Earthquake with magnitude of ML 1.2 on date 25-10-2020 and time 10:03:56 (Italy) in region 1 km N Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 1 km N Accumoli (RI), on

  • 25-10-2020 09:03:56 (UTC)
  • 25-10-2020 10:03:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7040, 13.2510 at 13 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 1 667 667
Arquata del Tronto AP 9 1178 1845
Amatrice RI 9 2657 4502
Cittareale RI 12 482 4984
Acquasanta Terme AP 15 2916 7900
Norcia PG 16 4957 12857
Montegallo AP 17 523 13380
Campotosto AQ 19 542 13922
Cascia PG 20 3217 17139
Montereale AQ 20 2581 19720

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
41 Km NW of L'Aquila (69753 inhabitants)
52 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
85 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
99 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
Bulletin
Rev1000
ML 1.2 2020-10-25
09:03:56
42.7037 13.2513 13 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87454021
Reviewed
Rev100
ML 1.2 2020-10-25
09:03:56
42.7058 13.2437 13 2020-10-25
09:09:46
Sala Sismica INGV-Roma 84113961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-25 09:03:56 ± 0.09
Latitude 42.7037 ± 0.0027
Longitude 13.2513 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87454021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 406
Semi-minor axis of confidence ellipse (meter) 202
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38941
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 87454021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-24 14:09:12

