Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 27-01-2022 and time 02:39:40 (UTC) in region 6 km SW Serravalle di Chienti (MC)

A magnitude ML 1.2 earthquake occured in region: 6 km SW Serravalle di Chienti (MC), on

  • 27-01-2022 02:39:40 (UTC)
  • 27-01-2022 03:39:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0230, 12.9200 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.

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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
Serravalle di Chienti MC 6 1070 1070
Monte Cavallo MC 7 145 1215
Pieve Torina MC 11 1458 2673
Muccia MC 12 915 3588
Fiordimonte MC 14 202 3790
Valtopina PG 14 1398 5188
Sefro MC 14 422 5610
Pievebovigliana MC 14 866 6476
Nocera Umbra PG 14 5839 12315
Sellano PG 15 1079 13394
Visso MC 17 1107 14501
Camerino MC 18 6974 21475
Pioraco MC 18 1134 22609
Fiuminata MC 19 1402 24011
Preci PG 19 724 24735
Foligno PG 19 57155 81890
Fiastra MC 19 559 82449
Ussita MC 20 444 82893

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
99 Km S of Pesaro (94582 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 2022-01-27
02:39:40		 43.0227 12.9202 14 2022-01-27
04:46:32		 Sala Sismica INGV-Roma 100218251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-27 02:39:40 ± 0.05
Latitude 43.0227 ± 0.0027
Longitude 12.9202 ± 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 100218251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 318
Semi-minor axis of confidence ellipse (meter) 89
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
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) 93
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) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.47574
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 33
Type of magnitude ML
Reference to an origin 100218251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-27 04:46:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2022-01-27T02:39:55.93 0.3 undecidable manual S 346 47.2194 95 0.19 68
IV.CING.HHZ. 2022-01-27T02:39:55.39 0.3 undecidable manual S 30 45.0216 95 0.23 68
IV.EL6.EHZ. 2022-01-27T02:39:53.21 0.3 undecidable manual S 23 37.0296 97 0.17 70
IV.GAVE.EHZ. 2022-01-27T02:39:53.14 0.3 undecidable manual S 183 36.741 97 0.19 71
IV.MMO1.EHZ. 2022-01-27T02:39:52.53 0.3 undecidable manual S 112 35.742 97 -0.17 70
IV.NRCA.HHZ. 2022-01-27T02:39:50.00 0.3 undecidable manual S 143 26.2515 102 -0.19 70
IV.MC2.EHZ. 2022-01-27T02:39:50.19 0.3 undecidable manual S 119 25.0527 103 0.31 70
IV.ATCC.EHZ. 2022-01-27T02:39:50.94 0.3 undecidable manual S 309 28.9488 100 0.03 73
IV.SSFR.HHZ. 2022-01-27T02:39:49.77 0.1 undecidable manual P 346 47.2194 95 0.4 87
IV.CSP1.EHZ. 2022-01-27T02:39:49.72 0.3 undecidable manual S 72 24.3534 103 0.03 73
IV.ARVD.HHZ. 2022-01-27T02:39:49.97 0.1 undecidable manual P 2 52.8027 94 -0.25 89
IV.SNTG.HHZ. 2022-01-27T02:39:49.77 0.3 undecidable manual S 4 25.8519 102 -0.31 70
IV.CING.HHZ. 2022-01-27T02:39:48.92 0.1 undecidable manual P 30 45.0216 95 -0.11 93
IV.ASSB.HHZ. 2022-01-27T02:39:48.94 0.3 undecidable manual S 276 21.2676 107 0.03 74
IV.MMO1.EHZ. 2022-01-27T02:39:47.48 0.1 undecidable manual P 112 35.742 97 -0.12 94
IV.EL6.EHZ. 2022-01-27T02:39:47.70 0.1 undecidable manual P 23 37.0296 97 -0.11 95
IV.GAVE.EHZ. 2022-01-27T02:39:47.69 0.1 undecidable manual P 183 36.741 97 -0.06 94
