Earthquake with magnitude of ML 1.2 on date 24-01-2021 and time 02:50:16 (Italy) in region 5 km E Montegallo (AP)

A magnitude ML 1.2 earthquake occured in region: 5 km E Montegallo (AP), on

  • 24-01-2021 01:50:16 (UTC)
  • 24-01-2021 02:50:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8280, 13.3940 at 22 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
Montegallo AP 5 523 523
Acquasanta Terme AP 7 2916 3439
Roccafluvione AP 8 2010 5449
Montemonaco AP 10 604 6053
Palmiano AP 10 196 6249
Arquata del Tronto AP 10 1178 7427
Venarotta AP 10 2066 9493
Valle Castellana TE 13 977 10470
Montefortino FM 14 1178 11648
Comunanza AP 15 3166 14814
Ascoli Piceno AP 15 49407 64221
Force AP 17 1354 65575
Amandola FM 17 3629 69204
Montefalcone Appennino FM 19 424 69628
Accumoli RI 19 667 70295
Rocca Santa Maria TE 19 537 70832
Folignano AP 20 9241 80073
Rotella AP 20 906 80979

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Teramo (54892 inhabitants)
53 Km N of L'Aquila (69753 inhabitants)
58 Km E of Foligno (57155 inhabitants)
68 Km E of Terni (111501 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km NW of Pescara (121014 inhabitants)
83 Km NW of Chieti (51815 inhabitants)
88 Km E of Perugia (166134 inhabitants)
89 Km S of Ancona (100861 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 2021-01-24
01:50:16
42.8275 13.3938 22 2021-07-12
16:55:03
Bollettino Sismico Italiano INGV 88460551
Reviewed
Rev100
ML 1.5 2021-01-24
01:50:16
42.8282 13.4113 22 2021-01-24
01:57:11
Sala Sismica INGV-Roma 86514101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-24 01:50:16 ± 0.2
Latitude 42.8275 ± 0.0063
Longitude 13.3938 ± 0.0110
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88460551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 893
Semi-minor axis of confidence ellipse (meter) 185
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.30667
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 86514101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-24 01:57:11

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 88460551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-03 17:09:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHE. 2021-01-24T01:50:29.60 0.6 undecidable manual S 32 30.747 117 1.31 32
IV.FDMO.HHN. 2021-01-24T01:50:29.10 0.3 undecidable manual S 313 34.0437 114 0.02 74
IV.SAP2.EHE. 2021-01-24T01:50:28.46 0.6 undecidable manual S 1 29.8479 118 0.38 47
IV.GUMA.HNN. 2021-01-24T01:50:27.62 0.6 undecidable manual S 350 26.5512 122 0.31 47
IV.T1299.HNN. 2021-01-24T01:50:27.04 0.6 undecidable manual S 203 23.2545 126 0.44 45
IV.SMA1.EHZ. 2021-01-24T01:50:26.48 0.3 undecidable manual S 192 22.3554 127 0.08 73
IV.NRCA.HHE. 2021-01-24T01:50:26.77 0.3 undecidable manual S 272 22.755 127 0.29 70
IV.MF5.EHZ. 2021-01-24T01:50:25.60 0.3 undecidable manual S 17 18.5703 133 -0.02 75
IV.FDMO.HHN. 2021-01-24T01:50:23.92 0.3 undecidable manual P 313 34.0437 114 -0.01 74
IV.SAP2.EHE. 2021-01-24T01:50:23.19 0.3 undecidable manual P 1 29.8479 118 -0.17 72
IV.MMO1.EHZ. 2021-01-24T01:50:23.94 0.3 undecidable manual S 326 9.6792 153 -0.24 74
IV.MNTT.EHE. 2021-01-24T01:50:23.57 0.1 undecidable manual P 32 30.747 117 0.09 99
IV.SMA1.EHZ. 2021-01-24T01:50:22.30 0.1 undecidable manual P 192 22.3554 127 -0.09 100
IV.T1299.HNN. 2021-01-24T01:50:22.52 0.3 undecidable manual P 203 23.2545 126 0.02 75
IV.GUMA.HNN. 2021-01-24T01:50:22.67 0.3 undecidable manual P 350 26.5512 122 -0.24 71
IV.NRCA.HHE. 2021-01-24T01:50:22.31 0.1 undecidable manual P 272 22.755 127 -0.12 99
IV.MF5.EHZ. 2021-01-24T01:50:21.58 0.1 undecidable manual P 17 18.5703 133 -0.36 94
IV.MMO1.EHZ. 2021-01-24T01:50:20.80 0.1 undecidable manual P 326 9.6792 153 -0.31 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.5 0.0001445 0.08 AML other m 2021-01-24T01:50:26.86
IV.SMA1.EHN. ML:1.4 0.000135 0.28 AML other m 2021-01-24T01:50:26.76
IV.MNTT.EHE. ML:1.4 0.0000940771315 0.16 AML other m 2021-01-24T01:50:29.85
IV.FDMO.HHE. ML:0.9 0.000030468415 0.18 AML other m 2021-01-24T01:50:29.47
IV.FDMO.HHN. ML:0.6 0.000014523375 0.12 AML other m 2021-01-24T01:50:29.82
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