Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 22-12-2021 and time 04:49:07 (Italy) in region 4 km W Penna San Giovanni (MC)

A magnitude ML 1.7 earthquake occured in region: 4 km W Penna San Giovanni (MC), on

  • 22-12-2021 03:49:07 (UTC)
  • 22-12-2021 04:49:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0530, 13.3800 at 23 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Penna San Giovanni MC 4 1108 1108
Gualdo MC 4 815 1923
Sant'Angelo in Pontano MC 5 1436 3359
Monte San Martino MC 5 765 4124
Sarnano MC 7 3264 7388
Smerillo FM 8 365 7753
San Ginesio MC 8 3498 11251
Amandola FM 8 3629 14880
Servigliano FM 10 2336 17216
Montefalcone Appennino FM 10 424 17640
Falerone FM 10 3337 20977
Ripe San Ginesio MC 10 852 21829
Santa Vittoria in Matenano FM 10 1330 23159
Comunanza AP 11 3166 26325
Monte Vidon Corrado FM 12 731 27056
Cessapalombo MC 12 512 27568
Montappone FM 12 1682 29250
Monteleone di Fermo FM 12 395 29645
Montefortino FM 13 1178 30823
Colmurano MC 13 1263 32086
Camporotondo di Fiastrone MC 13 563 32649
Loro Piceno MC 13 2401 35050
Montelparo FM 13 778 35828
Force AP 14 1354 37182
Massa Fermana FM 14 963 38145
Belmonte Piceno FM 14 646 38791
Bolognola MC 14 142 38933
Monsampietro Morico FM 15 659 39592
Montegiorgio FM 16 6851 46443
Caldarola MC 16 1823 48266
Urbisaglia MC 16 2628 50894
Monte Rinaldo FM 17 379 51273
Acquacanina MC 17 121 51394
Montottone FM 17 979 52373
Belforte del Chienti MC 17 1886 54259
Mogliano MC 17 4696 58955
Montemonaco AP 18 604 59559
Fiastra MC 18 559 60118
Palmiano AP 18 196 60314
Rotella AP 18 906 61220
Ortezzano FM 19 774 61994
Tolentino MC 19 20069 82063
Grottazzolina FM 19 3398 85461
Montedinove AP 19 488 85949
Magliano di Tenna FM 19 1452 87401
Montalto delle Marche AP 20 2122 89523

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km NW of Teramo (54892 inhabitants)
56 Km E of Foligno (57155 inhabitants)
64 Km S of Ancona (100861 inhabitants)
78 Km N of L'Aquila (69753 inhabitants)
81 Km E of Perugia (166134 inhabitants)
81 Km NE of Terni (111501 inhabitants)
87 Km NW of Montesilvano (53738 inhabitants)
93 Km SE of Fano (60888 inhabitants)
94 Km NW 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 1.7 2021-12-22
03:49:07		 43.053 13.3798 23 2022-03-30
13:04:25		 Bollettino Sismico Italiano INGV 99278481
Reviewed
Rev100 		ML 1.8 2021-12-22
03:49:06		 43.0597 13.3988 23 2021-12-22
03:54:35		 Sala Sismica INGV-Roma 98805051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-22 03:49:07 ± 0.11
Latitude 43.0530 ± 0.0045
Longitude 13.3798 ± 0.0062
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99278481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 452
Semi-minor axis of confidence ellipse (meter) 222
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.57916
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 48
Type of magnitude ML
Reference to an origin 99278481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-04 15:57:22

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 98805051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-22 03:54:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2021-12-22T03:49:28.00 0.3 undecidable manual S 312 64.2912 103 0.88 52
IV.SMA1.EHZ. 2021-12-22T03:49:23.00 0.6 undecidable manual S 184 47.0196 108 0.33 44
