INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.1 on date 19-04-2017 and time 15:15:17 (Italy) in region 3 km SW Fiastra (MC)

A magnitude ML 2.1 earthquake occured in region: 3 km SW Fiastra (MC), on

  • 19-04-2017 13:15:17 (UTC)
  • 19-04-2017 15:15:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.01, 13.14 at 8 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
Fiastra MC 3 559 559
Acquacanina MC 4 121 680
Fiordimonte MC 5 202 882
Pievebovigliana MC 7 866 1748
Ussita MC 8 444 2192
Bolognola MC 8 142 2334
Pieve Torina MC 8 1458 3792
Visso MC 10 1107 4899
Muccia MC 11 915 5814
Monte Cavallo MC 11 145 5959
Castelsantangelo sul Nera MC 13 281 6240
Sarnano MC 14 3264 9504
Camerino MC 15 6974 16478
Cessapalombo MC 15 512 16990
Caldarola MC 16 1823 18813
Serravalle di Chienti MC 16 1070 19883
Preci PG 17 724 20607
Camporotondo di Fiastrone MC 17 563 21170
Gualdo MC 18 815 21985
San Ginesio MC 18 3498 25483
Amandola FM 18 3629 29112
Montefortino FM 18 1178 30290
Belforte del Chienti MC 19 1886 32176
Serrapetrona MC 19 966 33142
Montemonaco AP 20 604 33746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
77 Km N of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
100 Km NW of Montesilvano (53738 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 2017-04-19
13:15:17
43.01 13.14 ML 2.1 8 2017-06-07
08:07:45
Sala Sismica INGV-Roma 44094761
Best location and best magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-19 13:15:17 ± 0.11
Latitude 43.01 ± 0.00
Longitude 13.14 ± 0.00
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 44094761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 373
Semi-minor axis of confidence ellipse (meter) 369
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) 410
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.34264
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 44094761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-19 13:25:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.T0110.HHZ. 2017-04-19T13:15:49.95 3.0 undecidable manual S -1.65 0
IV.MPAG.EHZ. 2017-04-19T13:15:42.70 3.0 undecidable manual S -0.07 0
IV.ATVO.HHZ. 2017-04-19T13:15:41.31 3.0 undecidable manual S 0.09 0
IV.CESX.HHZ. 2017-04-19T13:15:38.48 3.0 undecidable manual S 0.21 0
IV.ARVD.HHZ. 2017-04-19T13:15:27.52 3.0 positive manual P -0.7 0
IV.T1211.EHZ. 2017-04-19T13:15:36.83 3.0 undecidable manual S -0.02 0
IV.FSSB.HHZ. 2017-04-19T13:15:32.68 3.0 positive manual P 0.13 0
IV.PIEI.HHZ. 2017-04-19T13:15:31.13 3.0 negative manual P -0.31 0
