Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 05-01-2022 and time 23:58:03 (UTC) in region 4 km SE Acquasanta Terme (AP)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Acquasanta Terme (AP), on

  • 05-01-2022 23:58:03 (UTC)
  • 06-01-2022 00:58:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7410, 13.4360 at 18 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Acquasanta Terme AP 4 2916 2916
Valle Castellana TE 5 977 3893
Rocca Santa Maria TE 10 537 4430
Arquata del Tronto AP 12 1178 5608
Roccafluvione AP 14 2010 7618
Montegallo AP 14 523 8141
Cortino TE 15 656 8797
Accumoli RI 16 667 9464
Venarotta AP 16 2066 11530
Ascoli Piceno AP 17 49407 60937
Amatrice RI 17 2657 63594
Palmiano AP 18 196 63790
Folignano AP 18 9241 73031
Civitella del Tronto TE 19 5116 78147
Montemonaco AP 20 604 78751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
64 Km E of Foligno (57155 inhabitants)
68 Km E of Terni (111501 inhabitants)
71 Km W of Pescara (121014 inhabitants)
74 Km NW of Chieti (51815 inhabitants)
95 Km E of Perugia (166134 inhabitants)
98 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 1.5 2022-01-05
23:58:03		 42.7413 13.4362 18 2022-07-08
12:33:24		 Bollettino Sismico Italiano INGV 99977661
Reviewed
Rev100 		ML 1.5 2022-01-05
23:58:03		 42.7453 13.4345 18 2022-01-06
00:06:25		 Sala Sismica INGV-Roma 99393281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-05 23:58:03 ± 0.06
Latitude 42.7413 ± 0.0018
Longitude 13.4362 ± 0.0049
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99977661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 322
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.39031
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 99977661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-20 11:32:27

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 99393281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-06 00:06:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHE. 2022-01-05T23:58:17.68 0.6 undecidable manual S 334 43.2234 102 0.03 47
IV.FDMO.HHZ. 2022-01-05T23:58:17.57 0.3 undecidable manual S 319 43.3233 102 -0.12 68
IV.GUMA.HNN. 2022-01-05T23:58:16.20 0.6 undecidable manual S 347 36.5412 105 0.26 45
IV.LNSS.HNZ. 2022-01-05T23:58:15.94 0.6 undecidable manual S 245 35.742 106 0.21 45
IV.RM33.EHZ. 2022-01-05T23:58:14.70 0.6 undecidable manual S 215 31.5462 109 0.06 47
IV.GIGS.HJZ. 2022-01-05T23:58:14.96 0.6 undecidable manual S 161 33.8439 107 -0.29 45
IV.MC2.EHZ. 2022-01-05T23:58:13.99 0.6 undecidable manual S 313 27.5502 112 0.33 45
IV.NRCA.HHZ. 2022-01-05T23:58:13.76 0.6 undecidable manual S 291 28.1496 112 -0.04 48
IV.CAMP.HHZ. 2022-01-05T23:58:12.64 0.6 undecidable manual S 186 22.9548 118 0.1 47
IV.CSP1.EHE. 2022-01-05T23:58:11.93 0.6 undecidable manual P 334 43.2234 102 0.27 44
IV.FDMO.HHZ. 2022-01-05T23:58:11.37 0.3 undecidable manual P 319 43.3233 102 -0.31 66
IV.MMO1.EHZ. 2022-01-05T23:58:11.61 0.6 undecidable manual S 333 19.6692 123 -0.18 47
IV.TERO.HHZ. 2022-01-05T23:58:11.73 0.6 undecidable manual S 134 18.9699 124 0.09 48
IV.SMA1.EHZ. 2022-01-05T23:58:10.74 0.1 undecidable manual S 214 14.7741 133 -0.02 98
IV.LNSS.HNZ. 2022-01-05T23:58:10.61 0.6 undecidable manual P 245 35.742 106 0.06 47
IV.GUMA.HNN. 2022-01-05T23:58:10.63 0.1 undecidable manual P 347 36.5412 105 -0.04 94
IV.GIGS.HJZ. 2022-01-05T23:58:10.04 0.6 undecidable manual P 161 33.8439 107 -0.23 46
IV.MTRA.EHZ. 2022-01-05T23:58:09.16 0.1 undecidable manual S 298 3.6963 166 -0.06 98
IV.MC2.EHZ. 2022-01-05T23:58:09.39 0.3 undecidable manual P 313 27.5502 112 0.03 72
IV.RM33.EHZ. 2022-01-05T23:58:09.86 0.6 undecidable manual P 215 31.5462 109 -0.07 47
IV.MF5.EHZ. 2022-01-05T23:58:09.46 0.6 undecidable manual P 4 27.3504 112 0.13 47
IV.NRCA.HHZ. 2022-01-05T23:58:09.31 0.1 negative manual P 291 28.1496 112 -0.13 94
IV.TERO.HHZ. 2022-01-05T23:58:08.28 0.1 undecidable manual P 134 18.9699 124 0.09 96
IV.CAMP.HHZ. 2022-01-05T23:58:08.74 0.1 undecidable manual P 186 22.9548 118 0.03 96
IV.MMO1.EHZ. 2022-01-05T23:58:08.20 1.0 undecidable manual P 333 19.6692 123 -0.07 24
IV.SMA1.EHZ. 2022-01-05T23:58:07.87 1.0 undecidable manual P 214 14.7741 133 0.19 24
IV.MTRA.EHZ. 2022-01-05T23:58:06.82 0.1 undecidable manual P 298 3.6963 166 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.7 0.0005329999999999999 0.08 AML other m 2022-01-05T23:58:09.31
IV.MTRA.HNE. ML:2.0 0.0008874999999999999 0.06 AML other m 2022-01-05T23:58:09.26
IV.MTRA.EHE. ML:2.0 0.000877 0.06 AML other m 2022-01-05T23:58:09.26
IV.MTRA.HNN. ML:1.7 0.000535 0.82 AML other m 2022-01-05T23:58:09.30
IV.SMA1.EHN. ML:1.4 0.00019836595000000001 0.1408 AML other m 2022-01-05T23:58:11.12
IV.SMA1.EHE. ML:1.3 0.000139498175 0.0768 AML other m 2022-01-05T23:58:11.26
IV.MMO1.EHE. ML:1.2 0.00008749154 1.1776 AML other m 2022-01-05T23:58:11.88
IV.MMO1.EHN. ML:1.0 0.00006447833499999999 3.008 AML other m 2022-01-05T23:58:12.49
IV.TERO.HNN. ML:1.5 0.00020142568999999998 0.832 AML other m 2022-01-05T23:58:11.59
IV.TERO.HHN. ML:1.2 0.00009876319 0.3456 AML other m 2022-01-05T23:58:11.99
IV.MC2.EHN. ML:1.5 0.00015749550000000002 0.64 AML other m 2022-01-05T23:58:14.14
IV.MC2.EHE. ML:1.6 0.0001627086 0.1024 AML other m 2022-01-05T23:58:14.35
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