IV.CESI.HHZ. 2021-12-22T03:49:21.14 0.6 undecidable manual S 262 38.9277 113 0.5 43
IV.SNTG.HHZ. 2021-12-22T03:49:21.67 0.6 undecidable manual S 302 42.0246 111 0.26 45
IV.CING.HHZ. 2021-12-22T03:49:20.61 0.6 undecidable manual S 337 38.7279 113 0 47
IV.NRCA.HHZ. 2021-12-22T03:49:19.23 0.6 undecidable manual S 222 32.5452 118 0.13 47
IV.MML1.EHZ. 2021-12-22T03:49:19.59 0.3 undecidable manual S 282 33.744 117 0.2 69
IV.SSFR.HHZ. 2021-12-22T03:49:18.91 0.3 undecidable manual P 312 64.2912 103 0.23 65
IV.ASSB.HHZ. 2021-12-22T03:49:17.73 0.1 negative manual P 269 58.497 104 -0.07 90
IV.FDMO.HHZ. 2021-12-22T03:49:17.10 0.6 undecidable manual S 266 23.754 128 -0.04 49
IV.MNTT.EHZ. 2021-12-22T03:49:16.78 0.3 undecidable manual S 87 17.5713 138 0.88 57
IV.MC2.EHZ. 2021-12-22T03:49:16.98 0.3 undecidable manual S 225 22.0668 130 0.2 71
IV.MMO1.HNZ. 2021-12-22T03:49:15.81 0.6 undecidable manual S 194 17.5713 137 -0.1 49
IV.SNTG.HHZ. 2021-12-22T03:49:15.15 0.3 undecidable manual P 302 42.0246 111 -0.23 68
IV.PF6.EHZ. 2021-12-22T03:49:15.54 0.6 undecidable manual S 302 17.7711 137 -0.4 46
IV.CESI.HHZ. 2021-12-22T03:49:15.06 0.3 undecidable manual P 262 38.9277 113 0.12 70
IV.MNTP.HNZ. 2021-12-22T03:49:15.05 0.3 undecidable manual S 38 11.877 149 0.06 74
IV.CSP1.EHZ. 2021-12-22T03:49:15.26 0.6 undecidable manual S 287 14.7741 143 -0.18 49
IV.SMA1.EHZ. 2021-12-22T03:49:15.91 0.1 positive manual P 184 47.0196 108 -0.19 89
IV.SAP2.EHZ. 2021-12-22T03:49:14.08 0.6 undecidable manual S 18 5.0949 166 -0.22 49
IV.MML1.EHZ. 2021-12-22T03:49:14.19 0.1 negative manual P 282 33.744 117 -0.02 96
IV.GUMA.HHZ. 2021-12-22T03:49:14.07 0.3 undecidable manual S 287 3.7962 169 -0.15 75
IV.CING.HHZ. 2021-12-22T03:49:14.72 0.1 negative manual P 337 38.7279 113 -0.19 92
IV.MF5.EHZ. 2021-12-22T03:49:14.85 0.3 undecidable manual S 138 9.6792 154 0.13 73
IV.NRCA.HHZ. 2021-12-22T03:49:14.04 0.1 positive manual P 222 32.5452 118 -0.01 96
IV.MTRA.EHZ. 2021-12-22T03:49:13.86 0.6 undecidable manual P 178 32.9448 118 -0.24 45
IV.MNTT.EHZ. 2021-12-22T03:49:12.42 0.1 negative manual P 87 17.5713 138 0.22 95
IV.MMO1.HNZ. 2021-12-22T03:49:12.04 0.1 undecidable manual P 194 17.5713 137 -0.17 95
IV.MC2.EHZ. 2021-12-22T03:49:12.76 0.1 positive manual P 225 22.0668 130 0.06 98
IV.FDMO.HHZ. 2021-12-22T03:49:12.79 0.1 negative manual P 266 23.754 128 -0.12 96
IV.CSP1.EHZ. 2021-12-22T03:49:11.72 0.3 undecidable manual P 287 14.7741 143 -0.21 72
IV.SAP2.EHZ. 2021-12-22T03:49:11.03 0.3 undecidable manual P 18 5.0949 166 -0.24 72
IV.GUMA.HHZ. 2021-12-22T03:49:11.06 0.1 positive manual P 287 3.7962 169 -0.17 98
IV.PF6.EHZ. 2021-12-22T03:49:11.90 0.1 undecidable manual P 302 17.7711 137 -0.32 93
IV.MF5.EHZ. 2021-12-22T03:49:11.55 0.1 positive manual P 138 9.6792 154 0.03 100
IV.MNTP.HNZ. 2021-12-22T03:49:11.48 0.3 undecidable manual P 38 11.877 149 -0.19 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HNN. ML:1.7 0.00033937184999999995 0.1696 AML other m 2021-12-22T03:49:14.18
IV.GUMA.HHN. ML:1.8 0.0004174718 0.24 AML other m 2021-12-22T03:49:14.20
IV.GUMA.HNE. ML:1.6 0.00028518770000000003 0.1312 AML other m 2021-12-22T03:49:14.13
IV.GUMA.HHE. ML:1.8 0.0004465 0.3 AML other m 2021-12-22T03:49:14.14
IV.MML1.HNE. ML:1.5 0.00011168318 0.6112 AML other m 2021-12-22T03:49:14.20
IV.SAP2.EHN. ML:2.1 0.0008039509499999999 0.1184 AML other m 2021-12-22T03:49:14.60