IV.T1218.EHZ. 2017-04-19T13:15:24.64 0.3 undecidable manual P 183 0.3426 50 -0.41 66
IV.T1217.EHZ. 2017-04-19T13:15:24.60 0.1 undecidable manual P 207 0.3354 50 -0.33 90
IV.MURB.HHZ. 2017-04-19T13:15:28.14 3.0 negative manual P 0.44 0
IV.T1212.EHZ. 2017-04-19T13:15:23.36 0.1 undecidable manual P 194 0.2689 105 -0.23 93
IV.OFFI.HHZ. 2017-04-19T13:15:27.14 3.0 positive manual P 0 0
IV.RM33.EHZ. 2017-04-19T13:15:27.97 3.0 negative manual P -0.36 0
IV.TERO.HHZ. 2017-04-19T13:15:27.71 3.0 undecidable manual P -1.48 0
IV.T1214.EHZ. 2017-04-19T13:15:23.15 0.1 undecidable manual P 168 0.2581 106 -0.2 94
IV.SSFR.HHZ. 2017-04-19T13:15:27.48 3.0 negative manual P -0.28 0
IV.FOSV.EHZ. 2017-04-19T13:15:25.61 3.0 positive manual P 0.33 0
IV.CING.HHZ. 2017-04-19T13:15:25.02 3.0 negative manual P -0.48 0
IV.ATCC.EHZ. 2017-04-19T13:15:25.95 3.0 negative manual P 0.74 0
IV.T1216.EHZ. 2017-04-19T13:15:21.12 0.1 undecidable manual P 215 0.1493 116 0.05 99
IV.EL6.EHZ. 2017-04-19T13:15:24.11 3.0 negative manual P -0.16 0
IV.T1245.HHZ. 2017-04-19T13:15:21.27 0.1 undecidable manual P 166 0.1601 114 -0.03 99
IV.MMO1.EHZ. 2017-04-19T13:15:21.54 0.1 negative manual P 129 0.179 112 -0.15 96
IV.GUMA.HHZ. 2017-04-19T13:15:21.73 0.1 undecidable manual P 71 0.1538 115 0.57 87
IV.CESI.HHZ. 2017-04-19T13:15:21.59 0.1 undecidable manual P 268 0.17 113 0.1 97
IV.ASSB.HHZ. 2017-04-19T13:15:24.76 3.0 positive manual P 0.84 0
IV.LNSS.HHZ. 2017-04-19T13:15:24.66 3.0 undecidable manual P -1.38 0
IV.SNTG.HHZ. 2017-04-19T13:15:23.47 3.0 positive manual P 0.44 0
IV.T1241.EHZ. 2017-04-19T13:15:23.25 3.0 positive manual P -0.5 0
IV.MC2.EHZ. 2017-04-19T13:15:20.30 0.1 positive manual P 159 0.1079 124 0.02 100
IV.T1219.HNZ. 2017-04-19T13:15:20.18 0.1 undecidable manual P 294 0.1052 125 -0.05 99
IV.NRCA.HHZ. 2017-04-19T13:15:21.71 0.6 undecidable manual P 185 0.1799 112 0.02 49
IV.FEMA.HNZ. 2017-04-19T13:15:19.91 0.1 undecidable manual P 232 0.0809 132 0.11 99
IV.T1256.HHZ. 2017-04-19T13:15:19.41 0.1 positive manual P 95 0.0657 138 -0.16 98
IV.FDMO.HHZ. 2017-04-19T13:15:18.83 0.1 undecidable manual P 304 0.0432 149 -0.44 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.8 0.0001584377 0.16 AML other m 2017-04-19T13:15:37.12
IV.ARVD.HHN. ML:1.7 0.000113046075 0.1408 AML other m 2017-04-19T13:15:36.93
IV.ASSB.HHE. ML:2.3 0.00084724735 0.2816 AML other m 2017-04-19T13:15:31.09
IV.ASSB.HHN. ML:2.2 0.0006020575 0.1984 AML other m 2017-04-19T13:15:31.23
IV.ATCC.EHE. ML:2.5 0.0010249308 0.2624 AML other m 2017-04-19T13:15:33.40
IV.ATCC.EHN. ML:2.2 0.00043605125 0.224 AML other m 2017-04-19T13:15:33.24
