Earthquake with magnitude of ML 0.7 on date 23-04-2022 and time 23:34:29 (Italy) in region 4 km SE Bolognola (MC)

A magnitude ML 0.7 earthquake occured in region: 4 km SE Bolognola (MC), on

  • 23-04-2022 21:34:29 (UTC)
  • 23-04-2022 23:34:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9620, 13.2570 at 17 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bolognola MC 4 142 142
Montefortino FM 7 1178 1320
Amandola FM 8 3629 4949
Montemonaco AP 9 604 5553
Sarnano MC 9 3264 8817
Ussita MC 10 444 9261
Acquacanina MC 10 121 9382
Castelsantangelo sul Nera MC 11 281 9663
Fiastra MC 12 559 10222
Comunanza AP 13 3166 13388
Gualdo MC 14 815 14203
Visso MC 14 1107 15310
Montegallo AP 15 523 15833
Fiordimonte MC 16 202 16035
Smerillo FM 16 365 16400
Cessapalombo MC 17 512 16912
Monte San Martino MC 17 765 17677
Montefalcone Appennino FM 17 424 18101
San Ginesio MC 17 3498 21599
Penna San Giovanni MC 17 1108 22707
Palmiano AP 18 196 22903
Pievebovigliana MC 18 866 23769
Camporotondo di Fiastrone MC 19 563 24332
Sant'Angelo in Pontano MC 19 1436 25768
Force AP 19 1354 27122
Pieve Torina MC 19 1458 28580
Preci PG 20 724 29304
Caldarola MC 20 1823 31127

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Foligno (57155 inhabitants)
50 Km NW of Teramo (54892 inhabitants)
67 Km NE of Terni (111501 inhabitants)
69 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
76 Km S of Ancona (100861 inhabitants)
88 Km NW of Montesilvano (53738 inhabitants)
96 Km NW of Pescara (121014 inhabitants)
100 Km S of Fano (60888 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 0.7 2022-04-23
21:34:29
42.9618 13.2572 17 2022-04-23
21:49:16
Sala Sismica INGV-Roma 103670421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-23 21:34:29 ± 0.14
Latitude 42.9618 ± 0.0036
Longitude 13.2572 ± 0.0074
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103670421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 87
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16548
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 103670421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-23 21:49:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2022-04-23T21:35:56.09 3.0 undecidable manual Pg 16.09 0
IV.MTMR.EHZ. 2022-04-23T21:35:52.21 3.0 undecidable manual Sn 1.98 0
IV.MMGO.HHZ. 2022-04-23T21:35:41.08 3.0 undecidable manual Pn -3.14 0
IV.LRP.EHZ. 2022-04-23T21:35:21.10 3.0 undecidable manual Sn -4.78 0
IV.SGG.HNZ. 2022-04-23T21:35:05.12 3.0 undecidable manual Pg 9.56 0
CR.STON.BHZ. 2022-04-23T21:35:01.22 3.0 undecidable manual Pn -1.42 0
ST.DOSS.HHZ. 2022-04-23T21:34:59.02 3.0 undecidable manual Sg 0.07 0
GU.CARD.HHZ. 2022-04-23T21:34:58.39 3.0 undecidable manual Sn -0.75 0
IV.MSSA.HHZ. 2022-04-23T21:34:48.46 3.0 undecidable manual Pg 4.77 0
IV.FOSV.EHZ. 2022-04-23T21:34:46.43 3.0 undecidable manual S 1.6 0
IV.NARO.HHZ. 2022-04-23T21:34:37.53 3.0 undecidable manual S -0.27 0
IV.FDMO.HHZ. 2022-04-23T21:34:36.14 0.1 undecidable manual S 301 16.0728 127 -0.23 96
IV.CSP1.EHZ. 2022-04-23T21:34:36.16 0.3 undecidable manual S 344 15.0738 130 0 74
IV.NRCA.HHZ. 2022-04-23T21:34:36.78 0.1 undecidable manual S 219 18.3705 122 -0.09 97
IV.MMO1.EHZ. 2022-04-23T21:34:35.02 0.1 undecidable manual S 141 8.9799 146 -0.04 100
IV.MC2.EHZ. 2022-04-23T21:34:35.18 0.3 undecidable manual S 225 7.881 150 0.27 72
7F.SIB3.EHE. 2022-04-23T21:34:34.98 0.1 undecidable manual S 174 9.6792 144 -0.2 96
IV.BDI.HHZ. 2022-04-23T21:34:33.66 3.0 undecidable manual Pn -0.24 0
IV.FDMO.HHZ. 2022-04-23T21:34:33.29 0.3 undecidable manual P 301 16.0728 127 0.03 74
IV.CSP1.EHZ. 2022-04-23T21:34:33.17 0.1 undecidable manual P 344 15.0738 130 0.04 98
IV.NRCA.HHZ. 2022-04-23T21:34:33.58 0.1 undecidable manual P 219 18.3705 122 0.03 99
IV.MMO1.EHZ. 2022-04-23T21:34:32.56 0.1 undecidable manual P 141 8.9799 146 0.06 100
IV.MC2.EHZ. 2022-04-23T21:34:32.69 0.3 undecidable manual P 225 7.881 150 0.28 72
7F.SIB3.EHE. 2022-04-23T21:34:32.58 0.3 undecidable manual P 174 9.6792 144 0.01 76
7F.SIB2.EHE. 2022-04-23T21:34:32.41 0.6 undecidable manual P 154 8.6802 147 -0.07 50
IV.ATCC.EHZ. 2022-04-23T21:34:28.42 3.0 undecidable manual P -0.31 0
IV.SEI.HHZ. 2022-04-23T21:34:23.26 3.0 undecidable manual P -3.57 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.6 0.00002265 0.14 AML other m 2022-04-23T21:34:36.89
IV.NRCA.HHE. ML:0.6 0.0000275 0.68 AML other m 2022-04-23T21:34:37.36
IV.MMO1.EHE. ML:0.4 0.000018017449999999998 0.1408 AML other m 2022-04-23T21:34:35.13
IV.MMO1.EHN. ML:0.5 0.000031049685 0.5376 AML other m 2022-04-23T21:34:35.10
IV.MC2.EHE. ML:0.7 0.000046050249999999985 0.128 AML other m 2022-04-23T21:34:35.34
IV.MC2.EHN. ML:0.9 0.00007331684999999999 0.1152 AML other m 2022-04-23T21:34:35.57
IV.CSP1.EHE. ML:0.9 0.000053014475 1.4848 AML other m 2022-04-23T21:34:36.24
IV.CSP1.EHN. ML:0.7 0.0000414225445 0.96 AML other m 2022-04-23T21:34:36.35
IV.NRCA.HNE. ML:1.0 0.00006829923 0.9472 AML other m 2022-04-23T21:34:36.89
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