Earthquake with magnitude of ML 0.8 on date 20-03-2020 and time 04:20:51 (Italy) in region 7 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.8 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on

  • 20-03-2020 03:20:51 (UTC)
  • 20-03-2020 04:20:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8480, 13.2120 at 15 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
Castelsantangelo sul Nera MC 7 281 281
Montegallo AP 10 523 804
Arquata del Tronto AP 11 1178 1982
Montemonaco AP 11 604 2586
Norcia PG 11 4957 7543
Ussita MC 12 444 7987
Visso MC 14 1107 9094
Preci PG 15 724 9818
Montefortino FM 15 1178 10996
Bolognola MC 16 142 11138
Accumoli RI 17 667 11805
Acquasanta Terme AP 18 2916 14721
Amandola FM 19 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
89 Km S of Ancona (100861 inhabitants)
92 Km W of Pescara (121014 inhabitants)
96 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
Reviewed
Rev100
ML 0.8 2020-03-20
03:20:51
42.8478 13.212 15 2020-03-20
03:28:46
Sala Sismica INGV-Roma 77392991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-20 03:20:51 ± 0.11
Latitude 42.8478 ± 0.0045
Longitude 13.2120 ± 0.0074
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77392991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 617
Semi-minor axis of confidence ellipse (meter) 152
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.36512
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.5
Num. used stations 16
Type of magnitude ML
Reference to an origin 77392991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-20 03:28:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-03-20T03:21:04.81 0.3 undecidable manual S 128 40.5261 98 -0.28 67
IV.LNSS.HHN. 2020-03-20T03:21:03.06 0.6 undecidable manual S 207 30.5472 103 0.58 42
IV.GUMA.HHE. 2020-03-20T03:21:01.70 0.6 undecidable manual S 23 25.8519 107 0.44 45
IV.MF5.EHZ. 2020-03-20T03:21:01.63 0.6 undecidable manual S 52 25.4523 107 0.48 45
IV.CSP1.EHZ. 2020-03-20T03:21:01.54 0.6 undecidable manual S 359 27.0507 105 -0.03 49
IV.FDMO.HHZ. 2020-03-20T03:21:00.50 0.6 undecidable manual S 334 23.2545 109 -0.1 48
IT.MTCL.HGN. 2020-03-20T03:21:00.67 0.6 undecidable manual S 313 23.6541 109 -0.04 49
IV.T1299.HNE. 2020-03-20T03:21:00.91 0.6 undecidable manual S 166 24.3534 108 0.03 49
IV.SMA1.EHZ. 2020-03-20T03:21:00.97 0.6 undecidable manual S 157 26.1516 106 -0.36 46
IV.TERO.HHZ. 2020-03-20T03:20:59.19 0.6 undecidable manual P 128 40.5261 98 -0.26 45
IV.OFFI.HHZ. 2020-03-20T03:20:59.84 0.6 negative manual P 76 39.7269 99 0.52 43
IV.CSP1.EHZ. 2020-03-20T03:20:57.32 0.6 undecidable manual P 359 27.0507 105 -0.09 48
IV.T1299.HNE. 2020-03-20T03:20:57.54 0.1 undecidable manual P 166 24.3534 108 0.52 88
IV.SMA1.EHZ. 2020-03-20T03:20:57.34 1.0 undecidable manual P 157 26.1516 106 0.07 24
IV.MMO1.EHZ. 2020-03-20T03:20:57.18 0.6 undecidable manual S 59 10.9779 136 -0.62 44
IV.LNSS.HHN. 2020-03-20T03:20:57.75 0.1 undecidable manual P 207 30.5472 103 -0.19 94
IV.GUMA.HHE. 2020-03-20T03:20:57.27 0.1 undecidable manual P 23 25.8519 107 0.04 98
IV.MC2.EHZ. 2020-03-20T03:20:57.35 0.6 undecidable manual S 345 7.2927 149 0.14 49
IV.MF5.EHZ. 2020-03-20T03:20:57.28 0.6 negative manual P 52 25.4523 107 0.11 48
IV.NRCA.HHZ. 2020-03-20T03:20:57.23 0.6 undecidable manual S 259 8.0808 146 -0.09 50
IV.FDMO.HHZ. 2020-03-20T03:20:56.76 0.6 negative manual P 334 23.2545 109 -0.09 48
IT.MTCL.HGN. 2020-03-20T03:20:56.56 0.1 undecidable manual P 313 23.6541 109 -0.36 91
IV.NRCA.HHZ. 2020-03-20T03:20:55.00 0.1 positive manual P 259 8.0808 146 0.04 100
IV.MC2.EHZ. 2020-03-20T03:20:54.99 0.1 negative manual P 345 7.2927 149 0.1 99
IV.MMO1.EHZ. 2020-03-20T03:20:54.98 0.1 undecidable manual P 59 10.9779 136 -0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.5 0.0003493059 0.1008 AML other m 2020-03-20T03:20:57.36
IV.NRCA.HHN. ML:1.5 0.0003087181 0.1408 AML other m 2020-03-20T03:20:57.41
IV.NRCA.HNE. ML:1.5 0.00032574015000000003 0.1504 AML other m 2020-03-20T03:20:57.37
IV.NRCA.HNN. ML:1.5 0.00030837910000000004 0.1408 AML other m 2020-03-20T03:20:57.41
IV.FDMO.HHE. ML:0.0 0.0000072695105 0.0992 AML other m 2020-03-20T03:21:01.05
IV.FDMO.HHN. ML:0.4 0.000014009680999999999 0.1792 AML other m 2020-03-20T03:21:01.14
IV.MF5.EHE. ML:0.8 0.000033157075 0.3008 AML other m 2020-03-20T03:21:01.89
IV.MF5.EHN. ML:0.9 0.000040571215 1.4208 AML other m 2020-03-20T03:21:02.15
IV.CSP1.EHE. ML:0.5 0.000016926675000000003 0.28 AML other m 2020-03-20T03:21:02.08
IV.CSP1.EHN. ML:0.6 0.000019622162000000003 0.3408 AML other m 2020-03-20T03:21:01.67
IV.SMA1.EHE. ML:0.3 0.000008694441000000001 0.1792 AML other m 2020-03-20T03:21:02.03
IV.SMA1.EHN. ML:0.3 0.0000110566525 0.2 AML other m 2020-03-20T03:21:01.11
IV.TERO.HHE. ML:0.2 0.0000068122755000000005 0.0816 AML other m 2020-03-20T03:21:05.84
IV.TERO.HHN. ML:0.8 0.000020460575 1.0208 AML other m 2020-03-20T03:21:05.41
IV.TERO.HNE. ML:1.4 0.000080138 0.7104 AML other m 2020-03-20T03:21:06.27
IV.TERO.HNN. ML:1.5 0.00010808198 0.1392 AML other m 2020-03-20T03:21:06.17
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