IV.CESI.HHN. ML:2.3 0.0016961795 0.3584 AML other m 2017-04-19T13:15:25.76
IV.CESI.HHE. ML:2.2 0.0014320715 0.384 AML other m 2017-04-19T13:15:25.00
IV.CING.HHE. ML:1.9 0.00025380445 0.1408 AML other m 2017-04-19T13:15:32.07
IV.CING.HHN. ML:1.8 0.0002339727 0.1792 AML other m 2017-04-19T13:15:32.69
IV.EL6.EHN. ML:2.1 0.0004950322 0.1792 AML other m 2017-04-19T13:15:32.14
IV.EL6.EHE. ML:2.1 0.0005259063 0.2176 AML other m 2017-04-19T13:15:32.52
IV.FDMO.HHN. ML:0 0.0049536985 0.16 AML other m 2017-04-19T13:15:20.34
IV.FDMO.HHE. ML:0 0.0038655435 0.16 AML other m 2017-04-19T13:15:20.40
IV.FOSV.EHN. ML:2.2 0.0005091152 0.2176 AML other m 2017-04-19T13:15:33.15
IV.FOSV.EHE. ML:2 0.00033693635 0.1856 AML other m 2017-04-19T13:15:32.49
IV.FSSB.HHN. ML:2.7 0.00070730515 0.32 AML other m 2017-04-19T13:15:45.17
IV.FSSB.HHE. ML:2.3 0.00028257375 0.2624 AML other m 2017-04-19T13:15:46.03
IV.GUMA.HNE. ML:2.5 0.003183438 0.5184 AML other m 2017-04-19T13:15:28.89
IV.GUMA.HHE. ML:2.5 0.002906756 0.4992 AML other m 2017-04-19T13:15:28.63
IV.GUMA.HHN. ML:2.4 0.0025136545 0.544 AML other m 2017-04-19T13:15:29.69
IV.GUMA.HNN. ML:2.4 0.002543471 0.7296 AML other m 2017-04-19T13:15:30.54
IV.MURB.HHN. ML:2.2 0.00033054705 0.2368 AML other m 2017-04-19T13:15:38.54
IV.MURB.HHE. ML:2.5 0.00065043435 0.3392 AML other m 2017-04-19T13:15:37.47
IV.MURB.HNE. ML:2.4 0.00059764955 0.3392 AML other m 2017-04-19T13:15:37.47
IV.MURB.HNN. ML:2.2 0.00031901125 0.2752 AML other m 2017-04-19T13:15:37.97
IV.NRCA.HHE. ML:2.3 0.0014347345 0.16 AML other m 2017-04-19T13:15:27.86
IV.NRCA.HHN. ML:2.2 0.0011741115 0.096 AML other m 2017-04-19T13:15:28.11
IV.NRCA.HNN. ML:2.1 0.0010841432 0.1088 AML other m 2017-04-19T13:15:28.11
IV.NRCA.HNE. ML:2.2 0.001360042 0.16 AML other m 2017-04-19T13:15:27.78
IV.OFFI.HHN. ML:2 0.00033497475 1.024 AML other m 2017-04-19T13:15:35.51
IV.PIEI.HHN. ML:1.7 6.776089E-5 0.1792 AML other m 2017-04-19T13:15:42.87
IV.PIEI.HHE. ML:1.7 6.7886875E-5 0.1408 AML other m 2017-04-19T13:15:44.96
IV.RM33.EHN. ML:1.9 0.00017231945 0.1856 AML other m 2017-04-19T13:15:38.18
IV.RM33.EHE. ML:1.6 9.734453E-5 0.16 AML other m 2017-04-19T13:15:39.88
IV.RM33.HNE. ML:1.8 0.00015406968 0.3008 AML other m 2017-04-19T13:15:37.56
IV.RM33.HNN. ML:1.9 0.00018691895 0.2624 AML other m 2017-04-19T13:15:38.04
IV.SNTG.HHE. ML:1.7 0.00024068995 0.2432 AML other m 2017-04-19T13:15:29.78
IV.SNTG.HHN. ML:1.6 0.00020354255 0.1216 AML other m 2017-04-19T13:15:30.03
IV.SNTG.HNE. ML:1.7 0.0002414241 0.2304 AML other m 2017-04-19T13:15:29.90
