Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 26-01-2022 and time 17:53:25 (UTC) in region 2 km E Castelsantangelo sul Nera (MC)

A magnitude ML 0.5 earthquake occured in region: 2 km E Castelsantangelo sul Nera (MC), on

  • 26-01-2022 17:53:25 (UTC)
  • 26-01-2022 18:53:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8910, 13.1740 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.

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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
Castelsantangelo sul Nera MC 2 281 281
Ussita MC 7 444 725
Visso MC 8 1107 1832
Preci PG 11 724 2556
Bolognola MC 12 142 2698
Montemonaco AP 13 604 3302
Norcia PG 13 4957 8259
Montegallo AP 14 523 8782
Montefortino FM 15 1178 9960
Acquacanina MC 16 121 10081
Fiastra MC 16 559 10640
Arquata del Tronto AP 17 1178 11818
Fiordimonte MC 18 202 12020
Amandola FM 18 3629 15649
Monte Cavallo MC 18 145 15794
Sarnano MC 19 3264 19058
Pieve Torina MC 20 1458 20516

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
50 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
97 Km W of Pescara (121014 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 0.5 2022-01-26
17:53:25		 42.8912 13.174 13 2022-07-08
12:33:26		 Bollettino Sismico Italiano INGV 100571791
Reviewed
Rev100 		ML 0.6 2022-01-26
17:53:25		 42.8878 13.1732 14 2022-01-26
19:23:58		 Sala Sismica INGV-Roma 100210321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-26 17:53:25 ± 0.17
Latitude 42.8912 ± 0.0036
Longitude 13.1740 ± 0.0098
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 100571791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 705
Semi-minor axis of confidence ellipse (meter) 374
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24911
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 100571791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 16:58:22

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 100210321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-26 19:23:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILOS.HHZ. 2022-01-26T17:54:48.60 3.0 negative manual Pg 20.18 0
AC.VLO.HHZ. 2022-01-26T17:54:44.40 3.0 negative manual Pn 3.8 0
IV.CADC.EHZ. 2022-01-26T17:54:32.67 3.0 undecidable manual Sg 9.73 0
OT.OT15.EHZ. 2022-01-26T17:54:28.18 3.0 undecidable manual Pg 15.48 0
GU.SATI.HHZ. 2022-01-26T17:54:25.84 3.0 negative manual Pg 14.91 0
IV.EUCT.HNZ. 2022-01-26T17:54:05.90 3.0 negative manual Pg 10.2 0
OT.OT17.EHZ. 2022-01-26T17:53:57.03 3.0 negative manual Pn 1.62 0
IV.CELB.HHZ. 2022-01-26T17:53:56.45 3.0 undecidable manual Sn -0.51 0
MN.TRI.HHZ. 2022-01-26T17:53:53.06 3.0 positive manual Pn 0.23 0
IV.RIBO.EHZ.01 2022-01-26T17:53:49.39 3.0 undecidable manual Sg 7.3 0
IV.CSP1.EHZ. 2022-01-26T17:53:33.67 0.1 undecidable manual S 6 22.3554 103 0.02 99
IV.FDMO.HHZ. 2022-01-26T17:53:32.20 0.3 undecidable manual S 336 17.5713 111 -0.22 73
IV.MMO1.EHZ. 2022-01-26T17:53:31.00 0.3 undecidable manual S 86 12.4764 124 -0.2 72
IV.NRCA.HHZ. 2022-01-26T17:53:30.10 0.1 undecidable manual S 217 7.9809 141 -0.23 98
IV.CSP1.EHZ. 2022-01-26T17:53:30.11 0.1 undecidable manual P 6 22.3554 103 0.06 99
IV.MC2.EHZ. 2022-01-26T17:53:29.80 0.1 undecidable manual S 28 2.5974 167 0.12 99
IV.FDMO.HHZ. 2022-01-26T17:53:29.37 0.1 undecidable manual P 336 17.5713 111 0.03 100
IV.SENI.HNZ. 2022-01-26T17:53:28.85 3.0 positive manual P -0.19 0
IV.MMO1.EHZ. 2022-01-26T17:53:28.64 0.1 undecidable manual P 86 12.4764 124 0 100
IV.NRCA.HHZ. 2022-01-26T17:53:28.25 0.1 undecidable manual P 217 7.9809 141 0.11 100
IV.MC2.EHZ. 2022-01-26T17:53:27.97 0.1 undecidable manual P 28 2.5974 167 0.21 98
IV.OSSC.HHZ. 2022-01-26T17:53:27.33 3.0 undecidable manual P 0.57 0
IV.FIR.HHZ. 2022-01-26T17:53:26.43 3.0 undecidable manual P -1.65 0
IV.PF6.EHN. 2022-01-26T17:53:20.78 3.0 undecidable manual P 27.6501 -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.00016399999999999997 0.12 AML other m 2022-01-26T17:53:30.34
IV.MC2.EHE. ML:0.4 0.00002757604999999999 0.1664 AML other m 2022-01-26T17:53:30.37
IV.NRCA.HHE. ML:1.0 0.00010768641 0.0768 AML other m 2022-01-26T17:53:30.37
IV.MC2.EHN. ML:0.5 0.00004529190000000001 1.808 AML other m 2022-01-26T17:53:31.09
IV.MMO1.EHE. ML:0.7 0.000050828499999999996 0.2304 AML other m 2022-01-26T17:53:31.24
IV.MMO1.EHN. ML:0.3 0.0000224778565 0.2048 AML other m 2022-01-26T17:53:31.48
IV.FDMO.HHE. ML:0.1 0.000010928359 0.2432 AML other m 2022-01-26T17:53:32.51
IV.FDMO.HHN. ML:0.3 0.000013787384999999998 0.2304 AML other m 2022-01-26T17:53:32.68
IV.CSP1.EHN. ML:0.4 0.000016558435000000003 1.9232 AML other m 2022-01-26T17:53:34.00
IV.CSP1.EHE. ML:0.2 0.000012248353499999999 0.0768 AML other m 2022-01-26T17:53:34.20
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