Earthquake with magnitude of ML 1.2 on date 25-11-2020 and time 15:57:58 (Italy) in region 2 km W Amatrice (RI)

A magnitude ML 1.2 earthquake occured in region: 2 km W Amatrice (RI), on

  • 25-11-2020 14:57:58 (UTC)
  • 25-11-2020 15:57:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6260, 13.2640 at 14 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
Amatrice RI 2 2657 2657
Accumoli RI 8 667 3324
Cittareale RI 9 482 3806
Montereale AQ 11 2581 6387
Campotosto AQ 12 542 6929
Capitignano AQ 12 665 7594
Borbona RI 16 617 8211
Arquata del Tronto AP 17 1178 9389
Posta RI 18 694 10083
Cagnano Amiterno AQ 19 1369 11452
Barete AQ 19 737 12189
Crognaleto TE 20 1297 13486

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
98 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 1.2 2020-11-25
14:57:58
42.6257 13.2637 14 2020-11-25
15:06:06
Sala Sismica INGV-Roma 85010971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-25 14:57:58 ± 0.08
Latitude 42.6257 ± 0.0036
Longitude 13.2637 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85010971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 325
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
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) 132
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 19
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46765
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 85010971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-25 15:06:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-11-25T14:58:14.50 0.3 undecidable manual S 343 47.8188 94 0.28 67
IV.CSO1.HGZ. 2020-11-25T14:58:14.53 3.0 undecidable manual S 0
IV.CSO1.HGZ. 2020-11-25T14:58:13.84 3.0 undecidable manual P 0
IV.MMO1.EHZ. 2020-11-25T14:58:09.84 0.3 undecidable manual S 10 30.747 98 0.13 72
IV.TERO.HHZ. 2020-11-25T14:58:08.68 0.3 undecidable manual S 91 27.75 100 -0.23 70
IV.NRCA.HHZ. 2020-11-25T14:58:08.17 0.3 undecidable manual S 332 26.0517 101 -0.3 70
IV.CSP1.EHZ. 2020-11-25T14:58:08.40 0.3 undecidable manual P 355 51.9036 94 -0.02 70
IV.FDMO.HHZ. 2020-11-25T14:58:07.82 0.3 undecidable manual P 343 47.8188 94 0.04 71
IV.LNSS.HHZ. 2020-11-25T14:58:06.32 0.3 undecidable manual S 262 18.3705 111 -0.17 73
IV.MTRA.EHZ. 2020-11-25T14:58:06.29 0.3 undecidable manual S 37 18.1707 111 -0.14 73
IV.MMO1.EHZ. 2020-11-25T14:58:05.19 0.3 undecidable manual P 10 30.747 98 0.02 73
IV.CAMP.HHZ. 2020-11-25T14:58:05.75 0.3 undecidable manual S 130 15.4734 117 -0.03 75
IV.TERO.HHZ. 2020-11-25T14:58:04.70 0.3 undecidable manual P 91 27.75 100 -0.02 73
IV.SMA1.EHZ. 2020-11-25T14:58:04.01 0.3 undecidable manual S 85 5.8941 151 0.09 75
IV.NRCA.HHZ. 2020-11-25T14:58:04.40 0.1 undecidable manual P 332 26.0517 101 -0.06 98
IV.MTRA.EHZ. 2020-11-25T14:58:03.27 0.3 undecidable manual P 37 18.1707 111 -0.01 75
IV.LNSS.HHZ. 2020-11-25T14:58:03.38 0.1 undecidable manual P 262 18.3705 111 0.06 98
IV.T1299.EHZ. 2020-11-25T14:58:03.39 0.3 undecidable manual S 58 1.7982 171 -0.17 75
IV.CAMP.HHZ. 2020-11-25T14:58:02.88 0.3 undecidable manual P 130 15.4734 117 -0.03 75
IV.SMA1.EHZ. 2020-11-25T14:58:02.08 0.1 undecidable manual P 85 5.8941 151 0.25 97
IV.T1299.EHZ. 2020-11-25T14:58:01.74 0.1 undecidable manual P 58 1.7982 171 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.000517 0.54 AML other m 2020-11-25T14:58:04.46
IV.SMA1.EHN. ML:1.3 0.00023099999999999998 0.36 AML other m 2020-11-25T14:58:04.23
IV.MTRA.EHN. ML:1.1 0.00009475 0.42 AML other m 2020-11-25T14:58:06.22
IV.MTRA.EHE. ML:1.2 0.00011655000000000001 0.36 AML other m 2020-11-25T14:58:06.64
IV.LNSS.HHN. ML:1.2 0.000107 0.38 AML other m 2020-11-25T14:58:06.68
IV.LNSS.HHE. ML:1.2 0.0001055 0.16 AML other m 2020-11-25T14:58:06.53
IV.NRCA.HHN. ML:1.1 0.00006610000000000001 0.36 AML other m 2020-11-25T14:58:08.55
IV.NRCA.HHE. ML:1.6 0.00023449999999999998 0.1 AML other m 2020-11-25T14:58:08.40
IV.TERO.HHE. ML:0.9 0.000040650000000000006 0.54 AML other m 2020-11-25T14:58:08.98
IV.TERO.HHN. ML:1.1 0.00006345000000000001 0.16 AML other m 2020-11-25T14:58:08.71
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