Earthquake with magnitude of ML 1.3 on date 26-01-2020 and time 23:25:48 (UTC) in region 7 km W Arquata del Tronto (AP)

A magnitude ML 1.3 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 26-01-2020 23:25:48 (UTC)
  • 27-01-2020 00:25:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7990, 13.2240 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
Arquata del Tronto AP 7 1178 1178
Montegallo AP 10 523 1701
Norcia PG 11 4957 6658
Accumoli RI 12 667 7325
Castelsantangelo sul Nera MC 12 281 7606
Montemonaco AP 14 604 8210
Acquasanta Terme AP 16 2916 11126
Preci PG 18 724 11850
Ussita MC 18 444 12294
Visso MC 18 1107 13401
Montefortino FM 19 1178 14579
Cascia PG 19 3217 17796
Amatrice RI 20 2657 20453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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
Reviewed
Rev100
ML 1.3 2020-01-26
23:25:48
42.7992 13.2237 11 2020-01-26
23:29:43
Sala Sismica INGV-Roma 75896321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-26 23:25:48 ± 0.05
Latitude 42.7992 ± 0.0027
Longitude 13.2237 ± 0.0025
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 75896321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 258
Semi-minor axis of confidence ellipse (meter) 158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26440
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 75896321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-26 23:29:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2020-01-26T23:25:58.68 0.6 undecidable manual S 246 29.3484 50 0.05 48
IV.MNTT.EHZ. 2020-01-26T23:25:57.43 3.0 negative manual P 0.72 0
IV.OFFI.HHZ. 2020-01-26T23:25:56.67 3.0 positive manual P 0.16 0
IV.SMA1.EHZ. 2020-01-26T23:25:56.48 0.6 undecidable manual S 154 20.7681 50 0.12 48
IV.CSP1.EHZ. 2020-01-26T23:25:54.41 3.0 positive manual P -0.4 0
IV.MC2.EHZ. 2020-01-26T23:25:54.27 0.6 undecidable manual S 347 12.7761 130 0.21 48
IV.GAVE.EHZ. 2020-01-26T23:25:54.10 1.0 negative manual P 246 29.3484 50 -0.15 23
IV.CAMP.HHZ. 2020-01-26T23:25:54.68 3.0 undecidable manual P -0.18 0
IV.MMO1.EHZ. 2020-01-26T23:25:54.27 0.6 undecidable manual S 37 13.9749 128 -0.11 48
IV.MF5.EHZ. 2020-01-26T23:25:54.27 3.0 negative manual P -0.15 0
IV.MTRA.EHZ. 2020-01-26T23:25:54.59 0.6 undecidable manual S 108 14.874 126 -0.04 49
IV.RM33.EHZ. 2020-01-26T23:25:54.65 3.0 undecidable manual P 0.16 0
IV.CESI.HHZ. 2020-01-26T23:25:54.77 3.0 positive manual P 0 0
IV.FDMO.HHZ. 2020-01-26T23:25:53.67 3.0 negative manual P -0.31 0
IV.NRCA.HHZ. 2020-01-26T23:25:53.19 0.6 undecidable manual S 293 9.6792 138 -0.11 49
IV.MTRA.EHZ. 2020-01-26T23:25:52.00 0.1 undecidable manual P 108 14.874 126 0.05 98
IV.SMA1.EHZ. 2020-01-26T23:25:52.90 0.6 positive manual P 154 20.7681 50 -0.04 49
IV.NRCA.HHZ. 2020-01-26T23:25:51.16 0.1 undecidable manual P 293 9.6792 138 -0.02 100
IV.MC2.EHZ. 2020-01-26T23:25:51.65 0.3 negative manual P 347 12.7761 130 0.03 74
IV.MMO1.EHZ. 2020-01-26T23:25:51.71 0.6 undecidable manual P 37 13.9749 128 -0.09 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.0 0.00131 0.18 AML other m 2020-01-26T23:25:53.28
IV.NRCA.HNE. ML:2.0 0.0012349999999999998 0.18 AML other m 2020-01-26T23:25:53.28
IV.NRCA.HHN. ML:2.0 0.0013199999999999998 0.16 AML other m 2020-01-26T23:25:53.32
IV.NRCA.HNN. ML:2.0 0.0011335000000000002 0.58 AML other m 2020-01-26T23:25:54.32
IV.MTRA.EHN. ML:1.1 0.00011585 1 AML other m 2020-01-26T23:25:55.50
IV.MTRA.EHE. ML:1.1 0.00011499999999999999 1.04 AML other m 2020-01-26T23:25:55.00
IV.SMA1.EHN. ML:0.9 0.0000558 0.98 AML other m 2020-01-26T23:25:56.40
IV.GAVE.EHE. ML:1.1 0.00006575 0.18 AML other m 2020-01-26T23:25:58.93
IV.SMA1.EHE. ML:1.0 0.00007425 0.42 AML other m 2020-01-26T23:26:00.68
IV.GAVE.EHN. ML:1.0 0.000053400000000000004 1.4 AML other m 2020-01-26T23:26:01.06
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download