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 84113961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-25 09:09:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2020-10-25T09:04:21.40 3.0 undecidable manual S 0.05 0
IV.GIUL.HHZ. 2020-10-25T09:04:20.65 3.0 positive manual P 3.88 0
IV.MIDA.HHZ. 2020-10-25T09:04:19.53 3.0 undecidable manual P -0.02 0
IV.ASSB.HHZ. 2020-10-25T09:04:13.83 3.0 undecidable manual S -0.35 0
IV.FDMO.HHZ. 2020-10-25T09:04:09.88 0.6 undecidable manual S 340 39.2274 94 0.08 47
IV.MF5.EHZ. 2020-10-25T09:04:09.80 0.6 undecidable manual S 28 35.8419 95 0.93 36
IV.TERO.HHZ. 2020-10-25T09:04:07.08 0.3 undecidable manual S 107 30.1476 97 -0.29 70
IV.RM33.EHZ. 2020-10-25T09:04:05.26 0.3 undecidable manual S 188 21.7671 103 0.09 74
IV.MC2.EHZ. 2020-10-25T09:04:05.65 0.6 undecidable manual S 348 23.5542 101 0 49
IV.CAMP.HHE. 2020-10-25T09:04:05.21 0.3 undecidable manual S 145 22.6551 102 -0.18 71
IV.LNSS.HHZ. 2020-10-25T09:04:05.05 0.3 undecidable manual S 237 20.5683 104 0.21 73
IV.MMO1.EHZ. 2020-10-25T09:04:05.11 0.6 undecidable manual S 16 22.5552 102 -0.27 47
IV.MF5.EHZ. 2020-10-25T09:04:04.16 0.3 undecidable manual P 28 35.8419 95 0.37 67
IV.FDMO.HHZ. 2020-10-25T09:04:04.26 0.3 undecidable manual P 340 39.2274 94 -0.06 71
IV.CSP1.EHZ. 2020-10-25T09:04:04.96 0.3 undecidable manual P 355 43.2234 94 0.03 71
IV.TERO.HHZ. 2020-10-25T09:04:03.06 0.3 undecidable manual P 107 30.1476 97 0.14 71
IV.NRCA.HHZ. 2020-10-25T09:04:03.77 0.3 undecidable manual S 322 18.2706 108 -0.49 67
IV.MTRA.EHE. 2020-10-25T09:04:02.58 0.6 undecidable manual S 63 13.1757 121 -0.45 46
IV.LNSS.HHZ. 2020-10-25T09:04:01.52 0.1 undecidable manual P 237 20.5683 104 0.06 99
IV.T1299.EHZ. 2020-10-25T09:04:01.93 0.3 undecidable manual S 162 8.0808 140 -0.06 74
IV.MMO1.EHZ. 2020-10-25T09:04:01.79 0.3 undecidable manual P 16 22.5552 102 0.02 74
IV.RM33.EHZ. 2020-10-25T09:04:01.71 0.1 undecidable manual P 188 21.7671 103 0.06 99
IV.NRCA.HHZ. 2020-10-25T09:04:01.04 0.1 negative manual P 322 18.2706 108 -0.08 98
IV.MC2.EHZ. 2020-10-25T09:04:01.90 0.1 undecidable manual P 348 23.5542 101 -0.03 99
IV.CAMP.HHE. 2020-10-25T09:04:01.75 0.1 undecidable manual P 145 22.6551 102 -0.03 98
IV.MTRA.EHE. 2020-10-25T09:04:00.32 0.3 undecidable manual P 63 13.1757 121 -0.09 74
IV.T1299.EHZ. 2020-10-25T09:03:59.95 0.1 undecidable manual P 162 8.0808 140 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.3 0.00014719885 0.6912 AML other m 2020-10-25T09:04:01.56
IV.LNSS.HNN. ML:1.5 0.00021295985 1.0592 AML other m 2020-10-25T09:04:03.14
IV.NRCA.HNE. ML:1.3 0.00013961005500000002 0.1792 AML other m 2020-10-25T09:04:03.96
IV.NRCA.HHE. ML:1.3 0.00014865085 1.936 AML other m 2020-10-25T09:04:03.01
IV.NRCA.HHN. ML:1.1 0.00010222697000000001 0.0832 AML other m 2020-10-25T09:04:04.13
IV.LNSS.HHE. ML:1.0 0.00006268557 0.1856 AML other m 2020-10-25T09:04:05.25
IV.LNSS.HHN. ML:1.1 0.00007766361 0.3648 AML other m 2020-10-25T09:04:05.15
IV.RM33.EHN. ML:1.2 0.00009853100000000001 0.2176 AML other m 2020-10-25T09:04:05.62
IV.RM33.HNN. ML:1.4 0.00014412388000000002 0.4032 AML other m 2020-10-25T09:04:05.34
IV.MF5.EHN. ML:1.2 0.00005607843 0.6368 AML other m 2020-10-25T09:04:05.75
IV.RM33.EHE. ML:1.0 0.00006137273 0.1408 AML other m 2020-10-25T09:04:06.13
IV.TERO.HHN. ML:0.8 0.000029825335000000003 0.1024 AML other m 2020-10-25T09:04:07.56
IV.TERO.HHE. ML:0.7 0.000023515895000000003 0.1408 AML other m 2020-10-25T09:04:07.73
IV.FDMO.HHN. ML:0.6 0.00001562526 0.16 AML other m 2020-10-25T09:04:11.20
IV.RM33.HNE. ML:1.3 0.00013124735 0.4224 AML other m 2020-10-25T09:04:11.43
IV.CSP1.EHN. ML:1.4 0.00006951355000000001 0.224 AML other m 2020-10-25T09:04:12.21
IV.TERO.HNN. ML:1.6 0.00020470935 1.0496 AML other m 2020-10-25T09:04:13.10
IV.FDMO.HHE. ML:0.6 0.000014399185 0.1408 AML other m 2020-10-25T09:04:13.08
IV.LNSS.HNE. ML:1.6 0.00023660991500000001 0.448 AML other m 2020-10-25T09:04:14.27
IV.TERO.HNE. ML:1.4 0.000106698155 0.6784 AML other m 2020-10-25T09:04:14.48
IV.MF5.EHE. ML:1.2 0.000062651575 0.6368 AML other m 2020-10-25T09:04:15.45
IV.CSP1.EHE. ML:1.3 0.000060695525 0.96 AML other m 2020-10-25T09:04:21.72
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