. ML:2.4 0.001755 1.5 AML other m 2020-10-15T01:50:16.13
IV.MF5.EHN. ML:2.3 0.001235 0.28 AML other m 2020-10-15T01:50:16.19
IV.MTRA.HNN. ML:2.1 0.000876 0.16 AML other m 2020-10-15T01:50:16.21
IV.TERO.HHE. ML:2.2 0.000656 0.8 AML other m 2020-10-15T01:50:18.30
IV.MNTT.EHN. ML:2.6 0.0017 0.34 AML other m 2020-10-15T01:50:18.86
IV.TERO.HNE. ML:2.3 0.000916 1.28 AML other m 2020-10-15T01:50:18.30
IV.TERO.HNN. ML:2.3 0.000907 0.78 AML other m 2020-10-15T01:50:19.67
IV.TERO.HHN. ML:2.2 0.000671 0.76 AML other m 2020-10-15T01:50:19.67
IV.GUMA.HHN. ML:2.1 0.000617 0.48 AML other m 2020-10-15T01:50:19.07
IV.SMA1.EHN. ML:2.2 0.000649 0.28 AML other m 2020-10-15T01:50:19.54
IV.SMA1.EHE. ML:2 0.0003805 0.62 AML other m 2020-10-15T01:50:19.64
IV.GUMA.HHE. ML:2.2 0.0007405 0.2 AML other m 2020-10-15T01:50:20.40
IV.MNTT.EHE. ML:2.5 0.00142 0.16 AML other m 2020-10-15T01:50:20.64
IV.NRCA.HNN. ML:2.4 0.000925 0.12 AML other m 2020-10-15T01:50:20.75
IV.NRCA.HHN. ML:2.4 0.0010205 0.08 AML other m 2020-10-15T01:50:20.75
IV.NRCA.HNE. ML:2.4 0.001027 0.08 AML other m 2020-10-15T01:50:20.86
IV.NRCA.HHE. ML:2.5 0.001175 0.08 AML other m 2020-10-15T01:50:20.86
IV.SAP2.EHE. ML:2.1 0.000498 1.48 AML other m 2020-10-15T01:50:21.09
IV.SAP2.EHN. ML:2.6 0.00191 0.86 AML other m 2020-10-15T01:50:21.69
IV.CSP1.EHN. ML:2.3 0.0007755 1.24 AML other m 2020-10-15T01:50:21.32
IV.CSP1.EHE. ML:2.2 0.0005465 0.22 AML other m 2020-10-15T01:50:21.41
IV.FDMO.HHN. ML:1.8 0.000184 0.12 AML other m 2020-10-15T01:50:22.21
IV.FDMO.HHE. ML:1.7 0.0001605 1.02 AML other m 2020-10-15T01:50:22.38
IV.RM33.EHN. ML:1.8 0.0001655 0.22 AML other m 2020-10-15T01:50:24.28
IV.CAMP.HHE. ML:1.3 6.72E-5 1.28 AML other m 2020-10-15T01:50:24.82
IV.RM33.EHE. ML:1.9 0.0002075 0.76 AML other m 2020-10-15T01:50:25.41
IV.CAMP.HHN. ML:1.5 0.0001136 0.44 AML other m 2020-10-15T01:50:25.78
IV.CESI.HHE. ML:1.6 0.00010695 1.6 AML other m 2020-10-15T01:50:26.04
IV.CESI.HHN. ML:1.8 0.000142 1 AML other m 2020-10-15T01:50:26.57
IV.EL6.EHN. ML:1.8 0.000115 1.64 AML other m 2020-10-15T01:50:31.99
IV.EL6.EHE. ML:1.8 0.00011345 0.52 AML other m 2020-10-15T01:50:35.38
IV.FOSV.EHE. ML:1.7 7.5E-5 0.32 AML other m 2020-10-15T01:50:36.47
IV.FOSV.EHN. ML:1.7 6.72E-5 1.72 AML other m 2020-10-15T01:50:37.03
IV.FAGN.HHN. ML:1.8 0.00010895 1.64 AML other m 2020-10-15T01:50:38.94
IV.FAGN.HHE. ML:1.9 0.0001265 0.42 AML other m 2020-10-15T01:50:40.43
IV.ARVD.HHN. ML:1.5 4.22E-5 1.46 AML other m 2020-10-15T01:50:40.84
IV.T0110.HHN. ML:1.8 0.0001069 0.42 AML other m 2020-10-15T01:50:41.00
IV.ARVD.HHE. ML:1.5 3.815E-5 0.52 AML other m 2020-10-15T01:50:42.71
IV.MURB.HHE. ML:2 9.995E-5 1.18 AML other m 2020-10-15T01:50:43.28
IV.MURB.HHN. ML:2 0.000113 0.52 AML other m 2020-10-15T01:50:44.26
IV.NARO.HHE. ML:1.6 3.615E-5 0.52 AML other m 2020-10-15T01:50:46.23
IV.T0110.HHE. ML:1.8 8.345E-5 0.42 AML other m 2020-10-15T01:50:47.70
IV.NARO.HHN. ML:1.6 3.46E-5 1.08 AML other m 2020-10-15T01:50:48.03
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