Earthquake with magnitude of ML 0.6 on date 12-03-2020 and time 21:54:18 (UTC) in region 2 km SE Accumoli (RI)

A magnitude ML 0.6 earthquake occured in region: 2 km SE Accumoli (RI), on

  • 12-03-2020 21:54:18 (UTC)
  • 12-03-2020 22:54:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6870, 13.2640 at 10 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
Accumoli RI 2 667 667
Amatrice RI 7 2657 3324
Arquata del Tronto AP 10 1178 4502
Cittareale RI 11 482 4984
Acquasanta Terme AP 15 2916 7900
Campotosto AQ 17 542 8442
Montereale AQ 18 2581 11023
Montegallo AP 18 523 11546
Norcia PG 18 4957 16503
Capitignano AQ 19 665 17168
Valle Castellana TE 20 977 18145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
52 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
100 Km E of Viterbo (67173 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 0.6 2020-03-12
21:54:18
42.6873 13.2645 11 2020-03-12
22:06:16
Sala Sismica INGV-Roma 77224381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-12 21:54:18 ± 0.05
Latitude 42.6873 ± 0.0027
Longitude 13.2645 ± 0.0037
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 77224381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 297
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 99
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 77224381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-12 22:06:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-03-12T21:54:32.42 0.3 undecidable manual S 340 41.3253 50 0.27 67
IV.TERO.HHZ. 2020-03-12T21:54:28.41 0.3 undecidable manual S 104 28.6491 50 -0.35 67
IV.MC2.EHZ. 2020-03-12T21:54:28.20 0.3 undecidable manual S 346 25.5522 50 0.25 69
IV.MMO1.EHZ. 2020-03-12T21:54:27.41 0.3 undecidable manual S 12 24.0537 50 -0.13 71
IV.FDMO.HHZ. 2020-03-12T21:54:26.30 0.6 undecidable manual P 340 41.3253 50 -0.09 46
IV.LNSS.HNE. 2020-03-12T21:54:26.39 0.1 undecidable manual S 243 20.5683 117 -0.14 95
IV.NRCA.HHZ. 2020-03-12T21:54:26.13 0.3 undecidable manual S 323 20.2686 117 -0.32 69
IV.RM33.EHZ. 2020-03-12T21:54:26.21 0.3 undecidable manual S 192 20.1687 117 -0.21 70
IV.TERO.HHZ. 2020-03-12T21:54:24.38 0.1 undecidable manual P 104 28.6491 50 -0.05 96
IV.MC2.EHZ. 2020-03-12T21:54:24.05 0.3 undecidable manual P 346 25.5522 50 0.08 72
IV.MTRA.HNE. 2020-03-12T21:54:24.16 0.1 undecidable manual S 54 13.1757 128 -0.22 95
IV.RM33.EHZ. 2020-03-12T21:54:23.07 0.3 undecidable manual P 192 20.1687 117 -0.01 73
IV.SMA1.EHZ. 2020-03-12T21:54:23.39 0.3 undecidable manual S 138 8.5803 141 0.18 72
IV.MMO1.EHZ. 2020-03-12T21:54:23.77 0.1 undecidable manual P 12 24.0537 50 0.05 97
IV.LNSS.HNE. 2020-03-12T21:54:23.16 0.1 undecidable manual P 243 20.5683 117 0.01 98
IV.NRCA.HHZ. 2020-03-12T21:54:23.07 0.1 negative manual P 323 20.2686 117 -0.03 97
IV.T1299.HNE. 2020-03-12T21:54:22.74 0.1 undecidable manual S 166 6.0939 150 0.02 100
IV.MTRA.HNE. 2020-03-12T21:54:22.00 0.1 undecidable manual P 54 13.1757 128 0.1 97
IV.T1299.HNE. 2020-03-12T21:54:21.24 0.1 undecidable manual P 166 6.0939 150 0.3 95
IV.SMA1.EHZ. 2020-03-12T21:54:21.45 0.1 negative manual P 138 8.5803 141 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:0.8 0.00003585 0.96 AML other m 2020-03-12T21:54:29.01
IV.TERO.HHE. ML:0.6 0.000017899999999999998 0.48 AML other m 2020-03-12T21:54:29.53
IV.SMA1.EHE. ML:0.4 0.000031560405 0.1152 AML other m 2020-03-12T21:54:24.31
IV.SMA1.EHN. ML:0.3 0.000025925067 0.0896 AML other m 2020-03-12T21:54:24.35
IV.NRCA.HHE. ML:0.9 0.00005904587 0.0768 AML other m 2020-03-12T21:54:26.37
IV.NRCA.HHN. ML:1.0 0.00006802374 0.0896 AML other m 2020-03-12T21:54:27.05
IV.RM33.EHE. ML:0.6 0.000029606215000000002 0.1792 AML other m 2020-03-12T21:54:26.88
IV.RM33.EHN. ML:0.4 0.0000198183 0.1792 AML other m 2020-03-12T21:54:26.78
IV.FDMO.HHN. ML:0.2 0.000006220613000000001 0.7552 AML other m 2020-03-12T21:54:32.32
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