Earthquake with magnitude of ML 1.7 on date 01-05-2020 and time 09:46:29 (Italy) in region 7 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.7 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on

  • 01-05-2020 07:46:29 (UTC)
  • 01-05-2020 09:46:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8480, 13.2020 at 8 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
Castelsantangelo sul Nera MC 7 281 281
Norcia PG 11 4957 5238
Montegallo AP 11 523 5761
Arquata del Tronto AP 11 1178 6939
Montemonaco AP 12 604 7543
Ussita MC 12 444 7987
Visso MC 13 1107 9094
Preci PG 14 724 9818
Montefortino FM 16 1178 10996
Bolognola MC 17 142 11138
Accumoli RI 17 667 11805
Acquasanta Terme AP 19 2916 14721
Amandola FM 20 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
89 Km S of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.7 2020-05-01
07:46:29
42.8478 13.2015 8 2020-11-19
12:36:49
Bollettino Sismico Italiano INGV 80266371
Reviewed
Rev100
ML 1.7 2020-05-01
07:46:29
42.8478 13.2035 8 2020-05-01
07:52:42
Sala Sismica INGV-Roma 78716611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-01 07:46:29 ± 0.1
Latitude 42.8478 ± 0.0036
Longitude 13.2015 ± 0.0061
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80266371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 476
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
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 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.31386
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 78716611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-01 07:52:42

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 80266371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-17 16:22:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.HNE. 2020-05-01T07:46:41.96 0.6 undecidable manual S 328 34.8429 50 0.19 46
IV.CESI.HHZ. 2020-05-01T07:46:40.51 0.6 undecidable manual S 306 29.748 106 0.38 45
IV.GUMA.HHZ. 2020-05-01T07:46:39.48 0.6 undecidable manual S 24 26.1516 108 0.54 43
IV.T1299.HNE. 2020-05-01T07:46:39.05 0.6 undecidable manual S 164 24.5532 109 0.63 42
IV.CSP1.EHZ. 2020-05-01T07:46:39.39 0.6 undecidable manual S 1 27.0507 107 0.15 47
IV.MF5.EHZ. 2020-05-01T07:46:39.51 0.6 undecidable manual S 53 26.0517 108 0.6 42
IV.FDMO.HHZ. 2020-05-01T07:46:37.83 0.6 undecidable manual S 336 22.8549 110 -0.03 49
IV.MML1.HNE. 2020-05-01T07:46:36.28 0.3 undecidable manual P 328 34.8429 50 -0.27 68
IV.CESI.HHZ. 2020-05-01T07:46:35.46 0.6 positive manual P 306 29.748 106 -0.14 47
IV.CSP1.EHZ. 2020-05-01T07:46:34.90 0.6 undecidable manual P 1 27.0507 107 -0.18 47
IV.MF5.EHZ. 2020-05-01T07:46:34.98 0.6 positive manual P 53 26.0517 108 0.08 48
IT.MTCL.HGZ. 2020-05-01T07:46:34.21 0.3 undecidable manual P 315 23.0547 110 -0.11 72
IV.FDMO.HHZ. 2020-05-01T07:46:34.16 1.0 undecidable manual P 336 22.8549 110 -0.13 24
IV.GUMA.HHZ. 2020-05-01T07:46:34.98 0.1 negative manual P 24 26.1516 108 0.07 96
IV.T1299.HNE. 2020-05-01T07:46:34.51 0.1 undecidable manual P 164 24.5532 109 -0.1 96
IV.MC2.EHZ. 2020-05-01T07:46:33.09 0.6 undecidable manual S 352 7.0929 140 -0.13 49
IV.NRCA.HHZ. 2020-05-01T07:46:33.41 0.6 undecidable manual S 257 7.2927 139 0.16 49
IV.MMO1.EHZ. 2020-05-01T07:46:33.93 0.6 undecidable manual S 61 11.6772 126 -0.46 45
IV.NRCA.HHZ. 2020-05-01T07:46:31.58 0.1 positive manual P 257 7.2927 139 -0.05 100
IV.MMO1.EHZ. 2020-05-01T07:46:31.90 0.1 undecidable manual P 61 11.6772 126 -0.38 93
IV.MC2.EHZ. 2020-05-01T07:46:31.58 0.3 undecidable manual P 352 7.0929 140 -0.03 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.2 0.00263 0.16 AML other m 2020-05-01T07:46:33.54
IV.NRCA.HNE. ML:2.2 0.0024349999999999997 0.16 AML other m 2020-05-01T07:46:33.55
IV.NRCA.HHN. ML:1.9 0.0014 0.6 AML other m 2020-05-01T07:46:34.01
IV.NRCA.HNN. ML:1.9 0.001365 0.4 AML other m 2020-05-01T07:46:34.51
IV.GUMA.HHE. ML:1.8 0.000412 0.2 AML other m 2020-05-01T07:46:39.70
IV.GUMA.HHN. ML:1.6 0.000254 0.58 AML other m 2020-05-01T07:46:40.34
IV.FDMO.HHE. ML:1.0 0.000059999999999999995 0.42 AML other m 2020-05-01T07:46:40.90
IV.FDMO.HHN. ML:0.8 0.00004565 0.48 AML other m 2020-05-01T07:46:40.71
IV.CESI.HHN. ML:1.3 0.00009425 0.2 AML other m 2020-05-01T07:46:40.78
IV.CESI.HHE. ML:1.2 0.00006755 1.16 AML other m 2020-05-01T07:46:42.15
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download