Earthquake · Reviewed by USGS

M4.0 earthquake 9 km N of Santa María Chimalapa, Mexico

A magnitude 4.0 earthquake struck 9 km N of Santa María Chimalapa, Mexico at Aug 20, 2025, 17:01 UTC, at a depth of 115 km. The epicentre was 39 km (24 mi) ENE of Matias Romero Avendano.

Details

Magnitude	4.0 mb
Time	Aug 20, 2025, 17:01 UTC
Depth	115.4 km
Coordinates	16.994, -94.697
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.2	31 km ENE of La Horqueta (Poblado Doce), Mexico	89 km / 56 mi	depth 197 km	Sep 30, 04:06 UTC
4.1	8 km NE of Santa María Guenagati, Mexico	68 km / 42 mi	depth 85 km	Sep 26, 04:10 UTC
4.1	3 km SE of El Chocolate, Mexico	41 km / 26 mi	depth 93 km	Sep 23, 21:29 UTC
4.8	14 km SE of Hidalgotitlán, Mexico	79 km / 49 mi	depth 144 km	Sep 3, 11:33 UTC
4.1	14 km ENE of Suchilapan del Río, Mexico	53 km / 33 mi	depth 130 km	Aug 26, 20:10 UTC
4.6	29 km NE of Niños Héroes, Mexico	83 km / 51 mi	depth 177 km	Aug 19, 20:06 UTC
4.3	15 km NNE of Niños Héroes, Mexico	69 km / 43 mi	depth 172 km	Jul 26, 20:16 UTC
4.5	26 km SSW of Las Choapas, Mexico	94 km / 58 mi	depth 184 km	Jul 24, 17:33 UTC
4.4	9 km N of Santo Domingo Chihuitán, Mexico	62 km / 39 mi	depth 91 km	Jul 18, 13:14 UTC
4.2	27 km N of Santo Domingo Zanatepec, Mexico	45 km / 28 mi	depth 114 km	Jun 17, 15:32 UTC
4.4	11 km WNW of Santa María Chimalapa, Mexico	9 km / 6 mi	depth 94 km	May 8, 17:44 UTC
4.3	3 km SW of El Espinal, Mexico	71 km / 44 mi	depth 51 km	Apr 1, 14:02 UTC
4.3	28 km S of Cuichapa, Mexico	87 km / 54 mi	depth 168 km	Feb 21, 07:33 UTC
4.3	5 km W of Francisco I. Madero, Mexico	97 km / 60 mi	depth 155 km	Feb 5, 09:52 UTC
4.3	3 km N of El Porvenir, Mexico	82 km / 51 mi	depth 139 km	Dec 7, 03:36 UTC
4.3	8 km E of El Bajío, Mexico	30 km / 18 mi	depth 101 km	Dec 6, 10:48 UTC
4.2	20 km NE of San Juan Mazatlán, Mexico	67 km / 42 mi	depth 67 km	Nov 27, 08:54 UTC
4.3	15 km NE of Jesús Carranza, Mexico	63 km / 39 mi	depth 135 km	Nov 13, 23:20 UTC
4.5	30 km SW of La Horqueta (Poblado Doce), Mexico	34 km / 21 mi	depth 118 km	Nov 9, 07:06 UTC
4.7	9 km NNE of Helio García Alfaro, Mexico	61 km / 38 mi	depth 170 km	Nov 6, 12:13 UTC
4.5	4 km WNW of Francisco I. Madero, Mexico	98 km / 61 mi	depth 166 km	Nov 1, 17:42 UTC
4.8	6 km E of Cuauhtémoc, Mexico	18 km / 11 mi	depth 131 km	Oct 12, 02:26 UTC
4.3	10 km NNE of Santo Domingo Zanatepec, Mexico	63 km / 39 mi	depth 111 km	Sep 30, 03:55 UTC
4.7	27 km S of Cuichapa, Mexico	89 km / 56 mi	depth 183 km	Sep 25, 21:11 UTC
4.5	6 km NW of Santa Rosa, Mexico	85 km / 53 mi	depth 53 km	Sep 15, 12:36 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.