Earthquake with magnitude of ML 0.6 on date 05-01-2021 and time 00:58:47 (Italy) in region 4 km N Accumoli (RI)

A magnitude ML 0.6 earthquake occured in region: 4 km N Accumoli (RI), on

  • 04-01-2021 23:58:47 (UTC)
  • 05-01-2021 00:58:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.729, 13.261 at 15 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
Accumoli RI 4 667 667
Arquata del Tronto AP 6 1178 1845
Amatrice RI 11 2657 4502
Acquasanta Terme AP 13 2916 7418
Montegallo AP 14 523 7941
Cittareale RI 15 482 8423
Norcia PG 15 4957 13380
Valle Castellana TE 19 977 14357
Montemonaco AP 20 604 14961

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
52 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
83 Km W of Pescara (121014 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NE of Tivoli (56533 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 0.6 2021-01-04
23:58:47
42.7292 13.2607 15 2021-07-12
16:54:56
Bollettino Sismico Italiano INGV 86553721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-04 23:58:47 ± 0.07
Latitude 42.7292 ± 0.0027
Longitude 13.2607 ± 0.0049
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86553721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 387
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 390
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 22
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) 0.37951
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 86553721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-25 08:14:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
CR.STON.BHZ. 2021-01-05T00:00:23.44 3.0 undecidable manual Sn 5.31 0
IV.MTGR.HHZ. 2021-01-04T23:59:46.61 3.0 positive manual Pn 0.45 0
IV.MTMR.EHZ. 2021-01-04T23:59:42.90 3.0 undecidable manual Sn 0.07 0
IV.CESI.HHE. 2021-01-04T23:59:01.56 0.6 undecidable manual S 317 0.3795 97 0.08 48
IV.FDMO.HHN. 2021-01-04T23:59:00.07 0.3 undecidable manual S 338 0.3327 98 -0.03 72
IV.MF5.EHZ. 2021-01-04T23:58:59.44 0.6 undecidable manual S 29 0.2968 100 0.38 45
IV.TERO.HHZ. 2021-01-04T23:58:58.24 0.3 undecidable manual S 113 0.2734 101 -0.15 73
IV.CAMP.HHE. 2021-01-04T23:58:56.85 0.3 undecidable manual S 151 0.2221 106 -0.04 75
IV.MC2.EHZ. 2021-01-04T23:58:56.00 0.3 undecidable manual S 344 0.1898 110 0.01 75
IV.MMO1.EHZ. 2021-01-04T23:58:55.64 0.3 undecidable manual S 16 0.1772 113 0 75
IV.CSP1.EHZ. 2021-01-04T23:58:55.10 3.0 undecidable manual Pg 0
IV.CESI.HHE. 2021-01-04T23:58:55.57 0.1 undecidable manual P 317 0.3795 97 -0.1 94
IV.SMA1.EHZ. 2021-01-04T23:58:54.06 0.3 undecidable manual S 151 0.1124 129 0.06 75
IV.FDMO.HHN. 2021-01-04T23:58:54.79 0.6 undecidable manual P 338 0.3327 98 -0.08 48
IV.NRCA.HHZ. 2021-01-04T23:58:54.61 0.6 undecidable manual S 314 0.1502 119 -0.3 47
IV.MF5.EHZ. 2021-01-04T23:58:54.74 0.6 undecidable manual P 29 0.2968 100 0.47 44
IV.LAV9.HNZ. 2021-01-04T23:58:54.24 3.0 negative manual P -0.04 0
IV.CAMP.HHE. 2021-01-04T23:58:53.04 0.3 undecidable manual P 151 0.2221 106 0.02 74
IV.MTRA.EHE. 2021-01-04T23:58:53.58 0.3 undecidable manual S 75 0.1034 133 -0.22 73
IV.TERO.HHZ. 2021-01-04T23:58:53.72 0.3 undecidable manual P 113 0.2734 101 -0.16 72
IV.T1299.HNN. 2021-01-04T23:58:53.63 0.3 undecidable manual S 171 0.0962 135 0 76
IV.MC2.EHZ. 2021-01-04T23:58:52.55 0.3 undecidable manual P 344 0.1898 110 0.05 75
IV.MMO1.EHZ. 2021-01-04T23:58:52.31 0.1 undecidable manual P 16 0.1772 113 0.02 100
IV.T1299.HNN. 2021-01-04T23:58:51.34 0.3 undecidable manual P 171 0.0962 135 0.2 73
IV.SMA1.EHZ. 2021-01-04T23:58:51.48 0.3 undecidable manual P 151 0.1124 129 0.13 74
IV.MTRA.EHE. 2021-01-04T23:58:51.11 0.6 undecidable manual P 75 0.1034 133 -0.12 50
IV.NRCA.HHZ. 2021-01-04T23:58:51.85 0.3 undecidable manual P 314 0.1502 119 -0.02 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.5 2.8048585E-5 2.2784 AML other m 2021-01-04T23:58:54.48
IV.SMA1.EHE. ML:0.6 3.275911E-5 1.6384 AML other m 2021-01-04T23:58:54.27
IV.TERO.HHN. ML:0.6 2.156127E-5 1.4848 AML other m 2021-01-04T23:58:58.67
IV.TERO.HHE. ML:0.6 2.0591215E-5 1.0368 AML other m 2021-01-04T23:58:58.42
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