Earthquake with magnitude of ML 1.4 on date 15-03-2020 and time 00:51:58 (Italy) in region 2 km NE Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 2 km NE Norcia (PG), on

  • 14-03-2020 23:51:58 (UTC)
  • 15-03-2020 00:51:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8120, 13.1040 at 11 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
Norcia PG 2 4957 4957
Preci PG 9 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 13 3217 9179
Visso MC 13 1107 10286
Ussita MC 15 444 10730
Cerreto di Spoleto PG 15 1075 11805
Arquata del Tronto AP 16 1178 12983
Sellano PG 17 1079 14062
Accumoli RI 17 667 14729
Poggiodomo PG 18 117 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
99 Km W of Pescara (121014 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 1.4 2020-03-14
23:51:58
42.8115 13.1043 11 2020-03-15
00:01:06
Sala Sismica INGV-Roma 77260401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-14 23:51:58 ± 0.06
Latitude 42.8115 ± 0.0027
Longitude 13.1043 ± 0.0074
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77260401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 609
Semi-minor axis of confidence ellipse (meter) 238
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31296
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 77260401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-15 00:01:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTCL.HGZ. 2020-03-14T23:52:36.40 3.0 undecidable manual P 0
IV.RM33.HNE. 2020-03-14T23:52:10.24 0.6 undecidable manual S 165 34.743 50 -0.07 47
IV.CSP1.EHZ. 2020-03-14T23:52:09.73 0.3 undecidable manual S 15 32.1456 50 0.1 70
IV.LNSS.HNZ. 2020-03-14T23:52:07.36 0.6 undecidable manual S 193 23.754 50 -0.02 48
IV.T1299.EHE. 2020-03-14T23:52:07.70 0.6 undecidable manual S 144 24.4533 50 0.14 47
IV.TERO.HHZ. 2020-03-14T23:52:07.00 3.0 negative manual P 0.06 0
IV.FDMO.HHZ. 2020-03-14T23:52:07.60 0.3 undecidable manual S 357 24.9528 50 -0.12 71
IV.MMO1.EHZ. 2020-03-14T23:52:06.24 0.3 undecidable manual S 62 20.5683 50 -0.28 69
IV.CSP1.EHZ. 2020-03-14T23:52:05.01 0.1 undecidable manual P 15 32.1456 50 0.05 94
IV.RM33.HNE. 2020-03-14T23:52:05.47 0.6 undecidable manual P 165 34.743 50 0.11 46
IV.MC2.EHZ. 2020-03-14T23:52:04.76 0.3 undecidable manual S 32 13.0758 130 0.25 70
IV.MMO1.EHZ. 2020-03-14T23:52:03.06 0.1 undecidable manual P 62 20.5683 50 -0.1 95
IV.FDMO.HHZ. 2020-03-14T23:52:03.88 0.1 undecidable manual P 357 24.9528 50 0.03 96
IV.LNSS.HNZ. 2020-03-14T23:52:03.62 0.1 undecidable manual P 193 23.754 50 -0.04 96
IV.T1299.EHE. 2020-03-14T23:52:03.86 0.1 undecidable manual P 144 24.4533 50 0.09 95
IV.NRCA.HHZ. 2020-03-14T23:52:02.14 0.3 undecidable manual S 18 2.5974 167 -0.37 70
IV.MC2.EHZ. 2020-03-14T23:52:02.16 0.1 undecidable manual P 32 13.0758 130 0.15 95
IV.NRCA.HHZ. 2020-03-14T23:52:00.86 0.1 undecidable manual P 18 2.5974 167 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.5 0.0005735 0.08 AML other m 2020-03-14T23:52:02.23
IV.NRCA.HHE. ML:1.2 0.00029049999999999996 0.18 AML other m 2020-03-14T23:52:02.60
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