IV.MML1.EHZ. 2022-01-27T02:39:46.43 0.3 undecidable manual S 23 10.878 132 -0.04 75
IV.NRCA.HHZ. 2022-01-27T02:39:46.31 0.1 undecidable manual P 143 26.2515 102 0.15 96
IV.MC2.EHZ. 2022-01-27T02:39:46.11 0.1 undecidable manual P 119 25.0527 103 0.13 97
IV.FDMO.HHZ. 2022-01-27T02:39:46.98 0.3 undecidable manual S 83 13.6752 123 -0.07 75
IV.ATCC.EHZ. 2022-01-27T02:39:46.51 0.1 undecidable manual P 309 28.9488 100 -0.06 97
IV.SNTG.HHZ. 2022-01-27T02:39:45.88 0.1 undecidable manual P 4 25.8519 102 -0.22 94
IV.ASSB.HHZ. 2022-01-27T02:39:45.32 0.1 undecidable manual P 276 21.2676 107 -0.1 97
IV.CSP1.EHZ. 2022-01-27T02:39:45.88 0.1 undecidable manual P 72 24.3534 103 0.01 99
IV.FDMO.HHZ. 2022-01-27T02:39:44.37 0.1 undecidable manual P 83 13.6752 123 0.02 100
IV.MML1.EHZ. 2022-01-27T02:39:44.07 0.1 undecidable manual P 23 10.878 132 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.HNN. ML:1.4 0.000257 0.9 AML other m 2022-01-27T02:39:46.63
IV.MML1.EHN. ML:1.4 0.00023549999999999998 0.18 AML other m 2022-01-27T02:39:46.54
IV.MML1.EHE. ML:1.4 0.00026000000000000003 0.32 AML other m 2022-01-27T02:39:46.68
IV.MML1.HNE. ML:1.4 0.000264 1.18 AML other m 2022-01-27T02:39:47.68
IV.FDMO.HHN. ML:1.5 0.00027449999999999995 0.12 AML other m 2022-01-27T02:39:47.18
IV.FDMO.HHE. ML:1.7 0.000479 0.12 AML other m 2022-01-27T02:39:47.28
IV.ASSB.HHE. ML:0.9 0.0000505 0.84 AML other m 2022-01-27T02:39:49.50
IV.CSP1.EHE. ML:1.5 0.0001792 1.6 AML other m 2022-01-27T02:39:49.89
IV.CSP1.EHN. ML:1.6 0.0002035 0.18 AML other m 2022-01-27T02:39:49.96
IV.ASSB.HHN. ML:0.9 0.00005735 1.44 AML other m 2022-01-27T02:39:50.05
IV.SNTG.HHE. ML:1.1 0.0000651 0.1 AML other m 2022-01-27T02:39:50.06
IV.SNTG.HHN. ML:1.0 0.00005395 0.1 AML other m 2022-01-27T02:39:50.07
IV.NRCA.HHE. ML:1.4 0.000142 0.32 AML other m 2022-01-27T02:39:50.31
IV.NRCA.HHN. ML:1.4 0.00013700000000000002 0.42 AML other m 2022-01-27T02:39:50.91
IV.ATCC.EHN. ML:1.2 0.00006765 0.32 AML other m 2022-01-27T02:39:51.31
IV.ATCC.EHE. ML:1.4 0.0001105 0.58 AML other m 2022-01-27T02:39:51.31
IV.MMO1.EHN. ML:1.1 0.000047600000000000005 0.2 AML other m 2022-01-27T02:39:53.07
IV.MMO1.EHE. ML:1.0 0.0000326 0.26 AML other m 2022-01-27T02:39:53.25
IV.GAVE.EHN. ML:1.0 0.000042050000000000006 0.78 AML other m 2022-01-27T02:39:54.45
IV.GAVE.EHE. ML:1.1 0.0000492 0.46 AML other m 2022-01-27T02:39:54.88
IV.CING.HHE. ML:1.0 0.000027749999999999997 0.62 AML other m 2022-01-27T02:39:55.27
IV.CING.HHN. ML:1.0 0.00002875 1.34 AML other m 2022-01-27T02:39:56.12
IV.SSFR.HHN. ML:1.3 0.00005355 0.16 AML other m 2022-01-27T02:39:57.48
IV.SSFR.HHE. ML:1.2 0.000043700000000000005 0.16 AML other m 2022-01-27T02:39:57.78
IV.SNTG.HNE. ML:1.3 0.00010765693 0.6192 AML other m 2022-01-27T02:39:58.51
IV.SNTG.HNN. ML:1.2 0.00008614596999999998 0.4288 AML other m 2022-01-27T02:39:48.61
IV.MC2.EHE. ML:1.1 0.00007664339 0.0992 AML other m 2022-01-27T02:39:51.10
IV.MC2.EHN. ML:1.3 0.00010452220500000001 0.0992 AML other m 2022-01-27T02:39:51.21
IV.ATCC.HNE. ML:1.4 0.000124853825 0.1088 AML other m 2022-01-27T02:39:51.36
IV.EL6.EHE. ML:1.2 0.0000578599 0.1408 AML other m 2022-01-27T02:39:53.84
IV.EL6.EHN. ML:1.0 0.00003698270500000001 0.16 AML other m 2022-01-27T02:39:53.61
IV.ARVD.HHE. ML:0.8 0.000014671610999999999 0.08 AML other m 2022-01-27T02:39:57.94
IV.ARVD.HHN. ML:0.6 0.000012023740000000001 0.1408 AML other m 2022-01-27T02:39:57.92
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