IV.MF5.EHN. ML:1.7 0.00035463085 0.1024 AML other m 2021-12-22T03:49:14.97
IV.MF5.EHE. ML:1.9 0.0005164999999999999 0.38 AML other m 2021-12-22T03:49:15.29
IV.CSP1.EHN. ML:1.9 0.00047099999999999996 0.08 AML other m 2021-12-22T03:49:15.38
IV.SAP2.EHE. ML:1.6 0.000312 0.46 AML other m 2021-12-22T03:49:15.61
IV.CSP1.EHE. ML:1.7 0.00028584054999999996 0.08 AML other m 2021-12-22T03:49:15.34
IV.MNTT.EHE. ML:2.1 0.0007152451 0.08 AML other m 2021-12-22T03:49:16.95
IV.MNTT.EHN. ML:2.3 0.00101825365 0.08 AML other m 2021-12-22T03:49:17.08
IV.MC2.EHE. ML:2.0 0.000459 0.16 AML other m 2021-12-22T03:49:17.24
IV.FDMO.HHE. ML:1.7 0.00022700000000000002 0.18 AML other m 2021-12-22T03:49:17.34
IV.FDMO.HHN. ML:1.3 0.00008444999999999999 0.18 AML other m 2021-12-22T03:49:17.38
IV.MC2.EHN. ML:2.0 0.00044654845 0.2016 AML other m 2021-12-22T03:49:18.02
IV.NRCA.HHN. ML:1.9 0.000316 0.14 AML other m 2021-12-22T03:49:19.50
IV.NRCA.HNN. ML:1.9 0.00030419115000000004 0.1504 AML other m 2021-12-22T03:49:19.50
IV.NRCA.HNE. ML:1.9 0.00031507785 0.1088 AML other m 2021-12-22T03:49:19.68
IV.MTRA.EHN. ML:0.8 0.000024379619999999997 0.1184 AML other m 2021-12-22T03:49:19.95
IV.MML1.EHN. ML:1.6 0.0001555 1.8 AML other m 2021-12-22T03:49:19.00
IV.CING.HNN. ML:3.2 0.0055561785 0.72 AML other m 2021-12-22T03:49:19.91
IV.MML1.EHE. ML:1.2 0.00005922072 0.2176 AML other m 2021-12-22T03:49:20.02
IV.MTRA.EHE. ML:0.9 0.000027905605 0.0992 AML other m 2021-12-22T03:49:20.14
IV.NRCA.HHE. ML:2.0 0.000324 0.1 AML other m 2021-12-22T03:49:20.04
IV.MML1.HNN. ML:1.7 0.00018037225000000002 0.2496 AML other m 2021-12-22T03:49:19.00
IV.MTRA.HNN. ML:1.5 0.00012626221 0.5696 AML other m 2021-12-22T03:49:21.33
IV.CING.HHE. ML:1.1 0.00004195404 0.1184 AML other m 2021-12-22T03:49:21.37
IV.CING.HHN. ML:1.1 0.000036754295 0.16 AML other m 2021-12-22T03:49:21.68
IV.SNTG.HHN. ML:1.2 0.00005225997 0.1824 AML other m 2021-12-22T03:49:22.07
IV.SNTG.HHE. ML:1.1 0.00003707415 0.1184 AML other m 2021-12-22T03:49:22.11
IV.CESI.HNN. ML:1.6 0.000129704025 0.5408 AML other m 2021-12-22T03:49:22.25
IV.CESI.HHE. ML:1.0 0.000028963895 0.1792 AML other m 2021-12-22T03:49:22.60
IV.CESI.HNE. ML:1.7 0.00014935245 0.6496 AML other m 2021-12-22T03:49:23.52
IV.CESI.HHN. ML:1.3 0.00006560000000000001 0.42 AML other m 2021-12-22T03:49:23.72
IV.ASSB.HHE. ML:1.0 0.00002035580815 0.2592 AML other m 2021-12-22T03:49:26.77
IV.ASSB.HHN. ML:1.0 0.00001918965 0.2016 AML other m 2021-12-22T03:49:26.84
IV.SSFR.HHE. ML:1.8 0.0001015 0.78 AML other m 2021-12-22T03:49:28.31
IV.SNTG.HNE. ML:1.9 0.0002524625 0.528 AML other m 2021-12-22T03:49:29.00
IV.SSFR.HHN. ML:1.6 0.000071 0.2 AML other m 2021-12-22T03:49:29.09
IV.SNTG.HNN. ML:1.9 0.0002184847 0.5088 AML other m 2021-12-22T03:49:29.04
IV.CING.HNE. ML:3.2 0.005106439 0.912 AML other m 2021-12-22T03:49:30.63
IV.MTRA.HNE. ML:1.5 0.000122107845 0.88 AML other m 2021-12-22T03:49:30.68
IV.SSFR.HNN. ML:2.0 0.00018154930000000003 0.6816 AML other m 2021-12-22T03:49:32.50
IV.SMA1.EHN. ML:1.1 0.000036618440000000004 1.04 AML other m 2021-12-22T03:49:35.95
IV.SMA1.EHE. ML:1.3 0.000054415575 1.3792 AML other m 2021-12-22T03:49:37.32
IV.SSFR.HNE. ML:1.8 0.00012691105 0.9408 AML other m 2021-12-22T03:49:46.51
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