IV.SSFR.HHE. ML:2.4 0.0006882748 0.2176 AML other m 2017-04-19T13:15:37.53
IV.SSFR.HNN. ML:2.3 0.00048481855 0.1984 AML other m 2017-04-19T13:15:37.96
IV.SSFR.HNE. ML:2.5 0.00071739695 0.192 AML other m 2017-04-19T13:15:37.53
IV.SSFR.HHN. ML:2.3 0.00048406065 0.1984 AML other m 2017-04-19T13:15:37.96
IV.T1212.EHN. ML:2 0.00050608755 0.32 AML other m 2017-04-19T13:15:29.64
IV.T1212.HNN. ML:2 0.0005157901 0.416 AML other m 2017-04-19T13:15:30.61
IV.T1212.HNE. ML:1.9 0.000359697895 0.352 AML other m 2017-04-19T13:15:32.04
IV.T1212.EHE. ML:1.9 0.00036323595 0.2112 AML other m 2017-04-19T13:15:32.64
IV.T1214.EHE. ML:2 0.0005305833 0.2112 AML other m 2017-04-19T13:15:28.80
IV.T1214.EHN. ML:2.1 0.0006970616 0.2432 AML other m 2017-04-19T13:15:29.70
IV.T1214.HNN. ML:2.1 0.0007078901 0.2432 AML other m 2017-04-19T13:15:29.70
IV.T1214.HNE. ML:2 0.00056245105 0.2048 AML other m 2017-04-19T13:15:28.79
IV.T1216.EHE. ML:2.4 0.002360866 0.3392 AML other m 2017-04-19T13:15:24.40
IV.T1216.EHN. ML:2.4 0.0021953065 0.2752 AML other m 2017-04-19T13:15:25.45
IV.T1217.HNE. ML:1.9 0.0003159479 0.4992 AML other m 2017-04-19T13:15:34.65
IV.T1217.EHN. ML:1.8 0.0002551462 0.4032 AML other m 2017-04-19T13:15:32.99
IV.T1217.EHE. ML:1.9 0.0002928803 0.4992 AML other m 2017-04-19T13:15:34.65
IV.T1218.EHE. ML:1.7 0.000182171 0.192 AML other m 2017-04-19T13:15:34.26
IV.T1218.EHN. ML:1.8 0.00022805755 0.224 AML other m 2017-04-19T13:15:33.27
IV.T1218.HNE. ML:1.8 0.000227469315 0.192 AML other m 2017-04-19T13:15:34.26
IV.T1218.HNN. ML:1.8 0.00023236435 0.32 AML other m 2017-04-19T13:15:37.01
IV.T1241.HNN. ML:1.7 0.0002658945 0.3008 AML other m 2017-04-19T13:15:31.69
IV.T1241.EHN. ML:1.7 0.00026099175 0.32 AML other m 2017-04-19T13:15:31.69
IV.T1241.HNE. ML:1.7 0.00026976965 0.2176 AML other m 2017-04-19T13:15:29.93
IV.T1241.EHE. ML:1.7 0.00026559695 0.224 AML other m 2017-04-19T13:15:30.04
IV.T1245.HHN. ML:2.3 0.0019227185 0.2752 AML other m 2017-04-19T13:15:25.07
IV.T1245.HNE. ML:2.2 0.001320818 0.192 AML other m 2017-04-19T13:15:25.08
IV.T1245.HHE. ML:2.1 0.00106720495 0.1984 AML other m 2017-04-19T13:15:25.62
IV.T1245.HNN. ML:2.3 0.001810788 0.2688 AML other m 2017-04-19T13:15:25.08
IV.T1256.HNN. ML:2.3 0.003097827 0.32 AML other m 2017-04-19T13:15:21.99
IV.T1256.HHE. ML:2.3 0.0032946785 0.4032 AML other m 2017-04-19T13:15:21.87
IV.T1256.HNE. ML:2.3 0.0031890625 0.3904 AML other m 2017-04-19T13:15:21.87
IV.T1256.HHN. ML:2.2 0.0029482575 0.32 AML other m 2017-04-19T13:15:21.99
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